diff --git a/Services/CO.CDP.Organisation.WebApi.Tests/UseCase/RegisterOrganisationUseCaseTest.cs b/Services/CO.CDP.Organisation.WebApi.Tests/UseCase/RegisterOrganisationUseCaseTest.cs
index bb5ae7c4e..720a55fdf 100644
--- a/Services/CO.CDP.Organisation.WebApi.Tests/UseCase/RegisterOrganisationUseCaseTest.cs
+++ b/Services/CO.CDP.Organisation.WebApi.Tests/UseCase/RegisterOrganisationUseCaseTest.cs
@@ -10,6 +10,7 @@
 using CO.CDP.OrganisationInformation.Persistence;
 using FluentAssertions;
 using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Logging;
 using Moq;
 using Persistence = CO.CDP.OrganisationInformation.Persistence;
 
@@ -22,7 +23,8 @@ public class RegisterOrganisationUseCaseTest : IClassFixture<AutoMapperFixture>
     private readonly Mock<Persistence.IPersonRepository> _persons = new();
     private readonly Mock<IPublisher> _publisher = new();
     private readonly Mock<IGovUKNotifyApiClient> _notifyApiClient = new();
-    private readonly IConfiguration _mockConfiguration;
+    private readonly IConfiguration _mockConfiguration;    
+    private readonly Mock<ILogger<RegisterOrganisationUseCase>> _logger = new();
     private readonly Guid _generatedGuid = Guid.NewGuid();
     private readonly AutoMapperFixture _mapperFixture;
     private RegisterOrganisationUseCase UseCase => new(
@@ -33,10 +35,11 @@ public class RegisterOrganisationUseCaseTest : IClassFixture<AutoMapperFixture>
         _publisher.Object,
         _mapperFixture.Mapper,
         _mockConfiguration,
+        _logger.Object,
         () => _generatedGuid);
 
     public RegisterOrganisationUseCaseTest(AutoMapperFixture mapperFixture)
-    {
+    {        
         _mapperFixture = mapperFixture;
         var inMemorySettings = new List<KeyValuePair<string, string?>>
         {
@@ -51,6 +54,55 @@ public RegisterOrganisationUseCaseTest(AutoMapperFixture mapperFixture)
             .Build();
     }
 
+    [Fact]
+    public async Task ItShouldLogErrorWhenConfigurationKeysAreMissing()
+    {
+        IConfiguration _configurationMock;
+        var inMemorySettings = new List<KeyValuePair<string, string?>>
+        {
+            new("GOVUKNotify:PersonInviteEmailTemplateId", ""),
+            new("OrganisationAppUrl", ""),
+            new("GOVUKNotify:RequestReviewApplicationEmailTemplateId", ""),
+            new("GOVUKNotify:SupportAdminEmailAddress", ""),
+        };
+
+        _configurationMock = new ConfigurationBuilder()
+            .AddInMemoryCollection(inMemorySettings)
+            .Build();
+
+        var person = GivenPersonExists(guid: Guid.NewGuid());
+
+        var command = GivenRegisterOrganisationCommand(personId: person.Guid, roles: [PartyRole.Buyer]);
+
+
+        _persons.Setup(p => p.Find(command.PersonId)).ReturnsAsync(person);
+
+        var useCase = new RegisterOrganisationUseCase(
+                            _identifierService.Object,
+                            _repository.Object,
+                            _persons.Object,
+                            _notifyApiClient.Object,
+                            _publisher.Object,
+                            _mapperFixture.Mapper,
+                            _configurationMock,
+                            _logger.Object,
+                            () => _generatedGuid
+                        );
+
+        await useCase.Execute(command);
+
+        _logger.Verify(
+    x => x.Log(
+            LogLevel.Error,
+            It.IsAny<EventId>(),
+            It.Is<It.IsAnyType>((v, t) => v.ToString()!.Contains("Missing configuration keys: OrganisationAppUrl, GOVUKNotify:RequestReviewApplicationEmailTemplateId, GOVUKNotify:SupportAdminEmailAddress")),
+            It.IsAny<Exception>(),
+            It.Is<Func<It.IsAnyType, Exception?, string>>((v, t) => true)
+        ), Times.Once);
+
+        _notifyApiClient.Verify(g => g.SendEmail(It.IsAny<EmailNotificationRequest>()), Times.Never);
+    }
+
     [Fact]
     public async Task ItReturnsTheRegisteredOrganisation()
     {
diff --git a/Services/CO.CDP.Organisation.WebApi/UseCase/RegisterOrganisationUseCase.cs b/Services/CO.CDP.Organisation.WebApi/UseCase/RegisterOrganisationUseCase.cs
index 8b62145a6..8b3ffdc0a 100644
--- a/Services/CO.CDP.Organisation.WebApi/UseCase/RegisterOrganisationUseCase.cs
+++ b/Services/CO.CDP.Organisation.WebApi/UseCase/RegisterOrganisationUseCase.cs
@@ -17,6 +17,7 @@ public class RegisterOrganisationUseCase(
     IPublisher publisher,
     IMapper mapper,
     IConfiguration configuration,
+    ILogger<RegisterOrganisationUseCase> logger,
     Func<Guid> guidFactory)
     : IUseCase<RegisterOrganisation, Model.Organisation>
 {
@@ -29,7 +30,8 @@ public RegisterOrganisationUseCase(
         IGovUKNotifyApiClient govUKNotifyApiClient,
         IPublisher publisher,
         IMapper mapper,
-        IConfiguration configuration)
+        IConfiguration configuration,
+        ILogger<RegisterOrganisationUseCase> logger)
         : this(identifierService,
               organisationRepository,
               personRepository,
@@ -37,6 +39,7 @@ public RegisterOrganisationUseCase(
               publisher,
               mapper,
               configuration,
+              logger,
               Guid.NewGuid)
     {
     }
@@ -91,14 +94,21 @@ Person person
     }
     private async Task NotifyAdminOfApprovalRequest(OrganisationInformation.Persistence.Organisation organisation)
     {
-        var baseAppUrl = configuration.GetValue<string>("OrganisationAppUrl")
-                        ?? throw new Exception("Missing configuration key: OrganisationAppUrl");
+        var baseAppUrl = configuration.GetValue<string>("OrganisationAppUrl") ?? "";
+        var templateId = configuration.GetValue<string>("GOVUKNotify:RequestReviewApplicationEmailTemplateId") ?? "";
+        var supportAdminEmailAddress = configuration.GetValue<string>("GOVUKNotify:SupportAdminEmailAddress") ?? "";
 
