The compliance landscape for Greek and EU businesses has expanded sharply in the last few years, and it keeps expanding. The Hellenic Data Protection Authority (HDPA/ΑΠΔΠΧ) has moved from occasional guidance to active enforcement, issuing substantial fines against companies that treated GDPR as a policy document rather than an operating discipline. The EU AI Act's phased obligations are now starting to bite for businesses that deploy or provide AI systems, with prohibited-practice rules already in force and higher-risk obligations following on a fixed timetable. NIS2 has significantly widened which companies count as "essential" or "important" entities with binding cybersecurity obligations — well beyond the utilities and telecoms operators the old NIS Directive targeted. And the Digital Services Act now imposes real, enforceable obligations on online platforms and marketplaces, not just the largest ones. A regulatory compliance lawyer in Greece maps obligations to activities, since most regimes bite on what you do rather than where you are.
The businesses that get caught out are rarely the ones that ignored compliance entirely. More often, they treated it as a one-off exercise — a policy pack purchased once, a data protection notice drafted three years ago and never revisited, a cookie banner installed and forgotten. Regulation of this kind does not stay still: the AI Act's obligations phase in over time, NIS2 supervisory guidance is still being refined by national authorities, and the DSA's transparency and risk-assessment duties are interpreted and enforced progressively. Compliance that was correct in 2023 can be materially incomplete by 2026.
"The fines are not theoretical anymore. The HDPA and its counterpart authorities across the EU are actively enforcing — and 'we didn't know the rules had changed' has never been a defence." A regulatory compliance lawyer in Greece should tell you which regimes do not apply, which narrows the work considerably.
Sector matters too. Financial services, healthcare, telecoms, energy and other regulated industries operating in Greece carry licensing and sector-specific compliance obligations layered on top of the horizontal regulation above — and those sector regimes are themselves being updated to align with NIS2 and the AI Act. We advise across this full stack: general EU regulation, sector licensing, and the corporate governance structures — policies, training, reporting lines, documented decision-making — that make compliance defensible if a regulator ever asks to see it. Describe the business and we will identify what actually applies.
Who this affects
Who needs this
Any business processing personal data, deploying AI systems, operating digital infrastructure, or running an online platform or marketplace in the EU is now in scope of at least one of GDPR, the AI Act, NIS2 or the DSA — often more than one.
Enforcement reality
Fines are not theoretical
The HDPA and sister authorities across the EU are issuing real fines against real businesses, including SMEs. Regulatory risk is no longer a remote contingency to footnote in a board pack.
Programme, not project
Compliance is not one-off
A policy drafted once and filed away does not stay compliant as obligations phase in and enforcement guidance develops. We build compliance as a maintained programme, not a closed project.
Multi-jurisdiction exposure
Cross-border regulatory complexity
Businesses operating across several EU member states face overlapping supervisory authorities and national transposition differences. Dual qualification and in-house experience across 8 jurisdictions inform how we navigate this.