diff --git a/packages/signature-controller/package.json b/packages/signature-controller/package.json
index 4b1ea6e605..a1836f2efa 100644
--- a/packages/signature-controller/package.json
+++ b/packages/signature-controller/package.json
@@ -60,6 +60,7 @@
     "@metamask/auto-changelog": "^3.4.4",
     "@metamask/keyring-controller": "^17.2.2",
     "@metamask/logging-controller": "^6.0.1",
+    "@metamask/network-controller": "^21.0.1",
     "@types/jest": "^27.4.1",
     "deepmerge": "^4.2.2",
     "jest": "^27.5.1",
@@ -71,7 +72,8 @@
   "peerDependencies": {
     "@metamask/approval-controller": "^7.0.0",
     "@metamask/keyring-controller": "^17.0.0",
-    "@metamask/logging-controller": "^6.0.0"
+    "@metamask/logging-controller": "^6.0.0",
+    "@metamask/network-controller": "^21.0.1"
   },
   "engines": {
     "node": "^18.18 || >=20"
diff --git a/packages/signature-controller/src/SignatureController.test.ts b/packages/signature-controller/src/SignatureController.test.ts
index 2fb84b55d8..fa94b2cfcc 100644
--- a/packages/signature-controller/src/SignatureController.test.ts
+++ b/packages/signature-controller/src/SignatureController.test.ts
@@ -11,7 +11,11 @@ import type {
   SignatureControllerState,
 } from './SignatureController';
 import { SignatureController } from './SignatureController';
-import type { MessageParamsPersonal, SignatureRequest } from './types';
+import type {
+  MessageParamsPersonal,
+  OriginalRequest,
+  SignatureRequest,
+} from './types';
 import { SignatureRequestStatus, SignatureRequestType } from './types';
 import {
   normalizePersonalMessageParams,
@@ -29,6 +33,7 @@ jest.mock('@metamask/controller-utils', () => ({
 
 const ID_MOCK = '123-456';
 const CHAIN_ID_MOCK = '0x1';
+const NETWORK_CLIENT_ID_MOCK = 'testNetworkClientId';
 const FROM_MOCK = '0x456DEF';
 const DATA_MOCK = '0xABC123';
 const SIGNATURE_HASH_MOCK = '0x123ABC';
@@ -40,9 +45,15 @@ const PARAMS_MOCK = {
   data: DATA_MOCK,
 };
 
+const REQUEST_MOCK = {
+  networkClientId: NETWORK_CLIENT_ID_MOCK,
+};
+
 const SIGNATURE_REQUEST_MOCK: SignatureRequest = {
+  chainId: CHAIN_ID_MOCK,
   id: ID_MOCK,
   messageParams: PARAMS_MOCK,
+  networkClientId: NETWORK_CLIENT_ID_MOCK,
   status: SignatureRequestStatus.Signed,
   time: Date.now(),
   type: SignatureRequestType.PersonalSign,
@@ -57,6 +68,7 @@ function createMessengerMock() {
   const approvalControllerAddRequestMock = jest.fn();
   const keyringControllerSignPersonalMessageMock = jest.fn();
   const keyringControllerSignTypedMessageMock = jest.fn();
+  const networkControllerGetNetworkClientByIdMock = jest.fn();
 
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   const callMock = (method: string, ...args: any[]) => {
@@ -69,6 +81,8 @@ function createMessengerMock() {
         return keyringControllerSignPersonalMessageMock(...args);
       case 'KeyringController:signTypedMessage':
         return keyringControllerSignTypedMessageMock(...args);
+      case 'NetworkController:getNetworkClientById':
+        return networkControllerGetNetworkClientByIdMock(...args);
       default:
         throw new Error(`Messenger method not recognised: ${method}`);
     }
@@ -84,6 +98,12 @@ function createMessengerMock() {
   approvalControllerAddRequestMock.mockResolvedValue({});
   loggingControllerAddMock.mockResolvedValue({});
 
