diff --git a/apps/trading/e2e/tests/deal_ticket/test_basic_submit.py b/apps/trading/e2e/tests/deal_ticket/test_basic_submit.py
index b3bbbd1af..2f437a9f5 100644
--- a/apps/trading/e2e/tests/deal_ticket/test_basic_submit.py
+++ b/apps/trading/e2e/tests/deal_ticket/test_basic_submit.py
@@ -1,6 +1,6 @@
 import pytest
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from datetime import datetime, timedelta
 from conftest import init_vega
 from fixtures.market import setup_continuous_market
@@ -24,7 +24,7 @@ def continuous_market(vega):
     return setup_continuous_market(vega)
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
-def test_limit_buy_order_GTT(continuous_market, vega: VegaService, page: Page):
+def test_limit_buy_order_GTT(continuous_market, vega: VegaServiceNull, page: Page):
     page.goto(f"/#/markets/{continuous_market}")
     page.get_by_test_id(tif).select_option("Good 'til Time (GTT)")
     page.get_by_test_id(order_size).fill("10")
@@ -52,7 +52,7 @@ def test_limit_buy_order_GTT(continuous_market, vega: VegaService, page: Page):
     )
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
-def test_limit_buy_order(continuous_market, vega: VegaService, page: Page):
+def test_limit_buy_order(continuous_market, vega: VegaServiceNull, page: Page):
     page.goto(f"/#/markets/{continuous_market}")
     
     page.get_by_test_id(order_size).fill("10")
@@ -69,7 +69,7 @@ def test_limit_buy_order(continuous_market, vega: VegaService, page: Page):
     )
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
-def test_limit_sell_order(continuous_market, vega: VegaService, page: Page):
+def test_limit_sell_order(continuous_market, vega: VegaServiceNull, page: Page):
     page.goto(f"/#/markets/{continuous_market}")
     page.get_by_test_id(order_size).fill("10")
     page.get_by_test_id(order_price).fill("100")
@@ -93,7 +93,7 @@ def test_limit_sell_order(continuous_market, vega: VegaService, page: Page):
     )
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
-def test_market_sell_order(continuous_market, vega: VegaService, page: Page):
+def test_market_sell_order(continuous_market, vega: VegaServiceNull, page: Page):
     page.goto(f"/#/markets/{continuous_market}")
     page.get_by_test_id(market_order).click()
     page.get_by_test_id(order_size).fill("10")
@@ -117,7 +117,7 @@ def test_market_sell_order(continuous_market, vega: VegaService, page: Page):
     )
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
-def test_market_buy_order(continuous_market, vega: VegaService, page: Page):
+def test_market_buy_order(continuous_market, vega: VegaServiceNull, page: Page):
     page.goto(f"/#/markets/{continuous_market}")
     page.get_by_test_id(market_order).click()
     page.get_by_test_id(order_size).fill("10")
diff --git a/apps/trading/e2e/tests/deal_ticket/test_fees_margin_estimations.py b/apps/trading/e2e/tests/deal_ticket/test_fees_margin_estimations.py
index 999f761f5..cd366048d 100644
--- a/apps/trading/e2e/tests/deal_ticket/test_fees_margin_estimations.py
+++ b/apps/trading/e2e/tests/deal_ticket/test_fees_margin_estimations.py
@@ -1,6 +1,6 @@
 import pytest
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from actions.vega import submit_order
 from actions.utils import wait_for_toast_confirmation
 
@@ -13,7 +13,7 @@ market_trading_mode = "market-trading-mode"
 
 @pytest.mark.skip("tbd")
 @pytest.mark.usefixtures("auth", "risk_accepted")
-def test_margin_and_fees_estimations(continuous_market, vega: VegaService, page: Page):
+def test_margin_and_fees_estimations(continuous_market, vega: VegaServiceNull, page: Page):
     # setup continuous trading market with one user buy trade
     market_id = continuous_market
     page.goto(f"/#/markets/{market_id}")
diff --git a/apps/trading/e2e/tests/deal_ticket/test_stop_order.py b/apps/trading/e2e/tests/deal_ticket/test_stop_order.py
index d8d0b1b17..d4d965282 100644
--- a/apps/trading/e2e/tests/deal_ticket/test_stop_order.py
+++ b/apps/trading/e2e/tests/deal_ticket/test_stop_order.py
@@ -1,6 +1,6 @@
 import pytest
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from actions.vega import submit_order
 from datetime import datetime, timedelta
 from conftest import init_vega
@@ -38,7 +38,7 @@ timeInForce_col = '[col-id="submission.timeInForce"]'
 updatedAt_col = '[col-id="updatedAt"]'
 close_toast = "toast-close"
 
-def create_position(vega: VegaService, market_id):
+def create_position(vega: VegaServiceNull, market_id):
     submit_order(vega, "Key 1", market_id, "SIDE_SELL", 100, 110)
     submit_order(vega, "Key 1", market_id, "SIDE_BUY", 100, 110)
     vega.forward("10s")
@@ -69,7 +69,7 @@ def test_stop_order_form_error_validation(continuous_market, page: Page):
 
