Interim Financial Controller

Interim Financial Controller (Contract)

Salary: From £85,000 to £95,000 pro rata

Contract: Initial 3 Month Contract (Potential Extension)

Location: London & South West England (Hybrid)

Start Date: ASAP

Interim Financial Controller | Finance Transformation & NetSuite Project

We are working with a growing business seeking an experienced Interim Financial Controller to support a major finance transformation programme.

This assignment will focus on integrating a newly acquired operation into the wider group structure, implementing robust financial controls and reporting processes, and leading a significant NetSuite migration project.

Reporting into senior finance leadership, the successful candidate will combine strong technical accounting expertise with proven project delivery experience, helping to ensure a smooth transition whilst maintaining effective business-as-usual finance operations.

Key Responsibilities

Finance Transformation & NetSuite Migration

- Lead the integration of a recently acquired business into the wider finance function.

- Deliver the successful implementation and embedding of NetSuite.

- Oversee chart of accounts design, financial mappings, data migration and system configuration.

- Manage the transfer and reconciliation of financial data and opening balances.

- Establish month-end close processes, controls and reporting procedures.

- Develop effective governance and control frameworks across transactional and reporting activities.

- Support the enhancement and documentation of finance processes and operating procedures.

Financial Control & Reporting

- Produce monthly management accounts, forecasts and financial analysis.

- Support budgeting and planning activities.

- Partner with operational leadership to provide commercial insight and decision support.

- Assist with group reporting, consolidations and intercompany reconciliations.

- Support senior stakeholders through a period of organisational change and integration.

Process Improvement

- Identify opportunities to improve efficiency and strengthen financial controls.

- Create clear process documentation and procedural guides.

- Support knowledge transfer and handover activities to the permanent finance team.

- Ensure sustainable processes are embedded before completion of the assignment.

Candidate Profile

Essential

- ACA, ACCA or CIMA qualified.

- Previous Financial Controller or senior finance leadership experience.

- Strong hands-on NetSuite implementation, migration or optimisation experience.

- Proven track record delivering finance transformation, ERP implementation, integration or business change projects.

- Strong management accounting and financial reporting experience.

- Experience implementing financial controls, reporting frameworks and process improvements.

- Comfortable operating independently within fast-paced environments.

- Strong stakeholder management and communication skills.

Working Arrangements

This is a hybrid position requiring regular on-site presence in both London and the South West.

The successful candidate will work closely with stakeholders across multiple locations and should be comfortable travelling between sites on a weekly basis. Flexibility is available around how the working week is structured, but travel and face-to-face collaboration are key requirements of the role.

Flexible working hours are offered; Additional flexibility can be accommodated around travel commitments.