Thumbtack

Thumbtack builds a marketplace and app that connects U.S. homeowners with service professionals for repairs, maintenance, and home improvements. Pros pay for leads and bookings generated on the platform, and can use built-in tools for scheduling, messaging, and payments. Founded in 2008 and headquartered in San Francisco, it features a network of about 300,000 local businesses and has supported over 11 million projects nationwide.