diff --git a/src/main/java/org/gcube/gcat/persistence/ckan/CKANGroup.java b/src/main/java/org/gcube/gcat/persistence/ckan/CKANGroup.java
index ae2f50a..9144968 100644
--- a/src/main/java/org/gcube/gcat/persistence/ckan/CKANGroup.java
+++ b/src/main/java/org/gcube/gcat/persistence/ckan/CKANGroup.java
@@ -98,4 +98,11 @@ public class CKANGroup extends CKAN {
 		}
 		return groups;
 	}
+	
+	public int count() {
+		list(100000, 0);
+		ArrayNode arrayNode = (ArrayNode) result;
+		return arrayNode.size();
+	}
+	
 }
diff --git a/src/main/java/org/gcube/gcat/persistence/ckan/CKANOrganization.java b/src/main/java/org/gcube/gcat/persistence/ckan/CKANOrganization.java
index 5b7fa58..dd1907f 100644
--- a/src/main/java/org/gcube/gcat/persistence/ckan/CKANOrganization.java
+++ b/src/main/java/org/gcube/gcat/persistence/ckan/CKANOrganization.java
@@ -1,12 +1,12 @@
 package org.gcube.gcat.persistence.ckan;
 
+import org.gcube.com.fasterxml.jackson.databind.node.ArrayNode;
+import org.gcube.com.fasterxml.jackson.databind.node.ObjectNode;
 import org.gcube.common.scope.impl.ScopeBean;
 import org.gcube.gcat.utils.ContextUtility;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import org.gcube.com.fasterxml.jackson.databind.node.ObjectNode;
-
 /**
  * @author Luca Frosini (ISTI - CNR)
  */
@@ -76,4 +76,11 @@ public class CKANOrganization extends CKAN {
 		ScopeBean scopeBean = new ScopeBean(context);
 		return scopeBean.name().toLowerCase();
 	}
+	
+	public int count() {
+		list(100000, 0);
+		ArrayNode arrayNode = (ArrayNode) result;
+		return arrayNode.size();
+	}
+	
 }
diff --git a/src/main/java/org/gcube/gcat/profile/ISProfile.java b/src/main/java/org/gcube/gcat/profile/ISProfile.java
index 8b35609..591544b 100644
--- a/src/main/java/org/gcube/gcat/profile/ISProfile.java
+++ b/src/main/java/org/gcube/gcat/profile/ISProfile.java
@@ -48,6 +48,14 @@ public class ISProfile {
 		return mapper;
 	}
 	
+	public int count() {
+		try {
+			return (new MetadataUtility()).getProfilesNames().size();
+		}catch(Exception e) {
+			throw new InternalServerErrorException(e);
+		}
+	}
+	
 	public ArrayNode list() {
 		ArrayNode arrayNode = mapper.createArrayNode();
 		
diff --git a/src/main/java/org/gcube/gcat/rest/BaseREST.java b/src/main/java/org/gcube/gcat/rest/BaseREST.java
index 1830510..91bc7ac 100644
--- a/src/main/java/org/gcube/gcat/rest/BaseREST.java
+++ b/src/main/java/org/gcube/gcat/rest/BaseREST.java
@@ -5,6 +5,7 @@ import javax.ws.rs.core.UriInfo;
 import javax.ws.rs.core.Response.ResponseBuilder;
 
 import org.gcube.common.authorization.library.provider.CalledMethodProvider;
+import org.gcube.gcat.api.GCatConstants;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -27,4 +28,14 @@ public class BaseREST {
 				String.format("%s/%s", uriInfo.getAbsolutePath().toString(), id));
 	}
 	
