The official and authoritative enquiry form for UK trademarks is located at the
UK IPO (Intellectual Property Organisation) website.
This will permit an initial check of existing UK trademarks across all trademark classes.
Alternatively you may use the IPO trademark search form below for a quick search:
For a description and overview of the UK trademark classes see
IPO Guide to UK trademark classification
Naturally, trademark registrations can be full of pitfalls.
Any business should consider enlisting the help of an expert, as mistakes could prove costly in the long run.
A few services for trademark registration are listed below:
UKTrademarkRegistration.co.uk
.