 @pytest.mark.skip("core issue")
 @pytest.mark.usefixtures("auth", "risk_accepted")
-def test_submit_stop_order_rejected(continuous_market, vega: VegaService, page: Page):
+def test_submit_stop_order_rejected(continuous_market, vega: VegaServiceNull, page: Page):
     page.goto(f"/#/markets/{continuous_market}")
     page.get_by_test_id(stop_orders_tab).click()
     page.get_by_test_id(stop_order_btn).click()
@@ -108,7 +108,7 @@ def test_submit_stop_order_rejected(continuous_market, vega: VegaService, page:
 @pytest.mark.skip("core issue")
 @pytest.mark.usefixtures("auth", "risk_accepted")
 def test_submit_stop_market_order_triggered(
-    continuous_market, vega: VegaService, page: Page
+    continuous_market, vega: VegaServiceNull, page: Page
 ):
     # 7002-SORD-071
     # 7002-SORD-074
@@ -166,7 +166,7 @@ def test_submit_stop_market_order_triggered(
 @pytest.mark.skip("core issue")
 @pytest.mark.usefixtures("auth", "risk_accepted")
 def test_submit_stop_limit_order_pending(
-    continuous_market, vega: VegaService, page: Page
+    continuous_market, vega: VegaServiceNull, page: Page
 ):
     # 7002-SORD-071
     # 7002-SORD-074
@@ -227,7 +227,7 @@ def test_submit_stop_limit_order_pending(
 @pytest.mark.skip("core issue")
 @pytest.mark.usefixtures("auth", "risk_accepted")
 def test_submit_stop_limit_order_cancel(
-    continuous_market, vega: VegaService, page: Page
+    continuous_market, vega: VegaServiceNull, page: Page
 ):
     page.goto(f"/#/markets/{continuous_market}")
     page.get_by_test_id(stop_orders_tab).click()
@@ -348,7 +348,7 @@ class TestStopOcoValidation:
     @pytest.mark.skip("core issue")
     @pytest.mark.usefixtures("auth", "risk_accepted")
     def test_maximum_number_of_active_stop_orders(
-        self, continuous_market, vega: VegaService, page: Page
+        self, continuous_market, vega: VegaServiceNull, page: Page
     ):
         page.goto(f"/#/markets/{continuous_market}")
         page.get_by_test_id(stop_orders_tab).click()
diff --git a/apps/trading/e2e/tests/deal_ticket/test_stop_order_oco.py b/apps/trading/e2e/tests/deal_ticket/test_stop_order_oco.py
index e3916d748..b4498001c 100644
--- a/apps/trading/e2e/tests/deal_ticket/test_stop_order_oco.py
+++ b/apps/trading/e2e/tests/deal_ticket/test_stop_order_oco.py
@@ -1,6 +1,6 @@
 import pytest
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from actions.vega import submit_order
 from actions.utils import wait_for_toast_confirmation
 
@@ -42,7 +42,7 @@ trigger_price_oco = "triggerPrice-oco"
 order_size_oco = "order-size-oco"
 order_limit_price_oco = "order-price-oco"
 
-def create_position(vega: VegaService, market_id):
+def create_position(vega: VegaServiceNull, market_id):
     submit_order(vega, "Key 1", market_id, "SIDE_SELL", 100, 110)
     submit_order(vega, "Key 1", market_id, "SIDE_BUY", 100, 110)
     vega.wait_fn(1)
@@ -51,7 +51,7 @@ def create_position(vega: VegaService, market_id):
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
 def test_submit_stop_order_market_oco_rejected(
-    continuous_market, vega: VegaService, page: Page
+    continuous_market, vega: VegaServiceNull, page: Page
 ):
     page.goto(f"/#/markets/{continuous_market}")
     page.get_by_test_id(stop_orders_tab).click()
@@ -128,7 +128,7 @@ def test_submit_stop_order_market_oco_rejected(
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
 def test_submit_stop_oco_market_order_triggered(
-    continuous_market, vega: VegaService, page: Page
+    continuous_market, vega: VegaServiceNull, page: Page
 ):
     create_position(vega, continuous_market)
     page.goto(f"/#/markets/{continuous_market}")
@@ -205,7 +205,7 @@ def test_submit_stop_oco_market_order_triggered(
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
 def test_submit_stop_oco_market_order_pending(
-    continuous_market, vega: VegaService, page: Page
+    continuous_market, vega: VegaServiceNull, page: Page
 ):  
     create_position(vega, continuous_market)
     page.goto(f"/#/markets/{continuous_market}")
@@ -237,7 +237,7 @@ def test_submit_stop_oco_market_order_pending(
 
 @pytest.mark.usefixtures("page", "continuous_market", "auth", "risk_accepted")
 def test_submit_stop_oco_limit_order_pending(
-    continuous_market, vega: VegaService, page: Page
+    continuous_market, vega: VegaServiceNull, page: Page
 ):
     create_position(vega, continuous_market)
     page.goto(f"/#/markets/{continuous_market}")
@@ -288,7 +288,7 @@ def test_submit_stop_oco_limit_order_pending(
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
 def test_submit_stop_oco_limit_order_cancel(
-    continuous_market, vega: VegaService, page: Page
+    continuous_market, vega: VegaServiceNull, page: Page
 ):
     create_position(vega, continuous_market)
     page.goto(f"/#/markets/{continuous_market}")
diff --git a/apps/trading/e2e/tests/deal_ticket/test_trading_deal_ticket_submit_account.py b/apps/trading/e2e/tests/deal_ticket/test_trading_deal_ticket_submit_account.py
index 44a2b1e84..24b47fdf8 100644
--- a/apps/trading/e2e/tests/deal_ticket/test_trading_deal_ticket_submit_account.py
+++ b/apps/trading/e2e/tests/deal_ticket/test_trading_deal_ticket_submit_account.py
@@ -1,6 +1,6 @@
 import pytest
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from actions.utils import change_keys
 from conftest import init_vega
 from fixtures.market import setup_continuous_market
@@ -33,7 +33,7 @@ def test_should_display_info_and_button_for_deposit(continuous_market, page: Pag
     expect(page.get_by_test_id("sidebar-content")).to_contain_text("DepositFrom")
     