+	protected String createCountJson(int count) {
+		StringBuilder stringBuilder = new StringBuilder();
+		stringBuilder.append("{\"");
+		stringBuilder.append(GCatConstants.COUNT_KEY);
+		stringBuilder.append("\":");
+		stringBuilder.append(count);
+		stringBuilder.append("}");
+		return stringBuilder.toString();
+	}
+	
 }
diff --git a/src/main/java/org/gcube/gcat/rest/Group.java b/src/main/java/org/gcube/gcat/rest/Group.java
index e9e8b03..a6ef71b 100644
--- a/src/main/java/org/gcube/gcat/rest/Group.java
+++ b/src/main/java/org/gcube/gcat/rest/Group.java
@@ -11,6 +11,7 @@ import javax.ws.rs.PathParam;
 import javax.ws.rs.Produces;
 import javax.ws.rs.QueryParam;
 import javax.ws.rs.core.Response;
+import javax.xml.ws.WebServiceException;
 
 import org.gcube.gcat.ResourceInitializer;
 import org.gcube.gcat.annotation.PATCH;
@@ -30,8 +31,31 @@ public class Group extends REST<CKANGroup> implements org.gcube.gcat.api.interfa
 		super(GROUPS, GROUP_ID_PARAMETER, CKANGroup.class);
 	}
 	
+	/*
+	 * Not used as REST method, implemented to respect {@link org.gcube.gcat.api.interfaces.Item} interface
+	 */
+	@Override
+	public int count() throws WebServiceException {
+		CKANGroup ckan = getInstance();
+		return ckan.count();
+	}
+	
 	@GET
 	@Produces(ResourceInitializer.APPLICATION_JSON_CHARSET_UTF_8)
+	public String list(@QueryParam(GCatConstants.LIMIT_PARAMETER) @DefaultValue("10") int limit,
+			@QueryParam(GCatConstants.OFFSET_PARAMETER) @DefaultValue("0") int offset, 
+			@QueryParam(GCatConstants.COUNT_ONLY_PARAMETER) @DefaultValue("false") Boolean countOnly) {
+		if(countOnly) {
+			int count = count();
+			return createCountJson(count);
+		}else {
+			return list(limit, offset);
+		}
+	}
+	
+	/*
+	 * Not used as REST method, implemented to respect {@link org.gcube.gcat.api.interfaces.Item} interface
+	 */
 	@Override
 	public String list(@QueryParam(GCatConstants.LIMIT_PARAMETER) @DefaultValue("10") int limit,
 			@QueryParam(GCatConstants.OFFSET_PARAMETER) @DefaultValue("0") int offset) {
diff --git a/src/main/java/org/gcube/gcat/rest/Item.java b/src/main/java/org/gcube/gcat/rest/Item.java
index d22c981..09f3ba1 100644
--- a/src/main/java/org/gcube/gcat/rest/Item.java
+++ b/src/main/java/org/gcube/gcat/rest/Item.java
@@ -56,20 +56,12 @@ public class Item extends REST<CKANPackage> implements org.gcube.gcat.api.interf
 	public String list(@QueryParam(GCatConstants.LIMIT_PARAMETER) @DefaultValue("10") int limit,
 			@QueryParam(GCatConstants.OFFSET_PARAMETER) @DefaultValue("0") int offset, 
 			@QueryParam(GCatConstants.COUNT_ONLY_PARAMETER) @DefaultValue("false") Boolean countOnly) {
-		String ret = null;
 		if(countOnly) {
 			int count = count();
-			StringBuilder stringBuilder = new StringBuilder();
-			stringBuilder.append("{\"");
-			stringBuilder.append(GCatConstants.COUNT_KEY);
-			stringBuilder.append("\":");
-			stringBuilder.append(count);
-			stringBuilder.append("}");
-			ret = stringBuilder.toString();
+			return createCountJson(count);
 		}else {
-			ret = list(limit, offset);
+			return list(limit, offset);
 		}
-		return ret;
 	}
 	
