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Tesonet is a Lithuanian startup venture builder and investor founded in 2008 by Tomas Okmanas and Eimantas Sabaliauskas.[1] The company’s main focuses today are cybersecurity, AI, EdTech, SportTech, and digital solutions.[2] Businesses kick-started or accelerated by Tesonet include Nord Security, Hostinger, Oxylabs, Surfshark, Decodo, Mediatech, and nexos.ai.[3] The number of people employed across the group exceeds 3,500. Structurally, Tesonet rests on 3 pillars: founded companies, investments, and limited partnerships with venture capital firms.

Since 2018, Tesonet has extended its reach by investing in successful ventures like CAST AI, Eneba, BC Žalgiris, BC London Lions, Šiaulių bankas, Turing College, Zapp, PartiQlar, and others.[4][5][6][7][8]

History

[edit]

Having originally met in an IRC channel in 1999, Tomas Okmanas and Eimantas Sabaliauskas founded Tesonet in 2008 for a single project.[9][10] In the end, however, it took 34 different projects and ideas – from web hosting and e-commerce to video games – to hit upon a viable business model.[11]

NordVPN, the company’s first successful global product, was established in 2012, with a native Windows app coming out in September 2013.[12]

In 2020, Verslo Žinios – the leading business media outlet in Lithuania – gave Okmanas the CEO of the Year award for his achievements as head of Nord Security, one of Tesonet’s largest companies.[13]

In 2021, Tesonet’s customer service department, CyberCare, became a separate company, while remaining a part of the accelerator’s ecosystem. The move was made to ensure better support for Tesonet’s growing number of customers around the world. CyberCare provides multi-lingual services to people from 170 countries and resolves over 11 million enquiries per year.[14][15] As of 2025, its team consists of more than 400 employees.[16]

In 2022, after raising $100mln. from investors, Nord Security became Lithuania’s second unicorn, with a valuation of 1.6 billion US dollars.[17] Speaking with CNBC News, Okmanas said it was the first time the company has taken external funding. Tesonet also partnered with BC Kauno Žalgiris and launched the sports and tech startup Žalgiris Ventures intended to promote innovation and expand the club’s range of fan services.[18][19]

In 2024, the company also tripled its investment in the biotechnology startup MISHKAY Biotech and acquired the professional basketball team London Lions based in Stratford, East London.[20][21]

Local & global presence

[edit]

In 2023, Okmanas took 965th place in Crunchbase’s global startup founder rankings and took part in the World Economic Forum at Davos.[22][23]

In 2024, both co-founders, Okmanas and Sabaliauskas, were named National Patrons by the Lithuanian Government for donating over 1 million euros to the public enterprise Mėlyna ir Geltona, founded as a means of providing support to Ukraine.[24] The Lithuanian Reputation Index also found Tesonet to be the second most-reputable company in the country.[25]

Portfolio

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Founded Companies

[edit]

Nord Security

[edit]

Founded in 2012 by Okmanas, Sabaliauskas and their childhood friends, Nord Security launched its first product – NordVPN – in 2013. This was followed by a suite of other products in later years: NordPass, NordLocker, and NordLayer in 2019, NordLynx in 2020, NordStellar in 2021, NordProtect in 2024, and others.[26][27][28][29][30][31] In 2022, Nord Security merged with Surfshark, and became Lithuania’s second unicorn, with a valuation of 1.6 billion US dollars.[32][33]

SurfShark

[edit]

Established in 2018 as a VPN, Surfshark offers a range of cybersecurity tools: a VPN, a data leak detection system called Surfshark Alert, a private search tool known as Surfshark Search, and an antivirus named Surfshark Antivirus.[34][35][36] Following a merger with Nord Security in 2022, it became Lithuania’s second unicorn, with a valuation of 1.6 billion US dollars.[37][38]

Oxylabs

[edit]

A web data gathering and public web data scraping company, Oxylabs was founded in 2015. The company boasts the world’s largest ethically obtained pool of residential proxies, providing over 102 million IPs globally.[39][40] During the global pandemic, Oxylabs partnered with researchers from Stanford University, Virginia Tech, University of Virginia, and others to track the spread of COVID-19.[41] In 2022, the company won the Baltic Sustainability Award for its pro bono project with the Communications Regulatory Authority of the Republic of Lithuania to detect illegal online content with an AI-powered web scraper.[42] In 2024, Oxylabs partnered with Bellingcat, a nonprofit investigative collective of researchers and citizen journalists, granting it free access to its expertise, proxy network, and Web Unblockers – an advanced solution to gathering public data from websites.[43]

Mediatech

[edit]

Founded in 2019, Mediatech aims to provide reliable, science-based information via such media channels as Cybernews and Healthnews. As of 2024, it owned a total of 8 media projects, employing 250 people and collaborating with around 200 freelance writers. The company relies on its strong investigative teams, whose studies on global-level cybersecurity and personal data breaches, as well as health-related and other topics are regularly cited by such outlets as Forbes, The Washington Post, BBC, CNBC, and New York Post. Mediatech is also developing a number of online safety tools like Data Leak Checker and Ransomlooker.[44][45][46][47][48]

nexos.ai

[edit]

Founded in 2024 by Okmanas and Sabaliauskas, nexos.ai is developing an AI orchestration platform for enterprises, aiming to help them efficiently deploy, manage, and scale AI models through a single interface. In 2025, the company raised $8 million in funding.[49]

Investments

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Hostinger

[edit]

Hostinger is a web hosting company founded in Lithuania in 2004 as Hosting Media. Its services are divided into five categories: shared hosting, cloud hosting, VPS hosting, managed WordPress hosting, and email hosting. As of 2024, the company had over 3 million clients, 900 employees, and 11 data centres in Asia, Europe, and North and South America, managing around 5 million domains.[50]

BC Žalgiris

[edit]

In 2022, Tesonet acquired a 25% stake Kaunas basketball team Žalgiris, with the company’s representative, Jonas Karklys, joining its management board.[51] Tesonet’s aim was to focus the club more on expanding its commercial offerings and developing sportstech innovations to further improve fan experiences.[52] Okmanas also said Tesonet will be helping Žalgiris generate new revenue sources to make the club stronger in the future. 