 @pytest.mark.usefixtures("auth", "risk_accepted")
-def test_should_show_an_error_if_your_balance_is_zero(continuous_market, vega: VegaService, page: Page):
+def test_should_show_an_error_if_your_balance_is_zero(continuous_market, vega: VegaServiceNull, page: Page):
     page.goto(f"/#/markets/{continuous_market}")
     vega.create_key("key_empty")
     change_keys(page, vega, "key_empty")
diff --git a/apps/trading/e2e/tests/fees/test_fees.py b/apps/trading/e2e/tests/fees/test_fees.py
index 8b25b0d72..4ff73a0e4 100644
--- a/apps/trading/e2e/tests/fees/test_fees.py
+++ b/apps/trading/e2e/tests/fees/test_fees.py
@@ -1,7 +1,7 @@
 import pytest
 
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from actions.vega import submit_order
 from wallet_config import MM_WALLET
 from conftest import init_vega, init_page, auth_setup
@@ -143,7 +143,7 @@ def auth(vega_instance, page):
     return auth_setup(vega_instance, page)
 
 
-def setup_market_with_volume_discount_program(vega: VegaService, tier: int):
+def setup_market_with_volume_discount_program(vega: VegaServiceNull, tier: int):
     market = setup_continuous_market(vega, custom_quantum=100000)
     vega.update_volume_discount_program(
         proposal_key=MM_WALLET.name,
@@ -169,7 +169,7 @@ def setup_market_with_volume_discount_program(vega: VegaService, tier: int):
     return market
 
 
-def setup_market_with_referral_discount_program(vega: VegaService, tier: int):
+def setup_market_with_referral_discount_program(vega: VegaServiceNull, tier: int):
     market = setup_continuous_market(vega, custom_quantum=100000)
     vega.update_referral_program(
         proposal_key=MM_WALLET.name,
@@ -208,7 +208,7 @@ def setup_market_with_referral_discount_program(vega: VegaService, tier: int):
     return market
 
 
-def setup_combined_market(vega: VegaService):
+def setup_combined_market(vega: VegaServiceNull):
     market = setup_continuous_market(vega, custom_quantum=100000)
     vega.update_volume_discount_program(
         proposal_key=MM_WALLET.name,
diff --git a/apps/trading/e2e/tests/get_started/test_get_started.py b/apps/trading/e2e/tests/get_started/test_get_started.py
index 595c9aacd..5df3fc8f3 100644
--- a/apps/trading/e2e/tests/get_started/test_get_started.py
+++ b/apps/trading/e2e/tests/get_started/test_get_started.py
@@ -1,7 +1,7 @@
 import pytest
 from playwright.sync_api import expect, Page
 import json
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from fixtures.market import setup_simple_market
 from conftest import init_vega
 from actions.vega import submit_order
@@ -16,11 +16,11 @@ def vega():
         yield vega
 
 @pytest.fixture(scope="class")
-def simple_market(vega: VegaService):
+def simple_market(vega: VegaServiceNull):
     return setup_simple_market(vega)
 
 class TestGetStarted:
-    def test_get_started_interactive(self, vega: VegaService, page: Page):
+    def test_get_started_interactive(self, vega: VegaServiceNull, page: Page):
         page.goto("/")
         # 0007-FUGS-001
         expect(page.get_by_test_id("order-connect-wallet")).to_be_visible
@@ -166,7 +166,7 @@ class TestGetStarted:
         page.wait_for_selector('[data-testid="sidebar-content"]', state="visible")
         expect(page.get_by_test_id("get-started-banner")).not_to_be_visible()
 
-    def test_redirect_default_market(self, continuous_market, vega: VegaService, page: Page):
+    def test_redirect_default_market(self, continuous_market, vega: VegaServiceNull, page: Page):
         page.goto("/")
         # 0007-FUGS-012
         expect(page).to_have_url(
@@ -177,7 +177,7 @@ class TestGetStarted:
         expect(page.get_by_test_id("welcome-dialog")).not_to_be_visible()
 
 class TestBrowseAll: 
-    def test_get_started_browse_all(self, simple_market, vega: VegaService, page: Page):
+    def test_get_started_browse_all(self, simple_market, vega: VegaServiceNull, page: Page):
         page.goto("/")
         print(simple_market)
         page.get_by_test_id("browse-markets-button").click()
diff --git a/apps/trading/e2e/tests/iceberg_orders/test_iceberg_orders.py b/apps/trading/e2e/tests/iceberg_orders/test_iceberg_orders.py
index 139e14986..ed3ab6a88 100644
--- a/apps/trading/e2e/tests/iceberg_orders/test_iceberg_orders.py
+++ b/apps/trading/e2e/tests/iceberg_orders/test_iceberg_orders.py
@@ -1,6 +1,6 @@
 import pytest
 from playwright.sync_api import expect, Page
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from actions.vega import submit_order
 from conftest import init_vega
 from fixtures.market import setup_continuous_market
@@ -22,7 +22,7 @@ class TestIcebergOrdersValidations:
         return setup_continuous_market(vega)
 
