| Company | Timeline | Status | |
| Quarto Publishing Plc Director • Director | 14 Jul 2023←2 Years 3 Months→Current | Active | |
| Quarto Publishing Plc Director • Director | 14 Jul 2023←1 Year 5 Months→31 Dec 2024 | Active | |
| Quarto Group Inc(The) Director • Chief Executive Officer | 1 Jun 2022←1 Year 7 Months→24 Jan 2024 | Converted/Closed | |
| Summersdale Publishers Limited Director • Chief Executive | 5 Oct 2020←2 Months→31 Dec 2020 | Active | |
| Short Books Limited Director • Chief Executive | 31 May 2019←1 Year 4 Months→5 Oct 2020 | Dissolved | |
| Summersdale Publishers Limited Director • Chief Executive | 1 Nov 2017←2 Years 11 Months→5 Oct 2020 | Active | |
| Kyle Books Limited Director • Chief Executive | 3 Oct 2017←3 Years→5 Oct 2020 | Dissolved | |
| Kyle Cathie Limited Director • Chief Executive | 3 Oct 2017←3 Years→5 Oct 2020 | Dissolved | |
| London Property Guide Limited Director • Chief Executive Officer | 6 Jul 2005←15 Years→5 Oct 2020 | Dissolved | |
| Digital Property Guides Limited Director • Chief Executive Officer | 6 Jul 2005←15 Years→5 Oct 2020 | Dissolved | |
