JAMES Sutherland has been appointed managing director of aluminium glazing contractor Dortech Architectural Systems.

Mr Sutherland, 27, steps up from his role as commercial director.

Stephen Sutherland (left), 55, will reduce his day-to-day involvement in the firm, but remains chairman of the firm, which is based at Old Fieldhouse Lane, Huddersfield.

James Sutherland was appointed commercial director in 2006 after joining the firm as small works manager in 2005.