Top Tech Startups in Athens, Greece in 2027

Cyberscope helps Web3 teams identify and fix the security issues that slow launches, complicate upgrades, delay listings, and create friction with users, partners, investors, and exchanges. We provide smart contract audits, penetration testing, formal review, and broader security assurance for DeFi protocols, blockchain infrastructure, and high-stakes Web3 products. Our work is built for teams operating under real pressure. That includes founders dealing with repeated security questions, engineering teams managing upgrade risk, infrastructure teams carrying downstream blast radius, and companies preparing for due diligence or external scrutiny. Cyberscope helps teams reduce exploit risk, strengthen trust, and move forward with more confidence. Beyond finding vulnerabilities, we help teams improve readiness. That means clearer risk ownership, stronger security posture, and better preparation for audits, reviews, partnerships, and growth. Cyberscope’s positioning is strongest around DeFi and enterprise-grade work, where technical depth, relevance, and credibility matter most.

Early-stage startup.

**Aktor AI** ([aktor.ai](aktor.ai)) is the technology arm of Aktor Group (AKTR in** Athens Stock Exchange**), a leading player in Greece’s infrastructure sector with **6100 employees**, delivering high-end services across Construction, Real Estate, Renewables, Facility Management, and Equity Participations. At Aktor AI, we are building the **next generation of enterprise AI**. We deploy fully-managed AI employees that self-train on organisational processes and reach 95%+ accuracy within days. Our agents handle finance operations, contract management, support workflows, and more, with built-in supervision that audits decisions, escalates uncertainty, and learns continuously. We don’t sell software licences. We deliver outcomes.

Paycre structures secure, compliant, and enforceable transactions using digital assets. Built on nearly 30 years of combined experience across financial markets, banking, real estate, and digital asset infrastructure, Paycre operates where technology, law, and capital intersect. We work alongside buyers, sellers, agents, notaries, and legal professionals to coordinate transactions with clarity, discretion, and accountability—aligning modern settlement methods with established legal and financial frameworks. Our Mission Bridging digital assets with real-world legal execution Paycre enables crypto-backed transactions that stand up to regulatory, legal, and operational scrutiny. We treat crypto as a settlement rail, not a shortcut, focusing on compliance-first design, clear documentation, structured settlements, and cross-border risk mitigation. Paycre exists to reduce uncertainty, protect all parties, and make digital asset transactions usable in the real world.