| Company | Timeline | Status | |
| Mablacok Ltd Director • Business Person | 9 Dec 2024←10 Months→Current | Active | |
| MB Electrical Ev Limited Director • Electrician | 30 Apr 2024←1 Year 6 Months→Current | Active | |
| Home Automation Wiring Ltd Director • Electrician/designer | 11 Feb 2013←11 Years→8 Aug 2024 | Dissolved | |
| Mark Black Electrical Contractor Limited Director • Electrician | 10 Mar 2009←5 Years→25 Mar 2014 | Dissolved | |
