Index: Ringtoets/Integration/src/Ringtoets.Integration.Plugin/AssessmentSectionMerger.cs
===================================================================
diff -u -r4d6a168b5ed07f629193388d22d8fd66c9e97a97 -r3184376fa30df621666dcfb53c411a0bb798650a
--- Ringtoets/Integration/src/Ringtoets.Integration.Plugin/AssessmentSectionMerger.cs	(.../AssessmentSectionMerger.cs)	(revision 4d6a168b5ed07f629193388d22d8fd66c9e97a97)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Plugin/AssessmentSectionMerger.cs	(.../AssessmentSectionMerger.cs)	(revision 3184376fa30df621666dcfb53c411a0bb798650a)
@@ -151,7 +151,9 @@
                 return;
             }
 
+            log.Info(Resources.AssessmentSectionMerger_StartMerge_Merging_projects_started);
             mergeHandler.PerformMerge(assessmentSection, assessmentSectionToMerge, failureMechanismToMerge);
+            log.Info(Resources.AssessmentSectionMerger_StartMerge_Merging_projects_succeeded);
         }
 
         private string SelectProject()
Index: Ringtoets/Integration/src/Ringtoets.Integration.Plugin/Properties/Resources.Designer.cs
===================================================================
diff -u -r36fb70b04307e0805488e2862cd94b1820f6bb1e -r3184376fa30df621666dcfb53c411a0bb798650a
--- Ringtoets/Integration/src/Ringtoets.Integration.Plugin/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision 36fb70b04307e0805488e2862cd94b1820f6bb1e)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Plugin/Properties/Resources.Designer.cs	(.../Resources.Designer.cs)	(revision 3184376fa30df621666dcfb53c411a0bb798650a)
@@ -160,6 +160,24 @@
         }
         
         /// <summary>
+        ///   Looks up a localized string similar to Samenvoegen van projecten is gestart..
+        /// </summary>
+        public static string AssessmentSectionMerger_StartMerge_Merging_projects_started {
+            get {
+                return ResourceManager.GetString("AssessmentSectionMerger_StartMerge_Merging_projects_started", resourceCulture);
+            }
+        }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Samenvoegen van projecten is gelukt..
+        /// </summary>
+        public static string AssessmentSectionMerger_StartMerge_Merging_projects_succeeded {
+            get {
+                return ResourceManager.GetString("AssessmentSectionMerger_StartMerge_Merging projects_succeeded", resourceCulture);
+            }
+        }
+        
+        /// <summary>
         ///   Looks up a localized string similar to &amp;Selecteren....
         /// </summary>
         public static string BackgroundData_SelectMapData {
Index: Ringtoets/Integration/src/Ringtoets.Integration.Plugin/Properties/Resources.resx
===================================================================
diff -u -r36fb70b04307e0805488e2862cd94b1820f6bb1e -r3184376fa30df621666dcfb53c411a0bb798650a
--- Ringtoets/Integration/src/Ringtoets.Integration.Plugin/Properties/Resources.resx	(.../Resources.resx)	(revision 36fb70b04307e0805488e2862cd94b1820f6bb1e)
+++ Ringtoets/Integration/src/Ringtoets.Integration.Plugin/Properties/Resources.resx	(.../Resources.resx)	(revision 3184376fa30df621666dcfb53c411a0bb798650a)
@@ -191,4 +191,10 @@
   <data name="AssessmentSectionMerger_No_AssessmentSection_selected" xml:space="preserve">
     <value>Er is geen traject geselecteerd.</value>
   </data>
+  <data name="AssessmentSectionMerger_StartMerge_Merging_projects_started" xml:space="preserve">
+    <value>Samenvoegen van projecten is gestart.</value>
+  </data>
+  <data name="AssessmentSectionMerger_StartMerge_Merging projects_succeeded" xml:space="preserve">
+    <value>Samenvoegen van projecten is gelukt.</value>
+  </data>
 </root>
\ No newline at end of file
Index: Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/AssessmentSectionMergerTest.cs
===================================================================
diff -u -r4d6a168b5ed07f629193388d22d8fd66c9e97a97 -r3184376fa30df621666dcfb53c411a0bb798650a
--- Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/AssessmentSectionMergerTest.cs	(.../AssessmentSectionMergerTest.cs)	(revision 4d6a168b5ed07f629193388d22d8fd66c9e97a97)
+++ Ringtoets/Integration/test/Ringtoets.Integration.Plugin.Test/AssessmentSectionMergerTest.cs	(.../AssessmentSectionMergerTest.cs)	(revision 3184376fa30df621666dcfb53c411a0bb798650a)
@@ -356,7 +356,7 @@
         }
 
         [Test]
-        public void GivenMatchedAssessmentSection_WhenAllDataValid_ThenMergePerformed()
+        public void GivenMatchedAssessmentSection_WhenAllDataValid_ThenMergePerformedAndLogged()
         {
             // Given
             var originalAssessmentSection = new AssessmentSection(AssessmentSectionComposition.Dike);
@@ -393,7 +393,13 @@
             Action call = () => merger.StartMerge(originalAssessmentSection);
 
             // Then
-            TestHelper.AssertLogMessagesCount(call, 0);
+            TestHelper.AssertLogMessages(call, messages =>
+            {
+                string[] msgs = messages.ToArray();
+                Assert.AreEqual(2, msgs.Length);
+                Assert.AreEqual("Samenvoegen van projecten is gestart.", msgs[0]);
+                Assert.AreEqual("Samenvoegen van projecten is gelukt.", msgs[1]);
+            });
             mocks.VerifyAll();
         }
     }