Accounts Receivable Clerk

Accounts Receivable Clerk Pentagon Technical Services | Beaconsfield, Buckinghamshire Full-time | Office-based

About Pentagon Technical Services Pentagon Technical Services is a specialist provider of mission-critical infrastructure services, delivering project management, QA/QC, commissioning, technical fit-out and handover/validation services across major data centre projects internationally. As the business continues to grow, we are looking for an organised and detail-focused Accounts Receivable Clerk to join our finance team in Beaconsfield.

About the Role The Accounts Receivable Clerk will support the day-to-day management of the company's sales ledger, ensuring customer accounts are accurate, payments are allocated correctly and outstanding invoices are followed up promptly. This is a hands-on role suited to someone with previous experience in accounts receivable, sales ledger or credit control who is looking to develop their career within a growing, project-led business. You will work closely with the finance team, project managers and commercial teams to ensure invoices are raised accurately and payments are received on time.

Key Responsibilities

• Manage the day-to-day sales ledger and customer accounts.
• Raise and issue customer invoices accurately and on time.
• Allocate customer payments and reconcile accounts, investigating discrepancies.
• Monitor outstanding invoices and maintain accurate aged debt records.
• Follow up overdue invoices and support credit control activities.
• Respond to customer queries relating to invoices and payments.
• Liaise with project and commercial teams on billing requirements and supporting documentation.
• Assist with monthly sales ledger and month-end processes.
• Prepare aged debt and accounts receivable reports.
• Assist with cash collection and cash flow forecasting.
• Maintain accurate customer records within the accounting system.
• Support the wider finance team with general accounting duties as required.

About You

• Experienced in an Accounts Receivable, Sales Ledger or Credit Control position.
• Highly organised with excellent attention to detail.
• Confident working with numbers and financial information.
• Comfortable communicating with customers and internal stakeholders.
• Able to manage multiple accounts and priorities effectively.
• Proactive in following up outstanding payments.
• Confident using Microsoft Excel and comfortable working to month-end deadlines.
• A professional, approachable communicator able to work independently and as part of a team.

What We Offer

• Competitive salary based on experience.
• Opportunity to join a growing international business.
• Beaconsfield-based working environment.
• Exposure to large-scale international data centre projects.
• Opportunities for professional development and career progression.
• Supportive, collaborative finance team with scope to grow into a broader accounting role.

If you're an experienced Accounts Receivable Clerk, Sales Ledger Clerk or Credit Controller looking for your next opportunity, we'd love to hear from you.