diff --git a/addons/web/static/src/js/widgets/switch_company_menu.js b/addons/web/static/src/js/widgets/switch_company_menu.js
index d8eab231c63..e8c188a6497 100644
--- a/addons/web/static/src/js/widgets/switch_company_menu.js
+++ b/addons/web/static/src/js/widgets/switch_company_menu.js
@@ -25,6 +25,7 @@ var SwitchCompanyMenu = Widget.extend({
     },
     // force this item to be the first one to the left of the UserMenu in the systray
     sequence: 1,
+    TOGGLE_DELAY: 1000,
     /**
      * @override
      */
@@ -47,6 +48,14 @@ var SwitchCompanyMenu = Widget.extend({
         return this._super.apply(this, arguments);
     },
 
+    //--------------------------------------------------------------------------
+    // Private
+    //--------------------------------------------------------------------------
+
+    _getElements() {
+        return [...this.el.querySelectorAll(".dropdown-item")];
+    },
+
     //--------------------------------------------------------------------------
     // Handlers
     //--------------------------------------------------------------------------
@@ -98,19 +107,32 @@ var SwitchCompanyMenu = Widget.extend({
         ev.preventDefault();
         ev.stopPropagation();
         var dropdownItem = $(ev.currentTarget).parent();
-        var companyID = dropdownItem.data('company-id');
-        var allowed_company_ids = this.allowed_company_ids;
-        var current_company_id = allowed_company_ids[0];
+        const allowedCompanyIds = this.allowed_company_ids;
+        const currentCompanyId = allowedCompanyIds[0];
         if (dropdownItem.find('.fa-square-o').length) {
-            allowed_company_ids.push(companyID);
             dropdownItem.find('.fa-square-o').removeClass('fa-square-o').addClass('fa-check-square');
             $(ev.currentTarget).attr('aria-checked', 'true');
         } else {
-            allowed_company_ids.splice(allowed_company_ids.indexOf(companyID), 1);
             dropdownItem.find('.fa-check-square').addClass('fa-square-o').removeClass('fa-check-square');
             $(ev.currentTarget).attr('aria-checked', 'false');
         }
-        session.setCompanies(current_company_id, allowed_company_ids);
+        const toggleCompany = () => {
+            [...this._getElements()].forEach((item) => {
+                const companyID = parseInt(item.getAttribute('data-company-id'));
+                if (item.querySelector('.fa-check-square')) {
+                    if (!allowedCompanyIds.includes(companyID)) {
+                        allowedCompanyIds.push(companyID);
+                    }
+                } else if (allowedCompanyIds.includes(companyID)) {
+                    allowedCompanyIds.splice(allowedCompanyIds.indexOf(companyID), 1);
+                }
+            });
+            session.setCompanies(currentCompanyId, allowedCompanyIds);
+        };
+        if (this.toggleTimeout) {
+            clearTimeout(this.toggleTimeout);
+        }
+        this.toggleTimeout = setTimeout(toggleCompany, this.TOGGLE_DELAY);
     },
 
 });
diff --git a/addons/web/static/tests/widgets/company_switcher_tests.js b/addons/web/static/tests/widgets/company_switcher_tests.js
index 23c32f97178..c30127e5462 100644
--- a/addons/web/static/tests/widgets/company_switcher_tests.js
+++ b/addons/web/static/tests/widgets/company_switcher_tests.js
@@ -89,6 +89,11 @@ QUnit.module('widgets', {
                 allowed_company_ids: [1],
             },
         };
+        this.originalToggleDelay = SwitchCompanyMenu.prototype.TOGGLE_DELAY;
+        SwitchCompanyMenu.prototype.TOGGLE_DELAY = 0;
+    },
+    afterEach: function () {
+        SwitchCompanyMenu.prototype.TOGGLE_DELAY = this.originalToggleDelay;
     },
 
 }, function () {
@@ -125,6 +130,38 @@ QUnit.module('widgets', {
             });
         });
 
+        QUnit.test("Toggle multiple companies at once", async function (assert) {
+            /**
+             *          [x] **Company 1**          [x] **Company 1**
+             *  toggle->[ ] Company 2     ====>    [x] Company 2
+             *  toggle->[x] Company 3              [ ] Company 3
+             */
+            assert.expect(2);
+            SwitchCompanyMenu.prototype.TOGGLE_DELAY = this.originalToggleDelay;
+            let resolver;
+            const prom = new Promise((r) => {
+                resolver = r;
+            });
+
+            const menu = await createSwitchCompanyMenu({
+                session: {
+                    ...this.session_mock_multi,
+                    setCompanies: function (mainCompanyId, companyIds) {
+                        assert.strictEqual(mainCompanyId, 1, "Main company should not have changed");
+                        assert.deepEqual(companyIds, [1, 2], "First and Second company should be activated");
+                        resolver();
+                    },
+                },
+            });
+
+            await testUtils.dom.click(menu.$('.dropdown-toggle')); // open company switcher dropdown
+            await testUtils.dom.click(menu.$(`div[data-company-id="2"] div.toggle_company`));
+            await testUtils.dom.click(menu.$(`div[data-company-id="3"] div.toggle_company`));
+
+            await prom;
+            menu.destroy();
+        });
+
         QUnit.test("Toggle active company in mutliple company mode", async function (assert) {
             /**
              *          [x] **Company 1**          [x] **Company 1**