Assistant Management Accountant

About Us

Infinity is a market‑leading advanced analytics and call‑tracking service working with some of the world’s most well‑known brands. As a company, we’re ever evolving, using cutting‑edge tech and a drive for success to see us through. Our growth is exponential, with annual revenue of (£)18m+. Our mission is clear, to become the best call‑tracking provider in the world. There’s never been a better time to join Infinity.

The Assistant Management Accountant sits at the heart of the Finance function, keeping the day‑to‑day numbers accurate, timely and well‑organised.

This role goes beyond day‑to‑day processing. You will take ownership of key revenue and cost processes, prepare a first draft of the monthly management accounts, and provide meaningful variance analysis and reporting to support commercial decision‑making.

You will be proactive, commercially curious and committed to accuracy spotting issues before they become problems and looking for smarter, more scalable ways of working.

Working closely with the Management Accountant and wider business teams, you will help Finance operate efficiently, strengthen controls, improve processes and deliver real value across Infinity Tracking Limited.

• Own the end-to-end billing process, ensuring customer invoicing is accurate, complete and on time
• Work with Sales and Customer Success to keep billing data, contract updates and customer changes accurate; investigate and resolve billing anomalies and revenue movements
• Prepare monthly reporting on renewals, ARR movements, churn and billing variances, identifying revenue leakage and recommending corrective actions

• Maintain an accurate supplier database, including financial details, contractual information and key dates
• Process and review purchase invoices, ensuring accurate coding, approval and compliance with purchasing policy; track outstanding POs and support accruals at month end
• Analyse supplier spend and cost movements, highlighting budget variances and savings opportunities
• Maintain the expenses system, ensuring employee expenses and credit card submissions are accurately coded, compliant and reported

• Process supplier and statutory payments in line with agreed terms and approval controls, ensuring bank postings are accurate and reconciled
• Support debtor management by allocating receipts, reconciling balances and providing clear information to Credit Control; investigate reconciling items promptly and maintain accurate audit trails

• Prepare a first draft of the monthly management accounts, including P&L, Balance Sheet, Cashflow and supporting schedules
• Prepare and post monthly journals including accruals, prepayments, deferred income, payroll and intercompany entries
• Own balance sheet reconciliations, investigate variances and anomalies, and support the Management Accountant with reporting and commentary

• Analyse gross profit, overheads, customer profitability and operational costs, investigating variances and understanding key financial drivers
• Support the Management Accountant with budget reviews, forecasts and reporting, providing accurate variance analysis and clear commentary

• Maintain the fixed asset register, ensuring additions, disposals, depreciation and asset movements are recorded accurately
• Prepare VAT return workings and supporting schedules, ensuring compliance with HMRC requirements
• Support payroll preparation, reconciliations and journals, including pensions and benefits administration

• Prepare audit schedules, the year‑end pack and all supporting documentation, and take an active role during the audit itself
• Support process improvement across Finance and provide ad hoc cover across the team as required

• Part-qualified AAT, ACCA or CIMA, or qualified by relevant experience
• Experience in a finance role covering month‑end processes, reconciliations, accounts payable, billing, revenue or management reporting
• Strong accounting knowledge across accruals,…