Toothsi, a leading innovator in clear aligner technology, has raised $40 million from Eight Roads Ventures, Paramark, IIFL, and the family office of Medlife founders Prashant Singh and Tushar Kumar. Existing investors Think Investments and the Mankekar family also participated in the round, as well as independent angel investors such as Aditya Puri, former managing director of HDFC Bank, and Karan Singh, managing partner of Bain & Company's India offices.

The organization was founded by orthodontists Arpi Mehta, Pravin Shetty, Manjul Jain, and Anirudh Kale. Clear teeth aligners are sold by a direct-to-consumer company. These aligners are delivered to the consumer's home. Additionally, Toothsi recently launched a skincare brand called Skinnsi, which offers laser hair removal and derma-facials

The company has raised $20 million in a Series B round led by Eight Roads Ventures (a global investment firm backed by Fidelity), San Francisco-based Think Investments, and the Mankekar Family Office. In January 2021, the startup raised a Series A round of $5mn. The startup work across 7 cities in the country.
The company has more than 2,000 dental clinics across the country. It is planned to further expand the Toothsi brand into tier-II cities in the near future.