diff --git a/src/BL/Models/SubmissionGetProjectModel.cs b/src/BL/Models/SubmissionGetProjectModel.cs
index 84a673ab8..5fa271015 100644
--- a/src/BL/Models/SubmissionGetProjectModel.cs
+++ b/src/BL/Models/SubmissionGetProjectModel.cs
@@ -1,5 +1,6 @@
 using BL.Models.Enums;
 using BL.Models.Helpers;
+using Microsoft.EntityFrameworkCore;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -27,13 +28,17 @@ public class SubmissionGetProjectModel
 
         public virtual List<TreGetProjectModel> Tres { get; set; }
 
+        public virtual List<UserGetProjectModel> UsersNotInProject { get; set; }
+
+        public virtual List<TreGetProjectModel> TresNotInProject { get; set; }
+
         public virtual List<SubmissionsGetProjectModel> Submissions { get; set; }
         public SubmissionGetProjectModel()
         {
 
         }
 
-        public SubmissionGetProjectModel(Project Project)
+        public SubmissionGetProjectModel(Project Project, DbSet<User> UsersAll, DbSet<BL.Models.Tre> TREsALL)
         {
             Id = Project.Id;
             FormData = Project.FormData;
@@ -46,17 +51,38 @@ public SubmissionGetProjectModel(Project Project)
             SubmissionBucket = Project.SubmissionBucket;
             OutputBucket = Project.OutputBucket;
             Users = new List<UserGetProjectModel>();
-            foreach (var item in Project.Users)
+            UsersNotInProject = new List<UserGetProjectModel>();
+           
+
+            foreach (var user in UsersAll.ToArray())
             {
-                Users.Add(new UserGetProjectModel(item));
+                if (Project.Users.Contains(user))
+                {
+                    Users.Add(new UserGetProjectModel(user));
+                }
+                else
+                {
+                    UsersNotInProject.Add(new UserGetProjectModel(user));
+                }
             }
+            
 
             Tres = new List<TreGetProjectModel>();
-            foreach (var item in Project.Tres)
+            TresNotInProject = new List<TreGetProjectModel>();
+    
+
+            foreach (var tre in TREsALL.ToArray())
             {
-                Tres.Add(new TreGetProjectModel(item, Id));
+                if (Project.Tres.Contains(tre))
+                {
+                    Tres.Add(new TreGetProjectModel(tre, Id));
+                }
+                else
+                {
+                    TresNotInProject.Add(new TreGetProjectModel(tre, Id));
+                }
             }
-
+     
             Submissions = new List<SubmissionsGetProjectModel>();
             foreach (var item in Project.Submissions)
             {
diff --git a/src/DARE-API/Controllers/ProjectController.cs b/src/DARE-API/Controllers/ProjectController.cs
index 512789f51..90dc8b4e1 100644
--- a/src/DARE-API/Controllers/ProjectController.cs
+++ b/src/DARE-API/Controllers/ProjectController.cs
@@ -355,7 +355,9 @@ public ProjectController(ApplicationDbContext applicationDbContext, MinioSetting
                 }
 
                 Log.Information("{Function} Project retrieved successfully", "GetProject");
-                return new SubmissionGetProjectModel(returned);
+                var Users = _DbContext.Users.ToList();
+                _DbContext.Tres.ToList();
+                return new SubmissionGetProjectModel(returned, _DbContext.Users, _DbContext.Tres);
             }
             catch (Exception ex)
             {
diff --git a/src/DARE-FrontEnd/Controllers/ProjectController.cs b/src/DARE-FrontEnd/Controllers/ProjectController.cs
index 36ed7d5cc..ed8aedea2 100644
--- a/src/DARE-FrontEnd/Controllers/ProjectController.cs
+++ b/src/DARE-FrontEnd/Controllers/ProjectController.cs
@@ -89,11 +89,9 @@ public async Task<IActionResult> GetProject(int id)
             //Log.Error("minioEndpoint took ElapsedMilliseconds" + stopwatch.ElapsedMilliseconds);
             stopwatch.Stop();
             var project = projectawait.Result;
-            var users = _clientHelper.CallAPIWithoutModel<List<BL.Models.User>>("/api/User/GetAllUsers/").Result;
-            var tres = _clientHelper.CallAPIWithoutModel<List<Tre>>("/api/Tre/GetAllTres/").Result;
-
-            var userItems2 = users.Where(p => !project.Users.Select(x => x.Id).Contains(p.Id)).ToList();
-            var treItems2 = tres.Where(p => !project.Tres.Select(x => x.Id).Contains(p.Id)).ToList();
+    
+            var userItems2 = project.UsersNotInProject;
+            var treItems2 = project.TresNotInProject;
 
             var userItems = userItems2
                 .Select(p => new SelectListItem { Value = p.Id.ToString(), Text = p.FullName != "" ? p.FullName : p.Name })