Interim Billing & Accounts Receivable Specialist - #2117629

Interim 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.