Artea

[edit]

Artea, formerly known as Šiaulių Bankas, is one Lithuania’s major banking establishments.[53] In 2021, Tesonet, Invalda INVL and ME Investicija signed an agreement with the European Bank for Reconstruction and Development to acquire 18% of Artea’s shares. According to Okmanas, Tesonet’s objective will be to assist the bank with fintech innovation and rolling out “smart and secure digital services and products”.[54] The acquisition process was completed in 2024, following a series of individual transactions. Tesonet now owns 5.32% of the shares of Artea.

Turing College

[edit]

Founded in 2020 after raising €1.2 million,[55] Tesonet being among the investors, Turing College is an online coding and tech school, aimed primarily at busy professionals seeking to gain new skills or to switch careers. It is the first accredited virtual college in the Baltics and the first Lithuanian startup to participate in the accelerator Y Combinator in Silicon Valley.[56][57] Tesonet was one of the company’s initial investors.

Eneba

[edit]

In 2018, Tesonet acquired Helis Play, a software company founded by two college friends, Vytis Uogintas and Žygimantas Mikšta.[58] That year, they launched Eneba – a video game and digital entertainment marketplace. Rapid growth during the pandemic lockdowns helped the company raise $8 million from Practica Capital and InReach Ventures in 2020.[59] In 2013, it sold its products to over 15 million users, with 80% of the sales coming from repeat customers.[60]

Cast AI

[edit]

The Kubernetes automation platform Cast AI was founded in 2019 by Yuri Frayman, Leon Kuperman, and Laurent Gil. In 2020, the company closed a seed round with $7.7 million from TA Ventures, DNX, Florida Founders, and other angel investors.[61] In 2021, Cast AI joined the Tesonet accelerator. According to Sabaliauskas, Tesonet saw “CAST AI as a vigorous and promising company”, which motivated it to “contribute not only by investing in it but also by sharing our experience”.[62]

MISHKAY Biotech

[edit]

Tesonet invested in MISHKAY in July, 2020, enabling the business to be launched next year.[63] MISHKAY is a zero-waste startup producing functional foods and supplements from medicinal and edible mushrooms grown on its own farm. According to Sabaliauskas, the reason for Tesonet tripling its investment in 2024 was that MISHKAY “exceeded all forecasts despite growing sustainably” and was no longer able to meet demand.[64] The startup works with pharmacies and universities, and plans to soon introduce new products for skin health and cholesterol control.[65]

Cyber City

[edit]

Tesonet is the biggest investor in, and tenant of, Cyber City – a tech business hub located within the 35,000 m2 territory of a decommissioned factory in Naujamiestis, Vilnius, Lithuania. Construction began in late 2020 and was completed in 2023.[66][67] The hub consists of 4 Class A+ buildings that feature meeting rooms, co-working spaces, offices, commercial premises, recreational zones, gym and fitness areas. Its current occupancy exceeds 3,300 people.[68]

Decodo

[edit]

Decodo, a proxy provider since 2018, offers residential, data center, and mobile proxies with 65M+ IPs in 195 locations.[69] Serving 50,000+ users, it introduced Pay As You Go pricing in 2022 and launched Residential Proxies in 2023.[70][71][72]

Limited partnerships in VC funds

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Tesonet is also active in the European VC scene. As a Limited Partner, it participates in a number of VC funds, including Practica Capital, Firstpick, and others.[73]

Social Responsibility

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In 2020, Okmanas rallied the country’s tech companies to join Tesonet in supporting Santaros Clinic’s efforts to procure the equipment necessary for combatting COVID-19.[74] The initiative yielded over 200,000 euros. In the same year, Tesonet also signed a cooperation agreement with Kaunas University of Technology for the purpose of helping it train IT and IT engineering students by, among other things, providing them with internships in the field of cybersecurity.[75] In 2021, Tesonet joined multiple other Lithuanian startups in establishing the association Unicorns Lithuania.[76] Its mission includes promoting local startups, making Lithuania the best place in the world for building unicorns, and transforming its high added value sector into Lithuania’s No.1 economic engine by 2030.[77]

In 2022, CyberCare opened an office in Lviv, Ukraine. Although planning for the move started before the war, according to Dainius Vanagas, CEO of CyberCare, one of the reasons why it was followed through was a desire to help Ukraine rebuild.[78]

During the fundraising event Radarom in 2023, intended to support Ukraine’s arming efforts, Tesonet pledged to double the donated sum. In the end, the company’s contribution amounted to 1 million euros.[79]

In 2025, Tesonet received the Šv. Kristoforo award for its efforts at promoting responsible business practices in Vilnius, Lithuania.[80]

References

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