     @pytest.mark.usefixtures("auth", "risk_accepted")
-    def test_iceberg_submit(self, continuous_market, vega: VegaService, page: Page):
+    def test_iceberg_submit(self, continuous_market, vega: VegaServiceNull, page: Page):
         page.goto(f"/#/markets/{continuous_market}")
         page.get_by_test_id("iceberg").click()
         page.get_by_test_id("order-peak-size").type("2")
@@ -47,7 +47,7 @@ class TestIcebergOrdersValidations:
         ).to_have_text("Limit (Iceberg)")
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
-def test_iceberg_open_order(continuous_market, vega: VegaService, page: Page):
+def test_iceberg_open_order(continuous_market, vega: VegaServiceNull, page: Page):
     page.goto(f"/#/markets/{continuous_market}")
 
     submit_order(vega, "Key 1", continuous_market, "SIDE_SELL", 102, 101, 2, 1)
diff --git a/apps/trading/e2e/tests/liquidity_provision/test_liquidity_provision.py b/apps/trading/e2e/tests/liquidity_provision/test_liquidity_provision.py
index 77e145c86..a2381e3df 100644
--- a/apps/trading/e2e/tests/liquidity_provision/test_liquidity_provision.py
+++ b/apps/trading/e2e/tests/liquidity_provision/test_liquidity_provision.py
@@ -1,6 +1,6 @@
 import pytest
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from conftest import init_vega
 from fixtures.market import setup_continuous_market
 from actions.utils import next_epoch, truncate_middle, change_keys
@@ -18,7 +18,7 @@ def continuous_market(vega):
 
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
-def test_liquidity_provision_amendment(continuous_market, vega: VegaService, page: Page):
+def test_liquidity_provision_amendment(continuous_market, vega: VegaServiceNull, page: Page):
     # TODO Refactor asserting the grid
     page.goto(f"/#/liquidity/{continuous_market}")
     change_keys(page, vega, "market_maker")
@@ -77,7 +77,7 @@ def test_liquidity_provision_amendment(continuous_market, vega: VegaService, pag
 
 @pytest.mark.skip("Waiting for the ability to cancel LP")
 @pytest.mark.usefixtures("auth", "risk_accepted")
-def test_liquidity_provision_inactive(continuous_market, vega: VegaService, page: Page):
+def test_liquidity_provision_inactive(continuous_market, vega: VegaServiceNull, page: Page):
     # TODO Refactor asserting the grid
     page.goto(f"/#/liquidity/{continuous_market}")
     change_keys(page, vega, "market_maker")
diff --git a/apps/trading/e2e/tests/market/test_closed_markets.py b/apps/trading/e2e/tests/market/test_closed_markets.py
index 05e7ac06b..670efacbf 100644
--- a/apps/trading/e2e/tests/market/test_closed_markets.py
+++ b/apps/trading/e2e/tests/market/test_closed_markets.py
@@ -1,7 +1,7 @@
 import pytest
 import re
 import vega_sim.api.governance as governance
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from playwright.sync_api import Page, expect
 from fixtures.market import setup_continuous_market
 from conftest import init_vega
@@ -14,7 +14,7 @@ def vega():
 
 
 @pytest.fixture(scope="class")
-def create_settled_market(vega: VegaService):
+def create_settled_market(vega: VegaServiceNull):
     market_id = setup_continuous_market(vega)
     vega.submit_termination_and_settlement_data(
         settlement_key="FJMKnwfZdd48C8NqvYrG",
@@ -115,7 +115,7 @@ class TestSettledMarket:
 
 
 @pytest.mark.usefixtures("risk_accepted", "auth")
-def test_terminated_market_no_settlement_date(page: Page, vega: VegaService):
+def test_terminated_market_no_settlement_date(page: Page, vega: VegaServiceNull):
     setup_continuous_market(vega)
     print("I have started test_terminated_market_no_settlement_date")
     governance.submit_oracle_data(
diff --git a/apps/trading/e2e/tests/market/test_market.py b/apps/trading/e2e/tests/market/test_market.py
index 291e42aab..cf4c8f645 100644
--- a/apps/trading/e2e/tests/market/test_market.py
+++ b/apps/trading/e2e/tests/market/test_market.py
@@ -1,6 +1,6 @@
 import pytest
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from actions.vega import submit_order
 from actions.utils import change_keys
 from wallet_config import MM_WALLET, MM_WALLET2
@@ -32,7 +32,7 @@ market_name = "BTC:DAI_2023"
 
 
 @pytest.mark.usefixtures("risk_accepted", "auth")
-def test_price_monitoring(simple_market, vega: VegaService, page: Page):
+def test_price_monitoring(simple_market, vega: VegaServiceNull, page: Page):
     page.goto(f"/#/markets/all")
     expect(page.locator(table_row_selector).locator(trading_mode_col)).to_have_text(
         "Opening auction"
@@ -202,7 +202,7 @@ COL_ID_FEE = ".ag-center-cols-container [col-id='fee'] .ag-cell-value"
 
 
 @pytest.mark.usefixtures("risk_accepted", "auth")
-def test_auction_uncross_fees(continuous_market, vega: VegaService, page: Page):
+def test_auction_uncross_fees(continuous_market, vega: VegaServiceNull, page: Page):
     page.goto(f"/#/markets/{continuous_market}")
     page.get_by_test_id("Fills").click()
     expect(page.locator(COL_ID_FEE)).to_have_text("0.00 tDAI")
diff --git a/apps/trading/e2e/tests/market/test_market_info.py b/apps/trading/e2e/tests/market/test_market_info.py
index d943b459a..52960509a 100644
--- a/apps/trading/e2e/tests/market/test_market_info.py
+++ b/apps/trading/e2e/tests/market/test_market_info.py
@@ -1,7 +1,7 @@
 import re
 import pytest
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from fixtures.market import setup_continuous_market
 from conftest import init_page, init_vega, risk_accepted_setup
 
@@ -88,7 +88,7 @@ def test_market_info_insurance_pool(page: Page):
     validate_info_section(page, fields)
 
