HiSmile is an Australian oral care company founded in 2014 by Nik Mirkovic and Alex Tomic, based in Queensland. The company specializes in innovative teeth whitening products and a variety of oral care items, including toothpaste, lip balms, toothbrushes, mouthwashes, and dental floss, many of which come in unique flavors to enhance the user experience.

The flagship product is a teeth-whitening kit featuring a one-size-fits-all mouth tray and LED light, designed to minimize pain and sensitivity. HiSmile's products are vegan-friendly and cruelty-free, appealing to ethically conscious consumers. The brand is known for its collaborations with popular franchises and influencers, which have significantly boosted its visibility. HiSmile has experienced rapid growth, achieving over $40 million in revenue within three years and aiming for a billion dollars in annual revenue within a decade. The company focuses on organic growth while maintaining control over its vision.