Alliott Global Alliance

Alliott Global Alliance
FormerlyAlliott Peirson International (1979–1999)
TypePrivate limited company
IndustryProfessional services
Founded1979 (1979)
Headquarters,
Area served
Worldwide, 261 cities
Key peopleDarsi Casey (Worldwide Chair), Giles Brake (CEO)
ProductsMultidisciplinary professional services networks
ServicesAudit
Tax
Financial Advisory
Risk Advisory
Legal
Corporate finance
RevenueUSD$770 million (2022)
Members235
Websitewww.alliottglobal.com

Alliott Global Alliance is an alliance of independent professional services firms including accounting firms, law firms, audit firms and other specialist services providers.

The association was established in 1979 and as of 2025, comprises 235 member firms in 261 cities across 104 countries. Member firms are independent, mid-market professional practices.