Finance Assistant – Part-Time

A leading US law firm is seeking a Finance Assistant to support the Finance Manager and wider London Finance function. This part-time role (Wednesday, Friday + one additional day) offers broad exposure across Accounts Payable, Billing, Cashiering, and general finance administration.

Law firm experience is required to be considered for this role.

• Monitor the invoices inbox and process vendor invoices in 3E promptly.
• Post daily invoices, including supplier bills, direct debits, and matter-related costs.
• Follow up with vendors to obtain VAT-compliant invoices.
• Process firm credit card transactions.
• Prepare weekly payment runs for suppliers, expenses, and adhoc payments.
• Handle daily SAR “pay when paid” transactions following client receipts.
• Set up new vendors in Elite 3E as required.
• Reconcile supplier statements and maintain accurate AP ledgers.
• Verify and process staff expense claims.
• Manage time transfers, adjustments, and corrections prior to billing.
• Prepare billing guides, drafts, and final invoices for Partner approval.
• Produce reports such as WIP, debtors, and time analysis when needed.

• Process daily office and client account transactions in line with regulatory requirements.
• Maintain office and client account ledgers.
• Create payment runs in 3E/banking platforms for Finance Manager and Partner approval.
• Ensure cash book postings are accurate and fully reconciled.

• Assist with audit preparation for SAR and LLP year-end requirements.
• Produce adhoc reports for Partners and senior stakeholders.

• Previous experience in a law firm is essential.
• Good understanding of Solicitors Accounts Rules and UK/EU VAT.
• Proficient in Elite 3E (AP and Billing).
• AAT or ILFM qualification (or currently studying) is beneficial but not required.