Tesonet
Overview
Tesonet operates as a founders’ office that builds its own products and companies and provides capital and know-how to established businesses. As of November 2026 its website said it had created or invested in more than 50 ventures, with more than 4,200 people across its ecosystem; the companies it lists as founded include Nord SecurityNord SecurityNord Security is a cybersecurity company headquartered in Vilnius, Lithuania, and the maker of NordVPN. Co-founded by Tomas Okmanas, Eimantas Sabaliauskas and Jonas Karklys, it also makes NordPass, NordLocker, NordLayer and Saily; it merged with Surfshark under one holding company in 2022 and raised funding at a $3 billion valuation in 2023.Open the full entry, SurfsharkSurfsharkSurfshark is a cybersecurity company founded in Lithuania in 2018 and headquartered in the Netherlands. Founded by Vytautas Kaziukonis, it makes products including Surfshark VPN, Antivirus, Alert and the data removal service Incogni; in 2022 it merged with Nord Security under one holding company, and the two operate independently.Open the full entry, Mediatech, the AI orchestration platform Nexos.ai and the customer care company CyberCare.[1]
Contents7 sections
Key facts
1999The Founders Meet in a Chat Room
Eimantas Sabaliauskas and Tomas OkmanasTomas OkmanasTomas Okmanas, also known as Tom Okman, is an entrepreneur and investor who co-founded the venture builder Tesonet with Eimantas Sabaliauskas and co-founded Nord Security, the developer of NordVPN.Open the full entry met in an IRC chat room in 1999 and later decided to start businesses together. They went through 34 failed projects, from e-commerce to video games.[2]
2012A First Success Lays the Foundation
In 2012 one of the founders’ ideas took off and became the foundation of the venture builder that Tesonet is today.[2]
January 2022Surfshark Discloses Its Incubation Ties
Surfshark’s founder, Vytautas KaziukonisVytautas KaziukonisVytautas Kaziukonis is the founder of the cybersecurity company Surfshark. He served as its chief executive from 2018 and became chairman of the board in March 2026, focusing on the company’s long-term vision.Open the full entry, said in an interview with Lithuanian media that Surfshark and Nord Security had both started under Tesonet. A Surfshark statement described Tesonet as an IT business accelerator and incubator in Lithuania supporting companies including Hostinger, Nord Security and Zyro; Surfshark had been part of the Tesonet Group for its first two years, receiving help with hiring and office rentals, before becoming a completely separate company. Tesonet had also helped ProtonVPNProton VPNProton VPN is a virtual private network (VPN) service launched in 2017 by the Swiss company Proton AG; it offers free and paid plans, its apps on all platforms are open source, and it undergoes regular independent no-logs audits.Open the full entry open an office in Vilnius.[3]
July 14, 2026Oxylabs Becomes the Ecosystem’s Second Bootstrapped Unicorn
Oxylabs, a web data platform founded within the Tesonet ecosystem in 2015, received a $130 million strategic investment from Warburg Pincus at a $3.6 billion valuation. It was the company’s first outside funding and made it the second bootstrapped unicorn in the Tesonet ecosystem after Nord Security. “Unicorn No. 2 and counting,” said Tesonet co-founder Tomas Okmanas.[4]
Related Organizations, Websites, and Public Accounts
Tesonet: Website: https://tesonet.com/ (opens in a new window); Nord Security: Website: https://nordsecurity.com/ (opens in a new window); Surfshark: Website: https://surfshark.com/ (opens in a new window)[1]