**International Tax Manager

• Pillar Two**

RSM UK | London

Shape the future of international tax with a firm that combines global reach, premium service, and ambitious growth.

RSM is one of the world’s leading networks of audit, tax, and consulting firms, helping middle-market businesses succeed through expert advice and forward-thinking solutions. With a clear ambition to become the premium adviser to the middle market globally, we are building a future-focused firm where talented people can grow, contribute, and make a genuine impact.

If you are looking for an opportunity where your expertise will be valued, your development supported, and your ideas welcomed, RSM could be the right next step for you.

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About the Role

We are looking for an International Tax Manager to join our Corporate Tax team in London, with a particular focus on Pillar Two advisory and compliance.

Our international tax specialists work with a broad portfolio of large international clients, supporting them across complex cross-border tax matters. The team is heavily involved in helping organisations navigate every stage of their Pillar Two journey, from initial risk assessments and tax accounting to audit support, compliance, and resolving technical issues.

In this role, you will become part of a high-performing team that delivers both compliance and advisory services. You will have the chance to broaden your international tax expertise, work on challenging and high-profile matters, and build your career in a collaborative and entrepreneurial environment.

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What You’ll Be Doing

As an International Tax Manager, you will play a central role in delivering high-quality advice and managing client relationships across a range of international tax matters.

Key Responsibilities

• Act as a key point of contact for clients with international tax challenges, maintaining regular communication with client teams and coordinating internally to ensure effective delivery.

• Provide clear, practical, and technically strong advice on a range of international tax issues, including:

• Pillar Two

• Tax relief on interest

• Group reorganisations

• Shareholder reorganisations

• Tax accounting

• Acquisitions and disposals

• Broader international tax matters

• Work closely with colleagues across the firm to deliver joined-up solutions that add real value to clients.

• Support business development initiatives, collaborating with senior team members to identify opportunities and contribute to proposals.

• Build and strengthen your professional network, both with clients and within the wider market.

• Partner with other departments, including:

• Transactions teams on tax due diligence projects

• Restructuring advisory teams on distress and insolvency cases

• Coach and support junior team members, helping to develop capability across the wider team.

• Continue developing your own skills and knowledge, embracing opportunities to deepen your expertise and broaden your impact.

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What We’re Looking For

We are looking for someone who is curious, adaptable, and confident working in a fast-moving environment. You should enjoy solving problems, learning continuously, and building strong working relationships with clients and colleagues alike.

Ideal Candidate Profile

• ACA, ACCA, and/or CTA qualification or part-qualification

• Experience gained within an accountancy practice

• Strong knowledge of corporate tax

• Exposure to international tax advisory and compliance, including Pillar Two

• Proven ability to manage client relationships and handle a busy portfolio

• Excellent communication and organisational skills

• Experience with specialist tax software would be advantageous

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Why Join RSM?

At RSM, you’ll be part of a culture that values individuality, collaboration, flexibility, and fresh thinking. We don’t just respond to change

• we help shape it.

This is an opportunity to work with fantastic clients, contribute to meaningful projects, and accelerate your career in an environment designed to support both professional growth and personal wellbeing.

What We Offer

• Hybrid and flexible working options

• 26 days’ holiday, with the option to buy more

• A broad range of lifestyle, health, and wellbeing benefits

• Financial wellbeing support, including:

• Financial tools

• Electric car scheme

• Access to a virtual GP

• Access to 300+ on-demand learning courses created by our in-house talent development team

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Diversity, Inclusion & Belonging

At RSM, creating a strong sense of belonging matters. We want people from all backgrounds, identities, and experiences to feel able to bring their whole selves to work.

Our clients come from a wide range of industries, cultures, and communities, and we believe our teams should reflect that same diversity of perspective and experience. By building inclusive teams, we strengthen our ability to understand client needs, generate better ideas, and create lasting impact.

We are committed to fostering a culture where difference is valued, inclusion is embedded, and everyone has the opportunity to thrive.

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Ready to Make an Impact?

If you are looking to build your future in an ambitious, globally connected firm

• while working at the forefront of international tax and Pillar Two

• this could be the perfect opportunity to take your career forward at RSM UK.