| Company | Timeline | Status | |
| Ayer Associates Limited Director • Director | 9 Nov 2015←9 Years→Current | Active | |
| Ayer Group Limited Director • Chartered Surveyor | 28 May 2015←10 Years→Current | Active | |
| Ayer Prime Limited Director • Chartered Surveyor | 20 Jan 2015←10 Years→Current | Active | |
