 Dulieu is founding trustee of UK Charity Kids in Sport, now part of "Heart of Bucks", and chairman of trustees for the National Youth Harp Orchestra Charitable Trust.Dulieu founded K & J Dulieu Limited (trading as Capitol Consultants) in 1983, later renamed Capitol Group plc in 1994, on its admission to the London Stock Exchange Official List.He acted as chief executive until the sale of the business to Carlisle Holdings plc in 1998.