Full job descriptionInterim Billing & Accounts Receivable Specialist
London / Hybrid
Interim, 3–6 months
£225–£250 per day


Halliday Marx have partnered with a global SaaS business looking for an experienced Interim Billing & Accounts Receivable Specialist to join their finance team on an initial 3–6 month contract.


This is a hands-on role suited to someone who is comfortable operating in a fast-paced, high-growth environment and can take ownership of the billing and receivables process from day one.


Responsibilities
*Own the end-to-end billing and invoicing process, ensuring invoices are raised accurately and on a timely basis.
*Manage the Accounts Receivable ledger, ensuring customer accounts are maintained accurately.
*Take ownership of credit control and collections, proactively following up outstanding customer balances.
*Reconcile customer accounts and resolve billing discrepancies and queries.
*Work closely with the Sales, Customer Success and Finance teams to resolve invoicing and customer account issues.
*Assist with month-end processes, including AR reconciliations and reporting.
*Monitor aged debt and provide regular updates on outstanding receivables.
*Investigate and resolve disputes, credits and invoice adjustments.
*Support improvements to billing and AR processes as the business continues to scale.
*Provide ad hoc finance support where required.


Requirements
*Has strong experience across Billing and Accounts Receivable.
*Has worked within a SaaS, technology or subscription-based business.
*Is confident managing a high-volume billing and receivables environment.
*Has strong attention to detail and excellent organisational skills.
*Is comfortable dealing directly with customers regarding billing and outstanding payments.
*Can work independently and quickly get up to speed in an interim environment.
*Has strong Excel skills and experience working with finance/ERP systems.
*Is available to start at short notice.