diff --git a/src/administration/Administration.Service/BusinessLogic/IStaticDataBusinessLogic.cs b/src/administration/Administration.Service/BusinessLogic/IStaticDataBusinessLogic.cs
index 10e39b9968..48b19ae007 100644
--- a/src/administration/Administration.Service/BusinessLogic/IStaticDataBusinessLogic.cs
+++ b/src/administration/Administration.Service/BusinessLogic/IStaticDataBusinessLogic.cs
@@ -50,4 +50,10 @@ public interface IStaticDataBusinessLogic
     /// </summary>
     /// <returns>A list of bpns</returns>
     IAsyncEnumerable<OperatorBpnData> GetOperatorBpns();
+
+    /// <summary>
+    /// Get all company certificates
+    /// </summary>
+    /// <returns>A list of company certificates</returns>
+    IAsyncEnumerable<CompanyCertificateTypeData> GetCertificateTypes();
 }
diff --git a/src/administration/Administration.Service/BusinessLogic/StaticDataBusinessLogic.cs b/src/administration/Administration.Service/BusinessLogic/StaticDataBusinessLogic.cs
index 47991e2548..a2b105629f 100644
--- a/src/administration/Administration.Service/BusinessLogic/StaticDataBusinessLogic.cs
+++ b/src/administration/Administration.Service/BusinessLogic/StaticDataBusinessLogic.cs
@@ -55,4 +55,8 @@ public IAsyncEnumerable<LicenseTypeData> GetAllLicenseType() =>
     /// <inheritdoc />
     public IAsyncEnumerable<OperatorBpnData> GetOperatorBpns() =>
         _portalRepositories.GetInstance<ICompanyRepository>().GetOperatorBpns();
+
+    /// <inheritdoc />
+    public IAsyncEnumerable<CompanyCertificateTypeData> GetCertificateTypes() =>
+        _portalRepositories.GetInstance<IStaticDataRepository>().GetCertificateTypes();
 }
diff --git a/src/administration/Administration.Service/Controllers/StaticDataController.cs b/src/administration/Administration.Service/Controllers/StaticDataController.cs
index 90917a22c9..d19afab1c6 100644
--- a/src/administration/Administration.Service/Controllers/StaticDataController.cs
+++ b/src/administration/Administration.Service/Controllers/StaticDataController.cs
@@ -104,4 +104,19 @@ public IAsyncEnumerable<LicenseTypeData> GetLicenseTypes() =>
     [ProducesResponseType(typeof(IAsyncEnumerable<OperatorBpnData>), StatusCodes.Status200OK)]
     public IAsyncEnumerable<OperatorBpnData> GetOperatorBpns() =>
         _logic.GetOperatorBpns();
+
+    /// <summary>
+    /// Retrieve all certificate types 
+    /// </summary>
+    /// <returns>AsyncEnumerable of certificate types</returns>
+    /// <remarks>
+    /// Example: GET: /api/administration/staticdata/certificateTypes    
+    /// </remarks>
+    /// <response code="200">Returns a list of all of the Language i.e german and english</response>
+    [HttpGet]
+    [Authorize(Roles = "view_certificates")]
+    [Route("certificateTypes")]
+    [ProducesResponseType(typeof(IEnumerable<CompanyCertificateTypeData>), StatusCodes.Status200OK)]
+    public IAsyncEnumerable<CompanyCertificateTypeData> GetCertificateTypes() =>
+        _logic.GetCertificateTypes();
 }
diff --git a/src/portalbackend/PortalBackend.DBAccess/Models/CompanyCertificateTypeData.cs b/src/portalbackend/PortalBackend.DBAccess/Models/CompanyCertificateTypeData.cs
new file mode 100644
index 0000000000..1f194a12d6
--- /dev/null
+++ b/src/portalbackend/PortalBackend.DBAccess/Models/CompanyCertificateTypeData.cs
@@ -0,0 +1,41 @@
+/********************************************************************************
+ * Copyright (c) 2024 Contributors to the Eclipse Foundation
+ *
+ * See the NOTICE file(s) distributed with this work for additional
+ * information regarding copyright ownership.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Apache License, Version 2.0 which is available at
+ * https://www.apache.org/licenses/LICENSE-2.0.
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ ********************************************************************************/
+
+using Org.Eclipse.TractusX.Portal.Backend.PortalBackend.PortalEntities.Enums;
+using System.Text.Json.Serialization;
+
+namespace Org.Eclipse.TractusX.Portal.Backend.PortalBackend.DBAccess.Models;
+
+/// <summary>
+/// Model for CompanyCertificateTypeData
+/// </summary>]
+/// <param name="CompanyCertificateTypeId">CompanyCertificate Type Id</param>
+/// <param name="Description">description</param>
+/// <returns></returns>
+public record CompanyCertificateTypeData(
+    [property: JsonPropertyName("certificateType")] CompanyCertificateTypeId CompanyCertificateTypeId,
+    IEnumerable<CertificateTypeDescription> Description);
+
+/// <summary>
+/// Model for CertificateTypeDescription
+/// </summary>
+/// <param name="LanguageShortName">language</param>
+/// <param name="Description">long Description</param>
+/// <returns></returns>
+public record CertificateTypeDescription(string LanguageShortName, string Description);
diff --git a/src/portalbackend/PortalBackend.DBAccess/Repositories/IStaticDataRepository.cs b/src/portalbackend/PortalBackend.DBAccess/Repositories/IStaticDataRepository.cs
index 1225ce12c0..229242f4e2 100644
--- a/src/portalbackend/PortalBackend.DBAccess/Repositories/IStaticDataRepository.cs
+++ b/src/portalbackend/PortalBackend.DBAccess/Repositories/IStaticDataRepository.cs
@@ -45,6 +45,12 @@ public interface IStaticDataRepository
     /// <returns>AsyncEnumerable of the result Counties with long names</returns>
     IAsyncEnumerable<CountryLongNameData> GetAllCountries();
 
