| Company | Timeline | Status | |
| JMG Solutions (Scotland) Limited Director • Director | 12 Apr 2021←2 Years 6 Months→1 Nov 2023 | Active | |
| I And J Properties (Residential) Limited Director • Director | 20 Jan 2016←9 Years→Current | Active | |
| McKenna Group (Holdings) Limited Director • Director | 17 Dec 2015←9 Years→Current | Active | |
| McKenna Group Facilities Management Limited Director • Director | 5 Jun 2014←10 Years→15 Feb 2025 | Dissolved | |
| I And J Properties Scotland Limited Director • Director | 16 Dec 2013←10 Years→16 Apr 2024 | Dissolved | |
| McKenna Services (Scotland) Limited Director • None | 13 Apr 2012←13 Years→Current | Active | |
| McKenna Mechanical Services Limited Director • None | 15 Dec 2010←10 Years→22 Jun 2021 | Dissolved | |
| I S McKenna Electrical Contractors Limited Director • Electrician | 25 Aug 2009←16 Years→Current | Liquidation | |
| Tic (Angus) Limited Director • Electrician | 19 May 2004←16 Years→22 Dec 2020 | Dissolved | |
| I S McKenna Properties Limited Director • Electrical Contractor | 27 Sep 2003←17 Years→29 Dec 2020 | Dissolved | |
