Business Instant Messaging SoftwareSan Mateo, CaliforniaFounded 2013CEO John Kim
Sendbird is a San Francisco-based business-to-business company that provides a messaging SDK and API platform enabling user-to-user communication inside third-party applications.
Sendbird's annual revenue was $40M in June 2024, the most recent figure on record. Sendbird is #173 on the Latka Top, level with four others. The Latka Top ranks the 1,372 companies Nathan Latka has interviewed by revenue.
| As of | Revenue | Source |
|---|---|---|
| 2020 | Over $20M | Calculated from what John Kim saidWatch at 16:58exact figure declined |
| Dec 2023 | $35.7M | – |
| Jun 2024 | $40M | Confirmed by CEO |
– source not recorded
Sendbird is privately held, so there is no Sendbird stock to buy. Investors valued it at $1.1B in its April 2021 Series C.
Sendbird has raised $220.7M across five rounds since 2016. The latest was a $100M Series C in April 2021.
| Date | Round | Raised | Valuation | Source |
|---|---|---|---|---|
| Apr 2021 | Series C | $100M | $1.1B | – |
| May 2019 | Series B | $102M | – | John Kim on cameraWatch at 9:46 |
| Dec 2017 | Series A | $16M | – | – |
| Jun 2017 | Seed | $2.6M | – | – |
| Mar 2016 | Seed | $120K | – | – |
| Total raised | $220.7M |
Nathan Latka has interviewed Sendbird once, speaking with John Kim. Each figure links to the second it was said.
Watch: How Sendbird Surpassed $20M Run Rate with 422 Customers and 100M Monthly Active Users (Interview with Co-Founder and CEO John Kim)March 2020 · John Kim, Co-Founder and CEO
Growth tactics they described: Cold OutreachWatch at 8:38Organic SEOWatch at 8:14
Sendbird competes most directly with Twilio and Pubnub Inc.. It is the smallest of the three by revenue.
| Company | Revenue | Funding | Employees | Customers | Founded |
|---|---|---|---|---|---|
 Twilio | $5.1B | $607.2M | 6,468 | 34K | 2008 |
 Pubnub Inc. | $46.2M | $134.1M | 147 | 2K | 2010 |
| Sendbird | $40M | $220.7M | 300 | 422 | 2013 |
#8 of 289 Business Instant Messaging Software companies by revenue · category median $1.3M · See the ranking
John Kim founded Sendbird in 2013 and runs it as CEO. Sendbird has 300 employees (November 2025, LinkedIn).
InvestorsMatthew Jacobson
Also at SendbirdChang Hoon Sung, Gwonsoo Lee, Kyle Miglizzi, Suhirtha M A, Dongkeun Lee, Taegyung Iggy Eom, Insik Kim, Jessica Kim, Cannia H., Kibeom Lee, Matthew Shaw, Seungjae Lee, Kevin Chen, Jae Shok, Alina Won, Jihee Kim, Seongkon Han, Junsub Kim, Amanda Jakyoung Goo, Junseong Hwang, Celine JeongWon Moon, Eunchang Lee, Cheryl Chai, Angela Kim, Yunhae Choi, Alex Sooduck Chung, Sanghee Lee, Daegeon Kwon, Jack Wei, Minju Kim, Sam Zayed, Cameron Slatton, Jin Ku, Ebhan Kharisma, Gwon Soo Lee, Taha Saghir, Regina Nur Ramadhani, Harry Kim, Taesun Park, Injoon Lee, Geetika Jain, Benjamin Lim, Rachel Spatz, Minseok Han, Daniel Aguilar, Angela Park, Calvin Zhang, Doug Exner, Baek Minjung, Hyung Joon Edward Lim, Lucy Lei, Jiho Shin, Gilwon Lee, Chris Candelora, Daniel Um, Jiyong Youn, Shozab Mohammed, Mickey C., Send Atlas, EunJi-Kay K., Robert Scuderi, Ibrahim Patel, Kirsten McLaughlin, Shailesh Nalawadi, Ahn Jungho, Eugene YJ L
Formerly at SendbirdFrancis Marantal
| As of | Employees | Source |
|---|---|---|
| Nov 2025 | 300 | |
| Oct 2024 | 303 | |
| Dec 2023 | 303 | |
| Sep 2023 | 303 | – |
| 2023 | 303 | – |
| Dec 2022 | 306 | |
| 2022 | 336 | – |
| Dec 2021 | 324 | |
| Aug 2021 | 286 | – |
| Mar 2020 | 200 | John Kim on cameraWatch at 9:06 |
| Dec 2019 | 149 | – |
| Dec 2018 | 62 | – |
The most recent figure is $40M in annual revenue, from June 2024.
Companies don't publish a net worth. The closest figure is Sendbird's valuation: $1.1B, set in Apr 2021.
Sendbird is privately held by its founders, employees and investors.
No. Sendbird is a private company, so its shares are not listed on a stock exchange.
$220.7M across 5 rounds; the latest was a $100M Series C in April 2021.
John Kim, a founder.
John Kim, in 2013.
About 300 as of November 2025 (LinkedIn).
10 said on camera · 6 from public sources. Founder figures link to the second they were said; public figures name their source; estimates are marked EST. and say whose they are. Not financial advice. The Latka Top ranks the private, operating companies Nathan Latka has interviewed by the latest revenue figure on each profile, reported or estimated; equal figures share a rank.
Updated Oct 5, 2026Data disclaimerReport a correctionClaim this profile
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