[1] The company has expanded internationally with stores in Asia, Europe, South America, and the United Kingdom through franchising.

[3] In 2000, Allis opened her first Boost Juice Bar in King William Street, Adelaide while she was on maternity leave.

[6] The founders of British bakery firm Millie's Cookies, Richard O'Sullivan and Mario Budwig, signed an agreement with Boost Juice Bars to launch the brand in the United Kingdom.

[8] In 2008, Nestlé launched a range of fruit smoothies in association with Boost Juice Bars, to operate alongside the company's expansion into the United Kingdom.

[16] As of June 2022, stores operate in Australia, Brunei Darussalam, Cambodia, Chile, Estonia, Indonesia, Latvia, Laos, Malaysia, New Zealand, Saudi Arabia, Singapore, Taiwan, United Kingdom, Vietnam and Malta.

In 2017, Boost updated its Enviro-Cup with a new Fill-Up-Cup, which maintained the size and discount; however, this cup was considered by the company to be more aesthetically pleasing and was ergonomically designed to be spill-proof.