Finance Business Partner

Job title Finance Business Partner  Division Finance & Commercial Location Hybrid - Clearwater Court - RG1 8DB
Contract type Permanent Full/Part-time Full-time or part-time Salary Offering between £65,000 to £70,000 per annum, depending on experience Job grade B Closing date 14/10/2025

At Thames Water, our purpose is simple but vital: to deliver life’s essential service, so our customers, communities, and the environment can thrive. Every day, we supply clean, safe drinking water to over 10 million customers and treat the wastewater of 16 million more.

We’re looking for a Finance Business Partner to join our Operations Finance team, supporting the Waste and Bioresources division. This role will be pivotal in driving financial performance, providing insight, and ensuring value for money across operating and capital investments.

What you’ll be doing as a Finance Business Partner

• Partnering with senior leaders across Waste and Bioresources to deliver robust financial reporting, forecasting, and analysis.
• Leading budgeting and forecasting processes, ensuring plans align with business ambitions and financial constraints.
• Producing timely and insightful performance reports that link financial results with operational outcomes, supporting effective decision-making.
• Challenging and supporting operational teams to achieve efficiencies and identify risks and opportunities.
• Reviewing and supporting investment business cases, ensuring affordability, accuracy, and strategic alignment.
• Maintaining and developing financial models to support planning, forecasting, and scenario analysis.
• Supporting key business activities, including regulatory returns, project tracking, and pan-finance initiatives.

Base location: Hybrid (Reading – Clearwater Court, with site visits across South and West London)

Working hours: 36 hours, Monday to Friday

What you should bring to the role

To thrive in this role, the essential criteria you’ll need is:

• A qualified accountant (ACA/ACCA/CIMA or equivalent)
• Strong experience in business partnering, management accounting, and project/capital accounting
• Excellent analytical and data manipulation skills, with the ability to translate numbers into actionable insight.
• Confident communicator, able to influence and challenge stakeholders across all levels.
• Strong organisational and planning skills, comfortable working in complex environments.
• Advanced Excel and Microsoft Office skills; experience with SAP, HFM, Power BI or SAC is desirable.
• Experience in large or complex organisations is an advantage.
• A Driving Licence is required

What’s in it for you?

• Competitive salary from £65,000 to £70,000 per annum, depending on experience
• Annual Leave: 26 days holiday per year, increasing to 30 with the length of service (plus bank holidays)
• Performance-related pay plan directly linked to both company and individual performance measures and targets
• Generous Pension Scheme through AON
• Access to lots of benefits to help you take care of you and your family’s health and wellbeing, and your finances – from annual health MOTs and access to physiotherapy and counselling, to Cycle to Work schemes, shopping vouchers and life assurance.

We’re the UK’s largest water and wastewater company, with more than 16 million customers relying on us every day to supply water for their taps and toilets. We want to build a better future for all, helping our customers, communities, people, and the planet to thrive. It’s a big job and we’ve got a long way to go, so we need help from passionate and skilled people, committed to making a difference and getting us to where we want to be in the years and decades to come.

Thames Water is a unique, rewarding, and diverse place to work, where every day you can make a difference, yet no day is the same. As part of our family, you’ll enjoy meaningful career opportunities, flexible working arrangements and excellent benefits.

If you’re looking for a sustainable and successful career where you can make a daily difference to millions of people’s lives while helping to protect the world of water for future generations, we’ll be here to support you every step of the way. Together, we can build a better future for…