Trevor Caley Associates Limited is one of Britain's leading mosaic design, conservation and restoration companies.

Its directors, Trevor Caley and Anthony Barker bring together long-established expertise in mosaic design, execution, conservation and contract management. The company is run from their workshop in Hampshire. They undertake mosaic design commissions all over the UK, the Middle East and for cathedrals as far a field as Australia.

Recent commissions include extensive mosaic conservation and restoration work at St. Paul's Cathedral and a new mosaic design for the Royal Albert Hall.