| Company | Timeline | Status | |
| Cornerstone Grgeot Limited Director • Director  | 12 Feb 2024←1 Year 8 Months→Current  | Active  | |
| Cornerstone Security Consultants Ltd Director • Director  | 7 Dec 2020←4 Years→Current  | Active  | |
| Cornerstone Security Consulting Limited Director • Director  | 7 Dec 2020←4 Years→Current  | Active  | |
| Cornerstone Cyber & Risk Consulting Limited Director • Director  | 6 Nov 2020←4 Years→Current  | Active  | |
| Cornerstone Global Risk Group Limited Director • Director  | 5 Nov 2020←5 Years→Current  | Active  | |
| Gorsewood Consultancy Services Ltd Director • Director  | 19 Dec 2013←7 Years→16 Mar 2021  | Dissolved  | |
| Cornerstone GRG Limited Director • Director  | 1 Apr 2008←17 Years→Current  | Active  | |
