Accounts Receivable Administrator

About us SFG20 is the industry standard for building maintenance. Providing services and pioneering technologies that empower people to create and sustain safer buildings. Our mission is to make buildings better using our standard, software and expertise. Our vision is to become the leading authority for built environment maintenance that protects and enhances quality of life. About the role The Accounts Receivable Administrator will play a key role in supporting the smooth running of SFG20’s finance operations, with a particular focus on sales ledger activity. You will be responsible for maintaining accurate customer records, processing invoices and payments, supporting credit control, and providing reliable reporting to help the business manage cash flow effectively. Working closely with internal teams and customers, you will help ensure billing and payment processes are accurate, timely and customer-focused. Key Responsibilities Invoicing & Billing Operations Set up new customer profiles in the accounting system, verifying creditworthiness and tax statuses. Handle routine correspondence with customers and internal departments regarding billing or payment statuses. Manage credit note requests and ensure transactions are authorised according to company policy. Payment Processing & Cash Application Post and reconcile daily customer payments received. Set up and maintain GoCardless direct debits and Stripe payment links. Match cash receipts accurately against open invoices, identifying and resolving any underpayments or discrepancies. Collections Monitor the Accounts Receivable aging report weekly to identify overdue balances. Contact customers with outstanding balances via phone and email in a professional, courteous, and customer-focused manner. Collaborate with Account Managers or Customer Success teams to resolve billing disputes or contract adjustments. Reporting & Period-End Support Prepare monthly AR aging metrics and debtor summaries for managemen