Tax Director – Corporate, International & M&A

About the role

Oxford Tax Services is seeking a senior Tax Director to lead corporate, international and M&A tax functions for multinational clients. The role is client‑facing and sits on the senior leadership team, driving tax strategy, compliance and governance across complex cross‑border projects.

Key responsibilities

• Oversee global corporate tax compliance, manage multi‑jurisdictional filings and resolve disputes with HMRC and foreign tax authorities.
• Develop and execute tax planning strategies including residency reviews, withholding tax optimisation, permanent establishment risk assessments and Pillar Two/CBCR modelling.
• Lead group tax reporting, tax provisioning, IFRS/US GAAP disclosures, R&D incentives, Patent Box and deferred tax accounting.
• Drive governance and risk management through SAO compliance, RACM documentation, risk registers and control frameworks.
• Implement tax technology solutions, configure ERP systems (SAP, NetSuite, Microsoft Dynamics 365) and automate tax data workflows.
• Advise on cross‑border structuring, treaty optimisation, IP migration, DEMPE and exit tax considerations.
• Support M&A transactions with due diligence, SPA analysis, carve‑out structuring and post‑merger integration.
• Provide interim tax leadership, manage reporting cycles, audits and senior stakeholder engagement.

Required profile

• Extensive experience (10+ years) in corporate, international and M&A tax within a professional services or large corporate environment.
• Proven track record of leading tax teams and delivering complex cross‑border projects for multinational groups.
• Strong understanding of UK tax law, EU directives, OECD Pillar Two, CBCR and global tax compliance frameworks.
• Excellent communication skills with the ability to influence senior clients and internal stakeholders.

Required skills

• SAP
• NetSuite
• Microsoft Dynamics 365
• IFRS and US GAAP tax reporting

What we offer

• Competitive salary £55,000‑£65,000 per year.
• Opportunity to shape tax strategy for leading multinational organisations.
• Collaborative senior leadership environment with access to cutting‑edge tax technology.
• Professional development and continuous learning support.