+  networkControllerGetNetworkClientByIdMock.mockReturnValue({
+    configuration: {
+      chainId: CHAIN_ID_MOCK,
+    },
+  });
+
   return {
     approvalControllerAddRequestMock,
     keyringControllerSignPersonalMessageMock,
@@ -327,13 +347,13 @@ describe('SignatureController', () => {
   describe.each([
     [
       'newUnsignedPersonalMessage',
-      (controller: SignatureController, request = {}) =>
+      (controller: SignatureController, request: OriginalRequest) =>
         controller.newUnsignedPersonalMessage({ ...PARAMS_MOCK }, request),
       SignatureRequestType.PersonalSign,
     ],
     [
       'newUnsignedTypedMessage',
-      (controller: SignatureController, request = {}) =>
+      (controller: SignatureController, request: OriginalRequest) =>
         controller.newUnsignedTypedMessage(
           PARAMS_MOCK,
           request,
@@ -352,7 +372,7 @@ describe('SignatureController', () => {
       approvalControllerAddRequestMock.mockRejectedValueOnce(error);
 
       await expect(
-        controller.newUnsignedPersonalMessage({ ...PARAMS_MOCK }, {}),
+        controller.newUnsignedPersonalMessage({ ...PARAMS_MOCK }, REQUEST_MOCK),
       ).rejects.toMatchObject({
         message: ERROR_MESSAGE_MOCK,
         code: ERROR_CODE_MOCK,
@@ -383,7 +403,7 @@ describe('SignatureController', () => {
         SIGNATURE_HASH_MOCK,
       );
 
-      await fn(controller);
+      await fn(controller, REQUEST_MOCK);
 
       expect(resultCallbackSuccessMock).toHaveBeenCalledTimes(1);
       expect(resultCallbackSuccessMock).toHaveBeenCalledWith(
@@ -398,7 +418,7 @@ describe('SignatureController', () => {
 
       controller.hub.on(`${ID_MOCK}:finished`, listener);
 
-      await fn(controller);
+      await fn(controller, REQUEST_MOCK);
 
       const state = controller.state.signatureRequests[ID_MOCK];
 
@@ -418,7 +438,7 @@ describe('SignatureController', () => {
 
       approvalControllerAddRequestMock.mockRejectedValueOnce(errorMock);
 
-      await fn(controller).catch(() => {
+      await fn(controller, REQUEST_MOCK).catch(() => {
         // Ignore error
       });
 
@@ -431,7 +451,7 @@ describe('SignatureController', () => {
     it('adds logs to logging controller if approved', async () => {
       const { controller, loggingControllerAddMock } = createController();
 
-      await fn(controller);
+      await fn(controller, REQUEST_MOCK);
 
       expect(loggingControllerAddMock).toHaveBeenCalledTimes(2);
 
@@ -465,7 +485,7 @@ describe('SignatureController', () => {
 
       approvalControllerAddRequestMock.mockRejectedValueOnce(errorMock);
 
-      await expect(fn(controller)).rejects.toThrow(errorMock);
+      await expect(fn(controller, REQUEST_MOCK)).rejects.toThrow(errorMock);
 
       expect(loggingControllerAddMock).toHaveBeenCalledTimes(2);
 
@@ -491,7 +511,7 @@ describe('SignatureController', () => {
     it('populates origin from request', async () => {
       const { controller } = createController();
 
-      await fn(controller, { origin: 'test' });
+      await fn(controller, { ...REQUEST_MOCK, origin: 'test' });
 
       expect(
         controller.state.signatureRequests[ID_MOCK].messageParams.origin,
@@ -501,11 +521,19 @@ describe('SignatureController', () => {
     it('populates request ID from request', async () => {
       const { controller } = createController();
 
-      await fn(controller, { id: 'test' });
+      await fn(controller, { ...REQUEST_MOCK, id: 123 });
 
       expect(
         controller.state.signatureRequests[ID_MOCK].messageParams.requestId,
-      ).toBe('test');
+      ).toBe(123);
+    });
+
+    it('throws if no network client ID in request', async () => {
+      const { controller } = createController();
+
+      await expect(fn(controller, {} as OriginalRequest)).rejects.toThrow(
+        'Network client ID not found in request',
+      );
     });
 
     it('emits unapproved message event', async () => {
@@ -515,7 +543,7 @@ describe('SignatureController', () => {
 
       controller.hub.on('unapprovedMessage', listener);
 
-      await fn(controller);
+      await fn(controller, REQUEST_MOCK);
 
       expect(listener).toHaveBeenCalledTimes(1);
       expect(listener).toHaveBeenCalledWith({
@@ -543,7 +571,7 @@ describe('SignatureController', () => {
 
       controller.hub.on(`${type}:signed`, listener);
 