 
-def test_market_info_key_details(page: Page, vega: VegaService):
+def test_market_info_key_details(page: Page, vega: VegaServiceNull):
     # 6002-MDET-201
     page.get_by_test_id(market_title_test_id).get_by_text("Key details").click()
     market_id = vega.find_market_id("BTC:DAI_2023")
@@ -136,7 +136,7 @@ def test_market_info_oracle(page: Page):
     # )
 
 
-def test_market_info_settlement_asset(page: Page, vega: VegaService):
+def test_market_info_settlement_asset(page: Page, vega: VegaServiceNull):
     # 6002-MDET-206
     page.get_by_test_id(market_title_test_id).get_by_text("Settlement asset").click()
     tdai_id = vega.find_asset_id("tDAI")
@@ -260,7 +260,7 @@ def test_market_info_liquidity_price_range(page: Page):
     validate_info_section(page, fields)
 
 
-def test_market_info_proposal(page: Page, vega: VegaService):
+def test_market_info_proposal(page: Page, vega: VegaServiceNull):
     # 6002-MDET-301
     page.get_by_test_id(market_title_test_id).get_by_text("Proposal").click()
     first_link = (
@@ -280,8 +280,9 @@ def test_market_info_proposal(page: Page, vega: VegaService):
         "href", re.compile(r"(\/proposals\/propose\/update-market)")
     )
 
+    
 @pytest.mark.skip("tbd-market-sim")
-def test_market_info_succession_line(page: Page, vega: VegaService):
+def test_market_info_succession_line(page: Page, vega: VegaServiceNull):
     page.get_by_test_id(market_title_test_id).get_by_text("Succession line").click()
     market_id = vega.find_market_id("BTC:DAI_2023")
     succession_line = page.get_by_test_id("succession-line-item")
diff --git a/apps/trading/e2e/tests/market/test_markets_proposed.py b/apps/trading/e2e/tests/market/test_markets_proposed.py
index bbdd4f68e..ca8e4464d 100644
--- a/apps/trading/e2e/tests/market/test_markets_proposed.py
+++ b/apps/trading/e2e/tests/market/test_markets_proposed.py
@@ -2,7 +2,7 @@ import pytest
 import vega_sim.api.governance as governance
 import re
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from conftest import init_vega
 from fixtures.market import setup_simple_market
 from wallet_config import MM_WALLET
@@ -18,7 +18,7 @@ def vega(request):
 
 
 @pytest.fixture(scope="module")
-def proposed_market(vega: VegaService):
+def proposed_market(vega: VegaServiceNull):
     # setup market without liquidity provided
     market_id = setup_simple_market(vega, approve_proposal=False)
     # approve market
diff --git a/apps/trading/e2e/tests/market/test_monitoring_auction_price_volatility_market.py b/apps/trading/e2e/tests/market/test_monitoring_auction_price_volatility_market.py
index d40d53b76..5a6cf32c4 100644
--- a/apps/trading/e2e/tests/market/test_monitoring_auction_price_volatility_market.py
+++ b/apps/trading/e2e/tests/market/test_monitoring_auction_price_volatility_market.py
@@ -1,6 +1,6 @@
 import pytest
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from actions.vega import submit_order
 from fixtures.market import setup_simple_market
 from conftest import init_vega
@@ -20,7 +20,7 @@ def simple_market(vega):
 
 
 @pytest.fixture(scope="module")
-def setup_market_monitoring_auction(vega: VegaService, simple_market):
+def setup_market_monitoring_auction(vega: VegaServiceNull, simple_market):
     vega.submit_liquidity(
         key_name=MM_WALLET.name,
         market_id=simple_market,
@@ -82,7 +82,7 @@ def setup_market_monitoring_auction(vega: VegaService, simple_market):
 
 @pytest.mark.usefixtures("risk_accepted", "auth", "setup_market_monitoring_auction")
 def test_market_monitoring_auction_price_volatility_limit_order(
-    page: Page, simple_market, vega: VegaService
+    page: Page, simple_market, vega: VegaServiceNull
 ):
     page.goto(f"/#/markets/{simple_market}")
     page.get_by_test_id("order-size").clear()
diff --git a/apps/trading/e2e/tests/market_lifecycle/test_market_lifecycle.py b/apps/trading/e2e/tests/market_lifecycle/test_market_lifecycle.py
index 714c6c08e..a0355e43f 100644
--- a/apps/trading/e2e/tests/market_lifecycle/test_market_lifecycle.py
+++ b/apps/trading/e2e/tests/market_lifecycle/test_market_lifecycle.py
@@ -2,7 +2,8 @@ import pytest
 import re
 import vega_sim.api.governance as governance
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService, PeggedOrder
+from vega_sim.null_service import VegaServiceNull
+from vega_sim.service import PeggedOrder
 import vega_sim.api.governance as governance
 from actions.vega import submit_order
 from actions.utils import next_epoch
@@ -10,7 +11,7 @@ from wallet_config import MM_WALLET, MM_WALLET2, GOVERNANCE_WALLET
 
