diff --git a/src/Portal.Backend.sln b/src/Portal.Backend.sln
index 45967dba53..802022cfad 100644
--- a/src/Portal.Backend.sln
+++ b/src/Portal.Backend.sln
@@ -1678,6 +1678,12 @@ Global
 		{07BDC20D-23DD-4C0E-9C3D-B1D232AF17E3}.Release|x86.Build.0 = Release|Any CPU
 		{D666EADA-770A-42FF-B891-5745F7A6BC2F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{D666EADA-770A-42FF-B891-5745F7A6BC2F}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{D666EADA-770A-42FF-B891-5745F7A6BC2F}.Release|x86.ActiveCfg = Release|Any CPU
+		{D666EADA-770A-42FF-B891-5745F7A6BC2F}.Release|x86.Build.0 = Release|Any CPU
+		{D666EADA-770A-42FF-B891-5745F7A6BC2F}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{D666EADA-770A-42FF-B891-5745F7A6BC2F}.Debug|x86.Build.0 = Debug|Any CPU
+		{D666EADA-770A-42FF-B891-5745F7A6BC2F}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{D666EADA-770A-42FF-B891-5745F7A6BC2F}.Release|Any CPU.Build.0 = Release|Any CPU
 		{59E4B63B-BEA2-4CDA-98F0-13962146AEA5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
 		{59E4B63B-BEA2-4CDA-98F0-13962146AEA5}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{59E4B63B-BEA2-4CDA-98F0-13962146AEA5}.Debug|x64.ActiveCfg = Debug|Any CPU
diff --git a/src/maintenance/Maintenance.App/Program.cs b/src/maintenance/Maintenance.App/Program.cs
index 91d7cacdc7..4c06841e10 100644
--- a/src/maintenance/Maintenance.App/Program.cs
+++ b/src/maintenance/Maintenance.App/Program.cs
@@ -21,11 +21,17 @@
 using Laraue.EfCoreTriggers.PostgreSql.Extensions;
 using Microsoft.EntityFrameworkCore;
 using Org.Eclipse.TractusX.Portal.Backend.Clearinghouse.Library;
+using Org.Eclipse.TractusX.Portal.Backend.Custodian.Library;
+using Org.Eclipse.TractusX.Portal.Backend.Custodian.Library.BusinessLogic;
 using Org.Eclipse.TractusX.Portal.Backend.Framework.Logging;
+using Org.Eclipse.TractusX.Portal.Backend.Framework.Token;
 using Org.Eclipse.TractusX.Portal.Backend.Maintenance.App.DependencyInjection;
 using Org.Eclipse.TractusX.Portal.Backend.Maintenance.App.Services;
+using Org.Eclipse.TractusX.Portal.Backend.PortalBackend.DBAccess;
 using Org.Eclipse.TractusX.Portal.Backend.PortalBackend.PortalEntities;
 using Org.Eclipse.TractusX.Portal.Backend.PortalBackend.PortalEntities.Auditing;
+using Org.Eclipse.TractusX.Portal.Backend.Processes.ApplicationChecklist.Library;
+using Org.Eclipse.TractusX.Portal.Backend.Processes.ProcessIdentity;
 using Org.Eclipse.TractusX.Portal.Backend.Processes.ProcessIdentity.DependencyInjection;
 using Serilog;
 
