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