 
 @pytest.mark.usefixtures("risk_accepted")
-def test_market_lifecycle(proposed_market, vega: VegaService, page: Page):
+def test_market_lifecycle(proposed_market, vega: VegaServiceNull, page: Page):
     # 7002-SORD-001
     # 7002-SORD-002
     trading_mode = page.get_by_test_id("market-trading-mode").get_by_test_id(
diff --git a/apps/trading/e2e/tests/order/test_order_details.py b/apps/trading/e2e/tests/order/test_order_details.py
index 5ad6b7b0b..3ff4a7898 100644
--- a/apps/trading/e2e/tests/order/test_order_details.py
+++ b/apps/trading/e2e/tests/order/test_order_details.py
@@ -1,7 +1,7 @@
 import pytest
 import re
 from playwright.sync_api import expect, Page
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from actions.vega import submit_order
 
 order_details = [
@@ -52,7 +52,7 @@ def verify_order_value(
 @pytest.mark.skip("tbd")
 @pytest.mark.usefixtures("auth", "risk_accepted")
 def test_order_details_are_correctly_displayed(
-    continuous_market, vega: VegaService, page: Page
+    continuous_market, vega: VegaServiceNull, page: Page
 ):
     page.goto(f"/#/markets/{continuous_market}")
     submit_order(vega, "Key 1", vega.all_markets()[0].id, "SIDE_SELL", 102, 101, 2, 1)
diff --git a/apps/trading/e2e/tests/order/test_order_match.py b/apps/trading/e2e/tests/order/test_order_match.py
index 61b64f9aa..bfb3f35d4 100644
--- a/apps/trading/e2e/tests/order/test_order_match.py
+++ b/apps/trading/e2e/tests/order/test_order_match.py
@@ -2,7 +2,7 @@ import pytest
 import re
 import logging
 from playwright.sync_api import expect, Page
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from playwright.sync_api import expect
 from actions.vega import submit_order
 
@@ -38,7 +38,7 @@ def verify_data_grid(page: Page, data_test_id, expected_pattern):
                 raise AssertionError(f"Pattern does not match: {expected} != {actual}")
 
 
-def submit_order(vega: VegaService, wallet_name, market_id, side, volume, price):
+def submit_order(vega: VegaServiceNull, wallet_name, market_id, side, volume, price):
     vega.submit_order(
         trading_key=wallet_name,
         market_id=market_id,
@@ -52,7 +52,7 @@ def submit_order(vega: VegaService, wallet_name, market_id, side, volume, price)
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
 def test_limit_order_trade_open_order(
-    opening_auction_market, vega: VegaService, page: Page
+    opening_auction_market, vega: VegaServiceNull, page: Page
 ):
     market_id = opening_auction_market
     submit_order(vega, "Key 1", market_id, "SIDE_BUY", 1, 110)
diff --git a/apps/trading/e2e/tests/order/test_order_status.py b/apps/trading/e2e/tests/order/test_order_status.py
index 2487c5fe4..f8f9bfc07 100644
--- a/apps/trading/e2e/tests/order/test_order_status.py
+++ b/apps/trading/e2e/tests/order/test_order_status.py
@@ -1,6 +1,7 @@
 import pytest
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService, PeggedOrder
+from vega_sim.service import PeggedOrder
+from vega_sim.null_service import VegaServiceNull
 from conftest import auth_setup, init_page, init_vega, risk_accepted_setup
 from fixtures.market import setup_continuous_market, setup_simple_market
 from actions.utils import wait_for_toast_confirmation
@@ -15,7 +16,7 @@ def vega(request):
 
 
 @pytest.fixture(scope="module", autouse=True)
-def markets(vega: VegaService):
+def markets(vega: VegaServiceNull):
     market_1 = setup_continuous_market(
         vega,
         custom_market_name="market-1",
@@ -357,7 +358,7 @@ def test_order_status_pegged_mid(page: Page):
     )
 
 
-def test_order_amend_order(vega: VegaService, page: Page):
+def test_order_amend_order(vega: VegaServiceNull, page: Page):
     #  7002-SORD-053
     #  7003-MORD-012
     #  7003-MORD-014
@@ -377,7 +378,7 @@ def test_order_amend_order(vega: VegaService, page: Page):
     )
 
 
-def test_order_cancel_single_order(vega: VegaService, page: Page):
+def test_order_cancel_single_order(vega: VegaServiceNull, page: Page):
     #  7003-MORD-009
     #  7003-MORD-010
     #  7003-MORD-011
@@ -394,7 +395,7 @@ def test_order_cancel_single_order(vega: VegaService, page: Page):
     )
 
 
-def test_order_cancel_all_orders(vega: VegaService, page: Page):
+def test_order_cancel_all_orders(vega: VegaServiceNull, page: Page):
     #  7003-MORD-009
     #  7003-MORD-010
     #  7003-MORD-011
diff --git a/apps/trading/e2e/tests/perpetual_market/test_perpetuals.py b/apps/trading/e2e/tests/perpetual_market/test_perpetuals.py
index 03d498fd6..c84104b10 100644
--- a/apps/trading/e2e/tests/perpetual_market/test_perpetuals.py
+++ b/apps/trading/e2e/tests/perpetual_market/test_perpetuals.py
@@ -1,7 +1,7 @@
 import pytest
 import re
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from vega_sim.service import MarketStateUpdateType
 from datetime import datetime, timedelta
 from conftest import init_vega
@@ -21,7 +21,7 @@ class TestPerpetuals:
             yield vega
 
     @pytest.fixture(scope="class")
-    def perps_market(self, vega: VegaService):
+    def perps_market(self, vega: VegaServiceNull):
         perps_market = setup_perps_market(vega)
         submit_multiple_orders(
             vega, MM_WALLET.name, perps_market, "SIDE_SELL", [[1, 110], [1, 105]]
@@ -96,7 +96,7 @@ class TestPerpetuals:
 
 
 @pytest.mark.usefixtures("risk_accepted", "auth")
-def test_perps_market_termination_proposed(page: Page, vega: VegaService):
+def test_perps_market_termination_proposed(page: Page, vega: VegaServiceNull):
     perpetual_market = setup_perps_market(vega)
     page.goto(f"/#/markets/{perpetual_market}")
     vega.update_market_state(
@@ -124,7 +124,7 @@ def test_perps_market_termination_proposed(page: Page, vega: VegaService):
 
