diff --git a/addons/barcodes/static/tests/barcode_tests.js b/addons/barcodes/static/tests/barcode_tests.js
index 142fc0feca3..0e2996d8608 100644
--- a/addons/barcodes/static/tests/barcode_tests.js
+++ b/addons/barcodes/static/tests/barcode_tests.js
@@ -65,11 +65,13 @@ QUnit.test('Button with barcode_trigger', function (assert) {
                 '</header>' +
             '</form>',
         res_id: 2,
-        services: [NotificationService.extend({
-            notify: function (params) {
-                assert.step(params.type);
-            }
-        })],
+        services: {
+            notification: NotificationService.extend({
+                notify: function (params) {
+                    assert.step(params.type);
+                }
+            }),
+        },
         intercepts: {
             execute_action: function (event) {
                 assert.strictEqual(event.data.action_data.name, 'do_something',
@@ -512,11 +514,13 @@ QUnit.test('barcode_scanned only trigger error for active view', function (asser
                 '</form>',
         },
         res_id: 1,
-        services: [NotificationService.extend({
-            notify: function (params) {
-                assert.step(params.type);
-            }
-        })],
+        services: {
+            notification: NotificationService.extend({
+                notify: function (params) {
+                    assert.step(params.type);
+                }
+            }),
+        },
         viewOptions: {
             mode: 'edit',
         },
diff --git a/addons/bus/static/src/js/services/bus_service.js b/addons/bus/static/src/js/services/bus_service.js
index 9a40abae930..e0bf8b42636 100644
--- a/addons/bus/static/src/js/services/bus_service.js
+++ b/addons/bus/static/src/js/services/bus_service.js
@@ -7,7 +7,6 @@ var AbstractService = require('web.AbstractService');
 var core = require('web.core');
 
 var BusService =  AbstractService.extend({
-    name: 'bus_service',
     /**
      * @override
      */
diff --git a/addons/mail/static/src/js/services/mail_manager.js b/addons/mail/static/src/js/services/mail_manager.js
index 6f159951436..d04028267c2 100644
--- a/addons/mail/static/src/js/services/mail_manager.js
+++ b/addons/mail/static/src/js/services/mail_manager.js
@@ -44,7 +44,6 @@ var _lt = core._lt;
 var PREVIEW_MSG_MAX_SIZE = 350;  // optimal for native english speakers
 
 var MailManager =  AbstractService.extend({
-    name: 'mail_service',
     dependencies: ['ajax', 'bus_service', 'local_storage'],
     _ODOOBOT_ID: "ODOOBOT", // default authorID for transient messages
 
diff --git a/addons/mail/static/tests/chatter_tests.js b/addons/mail/static/tests/chatter_tests.js
index c7c082148a0..17f304b067a 100644
--- a/addons/mail/static/tests/chatter_tests.js
+++ b/addons/mail/static/tests/chatter_tests.js
@@ -424,7 +424,7 @@ QUnit.test('chatter: post, receive and star messages', function (assert) {
     var done = assert.async();
     assert.expect(27);
 
-    var bus = this.services[1].prototype.bus;
+    var bus = this.services.bus_service.prototype.bus;
 
     this.data.partner.records[0].message_ids = [1];
     this.data['mail.message'].records = [{
@@ -784,7 +784,7 @@ QUnit.test('chatter: discard changes on message post with post_refresh "recipien
     var getSuggestionsDef = $.Deferred();
 
     var messages = [];
-    var bus = this.services[1].prototype.bus;
+    var bus = this.services.bus_service.prototype.bus;
     var form = createView({
         View: FormView,
         model: 'partner',
diff --git a/addons/mail/static/tests/discuss_moderation_tests.js b/addons/mail/static/tests/discuss_moderation_tests.js
index 8940efa1185..65efc32cc36 100644
--- a/addons/mail/static/tests/discuss_moderation_tests.js
+++ b/addons/mail/static/tests/discuss_moderation_tests.js
@@ -533,7 +533,7 @@ QUnit.test('author: send message in moderated channel', function (assert) {
     assert.expect(4);
     var done = assert.async();
 
-    var bus = this.services[1].prototype.bus;
+    var bus = this.services.bus_service.prototype.bus;
 
     var messagePostDef = $.Deferred();
 
