Sinch
Company
Key facts about this entity
- Founded 2008 as CLX Communications; listed on Nasdaq Stockholm since October 2015
- December 2016: CLX acquired the original Sinch AB; group renamed Sinch in 2019
- 2025 net sales: SEK 27.1 billion
- June 2026: Jonas Dahlberg appointed acting CEO
- Billion-dollar status is a public market value, not a private round
- Listed on TUM's 'Unicorns founded by TUM alumni' list (dated 4 August 2026) as 'acquired (clx communications)'
Entity Profile
Overview
Sinch AB (publ) provides a communications platform as a service: businesses use its APIs to send messages, make voice calls and send email (through Mailgun). It is listed on Nasdaq Stockholm and reported 2025 net sales of SEK 27.1 billion.
Why this entity matters
Sinch is on the Technical University of Munich's August 2026 list of unicorns founded by TUM alumni, supplied to Startuprad.io by UnternehmerTUM's press office in October 2026, where it is marked 'acquired (clx communications)'. The record shows the reverse: CLX Communications bought the original Sinch AB in December 2016 and renamed the group Sinch in 2019. Startuprad.io found no TUM-alumni founder among CLX's founders or the founder of the original Sinch AB. No UnternehmerTUM programme or UVC Partners investment has been documented.
Company history and product
CLX Communications was founded in Sweden in 2008 and listed on Nasdaq Stockholm in October 2015. In December 2016 it acquired Sinch AB, a 2014 spin-out from Rebtel, and in February 2019 announced that the whole group would take the Sinch name. Acquisitions including MessageMedia and Mailgun followed. In June 2026 CFO Jonas Dahlberg was appointed acting CEO.
Role in the European start-up landscape
Sinch is a Swedish company with large European operations; its relevance to Germany runs through its customer base and partnerships such as its RCS integration with SAP (October 2026).
Selected relationships and affiliations
Founders (CLX Communications): Johan Hedberg, Robert Gerstmann, Kristian Männik, Henrik Sandell, Björn Zethraeus, Kjell Arvidsson. Founder of the original Sinch AB: Andreas Bernström. Acting CEO: Jonas Dahlberg (since June 2026).
Startuprad.io relevance
Sinch is covered in Startuprad.io's Unicorn Atlas special on the 23-company list of unicorns founded by TUM alumni, which UnternehmerTUM's press office supplied to Startuprad.io in October 2026. The special checks each company's TUM link, its billion-dollar milestone and any documented UnternehmerTUM programme or investment.
Public source context
This profile is drawn from public sources including Sinch, Nasdaq Stockholm filings and Startuprad.io coverage. Time-sensitive figures, including valuations and ownership, are reported with their dates and should be re-verified against primary sources before commercial use.
Startuprad.io coverage of Sinch
Sinch appears in the following Startuprad.io interviews, news and analysis.
Exclusive: The 23-Unicorn List UnternehmerTUM Gave Us — and Where Its Role Is on Record
Published: 26 October 2026
Last updated: 26 October 2026
Coverage type: Analysis
https://www.startuprad.io/post/exclusive-the-23-unicorn-list-unternehmertum-gave-us-and-where-its-role-is-on-record
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Canonical record: https://www.startuprad.io/entities/sinch