Billing Manager

We are seeking an experienced Head of Billing to lead and optimise the billing function within a large, multi-site B2B services organisation. This role is responsible for ensuring all invoicing activity is accurate, timely and aligned to contractual agreements, while driving improvements in billing processes, controls and cash collection outcomes.

The position plays a critical role in managing billing across multiple revenue streams, working closely with operational and commercial stakeholders to ensure completeness, accuracy and strong financial control.

• sLead the end-to-end billing function, ensuring invoices are raised accurately, completely and within agreed timelines
• .Oversee billing across recurring contract services, ad hoc works, and project-based revenue streams
• .Ensure all invoicing aligns with contractual terms, agreed rates, schedules and commercial agreements
• .Maintain strong controls over billing inputs, validating amounts against contracts, approved work and supporting documentation
• .Develop and embed robust billing processes to minimise errors, duplication and delays
• .Manage dependencies on client purchase orders (POs), ensuring visibility and proactive follow-up to prevent invoicing delays
• .Collaborate closely with account management and operational teams to ensure all required billing information is received on time
• .Hold stakeholders accountable to billing timelines, escalating risks where inputs are late or incomplete
• .Monitor and manage unbilled revenue, driving timely resolution of outstanding items
• .Ensure contract billing is aligned to agreed schedules, including renewals, changes and expiries
• .Oversee prompt and accurate billing of ad hoc and reactive works based on approved instructions
• .Ensure project billing aligns to milestones, valuations and supporting documentation
• .Partner with finance to identify revenue at risk and implement corrective actions
• .Work closely with credit control to resolve billing queries and support efficient cash collection
• .Produce and analyse billing KPIs (e.g. timeliness, accuracy, unbilled revenue, query volumes)
• .Lead continuous improvement initiatives to standardise and strengthen billing processes
• .Support system enhancements, reporting improvements and any transitions within finance operations

• es Delivery of accurate and timely billing across all revenue stream
• s.Full alignment of invoicing with contractual and commercial term
• s.Strong control over contract-to-billing reconciliation and revenue completenes
• s.Proactive management of PO dependencies and billing delay
• s.Reduction in unbilled revenue and billing error
• s.Effective collaboration across finance, operations and commercial team
• s.Contribution to improved cash collection through high-quality invoicin

• al:
  
  Proven leadership experience in billing, revenue operations, or sales ledger manageme
• nt.
  
  Strong understanding of billing within a contract-led B2B services environme
• nt.
  
  Experience managing multiple revenue streams (e.g. recurring services, ad hoc works, project
• s).Ability to reconcile contracts, pricing schedules and commercial terms to billed reven
• ue.
  
  Experience working with cross-functional teams to obtain timely billing inpu
• ts.
  
  Strong process, controls and continuous improvement minds
• et.
  
  High attention to detail with the ability to challenge inconsistenci
• es.
  
  Advanced Excel and familiarity with finance syste
• ms.
  
  Confident communicator with ability to influence senior stakeholde
• ble:
  
  Experience in shared service environments or transformation program
• mes.
  
  Background in multi-site service businesses or operationally driven billing mod
• els.
  
  Exposure to finance systems and billing/reporting to
• ols.
  
  Experience tracking unbilled revenue, billing KPIs and contract reconciliati

• butes
  
  Highly organised and deadline-dr
• iven.
  
  Methodical, accurate and control-foc
• used.
  
  Confident in managing stakeholders and enforcing accountabi
• lity.
  
  Commercially aware with an understanding of the link between billing and cash
• flow.
  
  Proactive and solution-orie
• nted.
  
  Strong relationship builder across finance and operational t
• eams.
  
  Comfortable in a fast-paced, evolving environ

• asures
  
  Timely and accurate invoicing across all revenue st
• reams.
  
  Reduced billing delays, particularly those linked to missing information o
• r POs.Improved visibility and control of unbilled re
• venue.
  
  Strong alignment between contracts and billing ou
• tputs.
  
  Reduction in billing queries and r
• ework.
  
  Enhanced support to cash collection through improved billing qu