Our Story.

The team at Geomarine Limited have combined decades of knowledge, experience and capability with an innovative approach to problem solving.

Our core philosophy centres around business excellence, investment in our people, responsibility to our community, teamwork, innovative thinking and entrepreneurial spirit. Through this we strive to bring the best service to our customers by delivering quality products while developing excellent long term relationships.

As a part of the Garenne Construction Group, we benefit from significant parent company support and a wealth of experience from all areas of the construction industry to complement our own capabilities.

Our Team.

Iain Barclay

Iain Barclay

Operations Director

Joined Geomarine in February 2004 during which time has been at the forefront of many of the projects within Civil, Marine. Piling, Site Investigation, Rope Access, Utilities and specialist works.

Previous to Geomarine Iain has worked nationally from the Orkney Islands to Kent and Pembrokeshire as well as internationally in Singapore, Saudi Arabia and Oman.

Ian Gilmour

Ian Gilmour


After graduating with a degree in civil engineering in 1978, Mr Gilmour joined a UK contracting company before moving to Guernsey 32 years ago to work QE2 marina, Fish Quay and the two roll-on roll-off facilities in St Peter Port Harbour.

Ian, along with colleague Wedd Osmond established Geomarine in 1998 which has become the largest civil engineering contractor in the Channel Islands

Outside of work, Mr Gilmour is the treasurer of the Channel Islands Group of Professional Engineers which promotes engineering in the islands and encourages and assists young people into engineering as a career and also sits on the ICE review board interviewing and assessing applications to become members of the ICE.

Phil Horsley

Phil Horsley

Managing Director

Phil joined Geomarine from sister company Camerons, in 2010. Prior to this he delivered multi-million pound construction projects in the UK, including central London, and overseas before coming to Jersey in 2003. Phil is proud to be part of the team at Geomarine and remains accountable and contactable to all customers.

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