Revenue Controller

Affinia is the UK’s largest purpose‑led, purpose‑built Accountancy firm, focused on building stronger, more valuable relationships. With over 1,000 colleagues across the East, South East, London and the Midlands, we are dedicated to supporting our clients, colleagues and communities.

We advise businesses, public sector organisations, charities and individuals throughout the UK and internationally across six Service Lines - Accountancy & Advisory, Tax and Planning, Audit & Assurance, Corporate Finance, Payroll and Corporate Recovery. Our team also offer in‑depth sector expertise across a number of sectors, ensuring our clients receive the best short to medium and long‑term advice, tailored to them.

We are committed to delivering excellence in every aspect of our work, adapting to the evolving technology and regulatory landscape while consistently exceeding client expectations.

Our people are our most valuable asset. We are therefore committed to supporting our colleagues throughout their professional development, providing guidance and training at whatever stage of their career they join us.

The Revenue Controller is responsible for driving the effective conversion of Work in Progress (WIP) into billed revenue across the Affinia Group. Reporting to the Group Head of Working Capital, this new, growth position will provide dedicated ownership of revenue conversion performance, billing discipline, aged WIP management and lock‑up reduction. Working closely with Regional Heads, Office Leads, Service Line Heads, Client Managers and Finance teams, the Revenue Controller will challenge, influence and support stakeholders to improve billing performance, strengthen revenue governance and enhance working capital outcomes.

The role will play a central part in the delivery of Affinia’s billing transformation programme, supporting sustainable behavioural change, reducing revenue leakage and embedding best practice revenue management processes across the Group.

• Take ownership of aged WIP management and actively drive the conversion of WIP into billed revenue across the Group.
• Monitor WIP, billing and lock‑up performance, identifying risks, opportunities and areas requiring intervention.
• Partner with Regional Heads, Office Leads, Service Line Heads and Client Managers to improve billing performance and working capital outcomes.
• Lead regular WIP review meetings, ensuring clear actions are agreed, tracked and delivered.
• Challenge and “escalate” aged, high‑value or high‑risk balances to drive timely resolution and minimise write‑off exposure.
• Promote compliance with Group billing policies, revenue governance requirements and best practice revenue management principles.
• Identify revenue leakage risks, billing delays and process inefficiencies, recommending and supporting corrective actions.
• Produce and analyse WIP, billing and revenue performance reports, providing actionable insight to leadership teams.
• Support the implementation of billing improvement initiatives, including milestone, interim and recurring billing arrangements where appropriate.
• Work closely with Credit Control and Finance teams to improve end‑to‑end revenue conversion and cash generation performance.
• Undertake root cause analysis of WIP accumulation and support process improvements that strengthen billing discipline and reduce lock‑up.
• Contribute to the delivery of the Group’s working capital and billing transformation objectives, helping embed a culture of accountability, commercial awareness and timely billing.

• Experience in a Revenue Controller, WIP Controller, Billing, Working Capital or Revenue role.
• Operations role within a professional services environment.
• Strong understanding of WIP management, billing processes, revenue conversion and lock‑up management.
• Proven ability to influence, challenge and build credibility with senior stakeholders.
• Strong analytical skills with the ability to interpret data and identify trends, risks and opportunities.
• Commercially aware, with a focus on cash generation, revenue protection and performance improvement.
• Experience of managing aged WIP, billing performance…