Senior Tax Manager - R&D Tax Big4 Firm

Job Details

R&D Senior Tax Manager - Big 4 Opportunity

Location: London or South East
Salary: £90,000 - £100,000 + Car Allowance + Bonus + Comprehensive Benefits

Are you an experienced R&D tax professional looking to take the next step with a market-leading team? A prestigious Big 4 firm is expanding its Innovation & Incentives practice and is seeking a Senior Manager to join their high-performing R&D Tax team in London or the South East .

Why This Team?

You'll join one of the most respected innovation tax teams in the UK-working with some of the country's most pioneering businesses across sectors such as tech, life sciences, manufacturing, and engineering. The team is known for its technical excellence , collaborative culture, and genuine focus on career progression .

What You'll Be Doing

As a Senior Manager, you'll be at the forefront of advising clients on R&D tax credits , Patent Box claims , and other innovation incentives. You'll work closely with clients to understand their R&D activities, manage technical documentation, and lead engagements from end to end.

This is a client-facing, advisory-led role where your technical knowledge and leadership will directly shape the quality and success of claims submitted to HMRC.

Key Responsibilities:

• Leading and managing R&D tax relief projects from scoping to submission
• Building and nurturing long-term client relationships
• Drafting and reviewing clear, technically robust reports and documentation
• Applying tax legislation to real-world innovation
• Mentoring junior team members and supporting their growth
• Identifying cross-selling opportunities and contributing to business development

What We're Looking For:

• Proven experience in R&D Tax (Big 4, Top 10, or boutique firm)
• Strong technical knowledge of SME and RDEC regimes
• Confidence communicating with senior stakeholders and technical teams
• A meticulous eye for detail, particularly in report writing and data review
• A proactive, commercial mindset with a desire to grow and lead

What's on Offer:

• Highly competitive salary and Big 4 benefits package
• Flexible/hybrid working across London or South East offices
• Supportive environment with structured career progression
• Access to leading clients and complex, rewarding work
• The opportunity to shape innovation claims at the highest level

Interested in learning more?
Reach out confidentially to John Corfield on 📞 07921 603 914 or 📧 [email protected]

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Placing individuals in tax jobs demands expertise. Whether you have tax vacancies that need filling or are looking to further your career with a new tax job, we can provide an informed and effective service, recruiting from tax juniors through to tax manager and tax director levels.

When it comes to successfully placing people into tax jobs, experience and expertise are paramount. We strive to put the right candidate with the right business for the benefit of both parties.

The Pro-Tax brand stands for professionalism, integrity and above all results. We pride ourselves on repeat business and this can only be achieved by doing a good job not only first time, but every time. If you’re looking for your next career move get in contact with one of our recruiters here.

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020 4549 9941