CircleCI has been radically improving developer productivity since their founding in 2011. Paramount to CircleCI\'s platform is its unmatched raw speed, as well as its ability to automatically parallelize tests across 16 machines, allowing developers to get their test results up to 30x faster than on their own servers. Among their customers are Kickstarter, Stripe, Red Bull, Zaarly, GrubWithUs, MongoHQ, Academia.edu, Zencoder, Storenvy, inDinero, HomeFinder, Pathable, and InternMatch.
| Date | Amount | Type | Investors | Valuation |
|---|---|---|---|---|
| 02/25/13 | $1,500,000 | Seed |
500 Startups Eric Ries Hiten Shah James Lindenbaum Jason Seats | undisclosed |
| 02/07/14 | $6,000,000 |
DFJ | undisclosed | |
| 05/16/16 | $18,000,000 | Series B |
DFJ Harrison Metal Scale Venture Partners | undisclosed |
| 01/17/18 | $31,000,000 | Series C |
Baseline Ventures DFJ Harrison Metal Heavybit Industry Ventures Scale Venture Partners Top Tier Capital  | undisclosed |
| 07/23/19 | $56,000,000 | Series D |
Baseline Ventures Harrison Metal Heavybit Industry Ventures NextEquity Partners Owl Rock Capital Partners Scale Venture Partners Threshold Ventures Top Tier Capital | undisclosed |
| 04/07/20 | $100,000,000 | Series E |
IVP Sapphire Ventures | undisclosed |
