About Us

Open Monday to Friday 08:00 – 17:00
Open Saturday (March to October) 09:00 – 11:45

Offshore Power has been established in Guernsey for over 20 years, with more than 50 years worth of experience and knowledge, providing quality engineering and a range of marine services including new & used boat/engine sales. We are the sole approved dealers in the Bailiwick of Guernsey for Mercury, Mariner, Mercury MerCruiser, Cummins, Cummins Onan, Stingher, Quicksilver Boats, Point 65 Kayaks, Odyssey Batteries, Parker Boats, Flexiteek Decking, AutoSmart and August Race cleaning products.

Offshore Power has full workshop, boat haulage and yard facilities as well as a fully stocked parts department. Our aim is to provide our customers with a complete care service, with dedicated technicians who are highly trained, passionate and fully qualified to service and repair any make or model of outboard or sterndrive. We have the latest computer software for most makes of outboards and sterndrives.


Mark Allsopp (Director) – Mark commenced his engineering career in 1991 and is fully factory certified to rig, service and repair all Mercury, Mariner & Cummins products including digital throttle, shift technology, Zeus and Axius.

Darren Philippe (Director) – Darren gained over 12 years experience within the motor trade industry before joining Offshore Power in 2003. He is a fully qualified service engineer and specialises in boat preparation, repairs & rigging and is also the person to go to for secondhand engines & boats.

Our Servicing Team – George Symons and Samuel Craft are responsible for the service, maintenance and repair of all makes of engines, providing a first-class service to our customers.

Chris Allsopp – (Parts) Chris is responsible for the ordering & stocking of the parts department.

Jayne Mauger – (Accounts & Warranty Administrator) We are agents and authorised warranty location for Mercury, MerCruiser, Mariner and Cummins. Jayne is responsible for the warranty updates and accounting procedures.

     Odyssey     br_stingher     Quicksilver

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