| Company | Timeline | Status | |
| Caldwell Consulting Southeast Ltd Director • Director | 1 Jul 2025←4 Months→Current | Active | |
| Pine Avenue Company Limited Director • Director | 29 Sep 2020←5 Years→Current | Active | |
| Sync Technology Ltd Director • Director | 5 May 2016←9 Years→Current | Active | |
| Building Performance Prediction Ltd Director • Director | 27 Apr 2016←9 Years→Current | Active | |
| Caldwell Consulting North West Limited Director • Director | 25 Apr 2016←9 Years→Current | Active | |
| Vercon Engineering Limited Director • Director | 25 Apr 2016←9 Years→Current | Active | |
| Caldwell Consulting Group Ltd Director • Director | 13 Apr 2016←9 Years→Current | Active | |
| Light 360 Ltd Director • Director | 1 May 2015←10 Years→Current | Active | |
| CCM Commissioning Specialists Ltd Director • Director | 27 Apr 2015←10 Years→Current | Active | |
| Caldwell Consulting Engineers Limited Director • Engineer | 29 Mar 2004←21 Years→Current | Active | |
