Why We Exist

    Built to solve what others won't.

    Block One exists because the gap between what a business can achieve and what it is achieving is too big — and no one was solving it properly. Energy advisors didn't think strategically. Strategy firms didn't understand energy markets. And technology was always bolted on afterwards.

    We built Block One to integrate all three — energy, strategy and infrastructure — under one roof, led by operators who've spent decades doing the work, not just advising on it.

    The proof is already in the work. Our early case studies, and the competitive advantages we keep uncovering as we focus on one block at a time, show just how wide that gap really is — and how quickly it closes when someone finally turns over every stone.

    Read our Vision & Mission

    How it fits together

    Three disciplines. One operating model.

    Where Energy, Strategy and Infrastructure overlap is where most value sits — and where most firms can't operate. We work in the centre.

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    Energy + Strategy

    Procurement aligned to investment thesis — not isolated from it.

    Strategy + Infrastructure

    Plans that survive contact with assets, regulation and physical reality.

    Energy + Infrastructure

    Operational data turned into procurement and capex decisions.

    Leadership Team

    Operators, not observers.

    One Founder and two Founding Partners — each leading a discipline, each with the scars to prove it. Full bios below.

    Nick Proctor

    Nick Proctor

    Founder & CEO

    17 years building one of the UK's leading independent energy advisory businesses. Has advised central banks on living-sector energy investment across Poland and Turkey.

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    Andrew (AJ) Walker

    Andrew (AJ) Walker

    Founding Partner & Strategy Director

    5 years advising asset managers and developers on extracting commercial value from regulation-heavy environments, following 15 years in the commercial centre of John Lewis & Waitrose.

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    Mark Corne

    Mark Corne

    Founding Partner & MD — Energy

    15+ years navigating the UK energy market from the customer's side. Strips back the noise and delivers procurement aligned to business strategy — never to supplier incentives.

    Read full bio

    Governance

    Insurance & Compliance

    Block One maintains comprehensive professional insurance coverage. Certificates are available for download below.

    Professional Indemnity

    Covers advisory services, recommendations and professional advice provided to clients.

    Download PDF

    Public Liability

    Covers third-party injury or property damage arising from our business activities.

    Download PDF

    Employers' Liability

    Statutory cover for employees in accordance with UK regulatory requirements.

    Download PDF

    See what we can do.

    Explore our capabilities across energy, strategy and infrastructure — or start a conversation.

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