diff --git a/DigitalLearningSolutions.Data/DataServices/UserDataService/DelegateUserCardDataService.cs b/DigitalLearningSolutions.Data/DataServices/UserDataService/DelegateUserCardDataService.cs
index 6d08cfc6ae..f2068623a9 100644
--- a/DigitalLearningSolutions.Data/DataServices/UserDataService/DelegateUserCardDataService.cs
+++ b/DigitalLearningSolutions.Data/DataServices/UserDataService/DelegateUserCardDataService.cs
@@ -352,6 +352,8 @@ public List<DelegateUserCard> GetDelegateUserCardsForExportByCentreId(String sea
 
             if (sortBy == "SearchableName")
                 orderBy = " ORDER BY LTRIM(LastName) " + sortDirection + ", LTRIM(FirstName) ";
+            else if(sortBy == "LastAccessed")
+                orderBy = " ORDER BY LastAccessed " + sortDirection;
             else
                 orderBy = " ORDER BY DateRegistered " + sortDirection;
 
diff --git a/DigitalLearningSolutions.Data/Helpers/GenericSortingHelper.cs b/DigitalLearningSolutions.Data/Helpers/GenericSortingHelper.cs
index 7f4380d941..0165d19655 100644
--- a/DigitalLearningSolutions.Data/Helpers/GenericSortingHelper.cs
+++ b/DigitalLearningSolutions.Data/Helpers/GenericSortingHelper.cs
@@ -250,6 +250,9 @@ public static class DelegateSortByOptions
         public static readonly (string DisplayText, string PropertyName) Name =
             ("Name", nameof(DelegateUserCard.SearchableName));
 
+        public static readonly (string DisplayText, string PropertyName) LastAccessed =
+           ("Last accessed date", nameof(DelegateUserCard.LastAccessed));
+
         public static readonly (string DisplayText, string PropertyName) RegistrationDate =
             ("Registration Date", nameof(DelegateUserCard.DateRegistered));
     }
diff --git a/DigitalLearningSolutions.Web/ViewModels/TrackingSystem/Delegates/AllDelegates/AllDelegatesViewModel.cs b/DigitalLearningSolutions.Web/ViewModels/TrackingSystem/Delegates/AllDelegates/AllDelegatesViewModel.cs
index 63a027e4d4..f6a8141dcc 100644
--- a/DigitalLearningSolutions.Web/ViewModels/TrackingSystem/Delegates/AllDelegates/AllDelegatesViewModel.cs
+++ b/DigitalLearningSolutions.Web/ViewModels/TrackingSystem/Delegates/AllDelegates/AllDelegatesViewModel.cs
@@ -44,6 +44,7 @@ IEnumerable<FilterModel> availableFilters
         public override IEnumerable<(string, string)> SortOptions { get; } = new[]
         {
             DelegateSortByOptions.Name,
+            DelegateSortByOptions.LastAccessed,
             DelegateSortByOptions.RegistrationDate,
         };