CIMIC Group Limited (formerly known as Leighton Holdings prior to April 2015) is an Australian multinational contractor. It is active in the telecommunications, engineering and infrastructure, building and property, mining and resources, and environmental services industries. It has operations in Australia, Southeast Asia, New Zealand, and the Middle East. Leighton Holdings was rebranded as the CIMIC Group in 2015.

CIMIC stands for Construction, Infrastructure, Mining and Concessions.

Traded as:           ASX: CIM

Industry:              Construction, Civil engineering

Predecessor:     Leighton Holdings

Founded:            1949

Founder:             Stanley Leighton

Headquarters:   North Sydney, New South Wales, Australia

Parent:                 Hochtief (70%)

Website:              www.cimic.com.au