In June 2006, BigAir acquired customers who used the iBurst technology from T3 Wireless, a subsidiary of Pacific Internet.
The iBurst business was shut down in 2009.
In April 2010 BigAir acquired Wizz Communications. The acquisition of this wholesale fixed wireless point-to-point business gave BigAir new base stations in the major cities.
In July 2010 BigAir announced it had acquired the assets and customer base of the wholesale broadband division of Star-Tech Communications.
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In January 2011 BigAir acquired Clever Communications located in Melbourne, Australia.
Also in January 2011, BigAir announced its acquisition of AccessPlus. AccessPlus provided managed Internet services to tertiary student accommodation at more than 20 sites across Australia. The investment by BigAir was $5 million.
In May 2012 BigAir acquired wireless-broadband and student accommodation internet provider Allegro for $7.5 million and an additional sum of up to $3 million depending on the revenue from Allegro in the 2013 financial year; expected to be between 5–6 million. This extends the existing BigAir network in QLD and adds Gladstone and Mackay to the areas of coverage, as well as allowing BigAir to make use of Allegro's existing 3.5 GHz spectrum allocation for WiMAX services.
In August 2013 BigAir purchased Perth-based telecommunications provider, Intelligent IP Communications (IIPC) for $10 million with an additional sum of up to $10 million based on the performance of IIPC in 2014 and 2015 financial years. This secured BigAir 550 new customers including remote Australian mining site customers and contracts as well as an established voice and video communications platform deployed by IIPC Australia-wide.