Billing specialist in London)

Marc Daniels is working with a rapidly growing infrastructure and services organisation based in London who are seeking a Billing Specialist to join their established team. The organisation delivers essential services to both residential and business customers and places strong emphasis on operational excellence, accountability, and continuous improvement.

Role Purpose

The Billing Specialist will play an important role within the Finance function, supporting the accurate and timely processing of customer billing, collections, and supplier payments. The position covers both accounts receivable and accounts payable activities. It ensures that financial transactions are recorded correctly, queries and disputes are resolved efficiently, and internal and external stakeholders are supported to a high standard. The role contributes directly to effective cash flow management, financial accuracy, and the maintenance of positive working relationships with customers, suppliers, and internal teams.

Key Interfaces

• Customers across multiple service channels for invoicing, payments, and collections queries
• Suppliers and service providers regarding invoices, payments, and reconciliations
• Commercial and Sales teams to support order validation, billing adjustments, and contract changes
• Operational and Delivery teams in relation to service status, completions, and terminations
• Finance colleagues, including managers and senior specialists
• Systems and IT support teams for finance system or CRM‑related issues
• Audit and compliance professionals during internal and external reviews
• Other corporate functions such as HR, Legal, and Procurement where financial processes intersect

Key Accountabilities & Responsibilities

• Ensure billing, receivables, and payables processes are completed accurately and in line with agreed deadlines and service levels
• Provide a professional and responsive service to internal and external stakeholders
• Process customer invoicing, supplier invoices, and purchase orders with strong attention to detail
• Manage recurring payment collections and resolve failed or exception items promptly
• Carry out credit control activities, following up outstanding balances using professional and effective communication
• Prepare and execute supplier payment runs and reconcile supplier statements
• Perform customer and supplier account reconciliations to maintain accurate ledgers
• Monitor and manage shared inbox queries related to billing and payments, escalating where appropriate
• Raise credit notes in line with internal approvals and support contract changes, renewals, and terminations
• Support and mentor junior colleagues where required, encouraging collaboration and knowledge sharing
• Produce routine reporting, including aged receivables and payables analysis, and support audits and ad hoc finance initiatives
• Identify and suggest improvements to processes, controls, and ways of working to enhance accuracy and efficiency

Skills, Experience & Personal Attributes

• Demonstrable experience across both accounts receivable and accounts payable functions
• Strong understanding of end‑to‑end billing and payment processes, including credit control
• High level of accuracy and attention to detail when working with financial data
• Confidence using finance systems and CRM platforms, with strong Excel and Microsoft 365 skills
• Good organisational skills and the ability to manage competing priorities effectively
• Clear and professional communication skills when dealing with customers, suppliers, and internal teams
• Proactive, solutions‑focused approach to resolving issues and improving processes
• Demonstrates integrity, reliability, and a customer‑focused mindset
• Comfortable working independently and as part of a team in a fast‑paced environment

Desirable Experience or Qualifications

• Experience with CRM or billing platforms
• Finance‑related qualification or relevant training
• Experience in high‑volume, contract‑based, or subscription billing environments

This is a hybrid role working 2 days a week in the office. You will enjoy flexible working and full training and support within the role.