A licence is required for the use of a vessel, in the course of a trade or business carried on in or from any place for the purpose of letting it on hire or carrying for reward 12 or fewer passengers, for pleasure, recreational, educational or sporting purposes.
Below is all the information you will require to apply for a Boat Hire Licence.
The application form is available in both Word (below) and PDF version (on the right-hand side of this page under 'Current Documents'):