Billing Supervisor

Location: Manchester, UK (Hybrid)

About Inizio

Inizio is a global partner to health and life sciences organisations, delivering specialist expertise across the product and patient journey. Through Global Finance Services (GFS), we provide high-quality, efficient and compliant finance operations that support business performance worldwide.

Role Overview

Reporting to the Director OTC Operations, we are seeking a Billing Supervisor to lead day-to-day billing operations within our Global Finance Services (GFS) shared services organisation. You will oversee Billing Specialists and Senior Billing Specialists, ensuring accurate, timely and compliant invoice generation across assigned client portfolios and legal entities while meeting SLA, KPI and governance requirements.

Working closely with the GFS Revenue Accounting & Collections teams and business stakeholders, you will oversee billing quality, resolve complex billing issues and contribute to the effective delivery of the end-to-end Order-to-Cash process.

Here's what you'll be doing

Billing Operations Leadership

• Lead day-to-day billing activities across assigned client portfolios and legal entities.


• Monitor team performance against billing cycle targets, SLAs and KPIs.


• Own the billing quality review process to ensure invoices are accurate and issued on time.


• Review and approve resolution of complex billing disputes, client escalations and high-value invoice queries.


• Oversee client and contract setup within billing systems.


• Provide coaching, guidance and performance feedback to Billing Specialists and Senior Billing Specialists.

Stakeholder Management & Governance

• Partner with GFS OTC Revenue Accounting and Collections teams to resolve invoice issues affecting collections performance and revenue recognition.


• Ensure billing activities comply with organisational policies, controls and governance requirements.


• Produce billing performance reporting including invoice volumes, billing cycle adherence, dispute rates and KPI dashboards.


• Support internal and external audits by providing documentation and responding to queries.


• Work with divisional finance and commercial teams to maintain accurate billing instructions, contract terms and client data.

Continuous Improvement

• Lead and contribute to process improvement and operational efficiency initiatives.


• Identify opportunities to improve billing quality, controls and invoice cycle efficiency.

What you'll bring

Qualifications & Experience

• Experience leading Billing teams within a global Shared Services Centre (SSC) or Global Business Services (GBS) environment is essential.


• Bachelor's degree (or equivalent professional qualification) in Finance, Accounting, Business Administration, Commerce or a related discipline.


• Part-qualified or newly qualified ACA, ACCA, CIMA or equivalent preferred.


• 4–7 years' experience in billing operations, invoice management and OTC processes.


• Experience managing billing disputes, SLA/KPI performance and billing system administration within a global Shared Services Centre (SSC) or Global Business Services (GBS) environment is essential.

Technical & Operational Expertise

• Strong knowledge of billing operations, invoice management and OTC processes.


• Team leadership, coaching and performance management capability.


• Experience with ERP and billing systems such as Oracle Fusion, Maconomy or equivalent.


• Understanding of billing controls, revenue recognition principles and governance requirements.

Problem Solving & Innovation

• Resolve complex billing disputes, client escalations and operational issues.


• Identify root causes of recurring billing errors and implement improvements.


• Support continuous improvement of billing processes and controls.

Stakeholder Management & Communication

• Build effective relationships with clients, Finance, Commercial and GFS stakeholders.


• Communicate clearly regarding billing issues, performance and client requirements.


• Collaborate across the shared services organisation to resolve cross-functional issues.

Performance, Impact & Ways of Working

• Strong attention to detail and commitment to billing accuracy.


• Ability to manage competing priorities and lead a high-performing team.


• Collaborative leader focused on service quality, customer satisfaction and continuous improvement.

Why join us

You'll play an important role in leading high-quality billing operations, supporting accurate revenue recognition and delivering an excellent client experience within a global finance organisation.