International Institute of Marine Surveying
For over 27 years, IIMS has been promoting the professionalism, training and recognition of marine surveyors in over 90 countries. It's an independent, non-political organisation which focuses on achieving the highest standard of work.

Yacht Designers and Surveyors Association
The YDSA has long been the UK's professional association for surveyors and designers.  Their world-renowned expertise is used to regulate the standard of the industry.

ABNB
UK's premier narrowboat brokers. They have a large directories of narrowboats for sale in the UK and a list of useful information for potential buyers.

Port of London Authority
The PLA operate along 95 miles of the River Thames. They are committed to keep commercial and leisure users safe. They also promote the use of river for trade and travel.

Royal Yachting Association
The national body for all forms of boating, including dinghy and yacht racing, motor and sail cruising, RIBs and sports boats, powerboat racing, windsurfing, canal and river boat cruising, and personal watercraft.

British Marine Surveyors Europe
BMSE is a specialist group of yacht and small craft surveyors that raises standards in the surveying industry by sharing technical information and training events. The group includes members from other countries but most are found in the UK

The Royal Institution of Naval Architects
An internationally renowned professional institution whose members are involved at all levels in the design, construction, maintenance and operation of marine vessels and structures. 

Maritime & Coastguard Agency
The official UK government portal for the Maritime and Coastguard Agency. You can find valuable information about the UK ship registry and official documents required for working at sea.