@@ -613,7 +613,7 @@ QUnit.test('author: sent message accepted in moderated channel', function (asser
     assert.expect(8);
     var done = assert.async();
 
-    var bus = this.services[1].prototype.bus;
+    var bus = this.services.bus_service.prototype.bus;
 
     this.data.initMessaging = {
         channel_slots: {
@@ -696,7 +696,7 @@ QUnit.test('author: sent message rejected in moderated channel', function (asser
     assert.expect(5);
     var done = assert.async();
 
-    var bus = this.services[1].prototype.bus;
+    var bus = this.services.bus_service.prototype.bus;
 
     this.data.initMessaging = {
         channel_slots: {
diff --git a/addons/mail/static/tests/discuss_tests.js b/addons/mail/static/tests/discuss_tests.js
index a061873c39b..9d61a0d2446 100644
--- a/addons/mail/static/tests/discuss_tests.js
+++ b/addons/mail/static/tests/discuss_tests.js
@@ -146,7 +146,7 @@ QUnit.test('@ mention in channel', function (assert) {
     assert.expect(34);
     var done = assert.async();
 
-    var bus = this.services[1].prototype.bus;
+    var bus = this.services.bus_service.prototype.bus;
     var fetchListenersDef = $.Deferred();
     var receiveMessageDef = $.Deferred();
 
@@ -432,7 +432,7 @@ QUnit.test('"Unstar all" button should reset the starred counter', function (ass
     assert.expect(2);
     var done = assert.async();
 
-    var bus = this.services[1].prototype.bus;
+    var bus = this.services.bus_service.prototype.bus;
     var messageData = [];
     _.each(_.range(1, 41), function (num) {
         messageData.push({
@@ -624,7 +624,7 @@ QUnit.test('convert emoji sources to unicodes on message_post', function (assert
     assert.expect(2);
     var done = assert.async();
 
-    var bus = this.services[1].prototype.bus;
+    var bus = this.services.bus_service.prototype.bus;
     var receiveMessageDef = $.Deferred();
 
     this.data.initMessaging = {
diff --git a/addons/mail/static/tests/helpers/mock_server.js b/addons/mail/static/tests/helpers/mock_server.js
index b7e5f91c87d..4f396b76df5 100644
--- a/addons/mail/static/tests/helpers/mock_server.js
+++ b/addons/mail/static/tests/helpers/mock_server.js
@@ -21,11 +21,8 @@ MockServer.include({
             this.initMessagingData = data.initMessaging;
             delete data.initMessaging;
         }
-        var BusService = _.find(options.services, function (Service) {
-            return Service.prototype.name === 'bus_service';
-        });
-        if (BusService) {
-            this.busBus = BusService.prototype.bus;
+        if (options.services && options.services.bus_service) {
+            this.busBus = options.services.bus_service.prototype.bus;
         }
 
         this._super.apply(this, arguments);
diff --git a/addons/mail/static/tests/helpers/test_utils.js b/addons/mail/static/tests/helpers/test_utils.js
index ff5370d57ab..f90a86bdd41 100644
--- a/addons/mail/static/tests/helpers/test_utils.js
+++ b/addons/mail/static/tests/helpers/test_utils.js
@@ -74,7 +74,6 @@ function getMailServices() {
         is_odoo_focused: function () { return true; },
     });
     var BusService =  AbstractService.extend({
-        name: 'bus_service',
         bus: new MockBus(),
 
         //--------------------------------------------------------------------------
@@ -89,10 +88,13 @@ function getMailServices() {
         }
     });
     var LocalStorageService = AbstractStorageService.extend({
-        name: 'local_storage',
         storage: new RamStorage(),
     });
-    return [MailService, BusService, LocalStorageService];
+    return {
+        mail_service: MailService,
+        bus_service: BusService,
+        local_storage: LocalStorageService,
+    };
 }
 
 return {
diff --git a/addons/mail/static/tests/systray/systray_messaging_menu_tests.js b/addons/mail/static/tests/systray/systray_messaging_menu_tests.js
index e1c5ef1851c..347233efd31 100644
--- a/addons/mail/static/tests/systray/systray_messaging_menu_tests.js
+++ b/addons/mail/static/tests/systray/systray_messaging_menu_tests.js
@@ -149,7 +149,7 @@ QUnit.test('messaging menu widget: messaging menu with 1 record', function (asse
 QUnit.test('messaging menu widget: no crash when clicking on inbox notification not associated to a document', function (assert) {
     assert.expect(3);
 
