Finance Manager - Tax FP&A

About the role:

Join the Tax FP&A Finance team as a Finance Manager, supporting the Tax Line of Service with financial planning, analysis and decision support across activity beyond individual business unit ownership. Working closely with the Finance Director, LoS CFAO, Finance Business Partners and senior stakeholders, the role helps deliver robust budgeting, forecasting and cost management, while providing high-quality commercial insight. Supporting a £900m revenue business with 200 partners and 2,500 employees, this position offers broad exposure to strategic finance, commercial analysis and cross-business collaboration in a dynamic environment.

What your days will look like:

- Support financial planning, budgeting and forecasting processes, delivering accurate analysis, maintaining planning models and providing high-quality financial insight to support business decisions.
- Manage the national cost base and partner with operational teams to monitor expenditure, improve forecasting accuracy and support effective financial decision-making.
- Deliver commercial analysis, management information and scenario modelling to support strategic initiatives, business cases, investment decisions and performance improvement.
- Lead and develop junior team members while supporting financial governance, month-end reporting, process improvement initiatives and automation opportunities across the FP&A function.

This role is for you if:

- Professionally qualified accountant (ACA, ACCA, CIMA or international equivalent) with strong experience in financial planning, budgeting, forecasting, financial modelling and management reporting.
- Strong commercial acumen with the ability to translate complex financial data into clear, actionable insights that support strategic decision-making and business performance.
- Excellent analytical and problem-solving skills, with experience interpreting data, identifying trends and providing effective challenge to drive improved outcomes.
- Sound understanding of financial controls, month-end processes and governance, with confidence using financial systems and planning tools to enhance reporting and forecasting.
- Strong stakeholder management and communication skills, with the ability to build trusted relationships and influence senior colleagues across Finance and the wider business.
- Experience leading or developing team members, managing multiple priorities and deadlines, and leveraging digital and AI-enabled tools to improve finance processes and performance.

What  you’ll  receive from us:

No matter where you may be in your career or personal life, our  benefits  are designed to add value and support, recognising and rewarding you fairly for your contributions.

We offer a range of benefits including empowered flexibility and a working week split between office,  home  and client site; private medical cover and 24/7 access to a qualified virtual GP; six volunteering days a year and much more.