Job Opportunity: UK&I Tax Accountant Location: Slough, UK Contract: Full-time – 37 hours per week Hiring Company: Randstad Sourceright recruiting on behalf of Mars Incorporated Business Unit: UK Confectionery Function: Finance About the Role We are seeking a UK & Ireland Tax Accountant to join the finance team supporting the UK Confectionery business in Slough. In this role, you will support the UK&I Tax Manager in delivering high-quality tax compliance, reporting, and advisory support across UK and Irish entities. You will help ensure that the organisation maintains robust tax processes while supporting continuous improvement initiatives and the integration of digital tools. This role offers exposure to corporate tax reporting, compliance, and strategic tax projects within a global organisation. Key Responsibilities * Prepare corporation tax computations and returns, including detailed analysis of allowance claims and expense restrictions for review by the Tax Manager. * Assist with internal tax reporting and reconciliations for US head office. * Support preparation of UK legal entity financial statements tax reporting under UK GAAP from US GAAP records. * Support tax reporting analysis including Transfer Pricing, Controlled Foreign Companies (CFC), Hybrids, and Diverted Profits Tax (DPT). * Assist the Tax Manager in advising business units on tax implications of projects and operational activities. * Coordinate financial data required from business units and service centres. * Assist with cash tax forecasting, including quarterly instalment planning and payments. * Support the in-sourcing of tax returns from external advisors. * Assist with integrating new business acquisitions into the UK tax framework. Context and Scope This role plays an important part in safeguarding the organisation’s reputation through high-quality external tax reporting. The position operates within a specialised corporate tax environment, coordinating and consolidating financial data across legal entities and providing expertise related to tax accounting and tax return preparation to UK business units. The role covers corporation tax reporting for 21 legal entities within a business group generating approximately £4 billion in turnover. Education and Qualifications * Finance or Tax qualification, or equivalent experience preparing tax returns and tax reporting. * Experience gained within a Top 10 accountancy practice or a commercial environment is desirable. Knowledge and Experience * Strong UK corporate tax technical knowledge. * Excellent written and verbal communication skills. * Ability to manage and prioritise a substantial workload and meet deadlines. * Experience with ONESOURCE, SAP, UK transfer pricing documentation, or shared service centre environments is desirable but not essential. Key Competencies * Drives Results * Action Oriented * Instils Trust * Plans & Aligns * Interpersonal Savvy Functional Competencies * Tax Management * Accounting Information Systems Working with Mars Incorporated means joining a global business behind well-known brands such as Mars, Snickers, Galaxy, and Maltesers while contributing to a collaborative and purpose-driven organisation