The Senior Tax Accountant oversees all aspects of tax compliance and reporting for operations in Ireland and the UK, ensuring accurate and timely submission of VAT, Corporation Tax, payroll taxes, and other statutory obligations. Beyond compliance, the role contributes strategically by identifying tax-saving opportunities, advising management on the financial implications of tax laws, and supporting corporate decision-making. The position also strengthens financial governance through internal controls, accurate reporting, and policy development. This role is ideal for a tax professional seeking broader financial responsibility-balancing compliance, tax efficiency, and strategic influence across supplier decisions, transfer pricing, and intercompany arrangements within a dynamic and growing finance function. Key Responsibilities Republic of Ireland Tax Duties: Prepare and file VAT returns (bi-monthly/monthly as applicable) Manage Corporation Tax computations and submissions Administer Relevant Contracts Tax (RTC) for subcontractors Ensure compliance with PAYE/PRSI/USC obligations Oversee annual declarations of compliance and tax clearance Liaise with Revenue Commissioners on audits, queries, and updates United Kingdom Tax Duties Prepare and submit VAT returns (monthly/quarterly) Manage Corporation Tax filings and payments Administer Construction Industry Scheme (CIS) deductions and returns Ensure PAYE/NIC compliance for UK-based staff Handle annual declarations and HMRC correspondence Corporate Governance & Strategic Financial Support Support the Accounting & Internal Controls Director in implementing financial governance frameworks Assist in the preparation and review of statutory financial statements and regulatory filings Provide input on strategic decisions involving supplier location, transfer pricing, and intercompany arrangements Assess tax and cash flow implications of cross-border transactions and FX exposure Collaborate with finance and procurement teams to align tax strategy with broader business goals Qualifications: ACA, ACCA, or CIMA qualified accountant Chartered Tax Adviser (CTA) designation from the Irish Tax Institute or the Chartered Institute of Taxation (UK) - mandatory Minimum 5 years' post-qualification experience in tax accounting, with exposure to cross-border operations Proven expertise in VAT, Corporation Tax, RTC, CIS, and payroll tax compliance Up-to-date CPD record in tax legislation and compliance Expert knowledge of Irish and / or UK tax frameworks Skills: Tax Manager Tax Accountant Senior Tax Manager