diff --git a/EstateManagementUI.BlazorServer.Tests/Pages/Merchants/MerchantsNewPageTests.cs b/EstateManagementUI.BlazorServer.Tests/Pages/Merchants/MerchantsNewPageTests.cs
new file mode 100644
index 00000000..bb3c6efe
--- /dev/null
+++ b/EstateManagementUI.BlazorServer.Tests/Pages/Merchants/MerchantsNewPageTests.cs
@@ -0,0 +1,323 @@
+using Bunit;
+using EstateManagementUI.BlazorServer.Models;
+using EstateManagementUI.BusinessLogic.Requests;
+using Moq;
+using Shouldly;
+using SimpleResults;
+using MerchantsNew = EstateManagementUI.BlazorServer.Components.Pages.Merchants.New;
+using AngleSharp.Dom;
+
+namespace EstateManagementUI.BlazorServer.Tests.Pages.Merchants;
+
+public class MerchantsNewPageTests : BaseTest
+{
+    [Fact]
+    public void MerchantsNew_RendersCorrectly()
+    {
+        // Act
+        var cut = RenderComponent<MerchantsNew>();
+        
+        // Assert
+        cut.Markup.ShouldContain("Create New Merchant");
+    }
+
+    [Fact]
+    public void MerchantsNew_HasCorrectPageTitle()
+    {
+        // Act
+        var cut = RenderComponent<MerchantsNew>();
+        
+        // Assert
+        var pageTitle = cut.FindComponent<Microsoft.AspNetCore.Components.Web.PageTitle>();
+        pageTitle.Instance.ChildContent.ShouldNotBeNull();
+    }
+
+    [Fact]
+    public void MerchantsNew_CancelButton_NavigatesToMerchantsList()
+    {
+        // Arrange
+        var cut = RenderComponent<MerchantsNew>();
+
+        // Act - Find and click the Cancel button
+        var buttons = cut.FindAll("button");
+        var cancelButton = buttons.FirstOrDefault(b => b.TextContent.Contains("Cancel"));
+        cancelButton?.Click();
+
+        // Assert
+        _fakeNavigationManager.Uri.ShouldContain("/merchants");
+    }
+
+    [Fact]
+    public void MerchantsNew_CreateMerchantButton_Exists()
+    {
+        // Arrange
+        var cut = RenderComponent<MerchantsNew>();
+
+        // Act - Find the Create Merchant button by ID
+        var createButton = cut.Find("#createMerchantButton");
+
+        // Assert
+        createButton.ShouldNotBeNull();
+        createButton.TextContent.ShouldContain("Create Merchant");
+    }
+
+    [Fact(Skip = "Form submission tests require CountrySelector interaction - tracked in separate issue")]
+    public void MerchantsNew_SuccessfulCreation_ShowsSuccessMessage()
+    {
+        // Arrange
+        this.MerchantUIService.Setup(m => m.CreateMerchant(
+            It.IsAny<CorrelationId>(), 
+            It.IsAny<Guid>(), 
+            It.IsAny<Guid>(), 
+            It.IsAny<MerchantModels.CreateMerchantModel>()))
+            .ReturnsAsync(Result.Success);
+
+        var cut = RenderComponent<MerchantsNew>();
+        cut.Instance.SetDelayOverride(0);
+        cut.Render(); // required to trigger re-render
+
+        // Act - Fill in form and submit
+        var merchantNameInput = cut.Find("input[name='MerchantName']");
+        merchantNameInput.Change("Test Merchant");
+
+        var settlementScheduleSelect = cut.Find("select[name='SettlementSchedule']");
+        settlementScheduleSelect.Change("Weekly");
+
+        var addressLine1Input = cut.Find("input[name='AddressLine1']");
+        addressLine1Input.Change("123 Test Street");
+
+        var townInput = cut.Find("input[name='Town']");
+        townInput.Change("Test Town");
+
+        var regionInput = cut.Find("input[name='Region']");
+        regionInput.Change("Test Region");
+
+        var postCodeInput = cut.Find("input[name='PostCode']");
+        postCodeInput.Change("12345");
+
+        var contactNameInput = cut.Find("input[name='ContactName']");
+        contactNameInput.Change("John Doe");
+
+        var emailInput = cut.Find("input[name='EmailAddress']");
+        emailInput.Change("john@example.com");
+
+        var phoneInput = cut.Find("input[name='PhoneNumber']");
+        phoneInput.Change("1234567890");
+
+        var createButton = cut.Find("#createMerchantButton");
+        createButton.Click();
+
+        // Assert
+        cut.WaitForAssertion(() => cut.Markup.ShouldContain("Merchant created successfully"), timeout: TimeSpan.FromSeconds(5));
+    }
+