-        var templateId = configuration.GetValue<string>("GOVUKNotify:RequestReviewApplicationEmailTemplateId")
-                        ?? throw new Exception("Missing configuration key: GOVUKNotify:RequestReviewApplicationEmailTemplateId.");
+        var missingConfigs = new List<string>();
 
-        var supportAdminEmailAddress = configuration.GetValue<string>("GOVUKNotify:SupportAdminEmailAddress")
-                        ?? throw new Exception("Missing configuration key: GOVUKNotify:SupportAdminEmailAddress");
+        if (string.IsNullOrEmpty(baseAppUrl)) missingConfigs.Add("OrganisationAppUrl");
+        if (string.IsNullOrEmpty(templateId)) missingConfigs.Add("GOVUKNotify:RequestReviewApplicationEmailTemplateId");
+        if (string.IsNullOrEmpty(supportAdminEmailAddress)) missingConfigs.Add("GOVUKNotify:SupportAdminEmailAddress");
+
+        if (missingConfigs.Count != 0)
+        {
+            logger.LogError(new Exception("Unable to send email to support admin"), $"Missing configuration keys: {string.Join(", ", missingConfigs)}. Unable to send email to support admin.");
+            return;
+        }
 
         var requestLink = new Uri(new Uri(baseAppUrl), $"/support/organisation/{organisation.Guid}/approval").ToString();
 
@@ -107,10 +117,10 @@ private async Task NotifyAdminOfApprovalRequest(OrganisationInformation.Persiste
             EmailAddress = supportAdminEmailAddress,
             TemplateId = templateId,
             Personalisation = new Dictionary<string, string>
-            {
-                { "org_name", organisation.Name },
-                { "request_link", requestLink }
-            }
+                {
+                    { "org_name", organisation.Name },
+                    { "request_link", requestLink }
+                }
         };
 
         await govUKNotifyApiClient.SendEmail(emailRequest);
diff --git a/Services/CO.CDP.Organisation.WebApi/appsettings.json b/Services/CO.CDP.Organisation.WebApi/appsettings.json
index 02c9d2e45..c30442978 100644
--- a/Services/CO.CDP.Organisation.WebApi/appsettings.json
+++ b/Services/CO.CDP.Organisation.WebApi/appsettings.json
@@ -18,7 +18,7 @@
     "PersonInviteEmailTemplateId": "94beca4e-2ccc-4b57-8cab-6940305596db",
     "RequestReviewApplicationEmailTemplateId": "5b383432-5382-4a85-a19a-20e341332cf2",
     "BuyerApprovedEmailTemplateId": "ebb6702c-5c08-4ed1-a611-18311f5072ee",
-    "SupportAdminEmailAddress": "dharmesh.patel@goaco.com"
+    "SupportAdminEmailAddress": ""
   },
   "ForwardedHeaders": {
     "KnownNetwork": ""