The partners of London firm Ashurst and US outfit Perkins Coie have voted ‘overwhelmingly’ in favour of a proposed merger to form Ashurst Perkins Coie.

Ashurst Perkins Coie will be a ‘globally integrated firm with combined revenues of approximately US$2.8 billion’, the pair said today. It will comprise some 3,000 lawyers across more than 50 offices, with flagship hubs in London, Seattle, Sydney and New York.

The announcement added: ‘Building on both firms’ history of innovation, including early adoption of AI, Ashurst Perkins Coie will leverage its combined scale and technological leadership to enhance the insight, speed, and quality of the service it provides to clients around the world.’

The approval follows consultation by both firms which, they said, ‘reflects strong support for the combination of two law firms with highly complementary geographic reach, sector depth and practice strength’.

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Bill Malley, firmwide managing partner at Perkins Coie, said: ‘Our partnership’s approval reflects a shared belief that combining to form Ashurst Perkins Coie will create a truly differentiated global legal platform, one with the scale, sector depth, and technological leadership to meet our clients’ increasingly complex, cross-border needs.’

Paul Jenkins, global CEO at Ashurst, said the ‘two firms are a natural fit’. He added: ‘Our complementary expertise across sectors and practice areas, together with our shared commitment to innovation, will deliver greater scale and global reach for our clients, while creating a compelling platform for top legal talent.’

The merger is expected to take effect in the third quarter of 2026.