Prepare and consolidate all accounting documentation for monthly closing in close cooperation with the external accountant • Ensure timely and accurate monthly invoicing to customers, including verification of pricing, quantities, and contractual terms • Manage payment scheduling and follow‑up, including: • Monitoring incoming payments • Preparing payment reminders • Supporting accounts receivable follow‑up • Maintain and update customer and supplier financial records • Support VAT administration and preparation of relevant documentation • Prepare monthly financial overviews (sales, outstanding receivables, payables) for management review • Ensure proper file management and documentation archiving in line with accounting and compliance requirements • Act as the first point of contact for finance‑related questions internally and externally (customers, suppliers, accountant)