diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06f5df4..61bf2bc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 #### Enhancements
 
 [#20595] Move the beans used in the view part into geoportal-data-common
+[#20435] Client integration with MongoConcessioni 
 
 ## [v1.1.0] - 2020-12-21
 
diff --git a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/server/GeoportalDataViewerServiceImpl.java b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/server/GeoportalDataViewerServiceImpl.java
index 65db888..13ffaf4 100644
--- a/src/main/java/org/gcube/portlets/user/geoportaldataviewer/server/GeoportalDataViewerServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/user/geoportaldataviewer/server/GeoportalDataViewerServiceImpl.java
@@ -1,14 +1,16 @@
 package org.gcube.portlets.user.geoportaldataviewer.server;
 
+import static org.gcube.application.geoportal.client.GeoportalAbstractPlugin.mongoConcessioni;
+
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.gcube.application.geoportal.client.legacy.ConcessioniManager;
 import org.gcube.application.geoportal.common.model.legacy.Concessione;
 import org.gcube.application.geoportal.common.model.legacy.UploadedImage;
+import org.gcube.application.geoportal.common.rest.MongoConcessioni;
 import org.gcube.application.geoportalcommon.ConvertToDataViewModel;
 import org.gcube.application.geoportalcommon.GeoNaDataViewerProfileReader;
 import org.gcube.application.geoportalcommon.GeoportalCommon;
@@ -186,8 +188,8 @@ public class GeoportalDataViewerServiceImpl extends RemoteServiceServlet impleme
 			if(itemType.equalsIgnoreCase("concessione")) {
 				
 				LOG.info("Trying to get concessione for id "+id);
-				ConcessioniManager concessioniManager = new ConcessioniManager();
-				Concessione concessione = concessioniManager.getById(id+"");
+				MongoConcessioni mongoConcessioni = mongoConcessioni().build();
+				Concessione concessione = 	mongoConcessioni.getById(id+"");
 				if (concessione != null) {
 					LOG.info("For id "+id+", got concessione "+concessione.getNome() +" from service");
 					List<UploadedImage> images = concessione.getImmaginiRappresentative();
@@ -234,7 +236,8 @@ public class GeoportalDataViewerServiceImpl extends RemoteServiceServlet impleme
 		try {
 			LOG.info("Trying to get record for id "+id);
 			SessionUtil.getCurrentContext(this.getThreadLocalRequest(), true);
-			Concessione concessione = new ConcessioniManager().getById(id+"");
+			MongoConcessioni mongoConcessioni = mongoConcessioni().build();
+			Concessione concessione = mongoConcessioni.getById(id+"");
 			LOG.info("Got concessione for id "+id);
 			if(concessione !=null) {
 				concessionDV = ConvertToDataViewModel.toConcessione(concessione);
diff --git a/src/test/java/org/gcube/portlets/user/geoportaldataviewer/GetConcessione.java b/src/test/java/org/gcube/portlets/user/geoportaldataviewer/GetConcessione.java
index 5bf0b80..b4ffa32 100644
--- a/src/test/java/org/gcube/portlets/user/geoportaldataviewer/GetConcessione.java
+++ b/src/test/java/org/gcube/portlets/user/geoportaldataviewer/GetConcessione.java
@@ -1,7 +1,8 @@
 package org.gcube.portlets.user.geoportaldataviewer;
 
-import org.gcube.application.geoportal.client.legacy.ConcessioniManager;
+import static org.gcube.application.geoportal.client.GeoportalAbstractPlugin.mongoConcessioni;
 import org.gcube.application.geoportal.common.model.legacy.Concessione;
+import org.gcube.application.geoportal.common.rest.MongoConcessioni;
 import org.gcube.application.geoportalcommon.ConvertToDataViewModel;
 import org.gcube.application.geoportalcommon.shared.products.ConcessioneDV;
 import org.gcube.common.authorization.library.provider.SecurityTokenProvider;
@@ -28,7 +29,8 @@ public class GetConcessione {
 		
 		try {
 			LOG.info("Trying to get record for id "+id);
-			Concessione concessione = new ConcessioniManager().getById(id+"");
+			MongoConcessioni mongoConcessioni = mongoConcessioni().build();
+			Concessione concessione = 	mongoConcessioni.getById(id+"");
 			LOG.info("For id "+id+", got concessione "+concessione);
 			LOG.info("Immagini Rappresentative are: "+concessione.getImmaginiRappresentative());
 			LOG.info("Relazione scavo: "+concessione.getRelazioneScavo());