Swim England Trading Limited. PWTAG & Swim England. The Pool Water Treatment Advisory Group (PWTAG) has teamed up with Swim England to fulfil orders for its books, guides and posters. You have been re-directed to the Swim England shop in order to continue with your purchase. SWIM ENGLAND TRADING LIMITED - Free company information from Companies House including registered office address, filing history, accounts, annual return, officers, charges, business activity SWIM ENGLAND TRADING LIMITED (the "Company") is a Private Limited Company, incorporated on 15 December 1994 (Thursday) in UK. The company current operating status is Active and registered office is at PAVILION 3, SPORTPARK, 3 OAKWOOD DRIVE LOUGHBOROUGH UNIVERSITY, LOUGHBOROUGH, LEICESTERSHIRE.