Gridley & Company LLC (Gridley & Co.), a New York-based boutique investment bank that specializes in the Internet & Information Services industry, today announced that it has served as the exclusive financial advisor to DataStream Content Solutions, LLC, a leading provider of federal legislative and regulatory data and advanced content management systems to information businesses, publishers and governments, in its successful acquisition by The Dolan Company (NYSE: DM), a Minneapolis, Minnesota-based provider of services and business information to professionals in law, finance, and real estate.