-      await fn(controller);
+      await fn(controller, REQUEST_MOCK);
 
       expect(listener).toHaveBeenCalledTimes(1);
       expect(listener).toHaveBeenCalledWith({
@@ -568,7 +596,7 @@ describe('SignatureController', () => {
       keyringControllerSignPersonalMessageMock.mockRejectedValueOnce(errorMock);
       keyringControllerSignTypedMessageMock.mockRejectedValueOnce(errorMock);
 
-      await fn(controller).catch(() => {
+      await fn(controller, REQUEST_MOCK).catch(() => {
         // Ignore error
       });
 
@@ -599,7 +627,9 @@ describe('SignatureController', () => {
       keyringControllerSignPersonalMessageMock.mockRejectedValueOnce(errorMock);
       keyringControllerSignTypedMessageMock.mockRejectedValueOnce(errorMock);
 
-      await expect(fn(controller)).rejects.toThrow(ERROR_MESSAGE_MOCK);
+      await expect(fn(controller, REQUEST_MOCK)).rejects.toThrow(
+        ERROR_MESSAGE_MOCK,
+      );
 
       expect(resultCallbackErrorMock).toHaveBeenCalledTimes(1);
       expect(resultCallbackErrorMock).toHaveBeenCalledWith(errorMock);
@@ -617,7 +647,7 @@ describe('SignatureController', () => {
 
       const result = await controller.newUnsignedPersonalMessage(
         { ...PARAMS_MOCK },
-        {},
+        REQUEST_MOCK,
       );
 
       expect(result).toBe(SIGNATURE_HASH_MOCK);
@@ -633,7 +663,10 @@ describe('SignatureController', () => {
 
       detectSIWEMock.mockReturnValueOnce(siweMock);
 
-      await controller.newUnsignedPersonalMessage({ ...PARAMS_MOCK }, {});
+      await controller.newUnsignedPersonalMessage(
+        { ...PARAMS_MOCK },
+        REQUEST_MOCK,
+      );
 
       const messageParams = controller.state.signatureRequests[ID_MOCK]
         .messageParams as MessageParamsPersonal;
@@ -653,7 +686,7 @@ describe('SignatureController', () => {
 
       const result = await controller.newUnsignedTypedMessage(
         PARAMS_MOCK,
-        {},
+        REQUEST_MOCK,
         SignTypedDataVersion.V1,
         { parseJsonData: false },
       );
@@ -676,7 +709,7 @@ describe('SignatureController', () => {
             ...PARAMS_MOCK,
             data: JSON.stringify({ test: 123 }),
           },
-          {},
+          REQUEST_MOCK,
           version as SignTypedDataVersion,
           { parseJsonData: true },
         );
@@ -706,7 +739,7 @@ describe('SignatureController', () => {
           ...PARAMS_MOCK,
           data: JSON.stringify({ test: 123 }),
         },
-        {},
+        REQUEST_MOCK,
         SignTypedDataVersion.V1,
         { parseJsonData: true },
       );
@@ -733,7 +766,7 @@ describe('SignatureController', () => {
       await expect(
         controller.newUnsignedTypedMessage(
           PARAMS_MOCK,
-          {},
+          REQUEST_MOCK,
           SignTypedDataVersion.V3,
           { parseJsonData: false },
         ),
@@ -782,7 +815,7 @@ describe('SignatureController', () => {
             ...PARAMS_MOCK,
             deferSetAsSigned: true,
           },
-          {},
+          REQUEST_MOCK,
         )
         .then((result) => {
           resolved = true;
@@ -860,7 +893,7 @@ describe('SignatureController', () => {
             ...PARAMS_MOCK,
             deferSetAsSigned: true,
           },
-          {},
+          REQUEST_MOCK,
         )
         .catch((error) => {
           rejectedError = error;
diff --git a/packages/signature-controller/src/SignatureController.ts b/packages/signature-controller/src/SignatureController.ts
index 6ec64bf6c1..5e9039afb6 100644
--- a/packages/signature-controller/src/SignatureController.ts
+++ b/packages/signature-controller/src/SignatureController.ts
@@ -27,6 +27,7 @@ import {
   SigningStage,
   type AddLog,
 } from '@metamask/logging-controller';
+import type { NetworkControllerGetNetworkClientByIdAction } from '@metamask/network-controller';
 import type { Hex, Json } from '@metamask/utils';
 import EventEmitter from 'events';
 import { v1 as random } from 'uuid';
@@ -113,7 +114,8 @@ type AllowedActions =
   | KeyringControllerSignMessageAction
   | KeyringControllerSignPersonalMessageAction
   | KeyringControllerSignTypedMessageAction
-  | AddLog;
+  | AddLog
+  | NetworkControllerGetNetworkClientByIdAction;
 
