Senior Legal Biller

About the company

Our client is an established international law firm with a substantial London office. They are seeking a Senior Legal Biller to join the Finance team and support a varied portfolio of complex client matters.

Why join You will work in a collaborative finance function and build relationships with colleagues across legal, administrative, and operational teams.

Your tasks

• Manage the team billing inbox and workflow tools, responding to queries and processing requests within agreed service levels.
• Review engagement terms and billing instructions to confirm that invoices meet relevant regulatory, tax, and client requirements.
• Support period-end billing activity, WIP administration, reporting, and the maintenance of clear internal records.
• Prepare proformas and invoices using the firm's practice management system, checking payor information, tax treatment, currency, and matter-specific instructions.
• Work with colleagues in other offices on cross-border, multi-matter, and multi-currency billing.
• Resolve billing issues with lawyers, support teams, finance colleagues, and other relevant stakeholders.
• Process credit notes, invoice amendments, write-offs, reversals, and reissues when required.
• Help deliver scheduled billing cycles and ensure agreed client arrangements are followed.
• Contribute to process improvements, maintain practical guidance, and provide cover across the team as needed.

The team supports the billing lifecycle from work-in-progress review through invoice production and follow-up. It also provides useful financial information to help the business monitor performance and make informed decisions.

Requirements

About the role Are you an experienced legal biller ready to step to a senior level?

• Strong written and verbal communication skills, with the confidence to work effectively with lawyers, assistants, finance colleagues, and senior stakeholders.
• Hands-on experience of legal or professional-services billing and invoice processing; familiarity with a recognised practice management system is essential.
• Excellent attention to detail, sound organisation, and the ability to manage competing deadlines.
• Experience of complex billing arrangements, which may include multiple currencies, payors, tax treatments, or international stakeholders.
• A practical understanding of engagement terms, client structures, and the regulatory considerations relevant to legal billing.
• Competence in Microsoft Office, particularly Word and Excel, for reporting and document preparation.

Nice to have

• Exposure to cross-border or multi-jurisdictional billing.
• Experience with electronic billing tools or managed client billing arrangements.
• Evidence of taking on greater responsibility within a billing team.

What we offer

This is a strong progression opportunity for someone with solid billing experience who wants broader exposure to international work, a supportive team environment, and continued professional development.

The organisation supports flexible ways of working and aims to balance business needs with individual circumstances.

Other

The position follows a hybrid working model, combining time in the London office with home working. Standard full-time hours apply, and alternative working arrangements may be considered.

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