ACCOUNTS ASSISTANT in Thame

Based near Thame, Oxfordshire (office-based, with some flexibility). £30,000 – £35,000 per annum, depending on experience and study support. Are you an Accounts Assistant who enjoys getting into the detail, keeping everything reconciled, and being the go-to person for suppliers and subcontractors? This growing business near Thame is looking for an Accounts Assistant to join its friendly in-house team. Working closely with the Company Secretary and senior finance colleagues, you will play a key role in keeping day-to-day finances running smoothly and ensuring the business remains fully compliant with CIS and VAT requirements.

The role

• Managing end-to-end processing of supplier and subcontractor invoices, ensuring correct coding, approvals and CIS / reverse charge VAT treatment.
• Preparing weekly and monthly payment runs, checking supplier records and bank details and resolving any queries before payment.
• Maintaining accurate supplier accounts, reconciling statements and managing the aged creditors report.
• Performing monthly bank reconciliations and clearing unmatched items promptly.
• Setting up and maintaining supplier and subcontractor records in the finance systems (Sage / QuickBooks).
• Preparing and submitting monthly CIS returns and maintaining robust subcontractor verification records.
• Overseeing sales invoicing, including retentions and CIS suffered, and reconciling weekly sales to project forecasts.
• Leading credit control activity, following up overdue debt and keeping aged debtors within agreed targets.
• Owning key monthly reconciliations (for example vehicles, tools, driver reports and intercompany charges).
• Preparing quarterly VAT returns and maintaining strong financial controls, documentation and audit-ready records.
• Contributing to continuous improvement across the finance function, helping to refine processes, documentation and controls as the business grows.

About you

• This role would suit an experienced Finance Administrator or Accounts Assistant who enjoys variety and ownership and is confident working in a busy SME environment.
• You will bring AAT / ACCA / CIMA is welcomed and can be supported.
• 2–5 years’ experience in a finance or accounts role, ideally with exposure to both purchase and sales ledger.
• Strong understanding of accounts payable, accounts receivable, reconciliations and general ledger processes.
• Good working knowledge of Sage and/or QuickBooks and confident general systems skills.
• Excellent numeracy, accuracy and attention to detail, with a methodical, process-driven approach.
• Confident communication skills, with the ability to build effective relationships with suppliers, subcontractors and colleagues at all levels.
• The ability to manage your own workload, prioritise effectively and meet deadlines, especially around payment and month-end cycles.
• High levels of professionalism, discretion and integrity.

Why apply?

• Join a growing, people-focused business with a strong reputation for the quality of its work.
• Work in a close-knit finance team where your ideas for improving processes and controls will be listened to and implemented.
• Take on a broad, hands-on role that gives you end-to-end exposure across payables, receivables, CIS, VAT, reconciliations and credit control.
• Enjoy an office-based role near Thame in a rural setting, with standard business hours, plus occasional flexibility and overtime in peak periods such as pay week.