Siamo Recruitment are currently in need of Finance Administrators / Billing Officers for an ongoing temp - perm opportunity within a fabulous company. The Billing Officer is responsible for generating, processing, and managing invoices, ensuring accurate and timely billing, and maintaining financial records. The role involves collaboration with internal departments and clients to resolve billing issues, support revenue recognition processes, and ensure compliance with accounting standards and company policies. The ideal candidate will have a background in billing, accounting, revenue management, or administrative finance roles. Immediate start available. Full time hours Monday - Friday £12.21 per hour for the initial 12 weeks, with a rate increase. Key Responsibilities. Prepare and issue accurate invoices based on contracts, purchase orders, or project milestones. Monitor accounts receivable and follow up on outstanding invoices with clients/customers. Reconcile billing records with revenue reports and accounting entries. Maintain up-to-date billing systems and customer records. Liaise with internal teams (e.g., sales, project, operations) to validate billing details. Assist in month-end and year-end closing processes related to revenue and billing. Ensure compliance with company policies, tax regulations, and relevant accounting standards. Generate and analyze billing and revenue re...