 	/*
diff --git a/src/main/java/org/gcube/gcat/rest/Organization.java b/src/main/java/org/gcube/gcat/rest/Organization.java
index d1acc3c..e5eef1a 100644
--- a/src/main/java/org/gcube/gcat/rest/Organization.java
+++ b/src/main/java/org/gcube/gcat/rest/Organization.java
@@ -11,6 +11,7 @@ import javax.ws.rs.PathParam;
 import javax.ws.rs.Produces;
 import javax.ws.rs.QueryParam;
 import javax.ws.rs.core.Response;
+import javax.xml.ws.WebServiceException;
 
 import org.gcube.gcat.ResourceInitializer;
 import org.gcube.gcat.annotation.PATCH;
@@ -31,8 +32,31 @@ public class Organization extends REST<CKANOrganization>
 		super(ORGANIZATIONS, ORGANIZATION_ID_PARAMETER, CKANOrganization.class);
 	}
 	
+	/*
+	 * Not used as REST method, implemented to respect {@link org.gcube.gcat.api.interfaces.Item} interface
+	 */
+	@Override
+	public int count() throws WebServiceException {
+		CKANOrganization ckan = getInstance();
+		return ckan.count();
+	}
+	
 	@GET
 	@Produces(ResourceInitializer.APPLICATION_JSON_CHARSET_UTF_8)
+	public String list(@QueryParam(GCatConstants.LIMIT_PARAMETER) @DefaultValue("10") int limit,
+			@QueryParam(GCatConstants.OFFSET_PARAMETER) @DefaultValue("0") int offset, 
+			@QueryParam(GCatConstants.COUNT_ONLY_PARAMETER) @DefaultValue("false") Boolean countOnly) {
+		if(countOnly) {
+			int count = count();
+			return createCountJson(count);
+		}else {
+			return list(limit, offset);
+		}
+	}
+	
+	/*
+	 * Not used as REST method, implemented to respect {@link org.gcube.gcat.api.interfaces.Item} interface
+	 */
 	@Override
 	public String list(@QueryParam(GCatConstants.LIMIT_PARAMETER) @DefaultValue("10") int limit,
 			@QueryParam(GCatConstants.OFFSET_PARAMETER) @DefaultValue("0") int offset) {
diff --git a/src/main/java/org/gcube/gcat/rest/Profile.java b/src/main/java/org/gcube/gcat/rest/Profile.java
index 68ce3c2..2ba3daa 100644
--- a/src/main/java/org/gcube/gcat/rest/Profile.java
+++ b/src/main/java/org/gcube/gcat/rest/Profile.java
@@ -13,6 +13,7 @@ import javax.ws.rs.PUT;
 import javax.ws.rs.Path;
 import javax.ws.rs.PathParam;
 import javax.ws.rs.Produces;
+import javax.ws.rs.QueryParam;
 import javax.ws.rs.WebApplicationException;
 import javax.ws.rs.core.Context;
 import javax.ws.rs.core.MediaType;
@@ -23,6 +24,7 @@ import javax.ws.rs.core.UriInfo;
 
 import org.gcube.datacatalogue.metadatadiscovery.DataCalogueMetadataFormatReader;
 import org.gcube.gcat.ResourceInitializer;
+import org.gcube.gcat.api.GCatConstants;
 import org.gcube.gcat.profile.ISProfile;
 import org.xml.sax.SAXException;
 
@@ -53,10 +55,46 @@ public class Profile extends BaseREST implements org.gcube.gcat.api.interfaces.P
 	@Context
 	private UriInfo uriInfo;
 	
