Finance Assistant - Part-Time London Temporary (Possibility of going perm) 3 days per week 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 ideal to be considered for this role. Key Responsibilities Accounts Payable 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 ad-hoc 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. Billing 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. Cashiering 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 ..... full job details .....