Karbon is a collaborative practice management software company based in California, with offices in San Francisco and Sausalito. Founded in 2014, Karbon specializes in a cloud-based workstream collaboration platform tailored for accounting firms. This platform integrates email, discussions, tasks, and workflows into a single system, enhancing visibility, efficiency, and connectivity across teams and clients.

The core product is an award-winning platform that streamlines work and communication for accounting firms. It serves as a vital operating system, combining email management with task and workflow automation. This centralized hub helps firms manage client work and internal collaboration, improving transparency and productivity. In addition to technology, Karbon offers knowledge sharing, best-practice workflows, webinars, and onboarding services to support firms in achieving practice excellence.

Karbon has raised approximately $66.2 million in funding and generates around $42 million in revenue, employing about 200 people. The company is dedicated to empowering accounting firms with innovative technology and collaborative tools to enhance operational efficiency and client communication.