NSW’s premier commercial diving service 

The Diving Company has been established for over 50 years, providing expert industrial diving services to the marine and construction industries in NSW and around Australia. We’re the first choice for both government and private company projects requiring professional diving and underwater workmanship. Combining our extensive experience and highly developed skill, we find innovative solutions to underwater problems. We offer assistance to marine projects, large or small, providing direct supervision and liaison at all stages ofassignment. 

 About us

The Diving Co was established in 1965 and was located at Warraba Road in Narrabeen. Since then, The Diving Company has been based at Harbord NSW before relocating to our current location in Seaforth in 1991. Our centrally located office is easily accessible for clients and large enough to store our specialised engineering equipment. Our Directors Simon Guthrie and Mark Dowd lead our team of underwater experts throughout all projects.

Commercial diver inspects structure
Gulf of mexico oil rig

Simon Guthrie 

Director and Project Manager Simon Guthrie has been with the company since 1982. Having worked with Oceaneering International, Comex Australia and a variety of companies across Asia since 1972, Simon has extensive experience in leadership and underwater project management. He is currently President of the Australian Diving Contractors Association, a member of Australian Standards committees for Commercial Diving and was a founding board member of the Australian Underwater Training Centre. 

Mark Dowd

Director and Diving Superintendent Mark Dowd started his career in the Royal Australian Navy Clearing Diving Branch in 1973, spending operational time in Clearance Diving Team 1 and 2.  After leaving the Navy, Mark worked with Oceaneering International and Subsea in Brunei and Comex in Bass Stright. For the past 20 years Mark has been the leader of project delivery, ensuring quality workmanship  andsite safety on all contracts undertaken. 

Clearance diver, Mark Dowd

For more information on our team and what we do call 02 9907 9900.

or check out our 'services' and 'projects' tabs