Head of Treasury & Tax (Interim)

6-Month Contract | Hybrid (Slough or London)

The Opportunity

We are partnering with a fast-growing, infrastructure-focused business to appoint an Interim Head of Treasury & Tax for an initial 6-month contract.

This is a high-impact role focused on strengthening tax compliance, enhancing treasury operations, and building a robust control framework to support continued growth across a multi-entity, international environment.

You will work closely with the senior finance leadership team to deliver a cohesive, audit-ready finance function.

The Role Tax Strategy & Compliance

• Lead all corporate tax, VAT, PAYE/NIC and international tax compliance
• Oversee tax planning, structuring and risk management
• Manage relationships with external advisors and tax authorities
• Monitor legislative changes and assess business impact
• Ensure all tax positions are fully documented and audit-ready

Treasury & Cash Management

• Lead cash flow forecasting, liquidity management and working capital optimisation
• Implement and enhance 13-week cash forecasting
• Manage banking relationships, facilities and financing arrangements
• Oversee intercompany funding and in-house banking
• Monitor and mitigate FX, interest rate and credit risks
• Strengthen treasury controls (payments, mandates, approvals)

Compliance & Risk

• Own the tax and treasury governance framework across all entities
• Ensure audit readiness, including documentation and controls
• Act as key contact for internal and external audit
• Ensure compliance with banking covenants and regulatory requirements

Leadership & Business Partnering

• Build and support a high-performing tax and treasury capability
• Partner with FP&A and Financial Control to deliver integrated insight
• Act as a trusted advisor to senior leadership

Projects & Strategic Support

• Support M&A activity (due diligence, structuring, integration)
• Lead treasury input into systems and process improvements
• Contribute to financing strategy and capital structure initiatives

About You

• ACA / ACCA / CTA qualified
• Strong post-qualified experience across tax and treasury leadership roles
• Deep knowledge of UK and international tax regimes
• Proven experience in cash forecasting, liquidity management, and treasury operations
• Track record of managing tax audits, enquiries, and advisors
• Strong understanding of controls, governance, and audit requirements
• Experience in multi-entity, international environments
• Comfortable operating in a fast-paced, scaling business