diff --git a/packages/web-extension/src/walletManager/SigningCoordinator/SigningCoordinator.ts b/packages/web-extension/src/walletManager/SigningCoordinator/SigningCoordinator.ts
index 4760d338548..b78b7a860e5 100644
--- a/packages/web-extension/src/walletManager/SigningCoordinator/SigningCoordinator.ts
+++ b/packages/web-extension/src/walletManager/SigningCoordinator/SigningCoordinator.ts
@@ -1,7 +1,7 @@
+import { AnyBip32Wallet, Bip32WalletAccount, InMemoryWallet, WalletType } from '../types';
 import { Cardano, Serialization } from '@cardano-sdk/core';
 import { Cip30DataSignature } from '@cardano-sdk/dapp-connector';
 import { CustomError } from 'ts-custom-error';
-import { InMemoryWallet, WalletType } from '../types';
 import { KeyAgent, KeyPurpose, SignDataContext, TrezorConfig, errors } from '@cardano-sdk/key-management';
 import { KeyAgentFactory } from './KeyAgentFactory';
 import { Logger } from 'ts-log';
@@ -83,6 +83,24 @@ export class SigningCoordinator<WalletMetadata extends {}, AccountMetadata exten
     this.#logger = contextLogger(logger, 'SigningCoordinator');
   }
 
+  /**
+   * Gets the appropriate TrezorConfig for the given wallet.
+   *
+   * This allows wallets to specify only the properties they want to override
+   *    (e.g., derivationType) while inheriting global settings (e.g., communicationType, manifest)
+   */
+  #getTrezorConfig(wallet: AnyBip32Wallet<WalletMetadata, AccountMetadata>): TrezorConfig {
+    const trezorConfig =
+      wallet.type === WalletType.Trezor && 'trezorConfig' in wallet.metadata
+        ? (wallet.metadata as { trezorConfig?: Partial<TrezorConfig> }).trezorConfig
+        : undefined;
+
+    return {
+      ...this.#hwOptions, // Global defaults (communicationType, manifest, etc.)
+      ...(trezorConfig || {}) // Wallet-specific overrides (derivationType, etc.)
+    };
+  }
+
   async signTransaction(
     { tx, signContext, options }: SignTransactionProps,
     requestContext: RequestContext<WalletMetadata, AccountMetadata>
@@ -127,11 +145,8 @@ export class SigningCoordinator<WalletMetadata extends {}, AccountMetadata exten
       if (!emitter$.observed) {
         return reject(new WrongTargetError('Not expecting sign requests at this time'));
       }
-      const account = request.requestContext.wallet.accounts.find(
-        ({ accountIndex, purpose = KeyPurpose.STANDARD }) =>
-          accountIndex === request.requestContext.accountIndex && request.requestContext.purpose === purpose
-      );
 
+      const account = this.#findAccount(request);
       if (!account) {
         return reject(
           new errors.ProofGenerationError(
@@ -144,67 +159,107 @@ export class SigningCoordinator<WalletMetadata extends {}, AccountMetadata exten
         ...request,
         reject: async (reason: string) => reject(new errors.AuthenticationError(reason))
       };
-      emitter$.next(
+
+      const signRequest =
         request.walletType === WalletType.InMemory
-          ? ({
-              ...commonRequestProps,
-              sign: async (passphrase: Uint8Array, options?: SignOptions) =>
-                bubbleResolveReject(
-                  async () => {
-                    const wallet = request.requestContext.wallet as InMemoryWallet<WalletMetadata, AccountMetadata>;
-                    try {
-                      const result = await sign(
-                        await this.#keyAgentFactory.InMemory({
-                          accountIndex: account.accountIndex,
-                          chainId: request.requestContext.chainId,
-                          encryptedRootPrivateKeyBytes: [
-                            ...Buffer.from(wallet.encryptedSecrets.rootPrivateKeyBytes, 'hex')
-                          ],
-                          extendedAccountPublicKey: account.extendedAccountPublicKey,
-                          getPassphrase: async () => passphrase,
-                          purpose: account.purpose || KeyPurpose.STANDARD
