Interim Head of Finance

Are you a hands-on finance leader with a proven track record in transforming financial systems and processes? We are seeking an experienced Interim Head of Finance to help shape and modernise our finance function for a growing not-for-profit organisation, leaving it fit for the next phase of global impact.

This is a high-impact role with a clear mandate: modernise our finance infrastructure, enhance visibility, and implement scalable processes that support strategic decision-making. Our current finance environment is functional but largely spreadsheet-driven - offering a unique opportunity for a finance professional to embed robust frameworks in costing, budgeting, and reporting.

Contract & Benefits

• Interim role: day rate £400-£450
• Potential to convert to a permanent position for the right candidate

Working closely with the COO, CEO, and Senior Management Team, you will:

• Review and enhance existing financial models, processes, and controls.
• Introduce structured, scalable project costing frameworks for global programmes.
• Lead core finance operations, including multi-currency accounting, management accounts, cash flow management, and statutory reporting (Charity SORP).
• Strengthen project accounting to improve fundraising, programme delivery, and cost tracking.
• Provide clear, timely financial insight to support strategic decision-making, reforecasting, and scenario planning.
• Ensure compliance across tax, VAT, and regulatory requirements across multiple legal entities.
• Lead, develop, and build capability within the finance team.

You will be a CCAB-qualified accountant (ACA, ACCA, CIMA, or equivalent) with proven experience in hands-on finance leadership, ideally in interim or evolving environments. You bring:

• Strong expertise in building or improving costing models and financial infrastructure.
• Experience across multi-entity and multi-currency environments.
• Knowledge of charity finance, including restricted funds and SORP, is advantageous.
• Ability to operate strategically and hands-on, with strong stakeholder management skills.
• Pragmatic, collaborative, and delivery-focused approach.

This is more than a finance role - it's an opportunity to leave a lasting legacy in a mission-driven organisation. You will shape how projects are costed, how programmes are delivered and scaled globally, and influence the long-term design of our finance function.

If you are a transformational finance professional looking to make a tangible impact in a not-for-profit organisation, we want to hear from you.

Get in touch with Ailidh van Wyk (Leading Consultant on this role) on , or email on

Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: