Just noticed that Google has added a page dedicated to Ad professionals or companies that manage multiple Google Adwords accounts for themselves or on behalf of clients.

Designed for professionals who currently manage or want to manage multiple AdWords client accounts, the Google Advertising Professionals program can help you become a more successful ad manager – for free.

Benefits:

- Increase productivity with a more advanced AdWords account. - Save time and money with your new My Client Center. Manage multiple clients more efficiently through one interface. - Build your expertise with training. - Access the Learning Center -Google Name Recognition - Attract new clients with special promotions and features. - Use program features, such as promotional credits and marketing tools, to help bring in new clients.

This is great stuff, especially if you're stuck managing multiple projects and clients - way to go! Another score for Google on the way to more user-friendly and competent apps on the web.

With the new My Client Center one can:

• Easily view up to 1,000 linked AdWords accounts, including other client manager accounts, via the My Client Center view.
• See relevant information for all linked AdWords accounts in one place.
• Run reports across multiple client accounts at once or download the client "dashboard" into a .csv file.
• Use a single login to access all AdWords accounts.
• Create AdWords accounts and link them to this master account.

Visit https://adwords.google.com/select/ProfessionalWelcome