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