Management Accountant (14-Month FTC)

Octopus Energy Group; Greater London; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

Octopus Energy Group seeks a Management Accountant to join OEGen and manage monthly management accounts for OEGen group entities, spanning regulated and non-regulated companies globally.

You will interact with stakeholders across subsidiaries, support audits, drive regulatory reporting, and contribute to finance transformation and future M&A activities. The role requires ACA/ACCA and superb Excel skills.

Qualifications

• Qualified accountant with ACA/ACCA preferred.
• Advanced Excel skills are essential.
• Ability to communicate with senior management and across entities.

Responsibilities

• Prepare, review, and analyse monthly management accounts for OEGen group entities.
• Support strategic finance initiatives and regulatory reporting.
• Liaise with external audit and facilitating year-end processes.
• Ensure compliance with regulatory requirements across regulated and non-regulated entities.
• Provide technical accounting insight and update senior management and the Board.

Skills

ACA/ACCA

Advanced Excel

Stakeholder communication

IFRS/GAAP knowledge

Regulated entities experience

Education

ACA/ACCA qualification

Tools

ERP systems

Job description

We're making energy fair, clean, and simple for all using technology.

Octopus Energy started with a bold idea: to build Britain’s first truly digital energy supplier. By combining world-class tech with brilliant humans who care deeply about customers and driving the renewable energy transition, we made it happen and in 2025, we became Britain’s largest energy supplier. Octopus Energy Group is a global energy transition collective. 10 businesses working across 4 continents to tackle energy transformation at nearly every front.

And within this group, Octopus Energy Generation (OEGEN) is a leader in sourcing, investing in, and managing a wide range of utility-scale renewable energy assets. As we continue to expand our investment base, we are dedicated to building a diverse team that reflects the communities we serve. Currently, we manage a global portfolio of over £8 billion in renewable energy assets.

We have a fantastic opportunity for a Management Accountant to join the OEGen team. This role focuses on managing the preparation of monthly management accounts for OEGen group entities, supporting strategic finance initiatives, and liaising with various stakeholders across the subsidiary entities. The candidate will work within OEGen, overseeing a range of entities from regulated to non-regulated companies globally.

This position requires an average of 3 days in the office per week

The ideal candidate will be able to start by November

What You'll Do

• Prepare, review, and analyse cash flow actuals and forecast for the OEGen, including capital call requests, cash flow reporting and reforecasting
• Prepare, review, and analyse management accounts and financial reports
• Liaise with the external audit team, assisting with queries and facilitating the year-end process
• Ensure compliance with regulatory requirements for both regulated and non-regulated entities as well as work closely with OEGen Compliance team on regulatory reporting and related audits
• Provide technical accounting insight by composing technical summary papers for complex accounting transactions, staying up to date with the development of all accounting treatments and reporting standards, and advising senior management and the Board on the impact that such changes may have on the business
• Ensure that accounting policies are applied consistently throughout the OEGen Group, liaising with international companies, and working closely with them to provide assistance where required
• Work closely with international subsidiaries to ensure consistent application of accounting policies and procedures
• Work closely with the tax team preparing monthly VAT returns and assist in the preparation of annual tax returns.
• Support strategic projects such as finance transformation, system implementation, and future M&A activity
• Provide support and coverage for Accounts Payable function, oversee employee expense reports, and assist with invoicing and issuing recharges to internal companies
• Regularly interact with department heads and other senior members of the Group on a variety of financial matters

What You'll Need

• Technically strong background and qualified accountant (ACA preferred)
• Advanced Excel skills
• Confidence to suggest improvements to systems and processes as the company continues to scale
• Ability to effectively communicate and present to senior management.
• Knowledge of local GAAP and IFRS accounting standards
• Previous experience working with regulated entities is a bonus
• Ability to liaise with stakeholders and external parties confidently
• Strong attention to detail and organisational skills

Why else you'll love it here

• Wondering what the salary for this role is? Just ask us! On a call with one of our recruiters it's something we always cover as we genuinely want to match your experience with the correct salary. The reason why we don't advertise is because we honestly have a degree of flexibility and would never want salary to be a reason why someone doesn't apply to Octopus - what's more important to us is finding the right octofit!
• Octopus Energy Group is a unique culture. An organisation where people learn, decide, and build quicker. Where people work with autonomy, alongside a wide range of amazing co-owners, on projects that break new ground. We want your hard work to be rewarded with perks you actually care about! We were named UK's top company to work for in 2025, and we ranked in top ten in the Sunday Times Best Places to Work 2026. Our Group CEO, Greg has recorded a podcast about our culture and how we empower our people. We’ve also been placed in the top 10 companies for senior leadership.
• Visit our UK perks hub - Octopus Employee Benefits

Are you ready for a career with us? We want to ensure you have all the tools and environment you need to unleash your potential.Need any specific accommodations?Whether you require specific accommodations or have a unique preference, let us know, and we'll do what we can to customise your interview process for comfort and maximum magic!

Studies have shown that some groups of people, like women, are less likely to apply to a role unless they meet 100% of the job requirements. Whoever you are, if you like one of our jobs, we encourage you to apply as you might just be the candidate we hire. Across Octopus, we're looking for genuinely decent people who are honest and empathetic. Our people are our strongest asset and the unique skills and perspectives people bring to the team are the driving force of our success. As an equal opportunity employer, we do not discriminate on the basis of any protected attribute. Our commitment is to provide equal opportunities, an inclusive work environment, and fairness for everyone.