diff --git a/packages/multichain-account-service/src/MultichainAccountService.test.ts b/packages/multichain-account-service/src/MultichainAccountService.test.ts
index 1cdac410036..ae8ede11341 100644
--- a/packages/multichain-account-service/src/MultichainAccountService.test.ts
+++ b/packages/multichain-account-service/src/MultichainAccountService.test.ts
@@ -3,12 +3,12 @@
 import type { Messenger } from '@metamask/base-controller';
 import { mnemonicPhraseToBytes } from '@metamask/key-tree';
 import type { KeyringAccount } from '@metamask/keyring-api';
-import { EthAccountType, SolAccountType } from '@metamask/keyring-api';
+import { BtcAccountType, EthAccountType, SolAccountType, TrxAccountType } from '@metamask/keyring-api';
 import { KeyringTypes, type KeyringObject } from '@metamask/keyring-controller';
 
 import type { MultichainAccountServiceOptions } from './MultichainAccountService';
 import { MultichainAccountService } from './MultichainAccountService';
-import type { NamedAccountProvider } from './providers';
+import { BTC_ACCOUNT_PROVIDER_NAME, BtcAccountProvider, TRX_ACCOUNT_PROVIDER_NAME, TrxAccountProvider, type NamedAccountProvider } from './providers';
 import { AccountProviderWrapper } from './providers/AccountProviderWrapper';
 import {
   EVM_ACCOUNT_PROVIDER_NAME,
@@ -59,6 +59,18 @@ jest.mock('./providers/SolAccountProvider', () => {
     SolAccountProvider: jest.fn(),
   };
 });
+jest.mock('./providers/BtcAccountProvider', () => {
+  return {
+    ...jest.requireActual('./providers/BtcAccountProvider'),
+    BtcAccountProvider: jest.fn(),
+  };
+});
+jest.mock('./providers/TrxAccountProvider', () => {
+  return {
+    ...jest.requireActual('./providers/TrxAccountProvider'),
+    TrxAccountProvider: jest.fn(),
+  };
+});
 
 type Mocks = {
   KeyringController: {
@@ -72,6 +84,8 @@ type Mocks = {
   };
   EvmAccountProvider: MockAccountProvider;
   SolAccountProvider: MockAccountProvider;
+  BtcAccountProvider: MockAccountProvider;
+  TrxAccountProvider: MockAccountProvider;
 };
 
 function mockAccountProvider<Provider extends NamedAccountProvider>(
@@ -126,6 +140,8 @@ function setup({
     },
     EvmAccountProvider: makeMockAccountProvider(),
     SolAccountProvider: makeMockAccountProvider(),
+    BtcAccountProvider: makeMockAccountProvider(),
+    TrxAccountProvider: makeMockAccountProvider(),
   };
 
   // Required for the `assert` on `MultichainAccountWallet.createMultichainAccountGroup`.
@@ -165,6 +181,8 @@ function setup({
     // force it here.
     EvmAccountProvider.NAME = EVM_ACCOUNT_PROVIDER_NAME;
     SolAccountProvider.NAME = SOL_ACCOUNT_PROVIDER_NAME;
+    BtcAccountProvider.NAME = BTC_ACCOUNT_PROVIDER_NAME;
+    TrxAccountProvider.NAME = TRX_ACCOUNT_PROVIDER_NAME;
 
     mockAccountProvider<EvmAccountProvider>(
       EvmAccountProvider,
@@ -178,6 +196,18 @@ function setup({
       accounts,
       SolAccountType.DataAccount,
     );
+    mockAccountProvider<BtcAccountProvider>(
+      BtcAccountProvider,
+      mocks.BtcAccountProvider,
+      accounts,
+      BtcAccountType.P2wpkh,
+    );
+    mockAccountProvider<TrxAccountProvider>(
+      TrxAccountProvider,
+      mocks.TrxAccountProvider,
+      accounts,
+      TrxAccountType.Eoa,
+    );
   }
 
   const serviceMessenger = getMultichainAccountServiceMessenger(messenger);
@@ -214,6 +244,26 @@ describe('MultichainAccountService', () => {
               timeoutMs: 3000,
             },
           },
+          [BTC_ACCOUNT_PROVIDER_NAME]: {
+            discovery: {
+              timeoutMs: 5000,
+              maxAttempts: 4,
+              backOffMs: 2000,
+            },
+            createAccounts: {
+              timeoutMs: 3000,
+            },
+          },
+          [TRX_ACCOUNT_PROVIDER_NAME]: {
+            discovery: {
+              timeoutMs: 5000,
+              maxAttempts: 4,
+              backOffMs: 2000,
+            },
+            createAccounts: {
+              timeoutMs: 3000,
+            },
+          },
         };
 
