diff --git a/packages/bridge-controller/src/utils/validators.ts b/packages/bridge-controller/src/utils/validators.ts
index ac6577aa45e..99b1e997839 100644
--- a/packages/bridge-controller/src/utils/validators.ts
+++ b/packages/bridge-controller/src/utils/validators.ts
@@ -16,6 +16,7 @@ import {
   assert,
   pattern,
   intersection,
+  any,
 } from '@metamask/superstruct';
 import {
   CaipAssetTypeStruct,
@@ -332,6 +333,27 @@ export const IntentSchema = type({
    * Optional relayer address responsible for order submission.
    */
   relayer: optional(HexAddressSchema),
+
+  /**
+   * Optional EIP-712 typed data payload for signing.
+   * Must be JSON-serializable and include required EIP-712 fields.
+   */
+  typedData: optional(
+    type({
+      types: record(
+        string(),
+        array(
+          type({
+            name: string(),
+            type: string(),
+          }),
+        ),
+      ),
+      primaryType: string(),
+      domain: any(),
+      message: any(),
+    }),
+  ),
 });
 
 export const QuoteSchema = type({
diff --git a/packages/bridge-status-controller/CHANGELOG.md b/packages/bridge-status-controller/CHANGELOG.md
index 5407cce1f01..75d1b1c4787 100644
--- a/packages/bridge-status-controller/CHANGELOG.md
+++ b/packages/bridge-status-controller/CHANGELOG.md
@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Bump `@metamask/bridge-controller` from `^67.1.1` to `^67.2.0` ([#8024](https://github.com/MetaMask/core/pull/8024))
 - Bump `@metamask/transaction-controller` from `^62.17.1` to `^62.19.0` ([#8005](https://github.com/MetaMask/core/pull/8005), [#8031](https://github.com/MetaMask/core/pull/8031))
+- Make `submitIntent` sign intent typed data internally when signature is not provided, keeping support for externally provided signatures.
 
 ## [67.0.1]
 
diff --git a/packages/bridge-status-controller/src/bridge-status-controller.intent.test.ts b/packages/bridge-status-controller/src/bridge-status-controller.intent.test.ts
index 30db8d7444a..d50cf55c88e 100644
--- a/packages/bridge-status-controller/src/bridge-status-controller.intent.test.ts
+++ b/packages/bridge-status-controller/src/bridge-status-controller.intent.test.ts
@@ -535,6 +535,73 @@ describe('BridgeStatusController (intent swaps)', () => {
     consoleSpy.mockRestore();
   });
 
+  it('submitIntent: signs typedData when signature is not provided', async () => {
+    const { controller, messenger, accountAddress, submitIntentMock } = setup();
+
+    const orderUid = 'order-uid-signed-in-core-1';
+    submitIntentMock.mockResolvedValue({
+      id: orderUid,
+      status: IntentOrderStatus.SUBMITTED,
+      txHash: undefined,
+      metadata: { txHashes: [] },
+    });
+
+    const quoteResponse = minimalIntentQuoteResponse();
+    quoteResponse.quote.intent.typedData = {
+      types: {},
+      primaryType: 'Order',
+      domain: {},
+      message: {},
+    };
+
+    const originalCallImpl = (
+      messenger.call as jest.Mock
+    ).getMockImplementation();
+    (messenger.call as jest.Mock).mockImplementation(
+      (method: string, ...args: any[]) => {
+        if (method === 'KeyringController:signTypedMessage') {
+          return '0xautosigned';
+        }
+        return originalCallImpl?.(method, ...args);
+      },
+    );
+
+    await controller.submitIntent({
+      quoteResponse,
+      accountAddress,
+    });
+
+    expect((messenger.call as jest.Mock).mock.calls).toStrictEqual(
+      expect.arrayContaining([
+        [
+          'KeyringController:signTypedMessage',
+          expect.objectContaining({
+            from: accountAddress,
+            data: quoteResponse.quote.intent.typedData,
+          }),
+          'V4',
+        ],
+      ]),
+    );
+
+    expect(submitIntentMock.mock.calls[0]?.[0]?.signature).toBe('0xautosigned');
+  });
+
+  it('submitIntent: throws when signature and typedData are both missing', async () => {
+    const { controller, accountAddress, submitIntentMock } = setup();
+
+    const quoteResponse = minimalIntentQuoteResponse();
+
+    await expect(
+      controller.submitIntent({
+        quoteResponse,
+        accountAddress,
+      }),
+    ).rejects.toThrow('submitIntent: missing intent typedData');
+
+    expect(submitIntentMock).not.toHaveBeenCalled();
+  });
+
   it('intent polling: updates history, merges tx hashes, updates TC tx, and stops polling on COMPLETED', async () => {
     const {
       controller,
diff --git a/packages/bridge-status-controller/src/bridge-status-controller.ts b/packages/bridge-status-controller/src/bridge-status-controller.ts
index bedf40bffb6..7026947bd9a 100644
--- a/packages/bridge-status-controller/src/bridge-status-controller.ts
+++ b/packages/bridge-status-controller/src/bridge-status-controller.ts
@@ -38,7 +38,7 @@ import type {
   TransactionParams,
 } from '@metamask/transaction-controller';
 import { numberToHex } from '@metamask/utils';
-import type { Hex } from '@metamask/utils';
+import type { Hex, Json } from '@metamask/utils';
 
