Team and Concepts (TnC) is a Hong Kong-based company and creator of EditGrid online spreadsheets. Founded in 2003 by David K. F. Lee and partners, TnC began as a software service provider for event organizers. Accumulated experience in serving intensive spreadsheet users, TnC later launched EditGrid in April 2006. It soon evolved into the leading online spreadsheet service. David K. F. Lee was nominated by BusinessWeek magazine as one of Asia’s Best Entrepreneurs under 25 in August 2006.

EditGrid is a member of OpenSAM.