Financial & Commercial Accountant

Job description
Financial & Commercial Accountant – Water & Heat

ESP Waters first customers came on supply in 2026 and due to rapid scaling up an accountant is needed to support the growth. ESP Heat is a newly launched segment, which expects to have the first customers on supply in 2026/7.

Role Purpose

To expand & develop the existing accounting processes and analysis for the water business, and later the new heat business.

To provide meaningful MI within the business to support the ongoing development of the commercial proposition.

Key Responsibilities
• Ensure revenue & cost recognition within the water business is accurate.
• Set up and maintain robust reconciliation for water in/water out.
• Provide meaningful P&L analysis at a site level.
• Assist Pricing with review of cost assumptions.
• Ofwat financial reporting.
• Oversee third party white label billing provider, ensuring all reporting provided is accurate and reconciles.
• Ad hoc internal reporting
• Assist in setting up Heat billing ahead of consumers going live, then all of the above for water again for heat as the business grows.

Key Skills
• Qualified ACA/ACCA accountant.
• At least 2/3 years PQE experience.
• Technically strong (IT, excel & financial accounting)
• Experience of water or heat utilities, or consumer billing ideal but not essential.

Person Specification
• Self- starter able to problem solve and apply initiative to create processes, workflows and reporting from scratch.
• Able to manage multiple work streams concurrently.
• Confident communicator, used to interacting at all levels within the business.

This is a new role which will sit within the Groups established Finance team of 12.

This role has a hybrid working model of 2/3 days a week onsite in our brand new Leatherhead office.

Benefits include:
• Holidays: 26 days, going up to 27 after 3 years and up to 28 after 5 years of employment. The company gives you the opportunity to buy/sell up to 3 days per year.
• Bonus
• Enhance Pension
• Private Medical Insurance
• Life insurance
• Employee Rewards Portal: access to exclusive discounts and flexible benefits such as Cycle to Work and EV car Salary Sacrifice Scheme.
• Enhanced Family Friendly benefits: Enhanced maternity and paternity pay and paid time off when receiving fertility treatment.
• Volunteering day: one day a year fully paid.