| Company | Timeline | Status | |
| Christos Lazari Foundation Director • Solicitor | 14 Jun 2022←3 Years→Current | Active | |
| The Xenophon Protopapas Foundation Director • Solicitor | 8 Dec 2021←3 Years→Current | Active | |
| Protopapas LLP Designated LLP Member • Unreported | 24 Aug 2006←19 Years→Current | Active | |
| Arnos Grove Developments Limited Director • Solicitor | 10 Mar 2004←21 Years→Current | Active | |
| Hammerway Limited Director • Solicitor | 29 Oct 2002←23 Years→Current | Active | |
| The Hellenic Educational Establishment Director • Solicitor | 20 Nov 1995←10 Years→20 Jul 2006 | Active | |
| The Hellenic Educational Establishment Secretary • Solicitor | 20 Nov 1995←10 Years→20 Jul 2006 | Active | |
