The principal surveyor is Jeremy Greenwood. Jeremy is based in the East Midlands and is co-owner of Tristar Boats, a highly respected and long-standing boat-building company. Tristar Boats has been building high-quality narrow and wide beam canal boats to cat 'D' and Dutch replica barges and other barges to cat 'C' for 15 years. Jeremy also holds a BMET electrical qualification. In recent years Tristar Boats has moved from fitting conventional diesel propulsion engines to fitting hybrid propulsion systems.