The Inland Revenue - The Inland Revenue's site; information on all your taxation needs. H.M.C.E. - Her Majesty's Customs and Excise.       Companies House - Limited Companies registration and database.       Sage - Sage is one of the packages we use, find out more on their website.       Team Sidewinder - Team Sidewinder's site; including information, pictures and contact details. Hull Trinity House - Hull Trinity House School is the 'birthplace' of Team Sidewinder and its site has much background information on the school.