-    var bus = this.services[1].prototype.bus;
+    var bus = this.services.bus_service.prototype.bus;
 
     var messagingMenu = new MessagingMenu();
     testUtils.addMockEnvironment(messagingMenu, {
diff --git a/addons/mail/static/tests/thread_window_tests.js b/addons/mail/static/tests/thread_window_tests.js
index 724d24f901e..620aae407f6 100644
--- a/addons/mail/static/tests/thread_window_tests.js
+++ b/addons/mail/static/tests/thread_window_tests.js
@@ -28,30 +28,26 @@ QUnit.module('mail', {
             },
         };
         this.services = mailTestUtils.getMailServices();
-
-        // backup original thread window append to selector
-        this.MailService = _.find(this.services, function (Service) {
-            return Service.prototype.name === 'mail_service';
-        });
-        this.ORIGINAL_THREAD_WINDOW_APPENDTO = this.MailService.prototype.THREAD_WINDOW_APPENDTO;
+        this.ORIGINAL_THREAD_WINDOW_APPENDTO = this.services.mail_service.prototype.THREAD_WINDOW_APPENDTO;
 
         this.createParent = function (params) {
             var widget = new Widget();
 
             // in non-debug mode, append thread windows in qunit-fixture
             if (params.debug) {
-                self.MailService.prototype.THREAD_WINDOW_APPENDTO = 'body';
+                self.services.mail_service.prototype.THREAD_WINDOW_APPENDTO = 'body';
             } else {
-                self.MailService.prototype.THREAD_WINDOW_APPENDTO = '#qunit-fixture';
+                self.services.mail_service.prototype.THREAD_WINDOW_APPENDTO = '#qunit-fixture';
             }
 
+            params.services = _.clone(params.services);
             testUtils.addMockEnvironment(widget, params);
             return widget;
         };
     },
     afterEach: function () {
         // reset thread window append to body
-        this.MailService.prototype.THREAD_WINDOW_APPENDTO = 'body';
+        this.services.mail_service.prototype.THREAD_WINDOW_APPENDTO = 'body';
     },
 }, function () {
 
diff --git a/addons/web/static/src/js/core/abstract_service.js b/addons/web/static/src/js/core/abstract_service.js
index e6840cc92f9..c907b28f7c8 100644
--- a/addons/web/static/src/js/core/abstract_service.js
+++ b/addons/web/static/src/js/core/abstract_service.js
@@ -7,7 +7,6 @@ var ServicesMixin = require('web.ServicesMixin');
 
 var AbstractService = Class.extend(Mixins.EventDispatcherMixin, ServicesMixin, {
     dependencies: [],
-    name: null,
     init: function (parent) {
         Mixins.EventDispatcherMixin.init.call(this, arguments);
         this.setParent(parent);
diff --git a/addons/web/static/src/js/core/service_mixins.js b/addons/web/static/src/js/core/service_mixins.js
index 850e9983a74..170d5dd098a 100644
--- a/addons/web/static/src/js/core/service_mixins.js
+++ b/addons/web/static/src/js/core/service_mixins.js
@@ -20,12 +20,18 @@ var ServiceProviderMixin = {
 
         // add already registered services from the service registry
         _.each(core.serviceRegistry.map, function (Service, serviceName) {
+            if (serviceName in self.UndeployedServices) {
+                throw new Error('Service "' + serviceName + '" is already loaded.');
+            }
             self.UndeployedServices[serviceName] = Service;
         });
         this._deployServices();
 
