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sales ledger/ billings assistant

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Robert Walters is partnering with a leading organisation is looking for a permanent Sales Ledger & Billings Assistant to join its finance team in Milton Keynes.

This is a great opportunity for someone with experience in high-volume billing, invoicing or sales ledger to join a collaborative and supportive team. You’ll play an important role in managing high-volume invoicing, maintaining accurate billing records and supporting reconciliations, customer portals and billing queries. The role would suit someone who is highly organised, detail-focused and comfortable working to deadlines in a busy, high-volume environment.

What you'll do

  • Raise, validate and distribute high volumes of invoices accurately and within agreed deadlines.
  • Support the end-to-end billing process, including individual and consolidated invoicing.
  • Ensure invoices are complete, accurate and meet customer requirements.
  • Upload and manage invoices through customer portals, ensuring successful submission.
  • Process and validate credit notes in line with company procedures and approval controls.
  • Review completed work and reconcile information to ensure all billable activity has been captured.
  • Maintain accurate records of billed and unbilled work.
  • Assist with the reconciliation of billing data and revenue figures.
  • Investigate and resolve billing discrepancies and customer queries.
  • Liaise with operational teams and wider stakeholders to gather accurate billing information.
  • Work closely with the wider Sales Ledger team to ensure an efficient and timely billing process.
  • Identify opportunities to improve processes and contribute to the successful transition to new systems.

What we're looking for

  • Previous experience in high-volume billing, ideally within a fast-paced industry.
  • Experience managing complex billing processes, including consolidated billing.
  • Strong attention to detail and a high level of accuracy.
  • Excellent organisational skills and the ability to manage multiple priorities in a deadline-driven environment.
  • Strong Excel skills are essential.
  • Experience using finance or billing systems would be advantageous, but strong high-volume billing experience is more important.
  • Strong written and verbal communication skills.
  • A proactive and collaborative approach, with the ability to work effectively with finance, operational teams and customers.

On Offer

This Sales Ledger/Billings Assistant Role is based in Milton Keynes and salary is £27,000 - £35,000 depending on experience and company specific benefits.

If you are an experienced billing or sales ledger professional looking for your next opportunity, apply NOW or send your CV directly to Harry Grant at harry.grant@robertwalters.com.

Robert Walters Operations Limited is an employment business and employment agency and welcomes applications from all candidates

Contract Type: Permanent

Specialism: Accountancy & Finance

Focus: Accounts Receivable / Credit Control

Industry: Accountancy

Salary: £27,000 - £35,000 per annum

Workplace Type: Hybrid

Experience Level: Associate

Location: Buckinghamshire

Job Reference: TJ9HJL-A794C838

Date posted: 9 September 2026

Consultant: Harry Grant