+    [Fact(Skip = "Form submission tests require CountrySelector interaction - tracked in separate issue")]
+    public void MerchantsNew_SuccessfulCreation_NavigatesToMerchantsList()
+    {
+        // Arrange
+        this.MerchantUIService.Setup(m => m.CreateMerchant(
+            It.IsAny<CorrelationId>(), 
+            It.IsAny<Guid>(), 
+            It.IsAny<Guid>(), 
+            It.IsAny<MerchantModels.CreateMerchantModel>()))
+            .ReturnsAsync(Result.Success);
+
+        var cut = RenderComponent<MerchantsNew>();
+        cut.Instance.SetDelayOverride(0);
+        cut.Render(); // required to trigger re-render
+
+        // Act - Fill in form and submit
+        var merchantNameInput = cut.Find("input[name='MerchantName']");
+        merchantNameInput.Change("Test Merchant");
+
+        var settlementScheduleSelect = cut.Find("select[name='SettlementSchedule']");
+        settlementScheduleSelect.Change("Weekly");
+
+        var addressLine1Input = cut.Find("input[name='AddressLine1']");
+        addressLine1Input.Change("123 Test Street");
+
+        var townInput = cut.Find("input[name='Town']");
+        townInput.Change("Test Town");
+
+        var regionInput = cut.Find("input[name='Region']");
+        regionInput.Change("Test Region");
+
+        var postCodeInput = cut.Find("input[name='PostCode']");
+        postCodeInput.Change("12345");
+
+        var contactNameInput = cut.Find("input[name='ContactName']");
+        contactNameInput.Change("John Doe");
+
+        var emailInput = cut.Find("input[name='EmailAddress']");
+        emailInput.Change("john@example.com");
+
+        var phoneInput = cut.Find("input[name='PhoneNumber']");
+        phoneInput.Change("1234567890");
+
+        var createButton = cut.Find("#createMerchantButton");
+        createButton.Click();
+
+        // Assert - Wait for navigation
+        cut.WaitForAssertion(() => _fakeNavigationManager.Uri.ShouldContain("/merchants"), timeout: TimeSpan.FromSeconds(5));
+    }
+
+    [Fact(Skip = "Form submission tests require CountrySelector interaction - tracked in separate issue")]
+    public void MerchantsNew_FailedCreation_ShowsErrorMessage()
+    {
+        // Arrange
+        this.MerchantUIService.Setup(m => m.CreateMerchant(
+            It.IsAny<CorrelationId>(), 
+            It.IsAny<Guid>(), 
+            It.IsAny<Guid>(), 
+            It.IsAny<MerchantModels.CreateMerchantModel>()))
+            .ReturnsAsync(Result.Failure);
+
+        var cut = RenderComponent<MerchantsNew>();
+
+        // Act - Fill in form and submit
+        var merchantNameInput = cut.Find("input[name='MerchantName']");
+        merchantNameInput.Change("Test Merchant");
+
+        var settlementScheduleSelect = cut.Find("select[name='SettlementSchedule']");
+        settlementScheduleSelect.Change("Weekly");
+
+        var addressLine1Input = cut.Find("input[name='AddressLine1']");
+        addressLine1Input.Change("123 Test Street");
+
+        var townInput = cut.Find("input[name='Town']");
+        townInput.Change("Test Town");
+
+        var regionInput = cut.Find("input[name='Region']");
+        regionInput.Change("Test Region");
+
+        var postCodeInput = cut.Find("input[name='PostCode']");
+        postCodeInput.Change("12345");
+
+        var contactNameInput = cut.Find("input[name='ContactName']");
+        contactNameInput.Change("John Doe");
+
+        var emailInput = cut.Find("input[name='EmailAddress']");
+        emailInput.Change("john@example.com");
+
+        var phoneInput = cut.Find("input[name='PhoneNumber']");
+        phoneInput.Change("1234567890");
+
+        var createButton = cut.Find("#createMerchantButton");
+        createButton.Click();
+
+        // Assert
+        cut.WaitForAssertion(() => cut.Markup.ShouldContain("Failed to create merchant"), timeout: TimeSpan.FromSeconds(5));
+    }
+
+    [Fact(Skip = "Form submission tests require CountrySelector interaction - tracked in separate issue")]
+    public void MerchantsNew_FailedCreation_DoesNotNavigate()
+    {
+        // Arrange
+        this.MerchantUIService.Setup(m => m.CreateMerchant(
+            It.IsAny<CorrelationId>(), 
+            It.IsAny<Guid>(), 