 export type GetSignatureState = ControllerGetStateAction<
   typeof controllerName,
@@ -184,25 +186,17 @@ export class SignatureController extends BaseController<
 > {
   hub: EventEmitter;
 
-  #getCurrentChainId: () => Hex;
-
   #trace: TraceCallback;
 
   /**
    * Construct a Sign controller.
    *
    * @param options - The controller options.
-   * @param options.getCurrentChainId - A function that returns the current chain ID.
    * @param options.messenger - The restricted controller messenger for the sign controller.
    * @param options.state - Initial state to set on this controller.
    * @param options.trace - Callback to generate trace information.
    */
-  constructor({
-    getCurrentChainId,
-    messenger,
-    state,
-    trace,
-  }: SignatureControllerOptions) {
+  constructor({ messenger, state, trace }: SignatureControllerOptions) {
     super({
       name: controllerName,
       metadata: stateMetadata,
@@ -214,7 +208,6 @@ export class SignatureController extends BaseController<
     });
 
     this.hub = new EventEmitter();
-    this.#getCurrentChainId = getCurrentChainId;
     this.#trace = trace ?? (((_request, fn) => fn?.()) as TraceCallback);
   }
 
@@ -335,10 +328,12 @@ export class SignatureController extends BaseController<
     signingOptions: TypedSigningOptions,
     options: { traceContext?: TraceContext } = {},
   ): Promise<string> {
+    const chainId = this.#getChainId(request);
+
     validateTypedSignatureRequest(
       messageParams,
       version as SignTypedDataVersion,
-      this.#getCurrentChainId(),
+      chainId,
     );
 
     const normalizedMessageParams = normalizeTypedMessageParams(
@@ -347,13 +342,13 @@ export class SignatureController extends BaseController<
     );
 
     return this.#processSignatureRequest({
+      approvalType: ApprovalType.EthSignTypedData,
       messageParams: normalizedMessageParams,
       request,
-      type: SignatureRequestType.TypedSign,
-      approvalType: ApprovalType.EthSignTypedData,
-      version: version as SignTypedDataVersion,
       signingOptions,
       traceContext: options.traceContext,
+      type: SignatureRequestType.TypedSign,
+      version: version as SignTypedDataVersion,
     });
   }
 
@@ -435,6 +430,7 @@ export class SignatureController extends BaseController<
   }
 
   async #processSignatureRequest({
+    chainId: optionChainId,
     messageParams,
     request,
     type,
@@ -443,6 +439,7 @@ export class SignatureController extends BaseController<
     signingOptions,
     traceContext,
   }: {
+    chainId?: Hex;
     messageParams: MessageParams;
     request: OriginalRequest;
     type: SignatureRequestType;
@@ -458,9 +455,12 @@ export class SignatureController extends BaseController<
       version,
     });
 
+    const chainId = optionChainId ?? this.#getChainId(request);
+
     this.#addLog(type, version, SigningStage.Proposed, messageParams);
 
     const metadata = this.#addMetadata({
+      chainId,
       messageParams,
       request,
       signingOptions,
@@ -532,12 +532,14 @@ export class SignatureController extends BaseController<
   }
 
   #addMetadata({
+    chainId,
     messageParams,
     request,
     signingOptions,
     type,
     version,
   }: {
+    chainId: Hex;
     messageParams: MessageParams;
     request: OriginalRequest;
     signingOptions?: TypedSigningOptions;
@@ -550,11 +552,13 @@ export class SignatureController extends BaseController<
       requestId: request.id,
     };
 
