JFD is an underwater capability company serving defence and commercial diving markets from bases in Scotland. It is part of James Fisher and Sons plc, the UK marine services group, and trades through JFD Limited, which is registered in Scotland with its registered office at Westhill in Aberdeenshire. Its subsea manufacturing facility is at Inchinnan Business Park in Renfrewshire.
The business designs, builds, and supports submarine rescue systems, saturation diving systems, commercial and military diving equipment, and hyperbaric rescue facilities, and it provides diver training. It supports the NATO Submarine Rescue System under contract to the UK Ministry of Defence and has supplied submarine rescue vehicles to overseas navies, including a system for the Republic of Korea Navy that completed acceptance trials at its Glasgow-area facility.
JFD Limited was incorporated in 1990 under the name Divex Limited, and the MOD has worked with the business since 1983. Recent developments include CE certification for its Stealth Multi-Role rebreather and a partnership with Exail on future UK mine countermeasure capability.