+    /// <summary>
+    /// Get all Certificate Types
+    /// </summary>
+    /// <returns>AsyncEnumerable of the result Company Certificates with Long Description</returns>
+    IAsyncEnumerable<CompanyCertificateTypeData> GetCertificateTypes();
+
     /// <summary>
     /// Retrieve Unique Identifier Data for Country Alpha2Code
     /// </summary>
diff --git a/src/portalbackend/PortalBackend.DBAccess/Repositories/StaticDataRepository.cs b/src/portalbackend/PortalBackend.DBAccess/Repositories/StaticDataRepository.cs
index d446b8689b..47b0a8bf4e 100644
--- a/src/portalbackend/PortalBackend.DBAccess/Repositories/StaticDataRepository.cs
+++ b/src/portalbackend/PortalBackend.DBAccess/Repositories/StaticDataRepository.cs
@@ -101,4 +101,16 @@ public IAsyncEnumerable<LicenseTypeData> GetLicenseTypeData() =>
         _dbContext.LicenseTypes.AsNoTracking()
             .Select(licenseType => new LicenseTypeData((int)licenseType.Id, licenseType.Label))
             .AsAsyncEnumerable();
+
+    ///<inheritdoc />        
+    public IAsyncEnumerable<CompanyCertificateTypeData> GetCertificateTypes() =>
+        _dbContext.CompanyCertificateTypes.AsNoTracking()
+            .Where(type => type.CompanyCertificateTypeAssignedStatus!.CompanyCertificateTypeStatusId == CompanyCertificateTypeStatusId.ACTIVE)
+            .Select(type => new CompanyCertificateTypeData
+                (
+                    type.Id,
+                    type.CompanyCertificateTypeDescriptions
+                        .Select(x => new CertificateTypeDescription(x.LanguageShortName, x.Description))
+                ))
+            .AsAsyncEnumerable();
 }
diff --git a/src/portalbackend/PortalBackend.PortalEntities/Entities/CompanyCertificateStatus.cs b/src/portalbackend/PortalBackend.PortalEntities/Entities/CompanyCertificateStatus.cs
index 2c29495500..a078cb5bf3 100644
--- a/src/portalbackend/PortalBackend.PortalEntities/Entities/CompanyCertificateStatus.cs
+++ b/src/portalbackend/PortalBackend.PortalEntities/Entities/CompanyCertificateStatus.cs
@@ -27,6 +27,7 @@ public class CompanyCertificateStatus
     private CompanyCertificateStatus()
     {
         Label = null!;
+        CompanyCertificates = new HashSet<CompanyCertificate>();
     }
 
     public CompanyCertificateStatus(CompanyCertificateStatusId certificateStatusId) : this()
@@ -39,4 +40,8 @@ public CompanyCertificateStatus(CompanyCertificateStatusId certificateStatusId)
 
