News & Insights Three Crowns’ London Office relocates...

Three Crowns’ London Office relocates to the JJ Mack Building at 33 Charterhouse Street

News 8th April 2025

Three Crowns is pleased to announce that the firm’s London office has relocated into the JJ Mack Building at 33 Charterhouse Street, one of the city’s smartest and most sustainable office spaces, in the heart of Farringdon.

The move reflects the continued success and growth of our London team and captures our ambitions for the future, as we embark upon the second decade of Three Crowns.

The JJ Mack Building is the UK’s most sustainable building, achieving an unprecedented 96.42% in its BREEAM assessment, making it the first building to be rated as “Outstanding” in the UK.

The new space features sophisticated design integrated with progressive technology to facilitate improved ways of working for staff members, as well as offering enhanced client meeting spaces and events capabilities.

ABOUT THREE CROWNS

Three Crowns is a law firm dedicated to international arbitration and international law. With offices in London, Madrid, Paris, Singapore, and Washington, DC, the firm’s lawyers have been at the forefront of many of the most significant commercial, investment, and inter-State arbitral cases of the past decades. Three Crowns’ “one firm, one team” approach ensures that clients receive a seamless service and dedicated lawyers on every mandate. Visit www.threecrownsllp.com.