diff --git a/F4SDM42WebApi/F4SDHelperService.UserId.cs b/F4SDM42WebApi/F4SDHelperService.UserId.cs
index 0749414..6e50578 100644
--- a/F4SDM42WebApi/F4SDHelperService.UserId.cs
+++ b/F4SDM42WebApi/F4SDHelperService.UserId.cs
@@ -117,7 +117,7 @@ namespace C4IT.F4SD
                     var source = !useRoleScope && IsUnassignedOverviewKey(key)
                         ? unassignedEntries ?? new List<TicketOverviewEntry>()
                         : entries;
-                    counts[key] = source.Count(entry => MatchesTicketOverviewKey(entry, key));
+                    counts[key] = CountTicketOverviewEntries(source, key);
                 }
 
                 return new TicketOverviewCountsResult { Counts = counts };
diff --git a/F4SDM42WebApi/F4SDHelperService.cs b/F4SDM42WebApi/F4SDHelperService.cs
index da035bd..39ab77b 100644
--- a/F4SDM42WebApi/F4SDHelperService.cs
+++ b/F4SDM42WebApi/F4SDHelperService.cs
@@ -305,12 +305,17 @@ namespace C4IT.F4SD
             "TicketsActive",
             "TicketsCritical",
             "TicketsNewInfo",
-            "IncidentNew",
-            "IncidentActive",
-            "IncidentCritical",
-            "IncidentNewInfo",
-            "UnassignedTickets",
-            "UnassignedTicketsCritical"
+            "IncidentNew",
+            "IncidentActive",
+            "IncidentCritical",
+            "IncidentNewInfo",
+            "ServiceRequestsNew",
+            "ServiceRequestsActive",
+            "ServiceRequestsCritical",
+            "ServiceRequestsNewInfo",
+            "UnassignedTickets",
+            "UnassignedTicketsCritical",
+            "ServiceRequestsEnabled"
         };
 
         public class TicketOverviewCountsResult
@@ -396,12 +401,11 @@ namespace C4IT.F4SD
                 {
                     if (!useRoleScope && IsUnassignedOverviewKey(key))
                     {
-                        counts[key] = (unassignedEntries ?? new List<TicketOverviewEntry>())
-                            .Count(entry => MatchesTicketOverviewKey(entry, key));
-                    }
-                    else
-                    {
-                        counts[key] = entries.Count(entry => MatchesTicketOverviewKey(entry, key));
+                        counts[key] = CountTicketOverviewEntries(unassignedEntries, key);
+                    }
+                    else
+                    {
+                        counts[key] = CountTicketOverviewEntries(entries, key);
                     }
                 }
 
@@ -458,7 +462,7 @@ namespace C4IT.F4SD
                     var counts = new Dictionary<string, int>(StringComparer.OrdinalIgnoreCase);
                     foreach (var key in normalizedKeys)
                     {
-                        counts[key] = roleEntries.Count(entry => MatchesTicketOverviewKey(entry, key));
+                        counts[key] = CountTicketOverviewEntries(roleEntries, key);
                     }
 
                     countsByRole[roleId.ToString()] = counts;
@@ -929,13 +933,16 @@ namespace C4IT.F4SD
             }
         }
 
