Brewer Morris
In-house Employment Tax Manager (3 or 4 days a week)

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A leading international business is seeking an experienced Employment Tax Manager to join its established in-house tax function. The role will be based in London and would suit someone looking to work 3 or 4 days a week (either specific days or reduced hours). Expectation is for 2 days a week in the office.
Reporting directly to the Group Tax Director, this is a fantastic opportunity to take ownership of employment tax matters across a large and complex organisation. The role offers broad exposure to advisory, compliance, governance and project-based work, as well as the opportunity to work closely with senior stakeholders across finance, legal, HR and operational teams.
This position would suit an employment tax specialist looking for a commercially focused role with significant stakeholder interaction and the opportunity to influence policy, process improvements and strategic initiatives.
The Role
Key responsibilities will include:
- Acting as the subject matter expert on employment tax matters across the business
- Providing advice on a broad range of employment tax issues, including benefits, expenses, employment status and employee reward arrangements
- Managing annual compliance obligations, including PSA, P11D and Employment Related Securities reporting
- Supporting the business with off-payroll working (IR35) compliance and risk management
- Advising on the employment tax implications of new business initiatives and employee incentive arrangements
- Undertaking risk and control reviews and supporting wider tax governance initiatives
- Monitoring legislative and regulatory developments and communicating their impact to stakeholders
- Supporting HMRC enquiries, audits, disclosures and settlements
- Working closely with finance, legal, compliance, treasury and shared services teams on cross-functional projects
- Developing and enhancing internal policies, controls and training materials
- Supporting technology, automation and compliance transformation initiatives
- Managing relationships with external advisers in relation to globally mobile employees and executive mobility matters
- Providing employment tax support on acquisitions, disposals and business transformation projects
- Assisting with Short-Term Business Visitor and international mobility reporting processes
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About You


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The successful candidate is likely to have:
- CTA, ATT or equivalent tax qualification
- Proven employment tax experience gained within practice, industry or HMRC
- Strong technical knowledge across employment tax compliance and advisory matters
- Experience of off-payroll working (IR35) and employment tax risk management
- Experience dealing with HMRC enquiries, audits and disclosures
- Excellent communication skills with the ability to explain complex tax issues to non-tax stakeholders
- A commercial and pragmatic approach to problem-solving
- The ability to work independently while building strong relationships across the business
This is an excellent opportunity to join a highly regarded organisation in a visible and impactful role, combining technical employment tax expertise with genuine commercial involvement.
For more information and a confidential discussion, please contact Sarah Reid on sarahreid@brewermorris.com.
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