Billing Assistant

About the role

We are partnering with a growing international law firm to hire an experienced Legal Billing Assistant for their finance team in London. The role involves supporting the firm’s billing function, ensuring invoices are accurate, timely and compliant, while providing day‑to‑day assistance to fee earners and internal stakeholders. The position is full‑time and based in the firm’s London office, reporting to the finance manager.

Key responsibilities

• Process work‑in‑progress (WIP) and disbursement amendments, transfers and write‑offs.
• Monitor special billing rates and reconcile disbursements.
• Raise and post credit notes, amend bill groups (currency changes, time revaluations) and maintain client and matter records.
• Assist secretaries with complex bill preparation and liaise with the Tax Manager on VAT queries.
• Review, check and post bills to ensure accuracy and compliance with Solicitor’s Accounts Rules.

Required profile

• Previous experience in a legal billing or finance environment.
• Excellent attention to detail and high level of accuracy.
• Strong written and verbal communication, able to build relationships at all levels.
• Proactive, motivated team player with a positive attitude.
• Analytical and problem‑solving abilities to resolve billing queries.
• Good organisational skills and ability to manage competing priorities.
• Understanding of VAT and Solicitor’s Accounts Rules.

Required skills

• Microsoft Excel for reconciliations and data analysis.

What we offer

• Opportunity to join a successful, growing international law firm.
• Supportive and collaborative team environment.
• Excellent career development prospects.
• Competitive salary and comprehensive benefits package.