About us

D2Zero provides decarbonisation and clean energy solutions, along with a range of mission critical products and services to support our customers operations within key industry sectors.

factory worker turning valve

About us

D2Zero provides decarbonisation and clean energy solutions, along with a range of mission critical products and services to support our customers operations within key industry sectors.

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Our service

The infrastructure needed to reach zero

We provide multiple decarbonisation and clean energy solutions, as well as a range of mission critical products and services to support our customers projects within key industry sectors.

Our company

Five companies with a singular goal in mind

D2Zero is the combination of five well established companies with deep expertise in critical energy infrastructure. Each has unique technologies and capabilities to decarbonise traditional energy whilst supporting the development of emerging energy sources. Altogether we have a driven and committed workforce of over 4,000 people.

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The D2Zero group

A little bit about each of our companies

Score logo

Score Group

A global market leader in the provision of advanced engineering and technology solutions for flow control and gas turbine applications across industries. Score’s expertise enables customers to manage and reduce emissions from valve operations and related infrastructure.

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Hydrasun logo

Hydrasun

A global market leader in the provision of integrated fluid transfer, power and control solutions and services. Hydrasun has an established track record delivering early-stage hydrogen projects for transportation and city scale decarbonisation.

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Fuel Cell systems logo

Fuel Cell Systems

An innovative provider of hydrogen hardware systems, including the design, build, and supply of proprietary refuelling systems for hydrogen mobility applications and integrated modular electrolyser systems for hydrogen production, storage and dispensing.

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Powerstar

Powerstar

A market-leading smart energy solutions provider, specialising in the design and manufacture of power management tech. Providing voltage optimisation, battery storage, and microgrid solutions that are ideal for grid constraints and the electrification of industry.

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Nexos

A recognised specialist provider of design, engineering, modification, and maintenance services, along with a range of innovative operational solutions for both the conventional and emerging energy industries. Using digital tech and modular solutions to decarbonise offshore and onshore infrastructure.

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Kelton

A leading flow measurement consultancy, helping global energy businesses optimize operations through precise system flow analysis. Kelton’s real-time monitoring and data gathering boost asset performance and compliance, helping customers improve efficiency, reduce costs, and lower carbon intensity.

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Our team

Board of Directors

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Colin Welsh

Chairman

Colin is a partner at SCF Partners and is Chairman of D2Zero. Prior to joining SCF in 2017, Colin served as Head of International Energy Investment Banking at Simmons & Company International. Colin joined Simmons in 1999 and built the firm’s activity outside of North America from its offices in Aberdeen, London and Dubai.

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Bob Drummond

Chief Executive Officer

Bob has worked in the Energy industry throughout his entire career and prior to joining D2Zero has been CEO / Managing Director in a number of major energy service companies. Bob has extensive experience in strategic and operations management, both in the UK and internationally, and in driving business growth both organically and through acquisition.

In addition to his role as CEO of D2Zero, Bob is Executive Chairman of Hydrasun and Fuel Cell Systems and a board member of Score Group, Global E&C and Powerstar. Bob is also a Co-Chair and board member of OEUK and a member of the North East of Scotland Hydrogen Ambition Steering Committee.

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Jeffrey Corray

Chief Financial Officer

Jeff is a qualified Chartered Accountant and has held a variety of roles from advisory, industry and private equity over his career. He was CEO of ITS Energy Services, an international equipment services company, and before that a partner at KPMG. He is currently the Senior Independent Director at the Net Zero Technology Centre.

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Dr Valentina Kretzschmar

Non-Executive Director

Valentina has over 25 years’ experience in the energy sector and has held roles such as Energy Transition Director for Capricorn Energy, and most recently Vice President for Climate Risk and Strategy Consulting at Wood Mackenzie.

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Henry Cubbon

Non-Executive Director

Henry has over 35 years of senior executive experience in four FTSE100 groups, most recently at DCC plc, a global provider of low carbon energy to off-grid consumers, as President of their LPG division. Henry is experienced in building effective leadership teams and has a track record of creating value for stakeholders and promoting ESG principles.

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Steve Lockard

Non-Executive Director

Steve has over 40 years of experience in global operations leadership in the electronics and renewable energy sectors. He is the Chairman and former CEO of TPI Composites, a global wind blade manufacturer. He is also a member of the board of Tekmar Group, a leading technology and services provider to the offshore energy market.

Steve serves as an Operating Partner as SCF Partners where he supports energy transition investments and company platform building. He served for 10 years on the board of the American Wind Energy Association and helped to create the American Clean Power Association.

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Adam Kerr

Non-Executive Director

Adam joined SCF in 2021 and is based in Aberdeen, UK. Adam focuses on sourcing, evaluating and executing new investment opportunities in the UK and Europe whilst providing strategic support to SCF’s international portfolio. Adam is heavily involved in advancing the firms energy transition efforts. Outside of D2Zero and its constituent companies, Adam works closely with Tekmar Group to execute its strategic growth objectives in the offshore energy sector.

Adam graduated from Aberdeen Business School with a First-Class Honours in Accounting and Finance, subsequently joining Deloitte and qualifying as a Chartered Accountant with the Institute of Chartered Accounts of Scotland. Whilst at Deloitte, Adam worked in the Energy and Industrials Finance Advisory practise, providing due diligence and M&A transaction advisory services to a broad range of international energy clients. Adam held corporate development roles with high-growth international businesses prior to joining SCF.

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Nicola MacLeod

General Counsel & Director of Corporate Affairs

Nicola brings a wealth of experience to the Group, joining us from Spirit Energy, where she was Executive Vice President, General Counsel since 2018. Prior to this, Nicola was Director, Legal, Commercial & External Relations at Maersk Oil, leading the merger and integration of Total and Maersk in the UK.

Recognised in the Energy Council’s Top Female Leaders, Nicola is a Fellow of the Institute of Directors and a member of the Association of International Petroleum Negotiators. She has also held several non-executive roles. Nicola holds an MA in Politics, an MSc, a Law degree, and a Master of Commercial Laws.

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Get in touch

D2Zero is steadfast in its mission to reduce emissions whilst accelerating the transition to clean and sustainable energy solutions. Get in touch to see how we can help.

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