-    const { securityAlertResponse } = request;
+    const { networkClientId, securityAlertResponse } = request;
 
     const metadata = {
+      chainId,
       id: random(),
       messageParams: finalMessageParams,
+      networkClientId,
       securityAlertResponse,
       signingOptions,
       status: SignatureRequestStatus.Unapproved,
@@ -567,6 +571,8 @@ export class SignatureController extends BaseController<
       state.signatureRequests[metadata.id] = metadata;
     });
 
+    log('Added signature request', metadata);
+
     this.hub.emit('unapprovedMessage', {
       messageParams,
       metamaskId: metadata.id,
@@ -863,4 +869,19 @@ export class SignatureController extends BaseController<
 
     return SigningMethod.EthSignTypedData;
   }
+
+  #getChainId(request: OriginalRequest): Hex {
+    const { networkClientId } = request;
+
+    if (!networkClientId) {
+      throw new Error('Network client ID not found in request');
+    }
+
+    const networkClient = this.messagingSystem.call(
+      'NetworkController:getNetworkClientById',
+      networkClientId,
+    );
+
+    return networkClient.configuration.chainId;
+  }
 }
diff --git a/packages/signature-controller/src/types.ts b/packages/signature-controller/src/types.ts
index 1f59e55594..2768a4c506 100644
--- a/packages/signature-controller/src/types.ts
+++ b/packages/signature-controller/src/types.ts
@@ -1,12 +1,15 @@
 import type { SIWEMessage } from '@metamask/controller-utils';
 import type { SignTypedDataVersion } from '@metamask/keyring-controller';
-import type { Json } from '@metamask/utils';
+import type { Hex, Json } from '@metamask/utils';
 
 /** Original client request that triggered the signature request. */
 export type OriginalRequest = {
   /** Unique ID to identify the client request. */
   id?: number;
 
+  /** ID of the network client associated with the request. */
+  networkClientId?: string;
+
   /** Source of the client request. */
   origin?: string;
 
@@ -68,6 +71,9 @@ export type MessageParamsTyped = MessageParams & {
 };
 
 type SignatureRequestBase = {
+  /** ID of the associated chain. */
+  chainId: Hex;
+
   /** Error message that occurred during the signing. */
   error?: string;
 
@@ -77,6 +83,9 @@ type SignatureRequestBase = {
   /** Custom metadata stored with the request. */
   metadata?: Json;
 
+  /** ID of the associated network client. */
+  networkClientId: string;
+
   /** Signature hash resulting from the request. */
   rawSig?: string;
 
diff --git a/packages/signature-controller/tsconfig.build.json b/packages/signature-controller/tsconfig.build.json
index 1c2dc43957..c7831754a6 100644
--- a/packages/signature-controller/tsconfig.build.json
+++ b/packages/signature-controller/tsconfig.build.json
@@ -23,6 +23,9 @@
     },
     {
       "path": "../logging-controller/tsconfig.build.json"
+    },
+    {
+      "path": "../network-controller/tsconfig.build.json"
     }
   ],
   "include": ["../../types", "./src"]
diff --git a/packages/signature-controller/tsconfig.json b/packages/signature-controller/tsconfig.json
index 30c7bc4a79..11bf1c1898 100644
--- a/packages/signature-controller/tsconfig.json
+++ b/packages/signature-controller/tsconfig.json
@@ -21,6 +21,9 @@
     },
     {
       "path": "../logging-controller"
+    },
+    {
+      "path": "../network-controller"
     }
   ],
   "include": ["../../types", "./src"]
diff --git a/yarn.lock b/yarn.lock
index ed66bdca2d..49cac125da 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3480,6 +3480,7 @@ __metadata:
     "@metamask/eth-sig-util": "npm:^7.0.1"
     "@metamask/keyring-controller": "npm:^17.2.2"
     "@metamask/logging-controller": "npm:^6.0.1"
+    "@metamask/network-controller": "npm:^21.0.1"
     "@metamask/utils": "npm:^9.1.0"
     "@types/jest": "npm:^27.4.1"
     deepmerge: "npm:^4.2.2"
@@ -3495,6 +3496,7 @@ __metadata:
     "@metamask/approval-controller": ^7.0.0
     "@metamask/keyring-controller": ^17.0.0
     "@metamask/logging-controller": ^6.0.0
+    "@metamask/network-controller": ^21.0.1
   languageName: unknown
   linkType: soft