PrimeTax, established in 2010, is one of Switzerland’s leading independent tax advisory firms. As a specialised tax boutique firm, PrimeTax focuses exclusively on national and international tax law and provides clients with partner-led, high-end advisory services across all key areas of tax.The firm is particularly recognised for its work in corporate and transactional tax, transfer pricing, tax litigation, and cross-border structuring. PrimeTax is also highly active in compliance, tax accounting and VAT, enabling it to support clients across the full tax lifecycle.

While the core team comprises 18 dedicated tax professionals, PrimeTax has access to more than 100 professionals in Switzerland through a close collaboration with a trusted partner accounting firm, giving it the scale to serve particularly large and complex mandates.

Clients include multinational groups, listed companies, private equity sponsors, institutional investors, family offices and UHNWIs. PrimeTax is particularly strong in regulated sectors such as financial services, private equity, real estate, life sciences, infrastructure and insurance.

The firm is also recognised for its academic and thought leadership, including published works in leading Swiss tax journals, contributions to legal handbooks, and teaching roles at the University of Zurich.

PrimeTax combines deep technical tax expertise with strong commercial understanding. It maintains longstanding relationships with top-tier international law firms and tax advisers, enabling seamless collaboration in cross-border matters. Clients value PrimeTax for its agility, partner involvement and strategic problem-solving ability. The firm continues to strengthen its position in the market by focusing on quality, responsiveness and tailored solutions for complex tax challenges in Switzerland and beyond.