Senior Bookkeeper & Back Office Manager Remote

Senior Bookkeeper & Back Office Manager

We are seeking an experienced and highly capable Senior Bookkeeper & Back Office Manager to take full ownership of all bookkeeping and administrative operations across three companies. This is a senior, hands‑on role requiring precision, independence, and a proactive approach to managing all financial and back‑office duties from A to Z.

You will maintain complete and accurate financial records, prepare books up to trial balance, manage client billing and contractor payments, oversee all office utilities and supplier obligations, and ensure the back office functions smoothly without supervision.

This position replaces a long‑standing team member of 18 years, so reliability, integrity, and professionalism are essential.

To independently manage all bookkeeping, financial administration, and operational back‑office functions for three companies, ensuring accuracy, compliance, and efficiency. The role requires someone who can work autonomously, take initiative, streamline processes, and maintain a high level of organisation.

• Maintain accurate and up‑to‑date accounting records
• Process all income, expenses, and transactions
• Bank reconciliations across multiple accounts
• Manage accounts payable and accounts receivable
• Review, code, and post supplier invoices
• Create customer invoices and track payments
• Maintain contractor payment records and schedules
• Prepare books fully up to trial balance
• Assist external accountants with VAT returns, statutory filings, and year‑end accounts
• Provide all reconciliations, documentation, and financial reports required for compliance
• Prepare monthly financial summaries for management, reconcile balance sheet accounts, reconcile intercompany transactions, manage accruals and prepayments, and produce management‑ready bookkeeping information
• Create, review, and issue invoices to clients
• Monitor receivables and follow up on overdue invoices
• Process weekly and monthly contractor/supplier payments
• Validate contractor hours, purchase orders, and agreements before payment
• Maintain payment schedules and ensure accuracy
• Liaise with external accountants for VAT, payroll (if applicable), and year‑end requirements
• Provide reconciliation reports, ledgers, statements, and documentation
• Ensure accurate record‑keeping for all three companies
• Manage financial files, digital archives, and compliance documentation
• Manage water, electricity, council tax, and office utilities
• Handle recharging these costs back to clients and maintaining logs
• Manage supplier accounts, contracts, and renewals
• Oversee general office operational responsibilities
• Manage physical post or digital postal services
• Monitor shared inboxes and respond professionally
• Handle queries from clients, suppliers, and contractors
• Prioritise urgent and time‑sensitive matters
• Maintain organised digital filing systems across all companies
• Prepare and update administrative templates, logs, and checklists
• Implement process improvements to increase efficiency

• Work independently without daily management
• Identify what needs to be done and take action proactively
• Solve problems before they escape escalation
• Improve processes rather than simply follow them
• Exercise professional judgement in all financial and administrative matters

The successful candidate will be the backbone of the organisation's financial and operational functions.