Tax Disputes Senior / Assistant Manager - #2138793

Tax Disputes Senior / Assistant Manager

Location: London (Hybrid - 3 days office / 2 days remote)

Salary: Competitive + Excellent Benefits

Job Type: Full-time, Permanent

Are you an ambitious tax professional looking to specialize in tax controversy, or an established disputes specialist ready for a step up? A well-regarded Top 30 accountancy firm in London is expanding its dedicated Tax Disputes team following sustained practice growth and strategic investment.

This role offers high-visibility exposure to complex HMRC investigations, voluntary disclosures, and tax risk advisory-working directly alongside the Head of Tax Disputes in a supportive, growth-focused practice.

Key Responsibilities

• Controversy & Investigations: Manage a diverse caseload including COP8 and COP9 investigations, HMRC enquiries, and complex voluntary disclosures.

• HMRC Negotiations: Handle direct technical correspondence and negotiations with HMRC, including penalty mitigation and dispute resolution.

• Risk Advisory: Perform detailed tax risk analysis and advise clients on controversy prevention and risk management strategies.

• Portfolio & Collaboration: Take ownership of client matters while collaborating closely with wider internal tax, legal, and compliance teams.

About You

• Senior Level (Career Switch): Newly CTA-qualified candidates with a strong foundation in Private Client or Corporate Tax within practice, showing a clear passion to pivot into tax disputes.

• Assistant Manager Level: Experienced tax controversy specialist (or Senior ready to step up) with post-qualified practice experience and proven client management skills.

• Technical Skills: Strong understanding of HMRC powers, penalty regimes, and enquiry processes, paired with sharp technical drafting and communication skills.

What's on Offer

• Agile Working: Hybrid working model (3 days office / 2 days remote) with flexible core hours.

• Generous Leave: 25.5 days annual leave + public holidays.

• Health & Financial Security: Private Medical Insurance, Income Protection, and competitive pension scheme.

• Culture & Growth: Direct mentoring from senior leadership, a vibrant social calendar, and clear, structured routes for career progression.

How to Apply

For a confidential discussion or to request a full job specification, please contact Kate Green at .

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As an employer, we are committed to ensuring the representation of people from all backgrounds regardless of their gender identity or expression, sexual orientation, race, religion, ethnicity, age, neurodiversity, disability status, or any other aspect which makes them unique. We welcome applicants from all backgrounds to apply and would encourage you to let us know if there are steps, we can take to ensure that your recruitment process enables you to present yourself in a way that makes you comfortable.