+	/*
+	 * Not used as REST method, implemented to respect {@link org.gcube.gcat.api.interfaces.Item} interface
+	 */
+	@Override
+	public int count() {
+		setCalledMethod("GET /" + PROFILES);
+		try {
+			ISProfile isProfile = new ISProfile();
+			return isProfile.count();
+		} catch(WebApplicationException e) {
+			throw e;
+		} catch(Exception e) {
+			throw new InternalServerErrorException(e);
+		}
+	}
+	
 	@GET
 	@Produces(MediaType.APPLICATION_JSON)
-	public String list() {
+	public String listOrCount(@QueryParam(GCatConstants.COUNT_ONLY_PARAMETER) @DefaultValue("false") Boolean countOnly) {
 		setCalledMethod("GET /" + PROFILES);
+		try {
+			ISProfile isProfile = new ISProfile();
+			if(countOnly) {
+				return createCountJson(isProfile.count());
+			}else{
+				ArrayNode arrayNode = isProfile.list();
+				return isProfile.getMapper().writeValueAsString(arrayNode);
+			}
+		} catch(WebApplicationException e) {
+			throw e;
+		} catch(Exception e) {
+			throw new InternalServerErrorException(e);
+		}
+	}
+	
+	/*
+	 * Not used as REST method, implemented to respect {@link org.gcube.gcat.api.interfaces.Item} interface
+	 */
+	@Override
+	public String list() {
 		try {
 			ISProfile isProfile = new ISProfile();
 			ArrayNode arrayNode = isProfile.list();
@@ -161,5 +199,5 @@ public class Profile extends BaseREST implements org.gcube.gcat.api.interfaces.P
 	public String update(String name, String xml) {
 		return createOrUpdate(name, xml).getEntity().toString();
 	}
-	
+
 }
diff --git a/src/test/java/org/gcube/gcat/persistence/ckan/CKANGroupTest.java b/src/test/java/org/gcube/gcat/persistence/ckan/CKANGroupTest.java
index a6001f5..969f776 100644
--- a/src/test/java/org/gcube/gcat/persistence/ckan/CKANGroupTest.java
+++ b/src/test/java/org/gcube/gcat/persistence/ckan/CKANGroupTest.java
@@ -14,10 +14,17 @@ public class CKANGroupTest extends ContextTest {
 	
 	private static Logger logger = LoggerFactory.getLogger(CKANGroupTest.class);
 	
+	@Test
+	public void count() throws Exception {
+		CKANGroup ckanGroup = new CKANGroup();
+		int count = ckanGroup.count();
+		logger.debug("The groups are {}", count);
+	}
+	
 	@Test
 	public void list() throws Exception {
 		CKANGroup ckanGroup = new CKANGroup();
-		String ret = ckanGroup.list(10, 0);
+		String ret = ckanGroup.list(10000, 0);
 		logger.debug("{}", ret);
 	}
 	
diff --git a/src/test/java/org/gcube/gcat/persistence/ckan/CKANOrganizationTest.java b/src/test/java/org/gcube/gcat/persistence/ckan/CKANOrganizationTest.java
index cb25939..d76a8bf 100644
--- a/src/test/java/org/gcube/gcat/persistence/ckan/CKANOrganizationTest.java
+++ b/src/test/java/org/gcube/gcat/persistence/ckan/CKANOrganizationTest.java
@@ -21,7 +21,15 @@ public class CKANOrganizationTest extends ContextTest {
 	*/
 	
 	@Test
-	public void listOrganization() throws Exception {
+	public void countOrganizations() throws Exception {
+		ContextTest.setContextByName("/gcube");
+		CKANOrganization ckanOrganization = new CKANOrganization();
+		int count = ckanOrganization.count();
+		logger.debug("The organizations are {}", count);
+	}
+	
+	@Test
+	public void listOrganizations() throws Exception {
 		ContextTest.setContextByName("/gcube");
 		CKANOrganization ckanOrganization = new CKANOrganization();
 		String ret = ckanOrganization.list(1000, 0);
diff --git a/src/test/java/org/gcube/gcat/profile/ProfileTest.java b/src/test/java/org/gcube/gcat/profile/ProfileTest.java
index 24f1064..d3a2314 100644
--- a/src/test/java/org/gcube/gcat/profile/ProfileTest.java
+++ b/src/test/java/org/gcube/gcat/profile/ProfileTest.java
@@ -18,6 +18,13 @@ public class ProfileTest extends ContextTest {
 	
 	private static Logger logger = LoggerFactory.getLogger(ProfileTest.class);
 	
+	@Test
+	public void count() throws Exception {
+		ISProfile profile = new ISProfile();
+		int count = profile.count();
+		logger.debug("We have {} types", count);
+	}
+	
 	@Test
 	public void list() throws Exception {
 		ISProfile profile = new ISProfile();