Interim Head of Tax & Treasury

Interim Head of Tax & Treasury - 6 Month FTC

�� Slough (Hybrid – 3 days onsite)

�� £100k–£120k

We are working with a high-growth infrastructure business, looking for a senior finance leader to take charge of tax and treasury. In this pivotal role, you’ll drive compliance, manage financial risk, and shape strategic planning to fuel growth while ensuring robust governance across a complex organisation.

The Role

This is a hands-on leadership position with full responsibility for both tax and treasury across a multi-entity, international environment.

Tax Strategy & Compliance

• Manage all corporate and indirect tax obligations across domestic and international operations
• Develop and implement tax planning, structuring, and risk management initiatives
• Maintain compliance with evolving tax legislation and regulatory requirements
• Liaise with external advisors and tax authorities to ensure efficient outcomes
• Maintain accurate tax reporting, governance frameworks, and audit-ready documentation

Treasury & Cash Management

• Lead cash flow forecasting, liquidity management, and working capital optimisation
• Manage banking relationships, financing arrangements, and intercompany funding
• Monitor and mitigate financial risks, including currency, interest rate, and credit exposure
• Drive efficiency and control in payment and treasury operations

Compliance & Risk Management

• Implement and maintain effective internal controls across tax and treasury functions
• Ensure compliance with banking covenants, financing arrangements, and regulatory reporting requirements
• Act as the primary contact for internal and external audits related to tax and treasury
• Develop scalable policies, procedures, and governance frameworks

Leadership & Collaboration

• Build, lead, and develop a high-performing tax and treasury team
• Collaborate with finance colleagues to provide integrated reporting and insights
• Advise senior management on tax and treasury issues

Projects & Strategic Support

• Support corporate transactions, including due diligence, structuring, and post-deal integration
• Lead treasury input into system upgrades, ERP integrations, and process improvements
• Contribute to capital structure, financing strategy, and investment initiatives

Candidate Profile

• Extensive experience in tax and treasury management within complex, multi-entity organisations
• Strong technical knowledge of domestic and international tax regimes
• Demonstrated experience in cash management, financing, and financial risk mitigation
• Proven leadership, stakeholder management, and advisory capabilities
• Experience supporting corporate transactions and strategic finance projects
• ACA / ACCA / CTA qualified (or equivalent)