Sofia Chatzigiannidou, head of Public Procurement and Concessions, Nikos Koukos and Dimitris Machaliotis, senior associates, contributed to the Lexology Panoramic Defence & Security Procurement guide 2026, providing in-depth analysis of the local legal and regulatory landscape.The guide offers a cross-border comparison of national approaches, addressing legal frameworks, dispute resolution and risk allocation. It also explores defence procurement fundamentals (including mandatory clauses, IP ownership and supply chain management issues), as well as trade rules, ethics and anti-corruption obligations, aviation sector considerations, and employment, personal information, licensing and environmental matters.Read the full Greek chapter here. ...

2026 marks a pivotal year for digital tax compliance in Greece, with significant developments in e-invoicing and e-delivery documentation. At this week’s Tax Breakfast, held at our offices, we explored how the compliance framework is evolving within the myDATA environment and where businesses should focus now. Georgia Voutsa, partner, Konstantinos Gialamas, director, and Panagiotis Lysigakis, manager, shared practical guidance on e-invoicing obligations effective from 2026, the current framework for the second implementation phase of e-delivery documents, the consequences of non-compliance in digital issuance and reporting, practical aspects on pre-population of tax returns through myDATA, and myDATA as a tax audit tool. ...

Cybersecurity and digital regulation continue to accelerate across Greece and the EU, reshaping expectations on governance, resilience, and accountability. This bulletin outlines the latest developments and their potential implications for businesses operating in Greece.Greece adopts National Cybersecurity Strategy 2026 – 2030Greece has approved its National Cybersecurity Strategy for 2026–2030 (available here), establishing a framework to strengthen national cyber resilience and coordination. The Strategy is structured around five pillars, resilient critical services, modern governance, skills development, European and international cooperation, and practical solutions, and aims to build a secure and trustworthy digital society for citizens, government, and businesses. Implementation is g...

Zepos & Yannopoulos is recognised in the Chambers Global Guide 2026, where the firm is ranked in Corporate/Commercial, Banking & Finance, and Dispute Resolution. These rankings underscore the firm’s strength across transactional, financing, and contentious mandates. From complex cross-border M&A to sophisticated financing structures and high-stakes disputes, our teams advise on matters that shape markets and define outcomes.The Guide also recognises the individuals leading this work, including Stefanos Charaktiniotis, head of M&A, Asc. Professor Dimitris Babiniotis, head of Litigation & Arbitration, Paris Tzoumas, head of Finance, and Vivian Efthymiou, senior associate. ...