Billing Team Leader

Location: Abingdon (OX14 1RL)

At Trinity Fire & Security, we’re more than just experts in safety and security — we’re a supportive team with a shared purpose: protecting what matters most to our customers.

We’re looking for a Billing Team Leader to be based in our Abingdon office (OX14 1RL). In this role you will be responsible for leading and developing the billing team to ensure the accurate, timely, and compliant processing of customer billing activities.

You will oversee day-to-day billing operations, drive process improvements, ensure service excellence, and support the achievement of organisational revenue and cash collection objectives.

What You’ll Be Doing

• Lead, motivate and develop the billing team to deliver high standards of performance and customer service.

• Oversee the production of customer invoices and billing schedules.

• Manage PO chasing and ensuring all work has the required PO

• Review and resolve billing discrepancies, disputes, and escalated customer queries.

• Monitor billing processes to identify risks, errors, or inefficiencies.

• Identify opportunities to improve billing processes, controls, and customer experience.

• Act as a key escalation point in relation to queries and issues for customers and internal stakeholders.

• Produce and analyse billing performance reports.

What We’re Looking For

At Trinity, we know that how you work with others matters as much as what you know. We’re looking for someone who:

• Previous experience in a billing, finance administration, accounts receivable, or revenue operations environment

• Experience dealing with customer billing queries and escalations.

• Experience using billing, finance, or ERP systems.

• Experience of working with performance targets and service level agreements.

• Understanding of billing processes and financial controls.

• Excellent understanding of Microsoft Office applications, particularly Excel.

• Strong leadership and people management skills.

• Excellent communication and interpersonal skills.

• Strong analytical and problem-solving abilities.

• High attention to detail and accuracy.

• Ability to prioritise workload and manage competing deadlines.

• Strong organisational and planning skills.

• Ability to build positive relationships with stakeholders at all levels.

Why You’ll Love Working Here

• A supportive, friendly team that values collaboration and clear communication.

• 23 days’ holiday, increasing with service, plus bank holidays.

• Employee Discount Programme – savings across 800+ retailers.

• Salary Sacrifice Pension

• 3 x salary Life Assurance

• Employee Assistance Programme.

• Ongoing training and career development opportunities.

About PTSG

PTSG Group is a leading provider of specialist services across the UK and Europe.

Through the acquisition of high-quality specialist businesses, PTSG has built a group of industry-leading companies delivering services across Access & Safety, Electrical Services, Building Access, Fire Solutions, and Water Treatment.

With over 3,300 specialists supporting 90,000+ customers across 200,000 buildings, delivering over 170 different services, we are committed to delivering safe, compliant, and high-quality services nationwide.

At PTSG, our aim is simple. To be a great place to work and a great company to do business with.

Armed Forces Covenant

PTSG Group is proud to support the Armed Forces community and has formally signed the UK Armed Forces Covenant.

We recognise the valuable skills and experience that service leavers, veterans, reservists, and military families bring to the workplace, including leadership, teamwork, resilience, and technical expertise.

As part of our commitment, we guarantee an interview to ex-Forces applicants who meet the minimum criteria for the role and are committed to supporting Armed Forces personnel in building long-term civilian careers across our business.

PTSG Group is an equal opportunities employer. We are committed to creating an inclusive and supportive workplace where everyone is treated fairly and with respect.

We welcome applications from all backgrounds and are dedicated to promoting diversity, equality, and inclusion throughout our recruitment process and across the wider business.

Security Vetting

It is an industry requirement that successful candidates undergo security vetting. Offers of employment are subject to satisfactory vetting and may be withdrawn if the required standards are not met.

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