National and International Cooperations and Memberships
"The law firm Kosmidis & Partner is a partner firm of numerous lawyer associations, cooperation communities, associations, etc., and maintains its own interdisciplinary cooperation network named KPAG Business consulting network."
- DAV – German Bar Association
- DAV Greece – German Bar Association in Greece
- CBBL International Association of German-Speaking Law Firms Operating Across Borders
- AHK Greece – German-Hellenic Chamber of Industry and Commerce
- Advounion – Supra-regional Association of Corresponding Lawyers (Registered Association)
- DGJV – German-Hellenic Jurists' Association (Registered Association)
- DASV – German Lawyers' and Tax Advisors' Association for Medium-Sized Businesses (Registered Association)
- Foreign Lawyers' Association Germany (Registered Association)
- Stuttgart Bar Association (Mr. Kosmidis, Attorney-at-Law)
- Hamm Bar Association (Ms. Papadopoulou, Attorney-at-Law)
- Celle Bar Association (Mr. Kapsalis, Attorney-at-Law)
- Thessaloniki Bar Association