World Tax Services UK Limited
International Tax Assistant Manager
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We’re setting out to reshape the future of tax advisory - one that’s better for clients, and better for advisers.
WTS UK is a new non-audit tax advisory firm offering the full range of services to large and listed businesses.
We take 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 WTS, headquartered in Munich, and connected through WTS Global, a network spanning 100 countries. We combine international reach with entrepreneurial agility. We are seeking an International Tax Assistant Manager / Senior Consultant to join our 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.
Working closely with senior colleagues, you will support clients on a broad range of international tax matters, including cross-border structuring, reorganisations, financing arrangements and international expansion. You'll work alongside specialists across the WTS Global network to deliver practical, commercially focused advice.
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This is an opportunity to play a meaningful role in a modern, conflict-free tax advisory firm, working alongside senior leaders and high-profile clients while developing your career in a collaborative and entrepreneurial environment.
Key Responsibilities
- Advise clients on international tax structuring and cross-border transactions, delivering technical work under the guidance of senior colleagues
- Support inbound and outbound investment projects
- Provide technical input on reorganisations, financing arrangements and supply chain structures
- Analyse developments arising from OECD initiatives, including BEPS and Pillar Two
- Interpret UK legislation and international treaty application
- Collaborate with colleagues across the WTS Global network on cross-border matters
- Prepare technical deliverables and client communications, and support the review of junior team members’ work
- Support the adoption of technology-enabled ways of working and digital tools that enhance client delivery
- Support budget tracking and resourcing across your engagements
- Build relationships with clients, attending meetings and supporting the wider account team
- Support business development initiatives and proposal preparation
- Support and mentor junior team members and trainees
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Requirements
- CTA, ACA, CA, ACCA, ADIT or equivalent professional qualification
- Developing UK and international corporate tax technical expertise
- Experience working with 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
- Some experience supporting client relationships, with an interest in developing junior team members
- A collaborative mindset aligned with our culture
Benefits
- Work in a bureaucracy-free, pure advisory environment
- Build something new in a high-growth firm
- Direct exposure to senior leadership and complex client work
- 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 — we’d love to hear from you.
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