Legal Services in Thessaloniki for Clients from Bulgaria, Serbia, North Macedonia & Ukraine

Cross‑border legal and mediation expertise for individuals, families, and businesses.

Who We Are

Optima Justitia – Grigorios I. Giannoulis & Associates is a reputable law firm based in Thessaloniki, Greece, serving clients from Bulgaria, Serbia, North Macedonia, and Ukraine with personalized, high‑quality legal and mediation services.

Why Choose Us

Our Services

Civil & Family Law

Handling inheritance, divorce, custody, and property disputes with sensitivity and precision.

Commercial & Corporate Law

Advising on contracts, company formation, cross‑border investments, mergers, and dispute resolution.

Labor Law & Debt Settlement

Representing clients in employment conflicts and guiding them through Greece’s extrajudicial debt resolution mechanism.

Criminal & Traffic Law

Dedicated defense in criminal matters and traffic-related cases.

Religious Freedom & Ecclesiastical Law

Specialized knowledge in church‑state relations and religious rights backed by academic insight.

Alternative Dispute Resolution (ADR)

Secure, confidential mediation handled in‑house—efficient and tailored to your needs.

Who We Serve

Contact Us Today

We welcome inquiries via remote or in-person consultations from our Thessaloniki office.

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Trusted Legal Expertise in Thessaloniki – Bridging Greece and its Neighbors


Welcome to Optima Justitia – Grigorios I. Giannoulis & Associates, based in Thessaloniki, Greece—a dynamic legal firm offering expert support to individuals and businesses from Bulgaria, Serbia, North Macedonia, and Ukraine. Servicing clients across borders with integrity, clarity, and a deep understanding of regional legal needs.

Our wide-ranging services include:

  • Civil, Commercial & Family Law: Expertise in property matters, lease agreements, inheritance, commercial dispute resolution, and family law.

  • Labor & Insolvency Law: Skilled handling of labor disputes and out-of-court debt settlement procedures, including Greece’s extrajudicial debt resolution mechanism.

  • Criminal Law & Traffic Incidents: Effective defense in criminal and traffic-related proceedings.

  • Religious Freedom & Ecclesiastical Law: Exceptional legal counsel grounded in academic excellence and dedicated research in matters of religious and community rights.

  • Alternative Dispute Resolution (ADR): In‑house mediation center offering confidential, cost‑effective resolution facilitated by internationally certified mediators.

  • Specialized Legal Domains: Coverage of intellectual property, tax matters, and complex cross-border issues.

Why choose us?

  • Strategically Located: Operating from Thessaloniki—a gateway to the Balkans—ideal for regional coordination.

  • Culturally Attuned & Multilingual Expertise: Deep familiarity with the legal systems and business cultures of neighboring countries, plus service in English and Greek.

  • Academic Rigor & Professional Integrity: Led by a highly credentialed lawyer (LL.M., PhD candidate, published scholar), committed to transparency, ethical practice, and personalized guidance.

  • Efficient, Client-Centered Approach: Combining modern dispute resolution with hands-on legal support, minimizing both time and costs for clients abroad.

Whether you're navigating commercial investments, inheritance matters, family issues, or judicial procedures in Greece, we provide seamless legal assistance with experience, discretion, and a client-first approach.

Contact us today to arrange a consultation from our Thessaloniki office—we are honored to assist.