diff --git a/packages/cosmwasm-stargate/src/signingcosmwasmclient.ts b/packages/cosmwasm-stargate/src/signingcosmwasmclient.ts
new file mode 100644
index 00000000..f310147b
--- /dev/null
+++ b/packages/cosmwasm-stargate/src/signingcosmwasmclient.ts
@@ -0,0 +1,404 @@
+/* eslint-disable @typescript-eslint/naming-convention */
+import {
+  ChangeAdminResult,
+  CosmWasmFeeTable,
+  ExecuteResult,
+  InstantiateOptions,
+  InstantiateResult,
+  isValidBuilder,
+  MigrateResult,
+  UploadMeta,
+  UploadResult,
+} from "@cosmjs/cosmwasm";
+import { sha256 } from "@cosmjs/crypto";
+import { fromBase64, toAscii, toHex } from "@cosmjs/encoding";
+import {
+  AccountData,
+  buildFeeTable,
+  Coin,
+  CosmosFeeTable,
+  encodeSecp256k1Pubkey,
+  GasLimits,
+  GasPrice,
+  logs,
+  makeSignDoc as makeSignDocAmino,
+  StdFee,
+} from "@cosmjs/launchpad";
+import { Int53, Uint53 } from "@cosmjs/math";
+import {
+  EncodeObject,
+  encodePubkey,
+  isOfflineDirectSigner,
+  makeAuthInfoBytes,
+  makeSignDoc,
+  OfflineSigner,
+  Registry,
+} from "@cosmjs/proto-signing";
+import {
+  BroadcastTxFailure,
+  BroadcastTxResponse,
+  codec,
+  getMsgType,
+  getMsgTypeUrl,
+  isBroadcastTxFailure,
+  parseRawLog,
+} from "@cosmjs/stargate";
+import { adaptor34, Client as TendermintClient } from "@cosmjs/tendermint-rpc";
+import Long from "long";
+import pako from "pako";
+
+import { cosmwasm } from "./codec";
+import { CosmWasmClient } from "./cosmwasmclient";
+
+const { TxRaw } = codec.cosmos.tx.v1beta1;
+const { SignMode } = codec.cosmos.tx.signing.v1beta1;
+const {
+  MsgClearAdmin,
+  MsgExecuteContract,
+  MsgInstantiateContract,
+  MsgMigrateContract,
+  MsgStoreCode,
+  MsgUpdateAdmin,
+} = cosmwasm.wasm.v1beta1;
+
+function prepareBuilder(builder: string | undefined): string {
+  if (builder === undefined) {
+    return ""; // normalization needed by backend
+  } else {
+    if (!isValidBuilder(builder)) throw new Error("The builder (Docker Hub image with tag) is not valid");
+    return builder;
+  }
+}
+
+const defaultGasPrice = GasPrice.fromString("0.025ucosm");
+const defaultGasLimits: GasLimits<CosmWasmFeeTable> = {
+  upload: 1_500_000,
+  init: 500_000,
+  migrate: 200_000,
+  exec: 200_000,
+  send: 80_000,
+  changeAdmin: 80_000,
+};
+
+function createBroadcastTxErrorMessage(result: BroadcastTxFailure): string {
+  return `Error when broadcasting tx ${result.transactionHash} at height ${result.height}. Code: ${result.code}; Raw log: ${result.rawLog}`;
+}
+
+function createDefaultRegistry(): Registry {
+  return new Registry([
+    ["/cosmwasm.wasm.v1beta1.MsgClearAdmin", MsgClearAdmin],
+    ["/cosmwasm.wasm.v1beta1.MsgExecuteContract", MsgExecuteContract],
+    ["/cosmwasm.wasm.v1beta1.MsgMigrateContract", MsgMigrateContract],
+    ["/cosmwasm.wasm.v1beta1.MsgStoreCode", MsgStoreCode],
+    ["/cosmwasm.wasm.v1beta1.MsgInstantiateContract", MsgInstantiateContract],
+    ["/cosmwasm.wasm.v1beta1.MsgUpdateAdmin", MsgUpdateAdmin],
+  ]);
+}
+
+export interface SigningCosmWasmClientOptions {
+  readonly registry?: Registry;
+  readonly gasPrice?: GasPrice;
+  readonly gasLimits?: GasLimits<CosmosFeeTable>;
+}
+
+/** Use for testing only */
+export interface PrivateSigningCosmWasmClient {
+  readonly fees: CosmWasmFeeTable;
+}
+
+export class SigningCosmWasmClient extends CosmWasmClient {
+  private readonly fees: CosmosFeeTable;
+  private readonly registry: Registry;
+  private readonly signer: OfflineSigner;
+
+  public static async connectWithWallet(
+    endpoint: string,
+    signer: OfflineSigner,
+    options: SigningCosmWasmClientOptions = {},
+  ): Promise<SigningCosmWasmClient> {
+    const tmClient = await TendermintClient.connect(endpoint, adaptor34);
+    return new SigningCosmWasmClient(tmClient, signer, options);
+  }
+
+  private constructor(
+    tmClient: TendermintClient,
+    signer: OfflineSigner,
+    options: SigningCosmWasmClientOptions,
+  ) {
+    super(tmClient);
+    const {
+      registry = createDefaultRegistry(),