-                        })
-                      );
-                      clearPassphrase(passphrase);
-                      return result;
-                    } catch (error) {
-                      clearPassphrase(passphrase);
-                      return throwMaybeWrappedWithNoRejectError(error, options);
-                    }
-                  },
-                  resolve,
-                  reject
-                ),
-              walletType: request.walletType
-            } as Req)
-          : ({
-              ...commonRequestProps,
-              sign: async (): Promise<R> =>
-                bubbleResolveReject(
-                  async (options?: SignOptions) =>
-                    sign(
-                      request.walletType === WalletType.Ledger
-                        ? await this.#keyAgentFactory.Ledger({
-                            accountIndex: request.requestContext.accountIndex,
-                            chainId: request.requestContext.chainId,
-                            communicationType: this.#hwOptions.communicationType,
-                            extendedAccountPublicKey: account.extendedAccountPublicKey,
-                            purpose: account.purpose || KeyPurpose.STANDARD
-                          })
-                        : await this.#keyAgentFactory.Trezor({
-                            accountIndex: request.requestContext.accountIndex,
-                            chainId: request.requestContext.chainId,
-                            extendedAccountPublicKey: account.extendedAccountPublicKey,
-                            purpose: account.purpose || KeyPurpose.STANDARD,
-                            trezorConfig: this.#hwOptions
-                          })
-                    ).catch((error) => throwMaybeWrappedWithNoRejectError(error, options)),
-                  resolve,
-                  reject
-                ),
-              walletType: request.walletType
-            } as Req)
-      );
+          ? this.#createInMemorySignRequest(commonRequestProps, account, sign, resolve, reject)
+          : this.#createHardwareSignRequest(commonRequestProps, account, sign, resolve, reject);
+
+      emitter$.next(signRequest);
+    });
+  }
+
+  #findAccount(request: { requestContext: RequestContext<WalletMetadata, AccountMetadata> }) {
+    return request.requestContext.wallet.accounts.find(
+      ({ accountIndex, purpose = KeyPurpose.STANDARD }) =>
+        accountIndex === request.requestContext.accountIndex && request.requestContext.purpose === purpose
+    );
+  }
+
+  #createInMemorySignRequest<R, Req extends RequestBase<WalletMetadata, AccountMetadata> & SignRequest<R>>(
+    commonRequestProps: Omit<Req, 'reject' | 'sign'>,
+    account: Bip32WalletAccount<AccountMetadata>,
+    sign: (keyAgent: KeyAgent) => Promise<R>,
+    resolve: (result: R | Promise<R>) => void,
+    reject: (error: unknown) => void
+  ): Req {
+    return {
+      ...commonRequestProps,
+      sign: async (passphrase: Uint8Array, options?: SignOptions) =>
+        bubbleResolveReject(
+          async () => {
+            const wallet = commonRequestProps.requestContext.wallet as InMemoryWallet<WalletMetadata, AccountMetadata>;
+            try {
+              const result = await sign(
+                await this.#keyAgentFactory.InMemory({
+                  accountIndex: account.accountIndex,
+                  chainId: commonRequestProps.requestContext.chainId,
+                  encryptedRootPrivateKeyBytes: [...Buffer.from(wallet.encryptedSecrets.rootPrivateKeyBytes, 'hex')],
+                  extendedAccountPublicKey: account.extendedAccountPublicKey,
+                  getPassphrase: async () => passphrase,
+                  purpose: account.purpose || KeyPurpose.STANDARD
+                })
+              );
+              clearPassphrase(passphrase);
+              return result;
