- Bay Leisure - Supplier of pool and spa equipment
- Mars-Jones - Product logistics, storage, picking and packing
- Berwyn Leisure - Importers, suppliers and installers of high quality spas
- http://en.wikipedia.org/wiki/Swimming_pool - The free encyclopedia on swmimming pools
- http://jshep.users.ftech.net/pools.htm - The Swimming Pool Owners' Guide to Water Chemistry
- BISHTA - The British and Irish Spa and Hot Tub Association
- SPATA - The Swimming Pool and Allied Trades Association