     [MaxLength(255)]
     public string Label { get; private set; }
+
+    // Navigation Properties
+
+    public virtual ICollection<CompanyCertificate> CompanyCertificates { get; private set; }
 }
diff --git a/src/portalbackend/PortalBackend.PortalEntities/Entities/CompanyCertificateType.cs b/src/portalbackend/PortalBackend.PortalEntities/Entities/CompanyCertificateType.cs
index 74afb573cf..33678a1cfd 100644
--- a/src/portalbackend/PortalBackend.PortalEntities/Entities/CompanyCertificateType.cs
+++ b/src/portalbackend/PortalBackend.PortalEntities/Entities/CompanyCertificateType.cs
@@ -28,6 +28,7 @@ private CompanyCertificateType()
     {
         Label = null!;
         CompanyCertificates = new HashSet<CompanyCertificate>();
+        CompanyCertificateTypeDescriptions = new HashSet<CompanyCertificateTypeDescription>();
     }
 
     public CompanyCertificateType(CompanyCertificateTypeId companyCertificateTypeId) : this()
@@ -45,4 +46,5 @@ public CompanyCertificateType(CompanyCertificateTypeId companyCertificateTypeId)
 
     public virtual CompanyCertificateTypeAssignedStatus? CompanyCertificateTypeAssignedStatus { get; set; }
     public virtual ICollection<CompanyCertificate> CompanyCertificates { get; private set; }
+    public virtual ICollection<CompanyCertificateTypeDescription> CompanyCertificateTypeDescriptions { get; private set; }
 }
diff --git a/src/portalbackend/PortalBackend.PortalEntities/Entities/CompanyCertificateTypeStatus.cs b/src/portalbackend/PortalBackend.PortalEntities/Entities/CompanyCertificateTypeStatus.cs
index 89d958dbac..fab6127418 100644
--- a/src/portalbackend/PortalBackend.PortalEntities/Entities/CompanyCertificateTypeStatus.cs
+++ b/src/portalbackend/PortalBackend.PortalEntities/Entities/CompanyCertificateTypeStatus.cs
@@ -27,6 +27,7 @@ public class CompanyCertificateTypeStatus
     private CompanyCertificateTypeStatus()
     {
         Label = null!;
+        CompanyCertificateTypeAssignedStatuses = new HashSet<CompanyCertificateTypeAssignedStatus>();
     }
 
     public CompanyCertificateTypeStatus(CompanyCertificateTypeStatusId companyCertificateTypeStatusId)
diff --git a/tests/administration/Administration.Service.Tests/BusinessLogic/InvitationBusinessLogicTests.cs b/tests/administration/Administration.Service.Tests/BusinessLogic/InvitationBusinessLogicTests.cs
index 4347aa6caf..a3edc90b15 100644
--- a/tests/administration/Administration.Service.Tests/BusinessLogic/InvitationBusinessLogicTests.cs
+++ b/tests/administration/Administration.Service.Tests/BusinessLogic/InvitationBusinessLogicTests.cs
@@ -72,7 +72,7 @@ public InvitationBusinessLogicTests()
         _mailingService = A.Fake<IMailingService>();
         _options = A.Fake<IOptions<InvitationSettings>>();
 
-        _companyName = _fixture.Create<string>();
+        _companyName = "testCompany";
         _idpName = _fixture.Create<string>();
         _companyId = _fixture.Create<Guid>();
         _identityProviderId = _fixture.Create<Guid>();
diff --git a/tests/administration/Administration.Service.Tests/BusinessLogic/StaticDataBusinessLogicTest.cs b/tests/administration/Administration.Service.Tests/BusinessLogic/StaticDataBusinessLogicTest.cs
index da04a65411..bb73469459 100644
--- a/tests/administration/Administration.Service.Tests/BusinessLogic/StaticDataBusinessLogicTest.cs
+++ b/tests/administration/Administration.Service.Tests/BusinessLogic/StaticDataBusinessLogicTest.cs
@@ -118,6 +118,26 @@ public async Task GetAllLanguages_ReturnsExpectedResult()
         result.Should().HaveCount(3).And.ContainInOrder(data);
     }
 