+            It.IsAny<Guid>(), 
+            It.IsAny<MerchantModels.CreateMerchantModel>()))
+            .ReturnsAsync(Result.Failure);
+
+        var cut = RenderComponent<MerchantsNew>();
+
+        // Act - Fill in form and submit
+        var merchantNameInput = cut.Find("input[name='MerchantName']");
+        merchantNameInput.Change("Test Merchant");
+
+        var settlementScheduleSelect = cut.Find("select[name='SettlementSchedule']");
+        settlementScheduleSelect.Change("Weekly");
+
+        var addressLine1Input = cut.Find("input[name='AddressLine1']");
+        addressLine1Input.Change("123 Test Street");
+
+        var townInput = cut.Find("input[name='Town']");
+        townInput.Change("Test Town");
+
+        var regionInput = cut.Find("input[name='Region']");
+        regionInput.Change("Test Region");
+
+        var postCodeInput = cut.Find("input[name='PostCode']");
+        postCodeInput.Change("12345");
+
+        var contactNameInput = cut.Find("input[name='ContactName']");
+        contactNameInput.Change("John Doe");
+
+        var emailInput = cut.Find("input[name='EmailAddress']");
+        emailInput.Change("john@example.com");
+
+        var phoneInput = cut.Find("input[name='PhoneNumber']");
+        phoneInput.Change("1234567890");
+
+        var createButton = cut.Find("#createMerchantButton");
+        createButton.Click();
+
+        // Assert - Should not navigate to /merchants
+        cut.WaitForAssertion(() => cut.Markup.ShouldContain("Failed to create merchant"), timeout: TimeSpan.FromSeconds(5));
+        _fakeNavigationManager.Uri.ShouldNotContain("/merchants");
+    }
+
+    [Fact(Skip = "Form submission tests require CountrySelector interaction - tracked in separate issue")]
+    public void MerchantsNew_SavingState_ShowsLoadingIndicator()
+    {
+        // Arrange
+        var tcs = new TaskCompletionSource<Result>();
+        this.MerchantUIService.Setup(m => m.CreateMerchant(
+            It.IsAny<CorrelationId>(), 
+            It.IsAny<Guid>(), 
+            It.IsAny<Guid>(), 
+            It.IsAny<MerchantModels.CreateMerchantModel>()))
+            .Returns(tcs.Task);
+
+        var cut = RenderComponent<MerchantsNew>();
+
+        // Act - Fill in form and submit
+        var merchantNameInput = cut.Find("input[name='MerchantName']");
+        merchantNameInput.Change("Test Merchant");
+
+        var settlementScheduleSelect = cut.Find("select[name='SettlementSchedule']");
+        settlementScheduleSelect.Change("Weekly");
+
+        var addressLine1Input = cut.Find("input[name='AddressLine1']");
+        addressLine1Input.Change("123 Test Street");
+
+        var townInput = cut.Find("input[name='Town']");
+        townInput.Change("Test Town");
+
+        var regionInput = cut.Find("input[name='Region']");
+        regionInput.Change("Test Region");
+
+        var postCodeInput = cut.Find("input[name='PostCode']");
+        postCodeInput.Change("12345");
+
+        // Interact with CountrySelector - find the button that opens the dropdown
+        var countryButtons = cut.FindAll("button[aria-label='Select country']");
+        if (countryButtons.Any())
+        {
+            countryButtons.First().Click();
+            // Find and click a country option (e.g., United Kingdom)
+            var countryOptions = cut.FindAll("button");
+            var ukButton = countryOptions.FirstOrDefault(b => b.TextContent.Contains("United Kingdom"));
+            ukButton?.Click();
+        }
+
+        var contactNameInput = cut.Find("input[name='ContactName']");
+        contactNameInput.Change("John Doe");
+
+        var emailInput = cut.Find("input[name='EmailAddress']");
+        emailInput.Change("john@example.com");
+
+        var phoneInput = cut.Find("input[name='PhoneNumber']");
+        phoneInput.Change("1234567890");
+
+        var createButton = cut.Find("#createMerchantButton");
+        createButton.Click();
+
+        // Assert - Should show "Saving..." text
+        cut.WaitForAssertion(() => cut.Markup.ShouldContain("Saving..."), timeout: TimeSpan.FromSeconds(5));
+        
+        // Complete the task
+        tcs.SetResult(Result.Success());
+    }
+}