It is an online directory that allows users to search for, rate, and hire local service providers to work on a variety of personal projects, including home improvement, financial and legal services, computer / IT repair and event planning.

Thumbtack was founded in 2008 by Marco Zappacosta, Jeremy Tunnell, Jonathan Swanson, and Sander Daniels.

[4] In June 2013, Thumbtack raised an additional $12.5 million through a Series B round of venture capital funding.

[7] In September 2015, Thumbtack raised $125 million of venture capital funding, led by Baillie Gifford.

[9] In July 2021 the company raised $275 million at a $3.2 billion valuation led by the Qatar Investment Authority.