CMS recognised as a leading global arbitration practice with top 15 ranking in GAR100 2026

International law firm CMS has been recognised among the world’s leading international arbitration practices, ranking 13th in the Global Arbitration Review’s GAR100 ranking for 2026.

This year’s result builds on CMS’s strong performance in recent editions of the GAR rankings. Having been ranked 22nd globally in 2025, the firm has continued to strengthen its position, culminating in a top 15 ranking in the 2026 table. CMS was also named this year’s highest climber, underlining the momentum behind its arbitration practice and reinforcing its status among the world’s leading international arbitration teams.

Commenting on the achievement, Head of International Arbitration and CMS Partner, Philip Norman said: “We’re proud to be recognised once again in GAR’s top ranked arbitration firms, and particularly pleased to see the firm continuing to strengthen its position in such a competitive global field. This recognition reflects the depth of our global capability, the quality of our people and the confidence clients place in us to handle their most complex arbitration matters. As I step into the role of Head of International Arbitration at CMS, my focus is on continuing to build on this platform, strengthening collaboration across our global teams and ensuring we remain at the forefront of the market.”

The CMS International Arbitration team is one of the largest of any law firm and spans the globe, comprising a diverse range of specialists with a sector led approach that brings significant depth of experience. The CMS team regularly act in arbitrations under all the major rules including LCIA, ICC, HKIAC, SIAC, CIETAC, LMAA, UNCITRAL and AAA.

CMS has dedicated arbitration lawyers in over 35 offices worldwide, with around 350 lawyers including more than 100 partners, advising on disputes across a broad range of industries and arbitral institutions.