Top Tech Startups in Sofia, Bulgaria in 2026

an online platform that utilizes the power of the community to make team sports (currently soccer) accessible and enjoyable for our users.

CityZeen aims to transform the situation for over 1 billion individuals globally who lack access to secure, high-quality housing, as well as the millions more who lose out on valuable investment opportunities. With CityZeen, you're not just growing your wealth—you’re part of a movement to make sustainable living accessible for everyone.

The Energy Year offers first-hand business intelligence on the key trends that are shaping businesses and opportunities in emerging energy markets worldwide. Its teams meet energy leaders face-to-face and report on what is being done on the ground, beyond political discourse and wishful thinking. They showcase the work undertaken, challenges encountered and milestones achieved by the industry’s top movers and shakers, from exploration and production to services and supplies, logistics and construction, power generation, downstream and capital markets. From the Middle East to Africa and the Americas, The Energy Year’s annual reports are known as a primary source of information for energy investors and are used by public and private sector actors to identify new investment opportunities and establish long-lasting collaborations.

Narrowing down on several products in the space of customized health, LLM enabled reenvisioning of old core technology, and a few other goofy things. Operating on a thesis of building things fully global and "AI first", keeping ourselves leaner and high performance than anything available to a pre 2024 companies.

RAS Institute is an EU research, analysis and strategy consultancy specialising in policy research, virtual innovation and cybersecurity advisory. We hold three active contracts with ENISA — the EU Agency for Cybersecurity — giving us rare institutional credibility in a market where trust is everything. We are now building a private cybersecurity advisory practice focused on NIS2 compliance: audits, gap analysis and readiness assessments for businesses navigating Europe's toughest new regulatory requirement. We work at the intersection of policy expertise and practical cybersecurity — translating complex regulatory obligations into actionable programmes for clients in energy, healthcare, finance, transport and digital infrastructure. If you want to work on meaningful problems, in a credible and growing practice, with real institutional backing and the freedom to shape what comes next — RAS Institute is where that happens.