diff --git a/runtime/analytics/index.ts b/runtime/analytics/index.ts
index 36613629..ffa65611 100644
--- a/runtime/analytics/index.ts
+++ b/runtime/analytics/index.ts
@@ -10,3 +10,4 @@ export {
 } from './interface';
 export { default as MockAnalyticsService } from './MockAnalyticsService';
 export { default as SegmentAnalyticsService } from './SegmentAnalyticsService';
+export type * from './types';
diff --git a/runtime/analytics/types.ts b/runtime/analytics/types.ts
new file mode 100644
index 00000000..1ed9797d
--- /dev/null
+++ b/runtime/analytics/types.ts
@@ -0,0 +1,7 @@
+export interface AnalyticsService {
+  sendTrackingLogEvent(eventName: string, properties: object): Promise<unknown>,
+  identifyAuthenticatedUser(userId: string | number, traits?: Record<string, unknown>): void,
+  identifyAnonymousUser(traits?: Record<string, unknown>): void,
+  sendTrackEvent(eventName?: string, properties?: Record<string, unknown>): void,
+  sendPageEvent(category: string, name: string, properties?: Record<string, unknown>): void,
+}
diff --git a/runtime/auth/index.ts b/runtime/auth/index.ts
index eaf890bb..49b74a4e 100644
--- a/runtime/auth/index.ts
+++ b/runtime/auth/index.ts
@@ -17,3 +17,4 @@ export {
   setAuthenticatedUser
 } from './interface';
 export { default as MockAuthService } from './MockAuthService';
+export type * from './types';
diff --git a/runtime/auth/types.ts b/runtime/auth/types.ts
new file mode 100644
index 00000000..f8d38e43
--- /dev/null
+++ b/runtime/auth/types.ts
@@ -0,0 +1,15 @@
+import { User } from '../../types';
+
+export interface AuthService {
+  getAuthenticatedHttpClient(options?: Record<string, unknown>): unknown,
+  getHttpClient(options?: Record<string, unknown>): unknown,
+  getLoginRedirectUrl(redirectUrl?: string): string,
+  redirectToLogin(redirectUrl?: string): void,
+  getLogoutRedirectUrl(redirectUrl?: string): string,
+  redirectToLogout(redirectUrl?: string): void,
+  getAuthenticatedUser(): User | null,
+  setAuthenticatedUser(authUser: User): void,
+  fetchAuthenticatedUser(options?: Record<string, unknown>): Promise<User | null>,
+  ensureAuthenticatedUser(redirectUrl?: string): Promise<User>,
+  hydrateAuthenticatedUser(): Promise<void>,
+}
diff --git a/runtime/logging/index.ts b/runtime/logging/index.ts
index c7ec935d..95d5d500 100644
--- a/runtime/logging/index.ts
+++ b/runtime/logging/index.ts
@@ -7,3 +7,4 @@ export {
 } from './interface';
 export { default as MockLoggingService } from './MockLoggingService';
 export { default as NewRelicLoggingService } from './NewRelicLoggingService';
+export type * from './types';
diff --git a/types.ts b/types.ts
index 4e81a595..cdb39d14 100644
--- a/types.ts
+++ b/types.ts
@@ -2,6 +2,9 @@ import { FC, ReactElement, ReactNode } from 'react';
 import { MessageDescriptor } from 'react-intl';
 import { RouteObject } from 'react-router';
 import { SlotOperation } from './runtime/slots/types';
+import { LoggingService } from './runtime/logging';
+import { AnalyticsService } from './runtime/analytics';
+import { AuthService } from './runtime/auth';
 
 // Apps
 
@@ -60,6 +63,22 @@ export interface RequiredSiteConfig {
 export type LocalizedMessages = Record<string, Record<string, string>>;
 export type SiteMessages = LocalizedMessages[];
 
+export type LoggingServiceClass = new (options: {
+  config: SiteConfig,
+}) => LoggingService;
+
+export type AnalyticsServiceClass = new (options: {
+  config: SiteConfig,
+  loggingService: LoggingService,
+  httpClient: unknown,
+}) => AnalyticsService;
+
+export type AuthServiceClass = new (options: {
+  config: SiteConfig,
+  loggingService: LoggingService,
+  middleware: unknown[],
+}) => AuthService;
+
 export interface OptionalSiteConfig {
   // Site environment
   environment: EnvironmentTypes;
@@ -96,7 +115,12 @@ export interface OptionalSiteConfig {
   ignoredErrorRegex: RegExp | null;
 
   // Analytics
-  segmentKey: string | null;
+  segmentKey: string | null,
+
+  // Services
+  loggingService: LoggingServiceClass,
+  analyticsService: AnalyticsServiceClass,
+  authService: AuthServiceClass,
 }
 
 export type SiteConfig = RequiredSiteConfig & Partial<OptionalSiteConfig>;
@@ -125,7 +149,7 @@ export interface User {
   roles: string[];
   userId: number;
   username: string;
-  avatar: string;
+  avatar?: string;
 }
 
 export enum EnvironmentTypes {