Alex and Harold Mann established Mann Consulting in 1990. Its mission is to provide computer support to creative professionals. With a presence in San Francisco and Los Angeles, the company supports thousands of people in more than 150 companies each year. The company is segmented into consulting and design groups. The groups function as an outsourced information technology department for companies, both large and small. Utilizing a custom database tracking system, this virtual IT department is more accountable than most internal IT departments, and provides its clients with alternatives to having to hire and keep computer staff onsite. The company is an authorized value-added reseller for Apple Computer, Hewlett Packard, Microsoft, Dantz, FileMaker, Deneba, Asante and other hardware and software manufacturers. It is also an Apple Solutions expert. Mann Consulting is headquartered in San Francisco.