Company Registration Number:05683941 | FCA Registration Number: 452604. Johnstone Insurance Brokers Ltd are insurance brokers dealing with all forms of general insurance. R J P Marine is a trading style of Johnstone Insurance Brokers Ltd and specifically deals with personal watercraft, Jet-ski and pleasure craft insurance. Johnstone Insurance Brokers Ltd are authorised and regulated by the Financial Conduct Authority (FCA). You can check our registration on the FSA website at the following link www.fsa.gov.uk