         // listen on newly added services
         core.serviceRegistry.onAdd(function (serviceName, Service) {
+            if (serviceName in self.services || serviceName in self.UndeployedServices) {
+                throw new Error('Service "' + serviceName + '" is already loaded.');
+            }
             self.UndeployedServices[serviceName] = Service;
             self._deployServices();
         });
@@ -42,16 +48,16 @@ var ServiceProviderMixin = {
         var self = this;
         var done = false;
         while (!done) {
-            var Service = _.find(this.UndeployedServices, function (Service) {
+            var serviceName = _.findKey(this.UndeployedServices, function (Service) {
                 // no missing dependency
                 return !_.some(Service.prototype.dependencies, function (depName) {
                     return !self.services[depName];
                 });
             });
-            if (Service) {
-                var service = new Service(this);
-                this.services[Service.prototype.name] = service;
-                delete this.UndeployedServices[Service.prototype.name];
+            if (serviceName) {
+                var service = new this.UndeployedServices[serviceName](this);
+                this.services[serviceName] = service;
+                delete this.UndeployedServices[serviceName];
                 service.start();
             } else {
                 done = true;
diff --git a/addons/web/static/src/js/services/ajax_service.js b/addons/web/static/src/js/services/ajax_service.js
index 3446f651a59..bf754792932 100644
--- a/addons/web/static/src/js/services/ajax_service.js
+++ b/addons/web/static/src/js/services/ajax_service.js
@@ -6,7 +6,6 @@ var core = require('web.core');
 var session = require('web.session');
 
 var AjaxService = AbstractService.extend({
-    name: 'ajax',
     rpc: function (route, args, options, target) {
         return $.Deferred(function (def) {
             session.rpc(route, args, options).then(function () {
diff --git a/addons/web/static/src/js/services/local_storage_service.js b/addons/web/static/src/js/services/local_storage_service.js
index 016ed08f2b7..694dc6dacd0 100644
--- a/addons/web/static/src/js/services/local_storage_service.js
+++ b/addons/web/static/src/js/services/local_storage_service.js
@@ -10,7 +10,6 @@ var core = require('web.core');
 var localStorage = require('web.local_storage');
 
 var LocalStorageService = AbstractStorageService.extend({
-    name: 'local_storage',
     storage: localStorage,
 });
 
diff --git a/addons/web/static/src/js/services/notification_service.js b/addons/web/static/src/js/services/notification_service.js
index 2196626a4f5..cc87305a6a2 100644
--- a/addons/web/static/src/js/services/notification_service.js
+++ b/addons/web/static/src/js/services/notification_service.js
@@ -18,7 +18,6 @@ var id = 0;
  */
 
 var NotificationService = AbstractService.extend({
-    name: 'notification',
 
     custom_events: {
         close: '_onCloseNotification',
diff --git a/addons/web/static/src/js/services/report_service.js b/addons/web/static/src/js/services/report_service.js
index cfd62c0499f..006c546041a 100644
--- a/addons/web/static/src/js/services/report_service.js
+++ b/addons/web/static/src/js/services/report_service.js
@@ -9,7 +9,6 @@ var AbstractService = require('web.AbstractService');
 var core = require('web.core');
 
 var ReportService = AbstractService.extend({
-    name: 'report',
     dependencies: ['ajax'],
 
     /**
diff --git a/addons/web/static/src/js/services/session_storage_service.js b/addons/web/static/src/js/services/session_storage_service.js
index b9441f2e173..41c47af3923 100644
--- a/addons/web/static/src/js/services/session_storage_service.js
+++ b/addons/web/static/src/js/services/session_storage_service.js
@@ -10,7 +10,6 @@ var core = require('web.core');
 var sessionStorage = require('web.sessionStorage');
 
 var SessionStorageService = AbstractStorageService.extend({
-    name: 'session_storage',
     storage: sessionStorage,
 });
 
diff --git a/addons/web/static/tests/chrome/action_manager_tests.js b/addons/web/static/tests/chrome/action_manager_tests.js
index f59f3b30767..f68d343061f 100644
--- a/addons/web/static/tests/chrome/action_manager_tests.js
+++ b/addons/web/static/tests/chrome/action_manager_tests.js
@@ -1044,7 +1044,6 @@ QUnit.module('ActionManager', {
         assert.expect(14);
 
         var RamStorageService = AbstractStorageService.extend({
-            name: 'session_storage',
             storage: new RamStorage(),
         });
 