+      gasPrice = defaultGasPrice,
+      gasLimits = defaultGasLimits,
+    } = options;
+    this.fees = buildFeeTable<CosmosFeeTable>(gasPrice, defaultGasLimits, gasLimits);
+    this.registry = registry;
+    this.signer = signer;
+  }
+
+  /** Uploads code and returns a receipt, including the code ID */
+  public async upload(
+    senderAddress: string,
+    wasmCode: Uint8Array,
+    meta: UploadMeta = {},
+    memo = "",
+  ): Promise<UploadResult> {
+    const source = meta.source || "";
+    const builder = prepareBuilder(meta.builder);
+    const compressed = pako.gzip(wasmCode, { level: 9 });
+    const storeCodeMsg = {
+      typeUrl: "/cosmwasm.wasm.v1beta1.MsgStoreCode",
+      value: MsgStoreCode.create({
+        sender: senderAddress,
+        wasmByteCode: compressed,
+        source: source,
+        builder: builder,
+      }),
+    };
+
+    const result = await this.signAndBroadcast(senderAddress, [storeCodeMsg], this.fees.upload, memo);
+    if (isBroadcastTxFailure(result)) {
+      throw new Error(createBroadcastTxErrorMessage(result));
+    }
+    const parsedLogs = parseRawLog(result.rawLog);
+    const codeIdAttr = logs.findAttribute(parsedLogs, "message", "code_id");
+    return {
+      originalSize: wasmCode.length,
+      originalChecksum: toHex(sha256(wasmCode)),
+      compressedSize: compressed.length,
+      compressedChecksum: toHex(sha256(compressed)),
+      codeId: Number.parseInt(codeIdAttr.value, 10),
+      logs: parsedLogs,
+      transactionHash: result.transactionHash,
+    };
+  }
+
+  public async instantiate(
+    senderAddress: string,
+    codeId: number,
+    initMsg: Record<string, unknown>,
+    label: string,
+    options: InstantiateOptions = {},
+  ): Promise<InstantiateResult> {
+    const instantiateMsg = {
+      typeUrl: "/cosmwasm.wasm.v1beta1.MsgInstantiateContract",
+      value: MsgInstantiateContract.create({
+        sender: senderAddress,
+        codeId: Long.fromString(new Uint53(codeId).toString()),
+        label: label,
+        initMsg: toAscii(JSON.stringify(initMsg)),
+        initFunds: [...(options.transferAmount || [])],
+        admin: options.admin,
+      }),
+    };
+    const result = await this.signAndBroadcast(senderAddress, [instantiateMsg], this.fees.init, options.memo);
+    if (isBroadcastTxFailure(result)) {
+      throw new Error(createBroadcastTxErrorMessage(result));
+    }
+    const parsedLogs = parseRawLog(result.rawLog);
+    const contractAddressAttr = logs.findAttribute(parsedLogs, "message", "contract_address");
+    return {
+      contractAddress: contractAddressAttr.value,
+      logs: parsedLogs,
+      transactionHash: result.transactionHash,
+    };
+  }
+
+  public async updateAdmin(
+    senderAddress: string,
+    contractAddress: string,
+    newAdmin: string,
+    memo = "",
+  ): Promise<ChangeAdminResult> {
+    const updateAdminMsg = {
+      typeUrl: "/cosmwasm.wasm.v1beta1.MsgUpdateAdmin",
+      value: MsgUpdateAdmin.create({
+        sender: senderAddress,
+        contract: contractAddress,
+        newAdmin: newAdmin,
+      }),
+    };
+    const result = await this.signAndBroadcast(senderAddress, [updateAdminMsg], this.fees.changeAdmin, memo);
+    if (isBroadcastTxFailure(result)) {
+      throw new Error(createBroadcastTxErrorMessage(result));
+    }
+    return {
+      logs: parseRawLog(result.rawLog),
+      transactionHash: result.transactionHash,
+    };
+  }
+
+  public async clearAdmin(
+    senderAddress: string,
+    contractAddress: string,
+    memo = "",
+  ): Promise<ChangeAdminResult> {
+    const clearAdminMsg = {
+      typeUrl: "/cosmwasm.wasm.v1beta1.MsgClearAdmin",
+      value: MsgClearAdmin.create({
+        sender: senderAddress,
+        contract: contractAddress,
+      }),
+    };
+    const result = await this.signAndBroadcast(senderAddress, [clearAdminMsg], this.fees.changeAdmin, memo);
+    if (isBroadcastTxFailure(result)) {
+      throw new Error(createBroadcastTxErrorMessage(result));
+    }
+    return {
