diff --git a/src/Digitall.Testing/Extensions/FakedDataverseBuilderExtensions.cs b/src/Digitall.Testing/Extensions/FakedDataverseBuilderExtensions.cs
index 5a8a69e..7f371cf 100644
--- a/src/Digitall.Testing/Extensions/FakedDataverseBuilderExtensions.cs
+++ b/src/Digitall.Testing/Extensions/FakedDataverseBuilderExtensions.cs
@@ -1,9 +1,14 @@
 // Copyright (c) DIGITALL Nature. All rights reserved
 // DIGITALL Nature licenses this file to you under the Microsoft Public License.
 
+using System;
 using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Runtime.Serialization;
 using Digitall.Testing.OrganizationRequests;
 using Microsoft.Xrm.Sdk;
+using Microsoft.Xrm.Sdk.Metadata;
 
 namespace Digitall.Testing.Extensions;
 
@@ -33,6 +38,30 @@ public static FakedDataverseBuilder AddOrganizationRequests(this FakedDataverseB
         return builder;
     }
 
+    public static FakedDataverseBuilder AddEntityMetadata(this FakedDataverseBuilder builder, IEnumerable<EntityMetadata> metadata)
+    {
+        builder.OrganizationService.AddMetadata(metadata);
+        return builder;
+    }
+
+    public static FakedDataverseBuilder AddEntityMetadata(this FakedDataverseBuilder builder, params EntityMetadata[] metadata)
+    {
+        builder.OrganizationService.AddMetadata(metadata);
+        return builder;
+    }
+
+    public static FakedDataverseBuilder AddRelationships(this FakedDataverseBuilder builder, IEnumerable<RelationshipMetadataBase> relationships)
+    {
+        builder.OrganizationService.AddRelationships(relationships);
+        return builder;
+    }
+
+    public static FakedDataverseBuilder AddRelationships(this FakedDataverseBuilder builder, params RelationshipMetadataBase[] relationships)
+    {
+        builder.OrganizationService.AddRelationships(relationships);
+        return builder;
+    }
+
     /// <summary>
     /// Retrieves the underlying FakedDataverse service from the FakedDataverseBuilder at call time.
     /// </summary>
@@ -45,4 +74,33 @@ public static FakedDataverseBuilder GetFakedDataverse(this FakedDataverseBuilder
         service = builder.OrganizationService;
         return builder;
     }
+
+    /// <summary>
+    /// Loads EntityMetadata from XML files or directory.
+    /// </summary>
+    /// <param name="builder">builder instance</param>
+    /// <param name="path">The path to load from. Can be a file path to the XML file or path to the directory containing the XML files.</param>
+    /// <returns>builder instance</returns>
+    /// <exception cref="InvalidOperationException">path parameter is not a valid path</exception>
+    public static FakedDataverseBuilder LoadMetadata(this FakedDataverseBuilder builder, string path)
+    {
+        var serializer = new DataContractSerializer(typeof(EntityMetadata));
+
+        if (File.Exists(path))
+        {
+            var metadata = (EntityMetadata)serializer.ReadObject(File.OpenRead(path));
+            builder.OrganizationService.AddMetadata(metadata);
+        }
+        else if (Directory.Exists(path))
+        {
+            var metadata = Directory.GetFiles(path, "*.xml").Select(file => (EntityMetadata)serializer.ReadObject(File.OpenRead(file)));
+            builder.OrganizationService.AddMetadata(metadata);
+        }
+        else
+        {
+            throw new InvalidOperationException($"'{path}' is not a valid path.");
+        }
+
+        return builder;
+    }
 }
diff --git a/src/Digitall.Testing/FakedDataverse.cs b/src/Digitall.Testing/FakedDataverse.cs
index 6ba800a..a4818d1 100644
--- a/src/Digitall.Testing/FakedDataverse.cs
+++ b/src/Digitall.Testing/FakedDataverse.cs
@@ -66,6 +66,55 @@ public void AddRequests(params IOrganizationRequestFake[] requests)
         }
     }
 
+    public void AddMetadata(EntityMetadata entityMetadata)
+    {
+        EntityMetadata.Add(entityMetadata.LogicalName, entityMetadata);
+
+        var relationships = new List<RelationshipMetadataBase>();
+        relationships.AddRange(entityMetadata.ManyToManyRelationships);
+        relationships.AddRange(entityMetadata.OneToManyRelationships);
+        relationships.AddRange(entityMetadata.ManyToOneRelationships);
+
+        AddRelationships(relationships);
+    }
+
+    public void AddMetadata(IEnumerable<EntityMetadata> entityMetadata)
+    {
+        foreach (var metadata in entityMetadata)
+        {
+            AddMetadata(metadata);
+        }
+    }
+
+    public void AddMetadata(params EntityMetadata[] entityMetadata)
+    {
+        foreach (var metadata in entityMetadata)
+        {
+            AddMetadata(metadata);
+        }
+    }
+
+    public void AddRelationship(RelationshipMetadataBase relationship)
+    {
+        Relationships[relationship.SchemaName] = relationship;
+    }
+
+    public void AddRelationships(IEnumerable<RelationshipMetadataBase> relationships)
+    {
+        foreach (var relationship in relationships)
+        {
+            AddRelationship(relationship);
+        }
+    }
+
+    public void AddRelationships(params RelationshipMetadataBase[] relationships)
+    {
+        foreach (var relationship in relationships)
+        {
+            AddRelationship(relationship);
+        }
+    }
+
     public void AddDefaultRequests()
     {
         Assembly a = typeof(IOrganizationRequestFake).Assembly;