 import { IntentStatusManager } from './bridge-status-controller.intent';
 import {
@@ -1601,18 +1601,23 @@ export class BridgeStatusController extends StaticIntervalPollingController<Brid
    *
    * @param params - Object containing intent submission parameters
    * @param params.quoteResponse - Quote carrying intent data
-   * @param params.signature - Hex signature produced by eth_signTypedData_v4
+   * @param params.signature - Optional precomputed signature (if omitted, it is signed via KeyringController)
    * @param params.accountAddress - The EOA submitting the order
    * @param params.location - The entry point from which the user initiated the swap or bridge
    * @returns A lightweight TransactionMeta-like object for history linking
    */
   submitIntent = async (params: {
     quoteResponse: QuoteResponse<TxData | string> & QuoteMetadata;
-    signature: string;
+    signature?: string;
     accountAddress: string;
     location?: MetaMetricsSwapsEventSource;
   }): Promise<Pick<TransactionMeta, 'id' | 'chainId' | 'type' | 'status'>> => {
-    const { quoteResponse, signature, accountAddress, location } = params;
+    const {
+      quoteResponse,
+      signature: precomputedSignature,
+      accountAddress,
+      location,
+    } = params;
 
     this.messenger.call(
       'BridgeController:stopPollingForQuotes',
@@ -1662,6 +1667,22 @@ export class BridgeStatusController extends StaticIntervalPollingController<Brid
 
       const { srcChainId: chainId, requestId } = quoteResponse.quote;
 
+      const signature =
+        precomputedSignature ??
+        (await ((): Promise<string> => {
+          if (!intent.typedData) {
+            throw new Error('submitIntent: missing intent typedData');
+          }
+          return this.messenger.call(
+            'KeyringController:signTypedMessage',
+            {
+              from: accountAddress,
+              data: intent.typedData as unknown as Json,
+            },
+            'V4',
+          );
+        })());
+
       const submissionParams = {
         srcChainId: chainId.toString(),
         quoteId: requestId,
diff --git a/packages/bridge-status-controller/src/types.ts b/packages/bridge-status-controller/src/types.ts
index 12d4688e4c5..60469c577c1 100644
--- a/packages/bridge-status-controller/src/types.ts
+++ b/packages/bridge-status-controller/src/types.ts
@@ -30,7 +30,7 @@ import type {
   TransactionControllerTransactionFailedEvent,
   TransactionMeta,
 } from '@metamask/transaction-controller';
-import type { CaipAssetType } from '@metamask/utils';
+import type { CaipAssetType, Json } from '@metamask/utils';
 
 import type { BridgeStatusController } from './bridge-status-controller';
 import { BRIDGE_STATUS_CONTROLLER_NAME } from './constants';
@@ -290,6 +290,17 @@ export type BridgeStatusControllerEvents =
   | BridgeStatusControllerStateChangeEvent
   | BridgeStatusControllerDestinationTransactionCompletedEvent;
 
+type KeyringControllerSignTypedMessageAction = {
+  type: 'KeyringController:signTypedMessage';
+  handler: (
+    msgParams: {
+      from: string;
+      data: Json;
+    },
+    version: 'V1' | 'V3' | 'V4',
+  ) => Promise<string>;
+};
+
 /**
  * The external actions available to the BridgeStatusController.
  */
@@ -304,7 +315,8 @@ type AllowedActions =
   | GetGasFeeState
   | AccountsControllerGetAccountByAddressAction
   | RemoteFeatureFlagControllerGetStateAction
-  | AuthenticationControllerGetBearerTokenAction;
+  | AuthenticationControllerGetBearerTokenAction
+  | KeyringControllerSignTypedMessageAction;
 
 /**
  * The external events available to the BridgeStatusController.