Ambient Sound Investments (ASI) was established in 2003 as an equal partnership by four founding engineers at Skype to hold a minority stake in Skype. At the end of 2005 ASI sold its Skype shares to eBay and now operates as a private investment vehicle. Ambient Sound Investments' team consists of 15 people managing € 100 million of assets. ASI's portfolio consists of 30 companies which are located in Europe, US and Asia.

ASI as an investor has interest in technology start-ups with focus on B2C software, web and mobile applications, and social media. ASI is funding early stage companies which are typically looking to raise Seed or A-round investments. Besides financing ASI wants to share its experience in software engineering and business development and contribute actively into growth of portfolio companies.