Tax Manager - Dispute Resolution

Oxford Tax Services, a specialist advisory firm headquartered in Oxford, is seeking a Corporate, International & M&A Tax Director to join our senior leadership team. This is a client-facing , high-impact role supporting large multinational groups with complex cross-border tax requirements, transaction-driven projects, and governance transformation. \n We are a team of experienced tax professionals with deep technical capability across corporate tax, international tax, M&A, and restructuring. Our advisers have delivered multiple successful projects for global organizations, combining technical excellence with commercial clarity and operational understanding. \n If you’d like, I can now build the full job spec , including responsibilities, requirements, benefits, and salary band — just tell me whether you want it senior-executive tone , technical tax tone , or marketing tone . \n Global Compliance - corporate tax planning, assessing liabilities, overseeing compliance, and resolving disputes with HMRC and other jurisdictions tax authorities. \n Managing multi-jurisdictional corporate tax filings, statutory submissions and regulatory alignment. \n Tax Planning & Forecasting - Delivering global planning, residency reviews, WHT optimization, PE risk assessments and cross border support. \n Group Tax Reporting- Leading tax provisioning, IFRS/US GAAP notes, deferred tax, R&D incentives and Patent Box claims. \n Governance & Risk Management - SAO compliance, RACM documentation, CCO assessments, risk registers and control frameworks. \n Tax Technology & Automation- ERP tax configuration (SAP, NetSuite, D365), workflow automation and tax data optimization. \n Cross Border Structuring - Treaty optimization, substance alignment, IP migration, DEMPE, cost sharing and exit taxes \n Pillar Two & CBCR - ETR modelling, safe harbor testing, top up tax forecasting, GloBE readiness and disclosures. \n International Tax Planning - Supporting global transactions, customs/excise reviews and cross border operational tax analysis. \n M&A Tax & Integration - Due diligence, SPA support, carve out structuring, Day 1 readiness and post merger integration. \n Interim Tax Leadership - Leading tax departments, managing reporting cycles, audits, advisor coordination and senior stakeholder engagement.