Employment Tax Manager / Specialist – UK Compliance & Governance

GSK | New Oxford Street, London, UK

Posted: 26 May 2026

Join GSK and play a key role in strengthening UK employment tax compliance and governance within a global biopharma organisation. This opportunity sits within a global employment taxes team, with a primary focus on UK domestic employment tax obligations, while also offering exposure to advisory work, cross-border topics, and wider tax transformation initiatives.

This is an excellent opportunity for an employment tax professional looking to expand both their technical expertise and operational experience in a large, complex FTSE-listed environment. The role is particularly well suited to someone who enjoys improving controls, driving process efficiency, and partnering with stakeholders across multiple business functions.

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About the Role

As part of GSK’s global employment taxes team, you will take ownership of key UK compliance and governance activities, helping the organisation manage employment tax risk effectively and meet all relevant statutory requirements.

The position has a strong compliance and governance focus, but also offers scope to contribute to advisory work, employment tax projects, and initiatives that support consistency and best practice across the wider global group.

Aligned with GSK’s commitment to digital fluency, the role also requires a continuous focus on identifying opportunities to streamline and improve the processes under your remit.

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What You’ll Be Responsible For

1. UK Employment Tax Compliance

You will lead and support core UK employment tax compliance activity across the group, ensuring obligations are delivered accurately and on time.

• Coordinate and review annual and periodic employment tax filings, including:

• P11Ds

• P11D(b)s

• PAYE Settlement Agreements (PSAs)

• Related disclosures and reporting

• Partner with payroll teams to ensure employment tax rules are accurately reflected in payroll operations

• Maintain compliance with internal control requirements, governance standards, and audit expectations

• Help ensure a consistent and well-controlled approach to UK employment tax management

2. Stakeholder Management

You will act as a trusted contact for employment tax matters, building strong working relationships across the business and supporting stakeholders with practical, clear guidance.

• Serve as a key contact for internal teams, including:

• Payroll

• HR

• Reward

• Benefits

• Finance

• Act as the primary contact with HMRC for UK employment tax compliance matters

• Manage responses to:

• Routine HMRC correspondence

• Reviews and queries

• Day-to-day compliance interactions

• Support the Head of Employment Taxes on more complex, sensitive, or escalated issues when required

3. Benefits, Expenses & Reward

You will provide practical UK employment tax support in relation to employee benefits, expenses, and remuneration arrangements.

• Advise on the employment tax treatment of benefits and expenses

• Interpret policy and support the practical application of UK tax rules

• Work with Reward and HR teams on the tax implications of remuneration and employee benefit structures

• Assist with UK employment tax matters linked to share-based incentive arrangements

4. Global Collaboration & Mobility Support

Although the role is UK-focused, you will also contribute to broader global employment tax matters and cross-functional initiatives.

• Collaborate with the Global Mobility team on UK employment tax considerations for internationally mobile employees

• Provide input on:

• Payroll implications

• Shadow payroll considerations

• UK tax treatment for cross-border employee populations

• Share UK technical expertise in wider global projects, improvement initiatives, and employment tax programmes

• Support alignment, consistency, and best practice across the global employment taxes team

5. Risk Management & Continuous Improvement

You will help GSK stay ahead of legislative change while strengthening controls and identifying opportunities for improvement.

• Keep up to date with:

• UK employment tax legislation

• HMRC guidance and practice developments

• Proactively identify:

• Risks

• Process gaps

• Control weaknesses

• Efficiency opportunities

• Support internal reviews, audits, and governance activity relating to UK employment tax

• Contribute to process enhancement and digital ways of working

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What We’re Looking For

Essential Experience & Qualifications

We are looking for someone with strong UK employment tax knowledge and the confidence to operate effectively in a collaborative, fast-paced environment.

• Experience in UK employment taxes, gained:

• In-house

• In professional services

• Or through a combination of both

• Strong understanding of:

• PAYE

• NIC

• Benefits-in-kind

• Employer reporting obligations

• Practical experience dealing directly with HMRC on employment tax matters

• Ability to work independently, manage competing deadlines, and deliver accurate outcomes

• Professional qualification such as:

• ATT

• CTA

• ACA

• ACCA

• Or equivalent

• Candidates qualified by experience will also be considered

• Strong communication skills, with the ability to explain technical tax matters clearly to non-tax stakeholders

Preferred Background

The following experience would be beneficial, though not essential:

• Experience in a FTSE-listed or multinational organisation

• Background in a top-tier advisory firm

• Exposure to global organisations

• Experience supporting internationally mobile employee populations

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Why Join GSK?

GSK is a global biopharma company with a clear purpose: to unite science, technology and talent to get ahead of disease together.

The organisation aims to positively impact the health of 2.5 billion people by the end of the decade, while continuing to grow as a place where people can thrive. GSK focuses on preventing and treating disease through innovation in specialty medicines and vaccines.

Its work is centred on four key therapeutic areas:

• Respiratory

• Immunology and inflammation

• Oncology

• HIV

• Infectious diseases

At GSK, the culture is built on being:

• Ambitious for patients

• Accountable for impact

• Committed to doing the right thing

This foundation helps teams deliver meaningful outcomes for patients, shareholders, and colleagues alike.

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Working at GSK

GSK supports an agile working culture across its roles. If flexibility is important to you, you are encouraged to discuss available options with the hiring team during the recruitment process.

GSK is also committed to creating an inclusive workplace where all employees can perform at their best and feel supported in doing so.

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Equal Opportunity Statement

GSK is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, pregnancy, gender identity, sexual orientation, parental status, national origin, age, disability, genetic information, military service, or any other legally protected status under applicable law.

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Accessibility & Adjustments

If you require adjustments during the recruitment process to help demonstrate your strengths and capabilities, you can contact:

• UKRecruitment.Adjustments@gsk.com

You may also request a call through this channel. Please note that this contact route is intended for adjustment-related enquiries only.

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Important Information for Agencies

GSK does not accept unsolicited referrals from employment businesses or agencies in relation to roles advertised on its site.

Any agency wishing to refer candidates must first obtain written authorisation from GSK’s relevant procurement or HR function. Without this prior written approval, any referral activity will be considered unauthorised, and GSK will not be liable for any associated fees.

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Additional Transparency Notice

If you are a US Licensed Healthcare Professional, or are otherwise classified as a healthcare professional under applicable US state law, GSK may be required to track and report certain expenses incurred on your behalf should you be invited to interview. This is to ensure compliance with US federal and state transparency regulations.

Further information is available via the CMS Open Payments website:

• https://openpaymentsdata.cms.gov/

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Application Deadline

Closing date for applications: 8 June 2026

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In Summary

This is a highly visible opportunity for a UK employment tax professional to join a global organisation where compliance, governance, collaboration, and continuous improvement are all central to success.

If you are looking for a role where you can combine technical depth, stakeholder partnership, and process improvement in a sophisticated international environment, this could be an excellent next step in your career.