+    [Fact]
+    public async Task GetCertificateTypes_ReturnsExpectedResult()
+    {
+        // Arrange
+        var data = _fixture.CreateMany<CompanyCertificateTypeData>(12).ToImmutableArray();
+
+        A.CallTo(() => _staticDataRepository.GetCertificateTypes())
+            .Returns(data.ToAsyncEnumerable());
+
+        var sut = new StaticDataBusinessLogic(_portalRepositories);
+
+        // Act
+        var result = await sut.GetCertificateTypes().ToListAsync().ConfigureAwait(false);
+
+        // Assert
+        A.CallTo(() => _staticDataRepository.GetCertificateTypes())
+            .MustHaveHappenedOnceExactly();
+        result.Should().HaveCount(12).And.ContainInOrder(data);
+    }
+
     [Fact]
     public async Task GetOperatorBpns_ReturnsExpectedResult()
     {
diff --git a/tests/administration/Administration.Service.Tests/Controllers/StaticDataControllerTest.cs b/tests/administration/Administration.Service.Tests/Controllers/StaticDataControllerTest.cs
index 86a0f6be3a..9f2620a0ff 100644
--- a/tests/administration/Administration.Service.Tests/Controllers/StaticDataControllerTest.cs
+++ b/tests/administration/Administration.Service.Tests/Controllers/StaticDataControllerTest.cs
@@ -98,4 +98,20 @@ public async Task GetOperatorBpns_ReturnsExpectedResult()
         A.CallTo(() => _logic.GetOperatorBpns()).MustHaveHappenedOnceExactly();
         result.Should().HaveCount(5).And.AllBeOfType<OperatorBpnData>();
     }
+
+    [Fact]
+    public async Task GetCertificateTypes_ReturnsExpectedResult()
+    {
+        //Arrange
+        var data = _fixture.CreateMany<CompanyCertificateTypeData>(5).ToAsyncEnumerable();
+        A.CallTo(() => _logic.GetCertificateTypes())
+            .Returns(data);
+
+        //Act
+        var result = await _controller.GetCertificateTypes().ToListAsync().ConfigureAwait(false);
+
+        // Assert 
+        A.CallTo(() => _logic.GetCertificateTypes()).MustHaveHappenedOnceExactly();
+        result.Should().HaveCount(5).And.AllBeOfType<CompanyCertificateTypeData>();
+    }
 }
diff --git a/tests/portalbackend/PortalBackend.DBAccess.Tests/StaticDataRepositoryTest.cs b/tests/portalbackend/PortalBackend.DBAccess.Tests/StaticDataRepositoryTest.cs
index aadd13c601..57bbbb926e 100644
--- a/tests/portalbackend/PortalBackend.DBAccess.Tests/StaticDataRepositoryTest.cs
+++ b/tests/portalbackend/PortalBackend.DBAccess.Tests/StaticDataRepositoryTest.cs
@@ -21,6 +21,7 @@
 using Org.Eclipse.TractusX.Portal.Backend.PortalBackend.DBAccess.Models;
 using Org.Eclipse.TractusX.Portal.Backend.PortalBackend.DBAccess.Repositories;
 using Org.Eclipse.TractusX.Portal.Backend.PortalBackend.DBAccess.Tests.Setup;
+using Org.Eclipse.TractusX.Portal.Backend.PortalBackend.PortalEntities;
 using Org.Eclipse.TractusX.Portal.Backend.PortalBackend.PortalEntities.Enums;
 using Xunit.Extensions.AssemblyFixture;
 
@@ -156,6 +157,50 @@ public async Task GetAllLanguages_ReturnsExpected()
 
     #endregion
 
+    #region GetCertificateTypes
+
+    [Fact]
+    public async Task GetCertificateTypes_ReturnsExpectedResult()
+    {
+        // Arrange
+        var sut = await CreateSut().ConfigureAwait(false);
+
+        // Act
+        var results = await sut.GetCertificateTypes().ToListAsync().ConfigureAwait(false);
+
+        // Assert
+        results.Should().HaveCount(12);
+    }
+
+    [Fact]
+    public async Task GetCertificateTypes_WithInactiveCertificateType_ReturnsExpectedResult()
+    {
+        // Arrange
+        var (context, sut) = await CreateSutWithContext().ConfigureAwait(false);
+        var active = new CompanyCertificateTypeAssignedStatus(CompanyCertificateTypeId.ISO_15504_SPICE, CompanyCertificateTypeStatusId.ACTIVE);
+        var inactive = new CompanyCertificateTypeAssignedStatus(CompanyCertificateTypeId.ISO_15504_SPICE, CompanyCertificateTypeStatusId.INACTVIE);
+        context.Remove(active);
+        context.Add(inactive);
+        await context.SaveChangesAsync().ConfigureAwait(false);
+
+        try
+        {
+            // Act
+            var results = await sut.GetCertificateTypes().ToListAsync().ConfigureAwait(false);
+
+            // Assert
+            results.Should().HaveCount(11);
+        }
+        finally
+        {
+            context.Remove(inactive);
+            context.Add(active);
+            await context.SaveChangesAsync().ConfigureAwait(false);
+        }
+    }
+
+    #endregion
+
     #region setup
 
     private async Task<StaticDataRepository> CreateSut()
@@ -165,5 +210,12 @@ private async Task<StaticDataRepository> CreateSut()
         return sut;
     }
 
+    private async Task<(PortalDbContext, StaticDataRepository)> CreateSutWithContext()
+    {
+        var context = await _dbTestDbFixture.GetPortalDbContext().ConfigureAwait(false);
+        var sut = new StaticDataRepository(context);
+        return (context, sut);
+    }
+
     #endregion
 }