![Mark Jonathan Silver](data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" fill="%231b1b1b" class="bi bi-person-fill" viewBox="0 0 16 16"><path d="M3 14s-1 0-1-1 1-4 6-4 6 3 6 4-1 1-1 1zm5-6a3 3 0 1 0 0-6 3 3 0 0 0 0 6"/></svg>)
Mark Jonathan Silver was the founder and had founded Environmental Scientifics Group Holdings Ltd. in 2005, where he held the title of Chief Executive Officer.
He is currently a Director at HSL Compliance Group Ltd. where he started in 2019.
He was also a Finance Director at Pearson Plc and Bsi, where he held the title of Finance Director from 1998 to 2000.
| Sociétés | Poste | Début |
|---|---|---|
HSL Compliance Group Ltd.
 HSL Compliance Group Ltd. Miscellaneous Commercial ServicesCommercial Services Provides water quality monitoring, hygiene and water treatment remedial & fire safety consulting services | Directeur/Membre du Conseil | 28/03/2019 |
| Sociétés | Poste | Fin |
|---|---|---|
Bsi
 Bsi Packaged SoftwareTechnology Services Develops pharmacy management solutions | Directeur Financier/CFO | 01/01/2000 |
| NTT COM SECURITY AG | Directeur Général | - |
VPS Holdings Ltd.
 VPS Holdings Ltd. Miscellaneous Commercial ServicesCommercial Services Provides vacant, occupied and property security solutions for remote sites & infrastructure projects | Directeur Général | - |
Inspicio Holdings Ltd.
 Inspicio Holdings Ltd. Miscellaneous Commercial ServicesCommercial Services Provides inspection and testing services | Directeur Général | - |
| PEARSON PLC | Directeur Financier/CFO | - |
Actives
Inactives
Sociétés cotées
Entreprise privées
| Entreprise privées | 7 |
|---|---|
Pearson Plc
 Pearson Plc Publishing: Books/MagazinesConsumer Services Provides education and publishing services | Consumer Services |
Environmental Scientifics Group Holdings Ltd.
 Environmental Scientifics Group Holdings Ltd. Miscellaneous Commercial ServicesCommercial Services Provides inspection and testing services | Commercial Services |
NTT Com Security AG
 NTT Com Security AG Miscellaneous Commercial ServicesCommercial Services Provides information security and risk management services | Commercial Services |
Bsi
Bsi Packaged SoftwareTechnology Services Develops pharmacy management solutions | Technology Services |
VPS Holdings Ltd.
VPS Holdings Ltd. Miscellaneous Commercial ServicesCommercial Services Provides vacant, occupied and property security solutions for remote sites & infrastructure projects | Commercial Services |
Inspicio Holdings Ltd.
Inspicio Holdings Ltd. Miscellaneous Commercial ServicesCommercial Services Provides inspection and testing services | Commercial Services |
HSL Compliance Group Ltd.
HSL Compliance Group Ltd. Miscellaneous Commercial ServicesCommercial Services Provides water quality monitoring, hygiene and water treatment remedial & fire safety consulting services | Commercial Services |
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