JFD is the world leading underwater capability provider, serving the commercial and defence markets with innovative diving, submarine and hyperbaric rescue, technical solutions and services.

Operating worldwide, the company is the world’s leading provider of submarine rescue capability and an established provider of submarine escape training. The company is at the forefront of Hyperbaric Rescue, along with being the leading supplier of commercial and defence diving equipment and saturation diving systems to the commercial industry.




JFD was created in 2014 through the merger of James Fisher Defence and Divex.

In 2015 JFD acquired the National Hyperbaric Centre to further boost the services offered to its customers.

In 2016 LEXMAR was acquired to enhance the capability and offering within JFD’s diving capability and suite of saturation diving systems.

JFD acquired diving and recompression specialist Cowan Manufacturing in February 2018.

In August 2019 JFD added to its portfolio with the acquisition of Ortega Submersibles BV, the Netherlands-based submersible boat designer and manufacturer.

Ansti Test Systems Ltd was acquired in January 2020, providing JFD with the capability to design and manufacture test facilities for performance measurement of underwater / surface breathing apparatus.

In March 2020, JFD acquired Fathom Systems, a leading provider of diver communications, gas analysis, diver monitoring and integrated diving control systems for Diving Support Vessels (DSVs). Fathom Systems are based in Portlethen, Aberdeen.


JFD is part of the James Fisher and Sons plc.