About Citadel

The Citadel Group

Citadel is a leading technology and software company that specialise in secure enterprise information management in complex environments. We provide secure information to support real-time decisions across the Health, National Security and Defence industries.


Citadel created and manages Australia’s largest enterprise content management solution which holds over 500 million secure objects. Our health solutions support 50,000 daily transactions and hold over 27 years of data. We also manages content and collaboration services for Australia’s leading education providers.


Citadel was formed in 2000 and has over 250 employees across Australia, with the ability to access 3,000+ subject matter experts through partnerships.

iStock_000081284185_Double - Copy
Miles Jakeman of the Citadel Group poses for photographs at the companies headquarter in Canberra, Monday, October 9, 2017.  (AAP Image/Lukas Coch)

The Citadel story

We are proud to be a real Australian success story. In 2008, BRW announced us as Australia’s 9th fastest growing company with a three-year average growth rate of 146%. In 2009, we exceeded this by coming 3rd with a growth rate of 247%.


In 2010, Citadel was the 20th fastest growing private company in Australia. In 2014, we successfully listed on the Australian Stock Exchange (ASX:CGL) and have the aspiration of being Australia’s leading provider of Managed Services in complex, knowledge-driven environments.


Our clients include government agencies and private sector businesses. We are represented on over 300 different contract and preferred supplier arrangements nationally, with many of them seeking specialist skills.