International Tax Senior Managers - newly launched Start Up

CORPORATE INTERNATIONAL TAX MANAGERS / SENIOR MANAGERS

About the firm

This firm is setting out to reshape the future of tax advisory - one that's better for clients, and better for advisers.
It is a new non-audit tax advisory firm offering the full range of services to large and listed businesses.

Taking a fresh approach to tax advisory - unafraid to offer bold perspectives on complex issues. We provide clear, actionable advice, demonstrating what's possible when a firm is purpose-built for today's environment.
Modern, focused, and powered by senior expertise, we embed AI into our ways of working to sharpen insight and enhance client service.

We are proud to be part of a Global Network spanning 100 countries. We combine international reach with entrepreneurial agility. We are seeking an International Tax Manager / Senior Manager to join our new and growing team. You will advise large and listed businesses on complex cross-border matters, helping them navigate evolving international tax frameworks with clarity and commercial focus.

This is an opportunity to play a meaningful role in building a modern, conflict-free tax advisory firm - shaping workflows and working directly with senior leaders and high-profile clients in a dynamic, entrepreneurial environment.

Responsibilities

• Advise clients on international tax structuring and cross-border transactions
• Provide technical input on reorganisations, financing arrangements and supply chain structures
• Lead the firm in designing and adopting technology‑enabled ways of working, championing digital tools that enhance delivery and empower teams
• Support inbound and outbound investment advisory
• Lead technical analysis of developments arising from OECD initiatives, including BEPS and Pillar Two
• Interpret UK legislation and international treaty application
• Collaborate with colleagues across jurisdictions within the WTS Global network
• Review and oversee technical deliverables and client communications
• Support business development initiatives and proposal preparation
• Mentor and develop junior team members

• CTA, ACA, CA, ACCA or equivalent professional qualification
• Strong UK and international corporate tax technical expertise
• Experience advising large or listed businesses
• Solid understanding of BEPS, Pillar Two and transfer pricing principles
• Commercial awareness and ability to deliver practical advice
• Strong written and verbal communication skills
• A collaborative mindset aligned with our culture

Why Join US?

• Opportunity to build something new in a high-growth firm
• Work in a pure advisory environment; free from red-tape
• Direct exposure to senior leadership and complex client work
• International collaboration across 100+ countries
• A culture built on collaboration, not hierarchy
• Flexibility to shape your career path

If you're looking for a different kind of tax advisory firm - one focused on clarity, impact, and collaboration - then drop me an email on [email protected] and/or apply to this now.

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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.