+            } catch (error) {
+              clearPassphrase(passphrase);
+              return throwMaybeWrappedWithNoRejectError(error, options);
+            }
+          },
+          resolve,
+          reject
+        ),
+      walletType: commonRequestProps.walletType
+    } as Req;
+  }
+
+  #createHardwareSignRequest<R, Req extends RequestBase<WalletMetadata, AccountMetadata> & SignRequest<R>>(
+    commonRequestProps: Omit<Req, 'reject' | 'sign'>,
+    account: Bip32WalletAccount<AccountMetadata>,
+    sign: (keyAgent: KeyAgent) => Promise<R>,
+    resolve: (result: R | Promise<R>) => void,
+    reject: (error: unknown) => void
+  ): Req {
+    return {
+      ...commonRequestProps,
+      sign: async (): Promise<R> =>
+        bubbleResolveReject(
+          async (options?: SignOptions) => {
+            try {
+              const keyAgent = await this.#createHardwareKeyAgent(commonRequestProps, account);
+              return await sign(keyAgent);
+            } catch (error) {
+              return throwMaybeWrappedWithNoRejectError(error, options);
+            }
+          },
+          resolve,
+          reject
+        ),
+      walletType: commonRequestProps.walletType
+    } as Req;
+  }
+
+  async #createHardwareKeyAgent(
+    request: { requestContext: RequestContext<WalletMetadata, AccountMetadata>; walletType: WalletType },
+    account: Bip32WalletAccount<AccountMetadata>
+  ): Promise<KeyAgent> {
+    if (request.walletType === WalletType.Ledger) {
+      return await this.#keyAgentFactory.Ledger({
+        accountIndex: request.requestContext.accountIndex,
+        chainId: request.requestContext.chainId,
+        communicationType: this.#hwOptions.communicationType,
+        extendedAccountPublicKey: account.extendedAccountPublicKey,
+        purpose: account.purpose || KeyPurpose.STANDARD
+      });
+    }
+
+    return await this.#keyAgentFactory.Trezor({
+      accountIndex: request.requestContext.accountIndex,
+      chainId: request.requestContext.chainId,
+      extendedAccountPublicKey: account.extendedAccountPublicKey,
+      purpose: account.purpose || KeyPurpose.STANDARD,
+      trezorConfig: this.#getTrezorConfig(request.requestContext.wallet)
     });
   }
 }
diff --git a/packages/web-extension/src/walletManager/types.ts b/packages/web-extension/src/walletManager/types.ts
index cadd6dab8ee..59a0ad7fc00 100644
--- a/packages/web-extension/src/walletManager/types.ts
+++ b/packages/web-extension/src/walletManager/types.ts
@@ -1,4 +1,4 @@
-import { AccountKeyDerivationPath, KeyPurpose } from '@cardano-sdk/key-management';
+import { AccountKeyDerivationPath, KeyPurpose, TrezorConfig } from '@cardano-sdk/key-management';
 import { Bip32PublicKeyHex } from '@cardano-sdk/crypto';
 import { Cardano } from '@cardano-sdk/core';
 import { HexBlob } from '@cardano-sdk/util';
@@ -29,13 +29,24 @@ export type Bip32Wallet<WalletMetadata extends {}, AccountMetadata extends {}> =
   blockchainName?: Blockchain;
 };
 
-export type HardwareWallet<WalletMetadata extends {}, AccountMetadata extends {}> = Bip32Wallet<
+export type LedgerHardwareWallet<WalletMetadata extends {}, AccountMetadata extends {}> = Bip32Wallet<
   WalletMetadata,
   AccountMetadata
 > & {
-  type: WalletType.Ledger | WalletType.Trezor;
+  type: WalletType.Ledger;
 };
 
+export type TrezorHardwareWallet<
+  WalletMetadata extends { trezorConfig?: Partial<TrezorConfig> },
+  AccountMetadata extends {}
+> = Bip32Wallet<WalletMetadata, AccountMetadata> & {
+  type: WalletType.Trezor;
+};
+
+export type HardwareWallet<WalletMetadata extends {}, AccountMetadata extends {}> =
+  | LedgerHardwareWallet<WalletMetadata, AccountMetadata>
+  | TrezorHardwareWallet<WalletMetadata, AccountMetadata>;
+
 export type InMemoryWallet<WalletMetadata extends {}, AccountMetadata extends {}> = Bip32Wallet<
   WalletMetadata,
   AccountMetadata