 
 @pytest.mark.usefixtures("risk_accepted", "auth")
-def test_perps_market_terminated(page: Page, vega: VegaService):
+def test_perps_market_terminated(page: Page, vega: VegaServiceNull):
     perpetual_market = setup_perps_market(vega)
     vega.update_market_state(
         proposal_key=MM_WALLET.name,
diff --git a/apps/trading/e2e/tests/pnl/test_pnl.py b/apps/trading/e2e/tests/pnl/test_pnl.py
index 09b5d129b..d8679c414 100644
--- a/apps/trading/e2e/tests/pnl/test_pnl.py
+++ b/apps/trading/e2e/tests/pnl/test_pnl.py
@@ -1,6 +1,6 @@
 import pytest
 from playwright.sync_api import Page
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from actions.vega import submit_order
 from actions.utils import change_keys
 
@@ -13,7 +13,7 @@ def check_pnl_color_value(element, expected_color, expected_value):
 
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
-def test_pnl(continuous_market, vega: VegaService, page: Page):
+def test_pnl(continuous_market, vega: VegaServiceNull, page: Page):
     page.set_viewport_size({"width": 1748, "height": 977})
     submit_order(vega, "Key 1", continuous_market, "SIDE_BUY", 1, 104.50000)
     vega.wait_fn(1)
diff --git a/apps/trading/e2e/tests/positions/test_collateral.py b/apps/trading/e2e/tests/positions/test_collateral.py
index 634705069..af1073c7c 100644
--- a/apps/trading/e2e/tests/positions/test_collateral.py
+++ b/apps/trading/e2e/tests/positions/test_collateral.py
@@ -1,6 +1,6 @@
 import pytest
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from conftest import init_vega
 from fixtures.market import setup_continuous_market
 
@@ -16,7 +16,7 @@ def vega(request):
 
 
 @pytest.fixture(scope="module")
-def continuous_market(vega: VegaService):
+def continuous_market(vega: VegaServiceNull):
     return setup_continuous_market(vega)
 
 
diff --git a/apps/trading/e2e/tests/positions/test_positions.py b/apps/trading/e2e/tests/positions/test_positions.py
index f5d7a04b2..af03027dd 100644
--- a/apps/trading/e2e/tests/positions/test_positions.py
+++ b/apps/trading/e2e/tests/positions/test_positions.py
@@ -1,13 +1,13 @@
 import pytest
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from fixtures.market import (
     setup_continuous_market,
 )
 
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
-def test_closed_market_position(vega: VegaService, page: Page):
+def test_closed_market_position(vega: VegaServiceNull, page: Page):
     market_id = setup_continuous_market(vega)
 
     vega.submit_termination_and_settlement_data(
diff --git a/apps/trading/e2e/tests/referrals/test_referrals.py b/apps/trading/e2e/tests/referrals/test_referrals.py
index 33ae3208e..1f81cae07 100644
--- a/apps/trading/e2e/tests/referrals/test_referrals.py
+++ b/apps/trading/e2e/tests/referrals/test_referrals.py
@@ -1,6 +1,6 @@
 import pytest
-from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from playwright.sync_api import Page
+from vega_sim.null_service import VegaServiceNull
 from conftest import init_vega
 from fixtures.market import setup_continuous_market, setup_simple_market
 from actions.utils import change_keys, create_and_faucet_wallet, forward_time, selector_contains_text
@@ -72,7 +72,7 @@ def create_staking_tier(minimum_staked_tokens, referral_reward_multiplier):
     }
 
 
-def setup_market_and_referral_scheme(vega: VegaService, continuous_market: str, page: Page):
+def setup_market_and_referral_scheme(vega: VegaServiceNull, continuous_market: str, page: Page):
     page.goto(f"/#/markets/{continuous_market}")
 
     create_and_faucet_wallet(vega=vega, wallet=PARTY_A)
@@ -118,7 +118,7 @@ def setup_market_and_referral_scheme(vega: VegaService, continuous_market: str,
 
 
 @pytest.mark.usefixtures("page", "auth", "risk_accepted")
-def test_can_traverse_up_and_down_through_tiers(continuous_market, vega: VegaService, page: Page):
+def test_can_traverse_up_and_down_through_tiers(continuous_market, vega: VegaServiceNull, page: Page):
     setup_market_and_referral_scheme(vega, continuous_market, page)
     change_keys(page, vega, PARTY_B.name)
     submit_order(vega, PARTY_B.name, continuous_market, "SIDE_BUY", 1, 115)
@@ -162,7 +162,7 @@ def test_can_traverse_up_and_down_through_tiers(continuous_market, vega: VegaSer
 
 
 @pytest.mark.usefixtures("page", "auth", "risk_accepted")
-def test_does_not_move_up_tiers_when_not_enough_epochs(continuous_market, vega: VegaService, page: Page):
+def test_does_not_move_up_tiers_when_not_enough_epochs(continuous_market, vega: VegaServiceNull, page: Page):
     setup_market_and_referral_scheme(vega, continuous_market, page)
     change_keys(page, vega, PARTY_B.name)
     submit_order(vega, PARTY_B.name, continuous_market, "SIDE_BUY", 2, 115)
diff --git a/apps/trading/e2e/tests/successor_market/test_succession_line.py b/apps/trading/e2e/tests/successor_market/test_succession_line.py
index dbfcc608e..e18e0fe2b 100644
--- a/apps/trading/e2e/tests/successor_market/test_succession_line.py
+++ b/apps/trading/e2e/tests/successor_market/test_succession_line.py
@@ -1,12 +1,12 @@
 import pytest
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from fixtures.market import setup_continuous_market, setup_simple_successor_market
 