+      logs: parseRawLog(result.rawLog),
+      transactionHash: result.transactionHash,
+    };
+  }
+
+  public async migrate(
+    senderAddress: string,
+    contractAddress: string,
+    codeId: number,
+    migrateMsg: Record<string, unknown>,
+    memo = "",
+  ): Promise<MigrateResult> {
+    const msg = {
+      typeUrl: "/cosmwasm.wasm.v1beta1.MsgMigrateContract",
+      value: MsgMigrateContract.create({
+        sender: senderAddress,
+        contract: contractAddress,
+        codeId: Long.fromString(new Uint53(codeId).toString()),
+        migrateMsg: toAscii(JSON.stringify(migrateMsg)),
+      }),
+    };
+    const result = await this.signAndBroadcast(senderAddress, [msg], this.fees.migrate, memo);
+    if (isBroadcastTxFailure(result)) {
+      throw new Error(createBroadcastTxErrorMessage(result));
+    }
+    return {
+      logs: parseRawLog(result.rawLog),
+      transactionHash: result.transactionHash,
+    };
+  }
+
+  public async execute(
+    senderAddress: string,
+    contractAddress: string,
+    handleMsg: Record<string, unknown>,
+    memo = "",
+    transferAmount?: readonly Coin[],
+  ): Promise<ExecuteResult> {
+    const executeMsg = {
+      typeUrl: "/cosmwasm.wasm.v1beta1.MsgExecuteContract",
+      value: MsgExecuteContract.create({
+        sender: senderAddress,
+        contract: contractAddress,
+        msg: toAscii(JSON.stringify(handleMsg)),
+        sentFunds: [...(transferAmount || [])],
+      }),
+    };
+    const result = await this.signAndBroadcast(senderAddress, [executeMsg], this.fees.exec, memo);
+    if (isBroadcastTxFailure(result)) {
+      throw new Error(createBroadcastTxErrorMessage(result));
+    }
+    return {
+      logs: parseRawLog(result.rawLog),
+      transactionHash: result.transactionHash,
+    };
+  }
+
+  public async sendTokens(
+    senderAddress: string,
+    recipientAddress: string,
+    transferAmount: readonly Coin[],
+    memo = "",
+  ): Promise<BroadcastTxResponse> {
+    const sendMsg = {
+      typeUrl: "/cosmos.bank.v1beta1.MsgSend",
+      value: {
+        fromAddress: senderAddress,
+        toAddress: recipientAddress,
+        amount: transferAmount,
+      },
+    };
+    return this.signAndBroadcast(senderAddress, [sendMsg], this.fees.send, memo);
+  }
+
+  public async signAndBroadcast(
+    address: string,
+    messages: readonly EncodeObject[],
+    fee: StdFee,
+    memo = "",
+  ): Promise<BroadcastTxResponse> {
+    const accountFromSigner = (await this.signer.getAccounts()).find(
+      (account: AccountData) => account.address === address,
+    );
+    if (!accountFromSigner) {
+      throw new Error("Failed to retrieve account from signer");
+    }
+    const pubkey = encodeSecp256k1Pubkey(accountFromSigner.pubkey);
+    const accountFromChain = await this.getAccount(address);
+    if (!accountFromChain) {
+      throw new Error("Account not found");
+    }
+    const { accountNumber, sequence } = accountFromChain;
+    if (!pubkey) {
+      throw new Error("Pubkey not known");
+    }
+    const chainId = await this.getChainId();
+    const pubkeyAny = encodePubkey(pubkey);
+    const txBody = {
+      messages: messages,
+      memo: memo,
+    };
+    const txBodyBytes = this.registry.encode({
+      typeUrl: "/cosmos.tx.v1beta1.TxBody",
+      value: txBody,
+    });
+    const gasLimit = Int53.fromString(fee.gas).toNumber();
+
+    if (isOfflineDirectSigner(this.signer)) {
+      const authInfoBytes = makeAuthInfoBytes([pubkeyAny], fee.amount, gasLimit, sequence);
+      const signDoc = makeSignDoc(txBodyBytes, authInfoBytes, chainId, accountNumber);
+      const { signature, signed } = await this.signer.signDirect(address, signDoc);
+      const txRaw = TxRaw.create({
+        bodyBytes: signed.bodyBytes,
+        authInfoBytes: signed.authInfoBytes,
+        signatures: [fromBase64(signature.signature)],
+      });
+      const signedTx = Uint8Array.from(TxRaw.encode(txRaw).finish());
+      return this.broadcastTx(signedTx);
+    }
+
+    // Amino signer