diff --git a/packages/web-extension/test/walletManager/SigningCoordinator.test.ts b/packages/web-extension/test/walletManager/SigningCoordinator.test.ts
index 1b86a6ff373..c070ba41c77 100644
--- a/packages/web-extension/test/walletManager/SigningCoordinator.test.ts
+++ b/packages/web-extension/test/walletManager/SigningCoordinator.test.ts
@@ -4,21 +4,25 @@ import {
   CommunicationType,
   InMemoryKeyAgent,
   KeyPurpose,
+  MasterKeyGeneration,
   SignDataContext,
   SignTransactionContext,
+  TrezorConfig,
   cip8,
   errors
 } from '@cardano-sdk/key-management';
 import { Ed25519PublicKeyHex, Ed25519SignatureHex, Hash28ByteBase16 } from '@cardano-sdk/crypto';
-import { HexBlob } from '@cardano-sdk/util';
 import {
+  HardwareWallet,
   InMemoryWallet,
   KeyAgentFactory,
   RequestContext,
+  SignOptions,
   SigningCoordinator,
   WalletType,
   WrongTargetError
 } from '../../src';
+import { HexBlob } from '@cardano-sdk/util';
 import { createAccount } from './util';
 import { dummyLogger } from 'ts-log';
 import { firstValueFrom } from 'rxjs';
@@ -73,7 +77,9 @@ describe('SigningCoordinator', () => {
       signCip8Data: jest.fn(),
       signTransaction: jest.fn()
     } as unknown as jest.Mocked<InMemoryKeyAgent>;
+
     keyAgentFactory.InMemory.mockResolvedValue(keyAgent);
+    keyAgentFactory.Trezor.mockResolvedValue(keyAgent as unknown as Awaited<ReturnType<KeyAgentFactory['Trezor']>>);
   });
 
   describe('signTransaction', () => {
@@ -171,6 +177,62 @@ describe('SigningCoordinator', () => {
         expect(passphrase).toEqual(new Uint8Array([0, 0, 0]));
       });
     });
+
+    it('should pass wallet trezorConfig to Trezor key agent factory', async () => {
+      const trezorWallet: HardwareWallet<{ trezorConfig?: Partial<TrezorConfig> }, {}> = {
+        accounts: [createAccount(0, 0)],
+        metadata: {
+          trezorConfig: {
+            communicationType: CommunicationType.Web,
+            derivationType: 'ICARUS_TREZOR' as MasterKeyGeneration,
+            manifest: {
+              appUrl: 'https://custom.app',
+              email: 'custom@custom.app'
+            }
+          }
+        },
+        type: WalletType.Trezor,
+        walletId: Hash28ByteBase16('ad63f855e831d937457afc52a21a7f351137e4a9fff26c217817335a')
+      };
+
+      const trezorRequestContext: RequestContext<{}, {}> = {
+        accountIndex: 0,
+        chainId: Cardano.ChainIds.Preprod,
+        purpose: KeyPurpose.STANDARD,
+        wallet: trezorWallet
+      };
+
+      // Test that the Trezor factory is called with merged config
+      const reqEmitted = firstValueFrom(signingCoordinator.transactionWitnessRequest$);
+      void signingCoordinator.signTransaction({ signContext, tx }, trezorRequestContext);
+      const req = await reqEmitted;
+
+      // Verify the request was created
+      expect(req.walletType).toBe(WalletType.Trezor);
+      expect(req.requestContext.wallet).toBe(trezorWallet);
+
+      // Now call sign() to trigger the key agent factory call
+      // Cast to hardware wallet request type to access the correct sign method
+      const hardwareReq = req as { sign(options?: SignOptions): Promise<Cardano.Signatures> };
+      await hardwareReq.sign({});
+
+      // Verify keyAgentFactory.Trezor was called with the correct merged configuration
+      expect(keyAgentFactory.Trezor).toHaveBeenCalledWith({
+        accountIndex: 0,
+        chainId: Cardano.ChainIds.Preprod,
+        extendedAccountPublicKey: expect.any(String),
+        purpose: KeyPurpose.STANDARD,
+        trezorConfig: {
+          // Wallet-specific overrides take precedence over global defaults
+          communicationType: CommunicationType.Web, // Wallet override
+          derivationType: 'ICARUS_TREZOR', // Wallet override
+          manifest: {
+            appUrl: 'https://custom.app', // Wallet override
+            email: 'custom@custom.app' // Wallet override
+          }
+        }
+      });
+    });
   });
 
   describe('signData', () => {