@@ -1052,7 +1051,9 @@ QUnit.module('ActionManager', {
             actions: this.actions,
             archs: this.archs,
             data: this.data,
-            services: [RamStorageService],
+            services: {
+                session_storage: RamStorageService,
+            },
             mockRPC: function (route, args) {
                 assert.step(args.method || route);
                 return this._super.apply(this, arguments);
@@ -1821,7 +1822,9 @@ QUnit.module('ActionManager', {
             actions: this.actions,
             archs: this.archs,
             data: this.data,
-            services: [ReportService],
+            services: {
+                report: ReportService,
+            },
             mockRPC: function (route, args) {
                 assert.step(args.method || route);
                 if (route === '/report/check_wkhtmltopdf') {
@@ -1862,11 +1865,14 @@ QUnit.module('ActionManager', {
             actions: this.actions,
             archs: this.archs,
             data: this.data,
-            services: [ReportService, NotificationService.extend({
-                notify: function (params) {
-                    assert.step(params.type || 'notification');
-                }
-            })],
+            services: {
+                report: ReportService,
+                notification: NotificationService.extend({
+                    notify: function (params) {
+                        assert.step(params.type || 'notification');
+                    }
+                }),
+            },
             mockRPC: function (route, args) {
                 assert.step(args.method || route);
                 if (route === '/report/check_wkhtmltopdf') {
@@ -1916,11 +1922,14 @@ QUnit.module('ActionManager', {
             actions: this.actions,
             archs: this.archs,
             data: this.data,
-            services: [ReportService, NotificationService.extend({
-                notify: function (params) {
-                    assert.step(params.type || 'notification');
-                }
-            })],
+            services: {
+                report: ReportService,
+                notification: NotificationService.extend({
+                    notify: function (params) {
+                        assert.step(params.type || 'notification');
+                    }
+                })
+            },
             mockRPC: function (route, args) {
                 assert.step(args.method || route);
                 if (route === '/report/check_wkhtmltopdf') {
@@ -2979,12 +2988,14 @@ QUnit.module('ActionManager', {
             actions: this.actions,
             archs: this.archs,
             data: this.data,
-            services: [SessionStorageService.extend({
-                setItem: function (key, value) {
-                    assert.strictEqual(value, JSON.stringify(expectedAction),
-                        "should store the executed action in the sessionStorage");
-                },
-            })],
+            services: {
+                session_storage: SessionStorageService.extend({
+                    setItem: function (key, value) {
+                        assert.strictEqual(value, JSON.stringify(expectedAction),
+                            "should store the executed action in the sessionStorage");
+                    },
+                }),
+            },
         });
 
         actionManager.doAction(3);
@@ -3010,14 +3021,16 @@ QUnit.module('ActionManager', {
             actions: this.actions,
             archs: this.archs,
             data: this.data,
-            services: [SessionStorageService.extend({
-                setItem: function (key, value) {
-                    if (checkSessionStorage) {
-                        assert.strictEqual(value, JSON.stringify(expectedAction),
-                            "should correctly store the executed action in the sessionStorage");
-                    }
-                },
-            })],
+            services: {
+                session_storage: SessionStorageService.extend({
+                    setItem: function (key, value) {
+                        if (checkSessionStorage) {
+                            assert.strictEqual(value, JSON.stringify(expectedAction),
+                                "should correctly store the executed action in the sessionStorage");
+                        }
+                    },
+                }),
+            },
         });
 