       const { mocks, serviceMessenger } = setup({
@@ -229,6 +279,14 @@ describe('MultichainAccountService', () => {
         serviceMessenger,
         providerConfigs[SolAccountProvider.NAME],
       );
+      expect(mocks.BtcAccountProvider.constructor).toHaveBeenCalledWith(
+        serviceMessenger,
+        providerConfigs[BtcAccountProvider.NAME],
+      );
+      expect(mocks.TrxAccountProvider.constructor).toHaveBeenCalledWith(
+        serviceMessenger,
+        providerConfigs[TrxAccountProvider.NAME],
+      );
     });
 
     it('allows optional configs for some providers', () => {
@@ -246,6 +304,26 @@ describe('MultichainAccountService', () => {
               timeoutMs: 3000,
             },
           },
+          [BTC_ACCOUNT_PROVIDER_NAME]: {
+            discovery: {
+              timeoutMs: 5000,
+              maxAttempts: 4,
+              backOffMs: 2000,
+            },
+            createAccounts: {
+              timeoutMs: 3000,
+            },
+          },
+          [TRX_ACCOUNT_PROVIDER_NAME]: {
+            discovery: {
+              timeoutMs: 5000,
+              maxAttempts: 4,
+              backOffMs: 2000,
+            },
+            createAccounts: {
+              timeoutMs: 3000,
+            },
+          },
           // No `EVM_ACCOUNT_PROVIDER_NAME`, cause it's optional in this test.
         };
 
@@ -262,6 +340,14 @@ describe('MultichainAccountService', () => {
         serviceMessenger,
         providerConfigs[SolAccountProvider.NAME],
       );
+      expect(mocks.BtcAccountProvider.constructor).toHaveBeenCalledWith(
+        serviceMessenger,
+        providerConfigs[BtcAccountProvider.NAME],
+      );
+      expect(mocks.TrxAccountProvider.constructor).toHaveBeenCalledWith(
+        serviceMessenger,
+        providerConfigs[TrxAccountProvider.NAME],
+      );
     });
   });
 
diff --git a/packages/multichain-account-service/src/MultichainAccountService.ts b/packages/multichain-account-service/src/MultichainAccountService.ts
index 776e057b139..9b8c76d74c9 100644
--- a/packages/multichain-account-service/src/MultichainAccountService.ts
+++ b/packages/multichain-account-service/src/MultichainAccountService.ts
@@ -15,17 +15,21 @@ import { areUint8ArraysEqual } from '@metamask/utils';
 import { projectLogger as log } from './logger';
 import type { MultichainAccountGroup } from './MultichainAccountGroup';
 import { MultichainAccountWallet } from './MultichainAccountWallet';
-import type {
-  EvmAccountProviderConfig,
-  NamedAccountProvider,
-  SolAccountProviderConfig,
+import {
+  BtcAccountProvider,
+  EvmAccountProvider,
+  SolAccountProvider,
+  TrxAccountProvider,
+  type BtcAccountProviderConfig,
+  type EvmAccountProviderConfig,
+  type NamedAccountProvider,
+  type SolAccountProviderConfig,
+  type TrxAccountProviderConfig,
 } from './providers';
 import {
   AccountProviderWrapper,
   isAccountProviderWrapper,
 } from './providers/AccountProviderWrapper';
-import { EvmAccountProvider } from './providers/EvmAccountProvider';
-import { SolAccountProvider } from './providers/SolAccountProvider';
 import type { MultichainAccountServiceMessenger } from './types';
 
 export const serviceName = 'MultichainAccountService';
@@ -39,6 +43,8 @@ export type MultichainAccountServiceOptions = {
   providerConfigs?: {
     [EvmAccountProvider.NAME]?: EvmAccountProviderConfig;
     [SolAccountProvider.NAME]?: SolAccountProviderConfig;
+    [BtcAccountProvider.NAME]?: BtcAccountProviderConfig;
+    [TrxAccountProvider.NAME]?: TrxAccountProviderConfig
   };
 };
 
@@ -103,6 +109,20 @@ export class MultichainAccountService {
           providerConfigs?.[SolAccountProvider.NAME],
         ),
       ),
+      new AccountProviderWrapper(
+        this.#messenger,
+        new BtcAccountProvider(
+          this.#messenger,
+          providerConfigs?.[BtcAccountProvider.NAME],
+        ),
+      ),
+      new AccountProviderWrapper(
+        this.#messenger,
+        new TrxAccountProvider(
+          this.#messenger,
+          providerConfigs?.[TrxAccountProvider.NAME],
+        ),
+      ),
       // Custom account providers that can be provided by the MetaMask client.
       ...providers,
     ];