£30-34k / Hybrid - London

IONATE is a deep-technology scale-up building the technology backbone for smart electricity grids. Our London team is looking for an Accounts Payable Assistant to support the Finance function on a full-time basis.

Requiring solid purchase ledger experience, you will work closely with our AP Supervisor and Financial Controller, supporting our UK and Austrian entities. You will play a key role in keeping the purchase-to-pay cycle running smoothly, ensuring suppliers are paid accurately and on time, and that records are clean and audit-ready.

This role focuses on delivering the day-to-day accounts payable function while helping us improve and document processes as the business scales. You’ll work with colleagues across the company to streamline approvals, strengthen controls, and maintain high-quality data in ExpenseIn and Xero (multi-currency).

What you will do:

• Own the end-to-end A...