David Lawrence Wilkinson

Protocol National Ltd. provides recruitment and human resource outsourcing services. Its solutions include temporary academic staff; construction and building services recruitment; learning support staff; nursery, primary, secondary education staff; tutor, trainer, and assessor recruitment; recruiting for STEM subjects; senior executive and management recruitment; non-academic staff; permanent staffing solutions; and interim management recruitment. The company was founded on January 9, 1995 and is headquartered in Nottingham, the United Kingdom.

ELS Group Ltd. is a holding company which focuses in professional and administrative services. The company was founded in 1996 and is headquartered in Manchester, the United Kingdom.

Protocol Associates Ltd. provides educational software services. It offers educational database and management information software as well as training services. It operates through its subsidiaries Protocol National and Protocol Education. The company is headquartered in Nottingham, the United Kingdom.

Metsin Ltd. operated as a holding company with interests in television broadcasting services. The company was headquartered in London, the United Kingdom.