 
 @pytest.fixture
 @pytest.mark.usefixtures()
-def successor_market(vega: VegaService):
+def successor_market(vega: VegaServiceNull):
     parent_market_id = setup_continuous_market(vega)
     tdai_id = vega.find_asset_id(symbol="tDAI")
     successor_market_id = setup_simple_successor_market(
diff --git a/apps/trading/e2e/tests/trade_history/test_trade_history.py b/apps/trading/e2e/tests/trade_history/test_trade_history.py
index fc8ca0bc5..1a93ad1c9 100644
--- a/apps/trading/e2e/tests/trade_history/test_trade_history.py
+++ b/apps/trading/e2e/tests/trade_history/test_trade_history.py
@@ -5,7 +5,7 @@ from playwright.sync_api import expect
 from actions.vega import submit_order
 from conftest import init_vega
 from playwright.sync_api import Page
-from vega_sim.null_service import VegaService
+from vega_sim.null_service import VegaServiceNull
 
 logger = logging.getLogger()
 
@@ -47,7 +47,7 @@ def verify_data_grid(page: Page, data_test_id, expected_pattern):
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
 def test_limit_order_new_trade_top_of_list(
-    continuous_market, vega: VegaService, page: Page
+    continuous_market, vega: VegaServiceNull, page: Page
 ):
     submit_order(vega, "Key 1", continuous_market, "SIDE_BUY", 1, 110)
     vega.wait_fn(1)
diff --git a/apps/trading/e2e/tests/trade_match/test_trade_match.py b/apps/trading/e2e/tests/trade_match/test_trade_match.py
index f848ab08f..ce3e1e19a 100644
--- a/apps/trading/e2e/tests/trade_match/test_trade_match.py
+++ b/apps/trading/e2e/tests/trade_match/test_trade_match.py
@@ -1,13 +1,13 @@
 import pytest
 from playwright.sync_api import expect, Page
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 
 from actions.vega import submit_multiple_orders
 
 
 @pytest.mark.skip("tbd")
 @pytest.mark.usefixtures("auth", "risk_accepted")
-def test_trade_match_table(opening_auction_market: str, vega: VegaService, page: Page):
+def test_trade_match_table(opening_auction_market: str, vega: VegaServiceNull, page: Page):
     row_locator = ".ag-center-cols-container .ag-row"
     page.goto(f"/#/markets/{opening_auction_market}")
 
diff --git a/apps/trading/e2e/tests/trading_chart/test_trading_chart.py b/apps/trading/e2e/tests/trading_chart/test_trading_chart.py
index f74a92b2e..07b3922ff 100644
--- a/apps/trading/e2e/tests/trading_chart/test_trading_chart.py
+++ b/apps/trading/e2e/tests/trading_chart/test_trading_chart.py
@@ -2,7 +2,7 @@
 # import re
 # from collections import namedtuple
 # from playwright.sync_api import Page
-# from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 # from actions.vega import submit_order
 
 # import logging
@@ -14,7 +14,7 @@
 # @pytest.mark.skip("temporary skip")
 # @pytest.mark.parametrize(, [120], indirect=True)
 # @pytest.mark.usefixtures("continuous_market","risk_accepted", "auth")
-# def test_trading_chart(continuous_market, vega: VegaService, page: Page):
+# def test_trading_chart(continuous_market, vega: VegaServiceNull, page: Page):
 #     page.goto(f"/#/markets/{continuous_market}")
 #     vega.forward("24h")
 #     vega.wait_for_total_catchup()
diff --git a/apps/trading/e2e/tests/transfer/test_transfer_key_to_key.py b/apps/trading/e2e/tests/transfer/test_transfer_key_to_key.py
index 4ffc1c11f..3076beb24 100644
--- a/apps/trading/e2e/tests/transfer/test_transfer_key_to_key.py
+++ b/apps/trading/e2e/tests/transfer/test_transfer_key_to_key.py
@@ -1,7 +1,7 @@
 import pytest
 import re
 from playwright.sync_api import Page, expect
-from vega_sim.service import VegaService
+from vega_sim.null_service import VegaServiceNull
 from actions.utils import (
     wait_for_toast_confirmation,
     create_and_faucet_wallet,
@@ -18,7 +18,7 @@ PARTY_C = WalletConfig("party_c", "party_c")
 
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
-def test_transfer_submit(continuous_market, vega: VegaService, page: Page):
+def test_transfer_submit(continuous_market, vega: VegaServiceNull, page: Page):
     # 1003-TRAN-001
     # 1003-TRAN-006
     # 1003-TRAN-007
@@ -64,7 +64,7 @@ def test_transfer_submit(continuous_market, vega: VegaService, page: Page):
 
 @pytest.mark.usefixtures("auth", "risk_accepted")
 def test_transfer_vesting_below_minimum(
-    continuous_market, vega: VegaService, page: Page
+    continuous_market, vega: VegaServiceNull, page: Page
 ):
     vega.update_network_parameter(
         "market_maker",
diff --git a/apps/trading/e2e/tests/wallet/test_wallet.py b/apps/trading/e2e/tests/wallet/test_wallet.py
index b3dd64c1f..1d5f6e98d 100644
--- a/apps/trading/e2e/tests/wallet/test_wallet.py
+++ b/apps/trading/e2e/tests/wallet/test_wallet.py
@@ -2,7 +2,6 @@ import pytest
 import re
 import json
 from playwright.sync_api import Page, expect, Route
-from vega_sim.service import VegaService
 from conftest import init_vega
 from fixtures.market import setup_continuous_market