Ambient Sound Investments

Ambient Sound Investments OÜ, founded in 2003 by four engineers from Skype, is a private investment firm based in Tallinn, Estonia. The company specializes in both direct investments and fund of fund investments, focusing on private equity and venture capital across various stages, including incubation, seed/startup, early venture, and growth capital. Ambient Sound Investments targets investments in technology-driven companies, particularly in the fields of information technology, software, web, social media, and research and development, primarily within the United States, Europe, and Asia, including Eastern Europe. The firm typically invests between €0.5 million and €2 million, preferring to maintain a minority stake of around 25 percent in its portfolio companies, although it may take a majority stake in incubators. Additionally, it aims to have a Partner or Advisor on the boards of its investments and is open to co-investments and public equity investments. After selling its shares in Skype to eBay in 2005, the firm has continued to operate as a private investment vehicle.

Priit Kasesalu

Partner

Past deals in Estonia

Ampler Bikes

Venture Round in 2021
Ampler Bikes OÜ, founded in 2014 and headquartered in Tallinn, Estonia, specializes in manufacturing and marketing lightweight electric bikes aimed at urban cyclists. The company offers several models, including the Curt, Stout, and Stellar, each available in different frame sizes. Emphasizing simplicity and functionality, Ampler Bikes designs its products without heavy batteries or bulky screens, focusing on a streamlined experience that enhances the joy of cycling. Additionally, the company operates a flagship store in Berlin, Germany, further solidifying its presence in the electric bike market.

Guardtime

Series A in 2010
Guardtime is a network security company based in Tallinn, Estonia, founded in 2007 by Mike Gault. It specializes in validating the integrity of data, networks, systems, and processes through its proprietary technology. The company develops a full-stack industrial blockchain platform that supports zero-trust enterprise applications. Its keyless signature infrastructure and KSIBlockchain ensure the integrity of systems and data at an industrial scale, allowing database owners to provide independent verification of database records and maintain backups with audit logs. Guardtime aims to form partnerships across various industries to enhance its product offerings and facilitate market entry.

Markit

Seed Round in 2006
Thousands of international companies across 6 continents are saving considerable amounts of time and money by sourcing and buying their IT hardware and accessories through Markit’s IT marketplace and procurement solution. Markit clients compare prices and delivery times in real time in our marketplace of over 5 million unique IT products. In 2022, they saved an average of 10.3% on average market prices and thousands of hours by using Markit to manage, centralise, and streamline their IT purchasing. Founded in Estonia in 2003, Markit is now working in 44 countries. In 2022, Markit’s revenue was 217.8M euros.

Evikon MCI

Venture Round in 2006
Evikon MCI designs, manufacturers and markets sensor-based electronic measurement instruments for industrial automation applications. The company located in Tartu, Estonia, operates on the instrumentation market since 1991 and aims to take a leading position in this sector in Baltic region.
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