diff --git a/addons/stock/report/report_stock_forecast.py b/addons/stock/report/report_stock_forecast.py
index a6ecea78c6b..700aa5455de 100644
--- a/addons/stock/report/report_stock_forecast.py
+++ b/addons/stock/report/report_stock_forecast.py
@@ -12,6 +12,7 @@ class ReportStockForecat(models.Model):
     product_tmpl_id = fields.Many2one('product.template', string='Product Template', related='product_id.product_tmpl_id', readonly=True)
     cumulative_quantity = fields.Float(string='Cumulative Quantity', readonly=True)
     quantity = fields.Float(readonly=True)
+    company_id = fields.Many2one('res.company', string='Company', readonly=True)
 
     @api.model_cr
     def init(self):
@@ -21,19 +22,22 @@ class ReportStockForecat(models.Model):
         product_id as product_id,
         date as date,
         sum(product_qty) AS quantity,
-        sum(sum(product_qty)) OVER (PARTITION BY product_id ORDER BY date) AS cumulative_quantity
+        sum(sum(product_qty)) OVER (PARTITION BY product_id ORDER BY date) AS cumulative_quantity,
+        company_id
         FROM
         (SELECT
         MIN(id) as id,
         MAIN.product_id as product_id,
         SUB.date as date,
-        CASE WHEN MAIN.date = SUB.date THEN sum(MAIN.product_qty) ELSE 0 END as product_qty
+        CASE WHEN MAIN.date = SUB.date THEN sum(MAIN.product_qty) ELSE 0 END as product_qty,
+        MAIN.company_id as company_id
         FROM
         (SELECT
             MIN(sq.id) as id,
             sq.product_id,
             date_trunc('week', to_date(to_char(CURRENT_DATE, 'YYYY/MM/DD'), 'YYYY/MM/DD')) as date,
-            SUM(sq.quantity) AS product_qty
+            SUM(sq.quantity) AS product_qty,
+            sq.company_id
             FROM
             stock_quant as sq
             LEFT JOIN
@@ -42,7 +46,7 @@ class ReportStockForecat(models.Model):
             stock_location location_id ON sq.location_id = location_id.id
             WHERE
             location_id.usage = 'internal'
-            GROUP BY date, sq.product_id
+            GROUP BY date, sq.product_id, sq.company_id
             UNION ALL
             SELECT
             MIN(-sm.id) as id,
@@ -51,7 +55,8 @@ class ReportStockForecat(models.Model):
             THEN date_trunc('week', to_date(to_char(sm.date_expected, 'YYYY/MM/DD'), 'YYYY/MM/DD'))
             ELSE date_trunc('week', to_date(to_char(CURRENT_DATE, 'YYYY/MM/DD'), 'YYYY/MM/DD')) END
             AS date,
-            SUM(sm.product_qty) AS product_qty
+            SUM(sm.product_qty) AS product_qty,
+            sm.company_id
             FROM
                stock_move as sm
             LEFT JOIN
@@ -63,7 +68,7 @@ class ReportStockForecat(models.Model):
             WHERE
             sm.state IN ('confirmed','assigned','waiting') and
             source_location.usage != 'internal' and dest_location.usage = 'internal'
-            GROUP BY sm.date_expected,sm.product_id
+            GROUP BY sm.date_expected,sm.product_id, sm.company_id
             UNION ALL
             SELECT
                 MIN(-sm.id) as id,
@@ -72,7 +77,8 @@ class ReportStockForecat(models.Model):
                     THEN date_trunc('week', to_date(to_char(sm.date_expected, 'YYYY/MM/DD'), 'YYYY/MM/DD'))
                     ELSE date_trunc('week', to_date(to_char(CURRENT_DATE, 'YYYY/MM/DD'), 'YYYY/MM/DD')) END
                 AS date,
-                SUM(-(sm.product_qty)) AS product_qty
+                SUM(-(sm.product_qty)) AS product_qty,
+                sm.company_id
             FROM
                stock_move as sm
             LEFT JOIN
@@ -84,7 +90,7 @@ class ReportStockForecat(models.Model):
             WHERE
                 sm.state IN ('confirmed','assigned','waiting') and
             source_location.usage = 'internal' and dest_location.usage != 'internal'
-            GROUP BY sm.date_expected,sm.product_id)
+            GROUP BY sm.date_expected,sm.product_id, sm.company_id)
          as MAIN
      LEFT JOIN
      (SELECT DISTINCT date
@@ -103,6 +109,6 @@ class ReportStockForecat(models.Model):
              ((dest_location.usage = 'internal' AND source_location.usage != 'internal')
               or (source_location.usage = 'internal' AND dest_location.usage != 'internal'))) AS DATE_SEARCH)
              SUB ON (SUB.date IS NOT NULL)
-    GROUP BY MAIN.product_id,SUB.date, MAIN.date
+    GROUP BY MAIN.product_id,SUB.date, MAIN.date, MAIN.company_id
     ) AS FINAL
-    GROUP BY product_id,date)""")
+    GROUP BY product_id,date,company_id)""")
diff --git a/addons/stock/report/report_stock_forecast.xml b/addons/stock/report/report_stock_forecast.xml
index cb79660066b..86f59e3a65e 100644
--- a/addons/stock/report/report_stock_forecast.xml
+++ b/addons/stock/report/report_stock_forecast.xml
@@ -45,7 +45,7 @@
         <field name="view_type">form</field>
         <field name="view_mode">graph,pivot</field>
         <field name="search_view_id" ref="view_stock_level_forecast_filter"/>
-        <field name="context">{'search_default_pivot_by':1, 'search_default_graph_by':1, 'search_default_product_tmpl_id': active_id}</field>
+        <field name="context">{'search_default_pivot_by':1, 'search_default_graph_by':1, 'search_default_product_tmpl_id': active_id, group_by': ['company_id']}</field>
         <field name="view_id" ref="view_stock_level_forecast_pivot"/>
     </record>
 
@@ -55,7 +55,7 @@
         <field name="view_type">form</field>
         <field name="view_mode">graph,pivot</field>
         <field name="search_view_id" ref="view_stock_level_forecast_filter"/>
-        <field name="context">{'search_default_pivot_by':1, 'search_default_graph_by':1, 'search_default_product_id': active_id}</field>
+        <field name="context">{'search_default_pivot_by':1, 'search_default_graph_by':1, 'search_default_product_id': active_id, group_by': ['company_id']}</field>
         <field name="view_id" ref="view_stock_level_forecast_pivot"/>
     </record>
 </odoo>