| 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←4 Years→Current | Active | |
| Gorsewood Consultancy Services Ltd Director • Director | 19 Dec 2013←7 Years→16 Mar 2021 | Dissolved | |
| Cornerstone GRG Limited Director • Director | 29 Jan 2007←18 Years→Current | Active | |