@@ -41,8 +47,14 @@
                 .AddMaintenanceService()
                 .AddConfigurationProcessIdentityIdDetermination(hostContext.Configuration.GetSection("ProcessIdentity"))
                 .AddBatchDelete(hostContext.Configuration.GetSection("BatchDelete"))
+                .AddTransient<ITokenService, TokenService>()
+                .AddTransient<ICustodianBusinessLogic, CustodianBusinessLogic>()
+                .AddTransient<ICustodianService, CustodianService>()
+                .AddTransient<IApplicationChecklistService, ApplicationChecklistService>()
+                .AddTransient<IProcessIdentityDataDetermination, ProcessIdentityDataDetermination>()
                 .AddClearinghouseService(hostContext.Configuration.GetSection("Clearinghouse"))
                 .AddDbAuditing()
+                .AddPortalRepositories(hostContext.Configuration)
                 .AddDbContext<PortalDbContext>(o =>
                     o.UseNpgsql(hostContext.Configuration.GetConnectionString("PortalDb"))
                         .UsePostgreSqlTriggers());
diff --git a/src/processes/Processes.ProcessIdentity/ProcessIdentityDataDetermination.cs b/src/processes/Processes.ProcessIdentity/ProcessIdentityDataDetermination.cs
index cdb46469fd..7468813450 100644
--- a/src/processes/Processes.ProcessIdentity/ProcessIdentityDataDetermination.cs
+++ b/src/processes/Processes.ProcessIdentity/ProcessIdentityDataDetermination.cs
@@ -24,25 +24,21 @@
 
 namespace Org.Eclipse.TractusX.Portal.Backend.Processes.ProcessIdentity;
 
-public class ProcessIdentityDataDetermination : IProcessIdentityDataDetermination
+public class ProcessIdentityDataDetermination(
+    IPortalRepositories portalRepositories,
+    IProcessIdentityDataBuilder processIdentityDataBuilder)
+    : IProcessIdentityDataDetermination
 {
-    private readonly IIdentityRepository _identityRepository;
-    private readonly IProcessIdentityDataBuilder _processIdentityDataBuilder;
-
-    public ProcessIdentityDataDetermination(IPortalRepositories portalRepositories, IProcessIdentityDataBuilder processIdentityDataBuilder)
-    {
-        _identityRepository = portalRepositories.GetInstance<IIdentityRepository>();
-        _processIdentityDataBuilder = processIdentityDataBuilder;
-    }
+    private readonly IIdentityRepository _identityRepository = portalRepositories.GetInstance<IIdentityRepository>();
 
     /// <inheritdoc />
     public async Task GetIdentityData()
     {
         (IdentityTypeId IdentityTypeId, Guid CompanyId) identityData;
 
-        if ((identityData = await _identityRepository.GetActiveIdentityDataByIdentityId(_processIdentityDataBuilder.IdentityId).ConfigureAwait(ConfigureAwaitOptions.None)) == default)
-            throw new ConflictException($"Identity {_processIdentityDataBuilder.IdentityId} could not be found");
+        if ((identityData = await _identityRepository.GetActiveIdentityDataByIdentityId(processIdentityDataBuilder.IdentityId).ConfigureAwait(ConfigureAwaitOptions.None)) == default)
+            throw new ConflictException($"Identity {processIdentityDataBuilder.IdentityId} could not be found");
 
-        _processIdentityDataBuilder.AddIdentityData(identityData.IdentityTypeId, identityData.CompanyId);
+        processIdentityDataBuilder.AddIdentityData(identityData.IdentityTypeId, identityData.CompanyId);
     }
 }
diff --git a/src/registration/Registration.Service/Program.cs b/src/registration/Registration.Service/Program.cs
index 703f18fb59..79edabd770 100644
--- a/src/registration/Registration.Service/Program.cs
+++ b/src/registration/Registration.Service/Program.cs
@@ -44,6 +44,7 @@ await WebAppHelper
         builder.Services.AddTransient<IUserProvisioningService, UserProvisioningService>();
         builder.Services.AddTransient<IStaticDataBusinessLogic, StaticDataBusinessLogic>();
         builder.Services.AddTransient<IRegistrationBusinessLogic, RegistrationBusinessLogic>()
+            .AddTransient<IIdentityProviderProvisioningService, IdentityProviderProvisioningService>()
             .ConfigureRegistrationSettings(builder.Configuration.GetSection("Registration"))
             .AddTransient<INetworkBusinessLogic, NetworkBusinessLogic>();