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Mark is an experienced commercial lawyer with a broad range of expertise advising clients in connection with commercial contract and trading matters.

Over the past 15 years he has advised a wide variety of clients, providing pragmatic, commercially-focused legal advice to clients at all times.

Mark has particular experience in the energy, utilities, chemicals and pharmaceuticals sectors and has a long track record of advising clients on major commercial contracts and project matters.

He is recognised as a leading lawyer in his field and regularly presents on legal issues affecting the energy, and process sectors.


Mark’s clients have included major multi-national organisations in the energy and process industry sectors, smaller project development businesses, fast growth technology companies and a variety of debt and equity funders.

During his career he has advised clients including GDF Suez Energy, Barclays, Lloyds, Iona Capital, Carillion, Northern Powergrid, Mitsubishi Chemicals, SABIC, Croda, Akzo Nobel, and Ineos.

He advises a variety of businesses operating at various levels across the energy supply chain, including electricity generators and distributors, power and gas traders, plant operators and contractors, project developers and funders and major electricity users.

In the renewables sector, his experience includes advising several project developers in connection with schemes in the wind, solar PV, AD biogas, landfill gas, biomass and energy from waste fields, as well as advising the National Renewable Energy Centre (Narec) on a range of ETI financed renewable energy testing development projects.

In the conventional energy sector, Mark advises clients dealing with regulated electricity and gas matters, including gas trading agreements and electricity licence matters, maintenance and outsourcing arrangements.

He has been involved with some of the largest energy projects in the North of England, comprising approximately 3GW of energy plant development, across gas, wind, solar and EfW projects.

In the process sector, Mark’s advice covers issues including manufacturing and trading arrangements, research and development agreements, logistics arrangements, and process technology agreements.

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What our clients say

  • "Mark delivers full detailed understanding of the legal issues. He got to grips with the concerns of the board in a timely and expert manner."

    Colin Proudfoot, Finance Director, Martel Instruments Limited
  • "He is one of the few lawyers I have met who naturally understands a client's business from their perspective and views his advice as a means of assisting his client to addresses both strategic and operating issues and manage risk in their organisation. Mark's approach to client relationships is far more proactive and empathetic than that of most lawyers."

    Nigel Bennett, Owner, Sterndale Associates
  • "Mark is an experienced legal professional with a keen knowledge of the energy and natural resources sector. Commercial and focussed, he is a strong partner for any transaction."

    Chris Stott, Partner, KPMG
  • "He has a good lateral understanding of the energy sector and has been a tremendous help on both complex project development and high risk clean technology deals."

    Andy Williamson, Business Development Director, Shepherd Offshore Limited
  • "I have worked with Mark on a number of complicated transactions and I have always been extremely pleased with the support I have received. Hopefully there will be many more opportunities to work together in the future."

    Gerard Armstrong, Commercial Director, Sembcorp
  • "Mark Whitehead's clear thinking, practical commercial approach, combines with his experience and knowledge of the market to make him an asset on any project. His expertise is supported by a group of his specialist colleagues from across the firm who provide the same high quality service to ensure a successful outcome for all concerned."

Independent verdict

  • "Knowledgeable, thorough and reliable... able to respond positively to challenges."

    Legal 500
  • “Mark Whitehead…has ‘excellent all-round knowledge of the electricity market’.”

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