-        private static bool MatchesTicketOverviewKey(TicketOverviewEntry entry, string key)
-        {
-            if (entry == null || string.IsNullOrWhiteSpace(key))
-                return false;
-
-            var isTicket = !entry.IsIncident;
-            var hasPerson = entry.RecipientId != Guid.Empty;
+        private static bool MatchesTicketOverviewKey(TicketOverviewEntry entry, string key)
+        {
+            if (entry == null || string.IsNullOrWhiteSpace(key))
+                return false;
+
+            // TODO: Fachlich klaeren, ob Service Requests zusaetzlich unter "Tickets" aggregiert werden sollen.
+            var isTicket = string.Equals(entry.ActivityType, "SPSActivityTypeTicket", StringComparison.OrdinalIgnoreCase)
+                || (!entry.IsIncident && string.IsNullOrWhiteSpace(entry.ActivityType));
+            var isServiceRequest = string.Equals(entry.ActivityType, "SPSActivityTypeServiceRequest", StringComparison.OrdinalIgnoreCase);
+            var hasPerson = entry.RecipientId != Guid.Empty;
             var hasRole = entry.RecipientRoleId != Guid.Empty;
             var isCritical = entry.ReactionTimeEscalated || entry.SolutionTimeEscalated;
             var isNew = entry.State == 200;
@@ -957,16 +964,33 @@ namespace C4IT.F4SD
                     return entry.IsIncident && isActive;
                 case "IncidentCritical":
                     return entry.IsIncident && isCritical;
-                case "IncidentNewInfo":
-                    return entry.IsIncident && entry.NewInformationReceived;
-                case "UnassignedTickets":
-                    return !hasPerson && hasRole && isNew;
+                case "IncidentNewInfo":
+                    return entry.IsIncident && entry.NewInformationReceived;
+                case "ServiceRequestsNew":
+                    return isServiceRequest && (entry.State == 200 || entry.State == 201);
+                case "ServiceRequestsActive":
+                    return isServiceRequest && isActive;
+                case "ServiceRequestsCritical":
+                    return isServiceRequest && isCritical;
+                case "ServiceRequestsNewInfo":
+                    return isServiceRequest && entry.NewInformationReceived;
+                case "UnassignedTickets":
+                    return !hasPerson && hasRole && isNew;
                 case "UnassignedTicketsCritical":
                     return !hasPerson && hasRole && isCritical;
                 default:
                     return false;
-            }
-        }
+            }
+        }
+
+        private static int CountTicketOverviewEntries(IEnumerable<TicketOverviewEntry> entries, string key)
+        {
+            if (string.Equals(key?.Trim(), "ServiceRequestsEnabled", StringComparison.OrdinalIgnoreCase))
+                return ticketAndServiceRequestEnabled() ? 1 : 0;
+
+            return (entries ?? Enumerable.Empty<TicketOverviewEntry>())
+                .Count(entry => MatchesTicketOverviewKey(entry, key));
+        }
 
         private static bool GetBoolValue(object value)
         {
diff --git a/Legacy/F4SDM42WebApi/F4SDHelperService.cs b/Legacy/F4SDM42WebApi/F4SDHelperService.cs
index 3f60c2d..5804a0e 100644
--- a/Legacy/F4SDM42WebApi/F4SDHelperService.cs
+++ b/Legacy/F4SDM42WebApi/F4SDHelperService.cs
@@ -388,8 +388,13 @@ namespace C4IT.F4SD
             "IncidentActive",
             "IncidentCritical",
             "IncidentNewInfo",
+            "ServiceRequestsNew",
+            "ServiceRequestsActive",
+            "ServiceRequestsCritical",
+            "ServiceRequestsNewInfo",
             "UnassignedTickets",
-            "UnassignedTicketsCritical"
+            "UnassignedTicketsCritical",
+            "ServiceRequestsEnabled"
         };
 
         public class cF4SDTicket : cF4SDTicketSummary
@@ -532,12 +537,11 @@ namespace C4IT.F4SD
                 {
                     if (!useRoleScope && IsUnassignedOverviewKey(key))
                     {
-                        counts[key] = (unassignedEntries ?? new List<TicketOverviewEntry>())
-                            .Count(entry => MatchesTicketOverviewKey(entry, key));
+                        counts[key] = CountTicketOverviewEntries(unassignedEntries, key);
                     }
                     else
                     {
-                        counts[key] = entries.Count(entry => MatchesTicketOverviewKey(entry, key));
+                        counts[key] = CountTicketOverviewEntries(entries, key);
                     }
                 }
 
@@ -589,12 +593,11 @@ namespace C4IT.F4SD
                 {
                     if (!useRoleScope && IsUnassignedOverviewKey(key))
                     {
-                        counts[key] = (unassignedEntries ?? new List<TicketOverviewEntry>())
-                            .Count(entry => MatchesTicketOverviewKey(entry, key));
+                        counts[key] = CountTicketOverviewEntries(unassignedEntries, key);
                     }
                     else
                     {
-                        counts[key] = entries.Count(entry => MatchesTicketOverviewKey(entry, key));
+                        counts[key] = CountTicketOverviewEntries(entries, key);
                     }
                 }
 
