Billing Assurance Assistant

Overview

The Billing Specialist ensures customer invoices are accurate, compliant with contractual agreements, and issued in line with internal controls and accounting standards, working with Sales, Service Delivery and Finance teams while supporting data cleansing and process readiness for the NetSuite migration.

What you'll do

• Raise invoices correctly per contracts, pricing schedules, and billing profiles.
• Check billing across recurring, usage-based, milestone, and one-off models.
• Perform detailed invoice reviews to minimize errors and rework.
• Support customers with multiple contractual arrangements and profiles.
• Manage inter-company billing across multiple entities.
• Review contracts to ensure billing matches commercial terms.
• Chase outstanding POs and resolve delays with stakeholders.
• Keep billing and contract records updated in systems.
• Confirm billed services align with delivery.
• Resolve issues quickly to safeguard revenue and relationships.
• Assist with IFRS 15 compliance and revenue recognition.
• Match billing, revenue, and contract data through reconciliation.
• Flag issues when billing cannot proceed due to PO or contract gaps.
• Spot gaps and propose improvements in risk control.
• Act as the go-to contact for billing queries.
• Work with Sales and Service Delivery to resolve disputes.
• Provide data and documentation for audits.
• Align billing profiles across customer types.
• Promote best practices within the team.

What you'll need

• 3+ years of experience in a Billing, Revenue Assurance, or Finance Operations role within a large organisation.
• Basic accounting principles.
• Experience handling multiple billing profiles and complex customer contracts.
• Practical working knowledge of IFRS 15 and its impact on billing and revenue.
• Strong contract interpretation skills.
• Experience working cross-functionally with Sales, Service Delivery, and Finance teams.
• High attention to detail with a strong control mindset.
• Confident communicator, able to explain billing positions clearly to internal and external stakeholders.
• High standard of written and verbal English communication, suitable for stakeholder and customer interactions.

Nice to have

• Experience working in a shared service or global delivery model.
• Exposure to ERP / billing systems (NetSuite preferred).
• Experience supporting audits or regulatory reviews.

Details

• Works within a shift pattern to support global business hours: early shift starts 08:00am, late shift starts 1:00pm.
• Requires working some UK bank holidays, as the role supports a UK based business.
• Some billing processes remain manual.