Photographers
For best results, always look for qualified accredited photographers.
Check out the Master Photographers Association for listings of photographers in your area.
You can also use the British Institute of Professional photographers (BIPP).
Another good source is the Society of Wedding and Portrait Photographers (SWPP).
Wedding Suppliers etc
http://www.findaweddingsupplier.co.uk
DirectoryWedding.com - Directory of wedding websites, planning information, planning & coordinating and more.
Information
http://www.youandyourwedding.co.uk/