Interim Financial Controller

Our client, a large and well-established not-for-profit organisation based in Winchester, is looking for an experienced Interim Financial Controller to join on a six-month contract.

The finance function is going through a period of change, with a finance system replacement planned for next year. This role will take ownership of financial control and keep day-to-day operations running while that happens, reporting to the Finance Director and working closely with the Head of Financial Operations.

It is a hands-on interim role suited to someone who enjoys going into a team, improving how things are done and leaving the function in a stronger position than they found it.

What will the Interim Financial Controller role involve?

Taking ownership of financial control across the finance function and acting as senior support to the Finance Director

Reviewing balance sheet reconciliations and rebuilding them in a more automated and easily reviewed format

Identifying manual processes and spreadsheet-based workarounds and replacing them with more efficient ways of working

Working alongside the finance team day to day to embed new processes and build capability

Supporting the Head of Financial Operations to rebalance workload across the team

Contributing to the design of the future finance team structure

Strengthening processes and controls ahead of the finance system replacement

Keeping month-end and day-to-day finance operations running smoothly through a period of change

Suitable Candidate for the Interim Financial Controller vacancy:

Qualified accountant (ACA, ACCA or CIMA) with experience at Financial Controller level

Previous interim experience, with a track record of stepping in and delivering quickly with minimal handholding

Strong financial control background covering reconciliations, controls and process improvement

Hands-on experience of automating and improving finance processes

Experience of working through change, restructure or transformation within a finance team

Confident and personable, able to sit with colleagues, show them a better way of working and bring them along with it

Experience in a large or complex organisation would be useful

Additional benefits and information for the role of Interim Financial Controller:

Six-month contract starting late October or November 2026

Four or five days per week, based on site in Winchester

£65,000 – £75,000 pro rata on a fixed-term basis, with day rate options considered for experienced contractors

Salary will be dependent on experience

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