@@ -652,7 +655,7 @@ namespace C4IT.F4SD
                     var counts = new Dictionary<string, int>(StringComparer.OrdinalIgnoreCase);
                     foreach (var key in normalizedKeys)
                     {
-                        counts[key] = roleEntries.Count(entry => MatchesTicketOverviewKey(entry, key));
+                        counts[key] = CountTicketOverviewEntries(roleEntries, key);
                     }
 
                     countsByRole[roleId.ToString()] = counts;
@@ -715,7 +718,7 @@ namespace C4IT.F4SD
                     var counts = new Dictionary<string, int>(StringComparer.OrdinalIgnoreCase);
                     foreach (var key in normalizedKeys)
                     {
-                        counts[key] = roleEntries.Count(entry => MatchesTicketOverviewKey(entry, key));
+                        counts[key] = CountTicketOverviewEntries(roleEntries, key);
                     }
 
                     countsByRole[roleId.ToString()] = counts;
@@ -1374,7 +1377,10 @@ namespace C4IT.F4SD
             if (entry == null || string.IsNullOrWhiteSpace(key))
                 return false;
 
-            var isTicket = !entry.IsIncident;
+            // TODO: Fachlich klaeren, ob Service Requests zusaetzlich unter "Tickets" aggregiert werden sollen.
+            var isTicket = string.Equals(entry.ActivityType, "SPSActivityTypeTicket", StringComparison.OrdinalIgnoreCase)
+                || (!entry.IsIncident && string.IsNullOrWhiteSpace(entry.ActivityType));
+            var isServiceRequest = string.Equals(entry.ActivityType, "SPSActivityTypeServiceRequest", StringComparison.OrdinalIgnoreCase);
             var hasPerson = entry.RecipientId != Guid.Empty;
             var hasRole = entry.RecipientRoleId != Guid.Empty;
             var isCritical = entry.ReactionTimeEscalated || entry.SolutionTimeEscalated;
@@ -1399,6 +1405,14 @@ namespace C4IT.F4SD
                     return entry.IsIncident && isCritical;
                 case "IncidentNewInfo":
                     return entry.IsIncident && entry.NewInformationReceived;
+                case "ServiceRequestsNew":
+                    return isServiceRequest && (entry.State == 200 || entry.State == 201);
+                case "ServiceRequestsActive":
+                    return isServiceRequest && isActive;
+                case "ServiceRequestsCritical":
+                    return isServiceRequest && isCritical;
+                case "ServiceRequestsNewInfo":
+                    return isServiceRequest && entry.NewInformationReceived;
                 case "UnassignedTickets":
                     return !hasPerson && hasRole && isNew;
                 case "UnassignedTicketsCritical":
@@ -1408,6 +1422,15 @@ namespace C4IT.F4SD
             }
         }
 
+        private static int CountTicketOverviewEntries(IEnumerable<TicketOverviewEntry> entries, string key)
+        {
+            if (string.Equals(key?.Trim(), "ServiceRequestsEnabled", StringComparison.OrdinalIgnoreCase))
+                return ticketAndServiceRequestEnabled() ? 1 : 0;
+
+            return (entries ?? Enumerable.Empty<TicketOverviewEntry>())
+                .Count(entry => MatchesTicketOverviewKey(entry, key));
+        }
+
         private static bool GetBoolValue(object value)
         {
             if (value == null || value is DBNull)
diff --git a/docs/postman/C4IT-F4SD-M42WebApi.postman_collection.json b/docs/postman/C4IT-F4SD-M42WebApi.postman_collection.json
index 253165b..f91d235 100644
--- a/docs/postman/C4IT-F4SD-M42WebApi.postman_collection.json
+++ b/docs/postman/C4IT-F4SD-M42WebApi.postman_collection.json
@@ -119,7 +119,7 @@
     },
     {
       "key": "overviewKeys",
-      "value": "TicketsNew,TicketsActive,TicketsCritical,TicketsNewInfo,IncidentNew,IncidentActive,IncidentCritical,IncidentNewInfo,UnassignedTickets,UnassignedTicketsCritical"
+      "value": "TicketsNew,TicketsActive,TicketsCritical,TicketsNewInfo,IncidentNew,IncidentActive,IncidentCritical,IncidentNewInfo,ServiceRequestsNew,ServiceRequestsActive,ServiceRequestsCritical,ServiceRequestsNewInfo,UnassignedTickets,UnassignedTicketsCritical,ServiceRequestsEnabled"
     },
     {
       "key": "queueOption",