         // execute an action and open a record in form view
diff --git a/addons/web/static/tests/helpers/test_utils.js b/addons/web/static/tests/helpers/test_utils.js
index a1b2718fc1a..eb558af5deb 100644
--- a/addons/web/static/tests/helpers/test_utils.js
+++ b/addons/web/static/tests/helpers/test_utils.js
@@ -427,15 +427,15 @@ function addMockEnvironment(widget, params) {
     // Deploy services
     var done = false;
     while (!done) {
-        var index = _.findIndex(params.services, function (Service) {
+        var serviceName = _.findKey(params.services, function (Service) {
             return !_.some(Service.prototype.dependencies, function (depName) {
                 return !_.has(services, depName);
             });
         });
-        if (index !== -1) {
-            var Service = params.services.splice(index, 1)[0];
-            services[Service.prototype.name] = new Service(widget);
-            services[Service.prototype.name].start();
+        if (serviceName) {
+            var service = services[serviceName] = new params.services[serviceName](widget);
+            delete params.services[serviceName];
+            service.start();
         } else {
             done = true;
         }
diff --git a/addons/web/static/tests/services/notification_service_tests.js b/addons/web/static/tests/services/notification_service_tests.js
index aff3de8cc39..ac8603ae6f3 100644
--- a/addons/web/static/tests/services/notification_service_tests.js
+++ b/addons/web/static/tests/services/notification_service_tests.js
@@ -25,7 +25,9 @@ QUnit.module('Services', {
                 },
             },
             model: 'fake_model',
-            services: [NotificationService],
+            services: {
+                notification: NotificationService,
+            },
         };
     },
     afterEach: function () {
diff --git a/addons/web/static/tests/views/form_tests.js b/addons/web/static/tests/views/form_tests.js
index 9d4f6a0e9ad..219972f46c9 100644
--- a/addons/web/static/tests/views/form_tests.js
+++ b/addons/web/static/tests/views/form_tests.js
@@ -2850,17 +2850,19 @@ QUnit.module('Views', {
             arch: '<form string="Partners">' +
                         '<group><field name="foo"/></group>' +
                 '</form>',
-            services: [NotificationService.extend({
-                notify: function (params) {
-                    if (params.type !== 'warning') {
-                        return;
+            services: {
+                notification: NotificationService.extend({
+                    notify: function (params) {
+                        if (params.type !== 'warning') {
+                            return;
+                        }
+                        assert.strictEqual(params.title, 'The following fields are invalid:',
+                            "should have a warning with correct title");
+                        assert.strictEqual(params.message, '<ul><li>Foo</li></ul>',
+                            "should have a warning with correct message");
                     }
-                    assert.strictEqual(params.title, 'The following fields are invalid:',
-                        "should have a warning with correct title");
-                    assert.strictEqual(params.message, '<ul><li>Foo</li></ul>',
-                        "should have a warning with correct message");
-                }
-            })],
+                }),
+            },
         });
 
         form.$buttons.find('.o_form_button_save').click();
@@ -4934,11 +4936,13 @@ QUnit.module('Views', {
                 }
                 return result;
             },
-            services: [NotificationService.extend({
-                notify: function (params) {
-                    assert.step(params.type);
-                }
-            })],
+            services: {
+                notification: NotificationService.extend({
+                    notify: function (params) {
+                        assert.step(params.type);
+                    }
+                }),
+            },
         });
 
         form.$buttons.find('.o_form_button_edit').click();
diff --git a/addons/web/static/tests/views/list_tests.js b/addons/web/static/tests/views/list_tests.js
index 1b4b8f64153..b63ba83ae85 100644
--- a/addons/web/static/tests/views/list_tests.js
+++ b/addons/web/static/tests/views/list_tests.js
@@ -2154,13 +2154,15 @@ QUnit.module('Views', {
                     '<field name="foo" required="1"/>' +
                     '<field name="bar"/>' +
                 '</tree>',
-            services: [NotificationService.extend({
-                notify: function (params) {
-                    if (params.type === 'warning') {
-                        warnings++;
+            services: {
+                notification: NotificationService.extend({
+                    notify: function (params) {
+                        if (params.type === 'warning') {
+                            warnings++;
+                        }
                     }
-                }
-            })],
+                }),
+            },
         });
 
         // Start first line edition
diff --git a/addons/web_settings_dashboard/static/tests/dashboard_tests.js b/addons/web_settings_dashboard/static/tests/dashboard_tests.js
index c96087934d1..ed66ac3ecb2 100644
--- a/addons/web_settings_dashboard/static/tests/dashboard_tests.js
+++ b/addons/web_settings_dashboard/static/tests/dashboard_tests.js
@@ -88,11 +88,13 @@ QUnit.module('settings_dashboard', function () {
                 }
                 return this._super.apply(this, arguments);
             },
-            services: [NotificationService.extend({
-                notify: function (params) {
-                    assert.step(params.type);
-                }
-            })],
+            services: {
+                notification: NotificationService.extend({
+                    notify: function (params) {
+                        assert.step(params.type);
+                    }
+                }),
+            },
         });
 
         // enter an invalid email address to invite
@@ -167,11 +169,13 @@ QUnit.module('settings_dashboard', function () {
                 }
                 return this._super.apply(this, arguments);
             },
-            services: [NotificationService.extend({
-                notify: function (params) {
-                    assert.step(params.type);
-                }
-            })],
+            services: {
+                notification: NotificationService.extend({
+                    notify: function (params) {
+                        assert.step(params.type);
+                    }
+                }),
+            },
         });
 
         // simulate a copy paste of multiple email addresses