diff --git a/src/Optivem.Kata.Banking.Infrastructure/BankAccountRepository.cs b/src/Optivem.Kata.Banking.Infrastructure/BankAccountRepository.cs
new file mode 100644
index 0000000..1f669cd
--- /dev/null
+++ b/src/Optivem.Kata.Banking.Infrastructure/BankAccountRepository.cs
@@ -0,0 +1,28 @@
+using Optivem.Kata.Banking.Core.Domain.BankAccounts;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Optivem.Kata.Banking.Infrastructure
+{
+    public class BankAccountRepository : IBankAccountRepository
+    {
+        public void Add(BankAccount bankAccount)
+        {
+            throw new NotImplementedException();
+        }
+
+        public Task<BankAccount?> GetByAccountNumberAsync(AccountNumber accountNumber)
+        {
+            var bankAccount = (BankAccount?) null;
+            return Task.FromResult(bankAccount);
+        }
+
+        public void Update(BankAccount bankAccount)
+        {
+            throw new NotImplementedException();
+        }
+    }
+}
diff --git a/test/Optivem.Kata.Banking.Test/Infrastructure/BankAccountRepositoryTest.cs b/test/Optivem.Kata.Banking.Test/Infrastructure/BankAccountRepositoryTest.cs
new file mode 100644
index 0000000..697325f
--- /dev/null
+++ b/test/Optivem.Kata.Banking.Test/Infrastructure/BankAccountRepositoryTest.cs
@@ -0,0 +1,34 @@
+using FluentAssertions;
+using Optivem.Kata.Banking.Core.Domain.BankAccounts;
+using Optivem.Kata.Banking.Infrastructure;
+using Optivem.Kata.Banking.Test.Common.Builders.Entities;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Xunit;
+
+namespace Optivem.Kata.Banking.Test.Infrastructure
+{
+    public class BankAccountRepositoryTest
+    {
+        private readonly BankAccountRepository _repository;
+
+        public BankAccountRepositoryTest()
+        {
+            _repository = new BankAccountRepository();
+        }
+
+        [Fact]
+        public async Task Should_return_null_given_non_existent_account_number()
+        {
+            var accountNumber = AccountNumber.From(BankAccountDefaults.DefaultAccountNumber);
+
+            // TODO: VC: Refactor name
+            var bankAccount = await _repository.GetByAccountNumberAsync(accountNumber);
+
+            bankAccount.Should().BeNull();
+        } 
+    }
+}