Head of Finance

About the role

Type: Full-time Reports to: Chief Operating Officer What We Do At Heat Geek, we are tackling one of the UK’s biggest carbon contributors: home heating. Nearly 20% of all UK carbon emissions stems from home heating – and that contribution is even bigger on a global scale. At Heat Geek, we are changing that. By simplifying a traditionally complex industry and revolutionising the technology used by installers, we’re making low-carbon heating mainstream. We have already prevented over 1,000,000 kg of carbon from entering our atmosphere as of January 2026, and we aren’t stopping there! Join Us! People are at the core of who we are and what we do.

What you’ll do

• Our Heat Geek community is excited to bring a Head of Finance into our team. This person will own and evolve our finance function as Heat Geek scales. This is a hands-on leadership role: you’ll set the standards, build the processes, guide decision-making, and develop a high-performing finance team.
• You’ll balance strategic oversight with operational detail, bringing clarity, structure, and insight to a fast-moving business.
• If you’re reading this and it resonates with you, we know that you are talented and could do this work anywhere. But we want you to do it HERE, with us, because we need persevering teammates who care about making a real difference in the world.

What they’re looking for

Select a requirement to inspect fit, evidence or application context.

• Qualified accountant (ACA / ACCA / CIMA or equivalent)
• Proven startup or scale-up experience
• Comfortable operating in ambiguity and building structure where little exists
• Strong commercial mindset with excellent analytical skills
• A genuine desire to build and lead high-performing teams
• Practical and detail-oriented, but able to zoom out to the bigger picture
• Passionate about Heat Geek’s mission and the transition to low-carbon heating
• It’s a bonus if you have…
• Experience within a VC backed or private investor driven company
• Experience managing finances for international teams
• Worked in companies with multiple entities
• Worked in FinOps and/or process improvement
• Experience with a marketplace business model
• Experience with heat pumps, renewable energy, construction, or utilities

Benefits & working conditions

• This is a 3-day-in-the-office hybrid role where you will work with the team at our office in Sustainable Ventures in Waterloo, Europe's biggest climate tech hub. It's a 5-minute walk from Waterloo Station and an energising space for anyone working on climate change. And don’t get us started on the epic view!
• Some of our measurable benefits include:
• £5,000 contribution towards your own heat pump installation
• Shares in the company, allocated under a tax-incentivised scheme
• Salary that’s evaluated regularly, and based on skills, impact, and role scope—not negotiation tactics
• Private medical & dental insurance
• Learning and development budget
• Annual summer retreat
• Gym membership contribution
• Season ticket loan
• Cycle to work scheme
• Yoga, run club and social events with other sustainability startups in our co-working space
• …alongside monthly socials and regular collaboration opportunities with a team that’s passionate, hardworking, and kind.