ClickUp is a project management product from Mango Technologies, Inc. (ClickUp), based in San Diego, California, USA, founded in 2017. $537.5M raised across 5 rounds; $4B valuation after a $400M Series C in October 2021 led by Andreessen Horowitz and Tiger Global. Reported about $300M ARR in 2026 and roughly 1,000 employees.