Senior Tax Manager

OrganOx Limited; Oxford; On-site; GBP 65,000 - 85,000; Full time

Job summary

A global medical device company in Oxford is seeking a Senior Tax Manager to lead tax planning and compliance efforts for UK, US, and Europe operations. The role requires strong analytical skills and experience in managing complex tax issues. Ideal candidates will hold a relevant degree and professional qualifications. This position offers a competitive salary, benefits, and opportunities for professional growth in a collaborative environment.

Benefits

Competitive compensation

Comprehensive benefits

Professional development opportunities

Qualifications

• Demonstrable experience in tax compliance or advisory roles.
• Experience in multi-jurisdictional tax advisory.
• Strong understanding of UK tax law and accounting.

Responsibilities

• Manage UK Corporation Tax Returns and related compliance.
• Oversee VAT and Customs Duty for global compliance.
• Develop tax policies and maintain internal controls.

Skills

Tax compliance

Tax accounting

Analytical skills

Communication skills

Multitasking

Education

Bachelor's degree in accounting/taxation/finance

Qualified in a recognised accountancy or tax qualification (ACA / ACCA / CTA / AIT)

Tools

SAP B1

Job description

ABOUT ORGANOX:

OrganOx is an innovative, fast-paced, global medical device company with a mission to save lives by making every donated organ count. We are a commercial stage organ technology company, spun out of the University of Oxford in 2008, committed to improving transplantation outcomes throughout the world. The company’s first product, the OrganOx metra® normothermic machine perfusion (NMP) system for liver transplantation, has been used to support more than 5,000 liver transplant operations globally.

Position Summary

We are seeking a motivated and detail-oriented Senior Tax Manager to join our in‑house Finance team. This role offers the opportunity to lead on a diverse range of tax initiatives impacting a rapidly growing business. You will report to the VP Finance in delivering tax compliance and reporting obligations while optimizing financial performance through strategic tax planning.

The Senior Tax Manager is responsible for all UK, US and Europe tax planning, compliance and reporting with support from our external tax advisors and a Finance team member in the US who is responsible for US tax compliance. The Senior Tax Manager will be a key member of the finance leadership team and will work closely alongside the VP Finance as well as other members of senior leadership to guide the tax side of the business through a period of growth. The Senior Tax Manager will build and continuously develop effective tax processes and controls that will underpin the company’s growth in the coming years.

This is an excellent opportunity for a tax professional looking to develop their career in a dynamic, fast‑paced environment. OrganOx has a compelling 5‑year business plan. The business is growing profitably underpinned by a strong balance sheet with no debt. You will be part of a collaborative and supportive team.

This is an on‑site position with flexibility in Oxford.

Listed below are the major responsibilities of the role and a brief description of some of the key tasks to be performed. This list is not totally exhaustive.

Major Responsibilities

• Under direction from the VP Finance, the Senior Tax Manager will be responsible for:
• UK Corporation Tax Returns: including completing the provisioning for the Group’s financial statements, year‑end and interims.
• Indirect taxes: Oversee global compliance for VAT and Customs Duty to ensure accurate and timely submissions and optimized financial performance.
• Transfer Pricing: Maintain UK, US, Canada and Europe transfer pricing documentation and ensure compliance with intercompany agreements.
• Employment taxes: Ensure compliance, timely submission and provide advice where required for areas including EoR, ERS filing, P11Ds, PSA, STBV.
• R&D tax credits and patent box tax relief including maintaining appropriate supporting documentation to support and justify the claim.
• With the assistance of our tax advisor, provide support and advice across the organisation and within Finance as the Group moves towards continuing commercialisation and seeks to expand sales into different geographies ensuring good, tax efficient decisions are made.
• Maintaining tax and administrative policies and reviewing intercompany transactions for continuous improvement.
• Design and own key tax controls to ensure a good control environment for OrganOx taxes ensuring compliance with J‑SOX and SAO.
• Key contact for liaison with HMRC, tax advisors, external auditors and financial advisors on tax matters to drive projects forward whilst ensuring good value and commerciality.
• Adhere to the letter and spirit of OrganOx’s Code of Conduct and all other company policies

Skills & Experience

• Skilled tax professional with demonstrable experience in tax compliance, tax accounting or tax advisory roles with a proven record of managing complex tax issues.
• Relevant tax experience of advising companies operating in multiple tax jurisdictions either in‑house or within a practice
• Strong technical skills with excellent knowledge of UK tax accounting, tax compliance and good understanding of tax law.
• UK HQ Ltd company experience
• Familiarity with transfer pricing principles
• Strong analytical abilities and proficiency in Excel
• Ability to multitask, work to deadlines and prioritize
• Excellent communication skills and ability to work with multiple stakeholders and clients
• Ability to take a logical and practical approach
• Organised, methodical and with good attention to detail
• A team player with a can‑do attitude but with the discipline to work autonomously
• SAP B1 (Desirable)
• Experience of external audit of tax matters (Desirable)
• Experience in growth companies (ideally but not necessarily life sciences) (Desirable)
• Exposure to US tax reporting (Desirable)
• Experience working for a publicly traded company (Desirable)
• Experience in internal controls and Sarbanes Oxley (Desirable)
• Ability to lead tax planning, research, structuring, and compliance for both U.S. and international tax regulations (Desirable)
• Ability to travel on occasion (Desirable)

Qualifications

• A bachelor’s degree in accounting/taxation/finance or a related field.
• Qualified in a recognised accountancy or tax qualification (ACA / ACCA / CTA / AIT or equivalent) with notable achievements that demonstrate practical tax experience.

At OrganOx, we value innovation, evidence, integrity, teamwork, respect, and passion. We offer competitive compensation and comprehensive benefits, including healthcare and retirement plans. We support work‑life balance and provide opportunities for ongoing professional development.

We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to age, disability, gender reassignment, marriage and civil partnership, pregnancy and maternity, race, religion or belief, sex, sexual orientation race, or any other characteristics protected by law.