| Company | Timeline | Status | |
| Fletcher Ralphs Ltd Director • Designer | 16 Sep 2024←1 Year 4 Months→Current | Active | |
| Jan Constantine (UK) Limited Director • Designer | 6 Jul 2010←15 Years→Current | Active | |
| Jan Constantine Limited Director • Unreported | 21 Jan 2004←22 Years→Current | Active | |
