diff --git a/src/account/default.ts b/src/account/default.ts
index b355809b4..b591c2255 100644
--- a/src/account/default.ts
+++ b/src/account/default.ts
@@ -1,7 +1,7 @@
 import assert from 'minimalistic-assert';
 
 import { ZERO } from '../constants';
-import { Provider } from '../provider';
+import { Provider, ProviderInterface } from '../provider';
 import { BlockIdentifier } from '../provider/utils';
 import { Signer, SignerInterface } from '../signer';
 import {
@@ -33,9 +33,13 @@ import { AccountInterface } from './interface';
 export class Account extends Provider implements AccountInterface {
   public address: string;
 
-  private signer: SignerInterface;
+  public signer: SignerInterface;
 
-  constructor(provider: Provider, address: string, keyPairOrSigner: KeyPair | SignerInterface) {
+  constructor(
+    provider: ProviderInterface,
+    address: string,
+    keyPairOrSigner: KeyPair | SignerInterface
+  ) {
     super(provider);
     this.signer =
       'getPubKey' in keyPairOrSigner ? keyPairOrSigner : new Signer(keyPairOrSigner as KeyPair);
diff --git a/src/account/interface.ts b/src/account/interface.ts
index 91b4f9f88..c78aaa952 100644
--- a/src/account/interface.ts
+++ b/src/account/interface.ts
@@ -1,4 +1,5 @@
 import { ProviderInterface } from '../provider';
+import { SignerInterface } from '../signer';
 import {
   Abi,
   AddTransactionResponse,
@@ -15,6 +16,8 @@ import { TypedData } from '../utils/typedData/types';
 export abstract class AccountInterface extends ProviderInterface {
   public abstract address: string;
 
+  public abstract signer: SignerInterface;
+
   /**
    * Deploys a given compiled contract (json) to starknet
    *
diff --git a/src/provider/default.ts b/src/provider/default.ts
index 47b6a2173..eeee214ef 100644
--- a/src/provider/default.ts
+++ b/src/provider/default.ts
@@ -52,8 +52,10 @@ export class Provider implements ProviderInterface {
 
   public chainId: StarknetChainId;
 
-  constructor(optionsOrProvider: ProviderOptions | Provider = { network: 'goerli-alpha' }) {
-    if (optionsOrProvider instanceof Provider) {
+  constructor(
+    optionsOrProvider: ProviderOptions | ProviderInterface = { network: 'goerli-alpha' }
+  ) {
+    if (optionsOrProvider instanceof ProviderInterface) {
       this.baseUrl = optionsOrProvider.baseUrl;
       this.feederGatewayUrl = optionsOrProvider.feederGatewayUrl;
       this.gatewayUrl = optionsOrProvider.gatewayUrl;