diff --git a/packages/signers/src/__tests__/sign-transaction-test.ts b/packages/signers/src/__tests__/sign-transaction-test.ts
index 30ee4cfcabc1..c341baedadbd 100644
--- a/packages/signers/src/__tests__/sign-transaction-test.ts
+++ b/packages/signers/src/__tests__/sign-transaction-test.ts
@@ -331,7 +331,7 @@ describe('signTransactionWithSigners', () => {
 
         // Then we expect an error letting us know the transaction is not fully signed.
         // This is because sending signers are ignored by signTransactionWithSigners.
-        await expect(promise).rejects.toThrow('Transaction is missing signature for address `2222`');
+        await expect(promise).rejects.toThrow('Transaction is missing signatures for addresses: 2222');
     });
 
     it('can be cancelled using an AbortSignal', async () => {
diff --git a/packages/transactions/src/__tests__/signatures-test.ts b/packages/transactions/src/__tests__/signatures-test.ts
index 00bebaf8735c..4419202161d1 100644
--- a/packages/transactions/src/__tests__/signatures-test.ts
+++ b/packages/transactions/src/__tests__/signatures-test.ts
@@ -279,7 +279,7 @@ describe('signTransaction', () => {
         expect.assertions(1);
         const signedTransactionPromise = signTransaction([mockKeyPairA], MOCK_TRANSACTION);
         await expect(signedTransactionPromise).rejects.toThrow(
-            `Transaction is missing signature for address \`${mockPublicKeyAddressB}\``,
+            `Transaction is missing signatures for addresses: ${mockPublicKeyAddressB}`,
         );
     });
     it('returns a transaction object having multiple signatures', async () => {
@@ -368,7 +368,26 @@ describe('assertTransactionIsFullySigned', () => {
         };
 
         expect(() => assertTransactionIsFullySigned(transaction)).toThrow(
-            'Transaction is missing signature for address `A`',
+            'Transaction is missing signatures for addresses: A',
+        );
+    });
+
+    it('throws all missing signers if the transaction has no signature for multiple signers', () => {
+        const transaction: SignedTransaction = {
+            feePayer: mockPublicKeyAddressA,
+            instructions: [
+                {
+                    accounts: [{ address: mockPublicKeyAddressB, role: AccountRole.READONLY_SIGNER }],
+                    programAddress: '11111111111111111111111111111111' as Address<'11111111111111111111111111111111'>,
+                },
+            ],
+            lifetimeConstraint: mockBlockhashConstraint,
+            signatures: {},
+            version: 0,
+        };
+
+        expect(() => assertTransactionIsFullySigned(transaction)).toThrow(
+            'Transaction is missing signatures for addresses: A, B',
         );
     });
 
@@ -394,7 +413,7 @@ describe('assertTransactionIsFullySigned', () => {
         };
 
         expect(() => assertTransactionIsFullySigned(transaction)).toThrow(
-            'Transaction is missing signature for address `B`',
+            'Transaction is missing signatures for addresses: B',
         );
     });
 
@@ -420,7 +439,7 @@ describe('assertTransactionIsFullySigned', () => {
         };
 
         expect(() => assertTransactionIsFullySigned(transaction)).toThrow(
-            'Transaction is missing signature for address `B`',
+            'Transaction is missing signatures for addresses: B',
         );
     });
 
@@ -456,7 +475,7 @@ describe('assertTransactionIsFullySigned', () => {
         };
 
         expect(() => assertTransactionIsFullySigned(transaction)).toThrow(
-            'Transaction is missing signature for address `C`',
+            'Transaction is missing signatures for addresses: C',
         );
     });
 
diff --git a/packages/transactions/src/signatures.ts b/packages/transactions/src/signatures.ts
index e34bbfcfbdf9..ef6d00419dfe 100644
--- a/packages/transactions/src/signatures.ts
+++ b/packages/transactions/src/signatures.ts
@@ -77,10 +77,15 @@ export function assertTransactionIsFullySigned<TTransaction extends CompilableTr
         .map(a => a.address);
     const requiredSigners = new Set([transaction.feePayer, ...signerAddressesFromInstructions]);
 
+    const missingSigs: Address[] = [];
     requiredSigners.forEach(address => {
         if (!transaction.signatures[address]) {
-            // TODO coded error
-            throw new Error(`Transaction is missing signature for address \`${address}\``);
+            missingSigs.push(address);
         }
     });
+
+    if (missingSigs.length > 0) {
+        // TODO coded error
+        throw new Error('Transaction is missing signatures for addresses: ' + missingSigs.join(', '));
+    }
 }