About GTO Limited

  • GTO Limited is an international oil and gas exploration and production company, currently focused on the acquisition, exploration and development of energy reserves in the UK North Sea and NW France.
  • GTO was established in 2003 and has held exploration acreage in the UKCS North Sea, Netherlands and Hungary.
  • GTO has assembled a core portfolio of license blocks in the UK North Sea in the 28th Licensing Round and has retained a reduced but prospective area until December 2017.
  • GTO filed an application offshore France which went through the European Gazettal process unchallenged, and an award for the Marge du Finistere licence is currently in Force Majeur.

Proven deliverer of exploration and development success.


The GTO strategy has been Two Fold:

The Infrastructure

Acquire acreage close to existing infrastructure and with proven plays and potential – modest size and technical challenges – UK 30/22 and 30/23; UK 44/7, 8, 9 and 10; UK 15/11, 16b and 14/20e

The Potential

Large areas with ‘blue sky’ exploration potential with large upside and exploration running room – France – Marge du Finistere.

The Investment

Going forward GTO is now seeking investment and or partners to work these assets and to grow the value of the company.

Our Portfolio


GTO Directors collectively have many years of experience in the Southern, Central and Northern North Sea. We have acreage in all three areas in the map shown. For more details about each area, click on view document below.

GTO Blocks 14/20e  and  15/11 & 16f

View Document

GTO Blocks 44/ 8, 9 & 10

View Document


GTO filed an application offshore France which went through the European Gazettal process unchallenged, and an award for the Marge du Finistere licence is currently in Force Majeur. The successfully applied for and awarded license is equivalent to almost 2.5 UK Quadrants (~75 UK Blocks) and there are only 10 wells drilled, many of them pre-1980s. For more detail, click on view document below.

View Document

Who are GTO Limited?

Malcolm Pattinson – Chairman

Malcolm has almost 40 years in the oil and gas industry and most of it at Senior Management positions in companies operating in the UK and Netherlands sectors. As Vice President of Exploration for Hamilton Oil and Gas he was instrumental in the exploration, appraisal and development, as operator, of the Esmond, Forbes, Gordon, Ravenspurn North and Johnson Gas Fields in the UK Southern North Sea and for Exploration and appraisal of the K4/K5, F/16 and G/17 blocks in the offshore Netherlands. Whilst at Hamilton he was also responsible for the success in Bruce, Keith, Innes, Duncan and Liverpool Bay operations. In 1990 Malcolm was awarded UK Explorer of the Year by his peers in the industry. Malcolm in recent years has been active in a broad international arena working in senior roles for Ranger/CNR, Tullow Oil and Falcon Oil and Gas in Europe and Africa. Malcolm is a proven deliverer of exploration and development success.

Mike Jones – Director

Mike has worked for over 30 years in the petroleum industry. As a geologist he worked extensively in the UK and Netherlands sectors of the North Sea and was instrumental in the exploration and appraisal success of the Ravenspurn North, Johnson and K4/K5 gas fields, and for the exploration of numerous permits across the UK and Netherlands sectors for Hamilton Oil and Gas. More recently he was Exploration Manager for BHP Billiton and had responsibility for the exploration and appraisal success of a major oil field in the Berkine Basin, Algeria. Whilst at BHP Billiton he also gained extensive international experience as New Ventures Manager and in business development throughout Africa and the Middle East. Recent success has been with GTO in the UK licence rounds, offshore Netherlands, Hungary and France. Mike also advises Vitol E&P on global exploration activity.

Malcolm Groom – Commercial Director

Malcolm is a qualified solicitor who has specialised in energy law for nearly 30 years, and since 2003 has been practising as an independent international legal adviser specialising in oil, gas and liquefied natural gas (LNG). Malcolm has worked in over 30 countries both on commercial deals and governmental/regulatory structures. As well as having been a partner at Warrens he headed the energy groups at both Denton Hall and Norton Rose. He has held directorships at various companies including Consort Resources Limited and has advised a wide range of international companies including Shell, BHP Billiton, Lasmo, Monument and Tractebel. He is also consultant to a number of foreign governments on legal matters concerning the oil industry.

Graham Williams – Director

Graham is Emeritus Professor of Geology at Keele University, UK. He has worked as a consultant to the oil industry in North and South America, Africa, the Middle East and widely in Europe. He has published extensively on structural geology aspects of the petroleum industry and has directed numerous internationally sponsored research projects. Graham’s expertise is in structural geology, seismic interpretation, GIS, and basin analysis. He has a Batchelor’s degree from Leicester University, a PhD from Cardiff University, is a Fellow of the Geological Society of London and is a Chartered Geologist.

Richard Harvey – Company Secretary

Richard is an experienced energy lawyer with over 30 years experience in the oil industry as a legal counsel, in exploration, development and production, initially with the British National Oil Corporation, then with Hamilton Brothers Oil & Gas Limited, and subsequently with BHP Billiton Petroleum Limited companies. He holds degrees in chemical and biological engineering and is a chartered engineer.

Andrew Glendenning – Finance Director

Andrew is a chartered accountant, with significant experience in the oil and gas industry, having set up and run the treasury department for Hamilton Brothers Oil and Gas Limited, where he worked from 1981 until 1991 when it was taken over by BHP Petroleum Limited (BHP). He was appointed director at that company in 1999 and was responsible for BHP’s London treasury operations.

Contact Us

We’d love To Meet You In Person Or Via The Web!

Please contact us if you want more information about any of our acreage or
for general enquiries.

Name & Registered Office:
GTO LIMITED   21 Holborn Viaduct,  London.  EC1A 2DY

Phone: +44 (0) 7710 594821

Mike Jones (Director): mike.jones@mjerg.co.uk
Graham Williams (Director): grahamwilliams1@hotmail.com

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