+    const signMode = SignMode.SIGN_MODE_LEGACY_AMINO_JSON;
+    const msgs = messages.map((msg) => ({
+      type: getMsgType(msg.typeUrl),
+      value: msg.value,
+    }));
+    const signDoc = makeSignDocAmino(msgs, fee, chainId, memo, accountNumber, sequence);
+    const { signature, signed } = await this.signer.signAmino(address, signDoc);
+    const signedTxBody = {
+      messages: signed.msgs.map((msg) => ({
+        typeUrl: getMsgTypeUrl(msg.type),
+        value: msg.value,
+      })),
+      memo: signed.memo,
+    };
+    const signedTxBodyBytes = this.registry.encode({
+      typeUrl: "/cosmos.tx.v1beta1.TxBody",
+      value: signedTxBody,
+    });
+    const signedGasLimit = Int53.fromString(signed.fee.gas).toNumber();
+    const signedSequence = Int53.fromString(signed.sequence).toNumber();
+    const signedAuthInfoBytes = makeAuthInfoBytes(
+      [pubkeyAny],
+      signed.fee.amount,
+      signedGasLimit,
+      signedSequence,
+      signMode,
+    );
+    const txRaw = TxRaw.create({
+      bodyBytes: signedTxBodyBytes,
+      authInfoBytes: signedAuthInfoBytes,
+      signatures: [fromBase64(signature.signature)],
+    });
+    const signedTx = Uint8Array.from(TxRaw.encode(txRaw).finish());
+    return this.broadcastTx(signedTx);
+  }
+}
diff --git a/packages/cosmwasm-stargate/types/signingcosmwasmclient.d.ts b/packages/cosmwasm-stargate/types/signingcosmwasmclient.d.ts
new file mode 100644
index 00000000..1b7cc383
--- /dev/null
+++ b/packages/cosmwasm-stargate/types/signingcosmwasmclient.d.ts
@@ -0,0 +1,81 @@
+import {
+  ChangeAdminResult,
+  CosmWasmFeeTable,
+  ExecuteResult,
+  InstantiateOptions,
+  InstantiateResult,
+  MigrateResult,
+  UploadMeta,
+  UploadResult,
+} from "@cosmjs/cosmwasm";
+import { Coin, CosmosFeeTable, GasLimits, GasPrice, StdFee } from "@cosmjs/launchpad";
+import { EncodeObject, OfflineSigner, Registry } from "@cosmjs/proto-signing";
+import { BroadcastTxResponse } from "@cosmjs/stargate";
+import { CosmWasmClient } from "./cosmwasmclient";
+export interface SigningCosmWasmClientOptions {
+  readonly registry?: Registry;
+  readonly gasPrice?: GasPrice;
+  readonly gasLimits?: GasLimits<CosmosFeeTable>;
+}
+/** Use for testing only */
+export interface PrivateSigningCosmWasmClient {
+  readonly fees: CosmWasmFeeTable;
+}
+export declare class SigningCosmWasmClient extends CosmWasmClient {
+  private readonly fees;
+  private readonly registry;
+  private readonly signer;
+  static connectWithWallet(
+    endpoint: string,
+    signer: OfflineSigner,
+    options?: SigningCosmWasmClientOptions,
+  ): Promise<SigningCosmWasmClient>;
+  private constructor();
+  /** Uploads code and returns a receipt, including the code ID */
+  upload(
+    senderAddress: string,
+    wasmCode: Uint8Array,
+    meta?: UploadMeta,
+    memo?: string,
+  ): Promise<UploadResult>;
+  instantiate(
+    senderAddress: string,
+    codeId: number,
+    initMsg: Record<string, unknown>,
+    label: string,
+    options?: InstantiateOptions,
+  ): Promise<InstantiateResult>;
+  updateAdmin(
+    senderAddress: string,
+    contractAddress: string,
+    newAdmin: string,
+    memo?: string,
+  ): Promise<ChangeAdminResult>;
+  clearAdmin(senderAddress: string, contractAddress: string, memo?: string): Promise<ChangeAdminResult>;
+  migrate(
+    senderAddress: string,
+    contractAddress: string,
+    codeId: number,
+    migrateMsg: Record<string, unknown>,
+    memo?: string,
+  ): Promise<MigrateResult>;
+  execute(
+    senderAddress: string,
+    contractAddress: string,
+    handleMsg: Record<string, unknown>,
+    memo?: string,
+    transferAmount?: readonly Coin[],
+  ): Promise<ExecuteResult>;
+  sendTokens(
+    senderAddress: string,
+    recipientAddress: string,
+    transferAmount: readonly Coin[],
+    memo?: string,
+  ): Promise<BroadcastTxResponse>;
+  signAndBroadcast(
+    address: string,
+    messages: readonly EncodeObject[],
+    fee: StdFee,
+    memo?: string,
+  ): Promise<BroadcastTxResponse>;
+}