CDN77, a privately owned company headquartered in the UK, was founded in 2011 and employs approximately 60 individuals. The company specializes in computer and network security, providing content delivery network (CDN) solutions that facilitate optimal online experiences for websites and applications. Its client portfolio includes live and on-demand video platforms, security companies, and space agencies.
On January 16, 2026, technology developed by a team of approximately 190 people, primarily operating from Vinohrady and led by Zdeněk Cendra, was reported to be integral to global platforms, powering major streaming services like TikTok and facilitating the delivery of Champions League football. Earlier, on October 12, 2025, the company shared its preliminary research into optimizing dynamic content delivery using the modern QUIC protocol, a technique utilized by content delivery networks to efficiently deliver content regardless of network conditions, user location, or end-user device.
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