As a Tax Accountant you will play a crucial role in supporting our Group Tax Manager in day-to-day tax-related and financial activities, working closely with the finance team and handling sensitive tax information ethically. You will demonstrate flexibility and adaptability to changing tax regulations, deadlines, and priorities, supporting our hyper-growth and global expansion by assisting in tax compliance, reporting and planning for multiple corporate entities operating worldwide. Key responsibilities include preparing tax returns such as VAT, OSS VAT, GST/HST, SST and sales tax for UK group and overseas entities, and performing balance sheet reconciliations for direct and indirect tax liabilities and VAT turnover, as well as posting monthly tax journal entries. Additional duties cover tax filings and payments, monthly tax cashflow preparation with treasury liaison, managing monthly tax submissions in AvaTax and keeping the ECM database up to date, maintaining indirect tax files, and supporting PSA and STBV reporting, R&D claims, and Transfer Pricing documentation. The role also involves ensuring timely preparation and filing of returns and regular reports, responding to tax queries from internal or external stakeholders, assisting with audits and liaising with HMRC and overseas authorities, handling ad hoc projects, and contributing to building team capability through mentoring and developing future direct reports.