diff --git a/addons/crm_partner_assign/crm_partner_assign.py b/addons/crm_partner_assign/crm_partner_assign.py
index 046babccf73..317d1f289eb 100644
--- a/addons/crm_partner_assign/crm_partner_assign.py
+++ b/addons/crm_partner_assign/crm_partner_assign.py
@@ -53,6 +53,22 @@ class res_partner_activation(osv.osv):
 
 class res_partner(osv.osv):
     _inherit = "res.partner"
+
+    def _get_implemented_count(self, cr, uid, ids, field_name, arg, context):
+        res = dict.fromkeys(ids, 0)
+        for partner in self.browse(cr, uid, ids, context=context):
+            res[partner.id] = len(partner.implemented_partner_ids)
+        return res
+
+    def _get_partner_from_implementation(self, cr, uid, ids, context=None):
+        pids = set()
+        for partner in self.browse(cr, uid, ids, context=context):
+            pids.add(partner.id)
+            if partner.assigned_partner_id:
+                pids.add(partner.assigned_partner_id.id)
+            pids = pids | set([p.id for p in partner.implemented_partner_ids])
+        return list(pids)
+
     _columns = {
         'partner_weight': fields.integer('Grade Weight',
             help="Gives the probability to assign a lead to this partner. (0 means no assignation.)"),
@@ -71,6 +87,11 @@ class res_partner(osv.osv):
             'res.partner', 'assigned_partner_id',
             string='Implementation References',
         ),
+        'implemented_count': fields.function(
+            _get_implemented_count, string="Implementations", type='integer',
+            store={
+                'res.partner': (_get_partner_from_implementation, ['assigned_partner_id', 'implemented_partner_ids'], 10),
+            }),
     }
     _defaults = {
         'partner_weight': lambda *args: 0
diff --git a/addons/crm_partner_assign/res_partner_view.xml b/addons/crm_partner_assign/res_partner_view.xml
index c298832a2e6..67ac508ef00 100644
--- a/addons/crm_partner_assign/res_partner_view.xml
+++ b/addons/crm_partner_assign/res_partner_view.xml
@@ -112,6 +112,7 @@
                             <field name="grade_id" widget="selection"/>
                             <field name="activation" widget="selection"/>
                             <field name="partner_weight"/>
+                            <field name="assigned_partner_id"/>
                         </group>
                         <group>
                             <separator string="Partner Review" colspan="2"/>