What it does: M Digital offers strategic consultancy services as well as planning and buying online media for its clients. Most of its major clients are companies that buy their traditional media through MindShare, although the division also has its own accounts.

Run by: Jed Glanvill and Nigel Sheldon, managing partners

Set up: 1997

Employees: 20

Key clients: IBM, Ford, Kellogg's, Nestle, Kimberly-Clark, American Express, Handbag.com, Travelselect.com, Kelkoo.com