diff --git a/TIAM.Entities/ServiceProviders/Company.cs b/TIAM.Entities/ServiceProviders/Company.cs
index 66adae6b..3b201d9c 100644
--- a/TIAM.Entities/ServiceProviders/Company.cs
+++ b/TIAM.Entities/ServiceProviders/Company.cs
@@ -16,15 +16,19 @@ public class Company : AcCompany<User, UserToCompany, Profile, Address>, ICompan
     {
     }
 
-    public Company(string name, Guid ownerId) : this(Guid.NewGuid(), name, ownerId)
+    public Company(string name, Guid? ownerId) : this(Guid.NewGuid(), name, ownerId)
     {
     }
 
-    public Company(Guid id, string name, Guid ownerId) : this(id, name, ownerId, Guid.NewGuid())
+    public Company(Guid id, string name, Guid? ownerId) : this(id, name, ownerId, Guid.NewGuid())
     {
     }
 
+    public Company(Guid id, string name, Guid? ownerId, double commissionPercent) : this(id, name, ownerId, Guid.NewGuid())
+    {
+        CommissionPercent = commissionPercent;
+    }
+
     public Company(Guid id, string name, Guid? ownerId, Guid affiliateId) : base(id, name, ownerId, affiliateId)
-    {
-    }
+    { }
 }
\ No newline at end of file
diff --git a/TIAMWebApp/Server/Controllers/ServiceProviderAPIController.cs b/TIAMWebApp/Server/Controllers/ServiceProviderAPIController.cs
index 8714a39e..fc9f428d 100644
--- a/TIAMWebApp/Server/Controllers/ServiceProviderAPIController.cs
+++ b/TIAMWebApp/Server/Controllers/ServiceProviderAPIController.cs
@@ -31,12 +31,11 @@ namespace TIAMWebApp.Server.Controllers
         [ApiExplorerSettings(IgnoreApi = true)]
         private async Task<bool> CompanyDataChanging(Company company, DataChangeMode dataChangeMode)
         {
-            var logText = $"CompanyDataChanging {dataChangeMode} called; id: {company.Id}; ownerId: {company.OwnerId}; Name: {company.Name}";
+            var logText = $"[{dataChangeMode.ToString().ToUpper()}] CompanyDataChanging called; Id: {company.Id}; OwnerId: {company.OwnerId}; Name: {company.Name}";
 
             if (company.Name.IsNullOrEmpty())
             {
                 _logger.Error(logText);
-
                 return false;
             }
 
@@ -47,6 +46,8 @@ namespace TIAMWebApp.Server.Controllers
                 case DataChangeMode.Add:
                     if (company.Id.IsNullOrEmpty()) company.Id = Guid.NewGuid();
 
+                    //if (company.OwnerId.IsNullOrEmpty()) company.OwnerId = Guid.Parse("540271F6-C604-4C16-8160-D5A7CAFEDF00"); //TESZT - J.
+
                     company.SetProfile(new Profile(Guid.NewGuid(), company.Name));
                     company.Profile.SetAddress(new Address(Guid.NewGuid(), "Controller AddCompanyAsync; address text..."));
 
@@ -88,35 +89,11 @@ namespace TIAMWebApp.Server.Controllers
         [Route(APIUrls.CreateServiceProviderRouteName)]
         [Tags("In-Progress", "ServiceProvider")]
         [EndpointSummary("Create service provider")]
-        public async Task<string> CreateServiceProvider([FromBody] ServiceProviderModel? serializedServiceProviderModel)
+        public async Task<string> CreateServiceProvider([FromBody] ServiceProviderModel serializedServiceProviderModel)
         {
-            _logger.Info(@"CreateServiceProvider called");
+            _logger.Info($"CreateServiceProvider called; Id: {serializedServiceProviderModel.Id}");
 
-            //if (serializedServiceProviderModel.GetArrayLength() == 0)
-            if (serializedServiceProviderModel == null)
-            {
-                return string.Empty; //BadRequest("SerializedLoginModel is required").ToJson();
-            }
-
-            //Company? serviceProvider = JObject.Parse(serializedServiceProviderModel.GetRawText()).ToObject<Company>();                
-            var serviceProvider = serializedServiceProviderModel;
-
-            var id = Guid.NewGuid();
-            var name = serviceProvider.Name;
-            var commissionRate = serviceProvider.CommissionPercent;
-
-            //no owner set yet
-            var ownerId = serviceProvider.OwnerId == Guid.Empty ? null : serviceProvider.OwnerId;
-            //ownerId = Guid.Parse("540271F6-C604-4C16-8160-D5A7CAFEDF00"); //TESZT - J.
-
-            if (name is null) return string.Empty; //BadRequest("Invalid request");
-
-            var company = new Company(id, name, ownerId, Guid.NewGuid())
-            {
-                CommissionPercent = commissionRate
-            };
-
-            return await AddCompanyAsync(company);
+            return await AddCompanyAsync(serializedServiceProviderModel.CreateMainEntity());
         }
 
         //16.
@@ -244,12 +221,11 @@ namespace TIAMWebApp.Server.Controllers
         [ApiExplorerSettings(IgnoreApi = true)]
         private async Task<bool> CarDataChanging(Car car, DataChangeMode dataChangeMode)
         {
-            var logText = $"CarDataChanging {dataChangeMode} called; id: {car.Id}; ownerId: {car.UserProductMappingId}; licensePlate: {car.LicencePlate}";
+            var logText = $"[{dataChangeMode.ToString().ToUpper()}] CarDataChanging called; Id: {car.Id}; OwnerId: {car.UserProductMappingId}; LicensePlate: {car.LicencePlate}";
 
             if (car.UserProductMappingId.IsNullOrEmpty() || car.LicencePlate.IsNullOrWhiteSpace())
             {
                 _logger.Error(logText);
-
                 return false;
             }
 
diff --git a/TIAMWebApp/Shared/Models/ServiceProviderModel.cs b/TIAMWebApp/Shared/Models/ServiceProviderModel.cs
index ed89a5d9..2e1f70ba 100644
--- a/TIAMWebApp/Shared/Models/ServiceProviderModel.cs
+++ b/TIAMWebApp/Shared/Models/ServiceProviderModel.cs
@@ -1,18 +1,31 @@
-namespace TIAMWebApp.Shared.Application.Models
+using AyCode.Models;
+using TIAM.Entities.ServiceProviders;
+
+namespace TIAMWebApp.Shared.Application.Models
 {
-    public class ServiceProviderModel
+    public class ServiceProviderModel : AcModelDtoBase<Company>
     {
-        public Guid Id { get; set; }
         public string? Name { get; set; }
         public Guid? OwnerId { get; set; }
-        public int CommissionPercent { get; set; }
-        public ServiceProviderModel() { }
-        public ServiceProviderModel(Guid id, string name, Guid? ownerId, int commissionPercent)
+        public double CommissionPercent { get; set; }
+        
+        public ServiceProviderModel() : base()
+        { }
+
+        public ServiceProviderModel(Guid id, string name, Guid? ownerId, double commissionPercent) : base(id)
         {
-            Id = id;
             Name = name;
             OwnerId = ownerId;
             CommissionPercent = commissionPercent;
         }
+
+        public ServiceProviderModel(ICompanyBase company) : this(company.Id, company.Name, company.OwnerId, company.CommissionPercent)
+        {
+        }
+
+        public override Company CreateMainEntity()
+        {
+            return new Company(Id, Name!, OwnerId, CommissionPercent);
+        }
     }
 }