| Company | Timeline | Status | |
| Haines Ip Limited Director • Patent Attorney | 21 Mar 2013←12 Years→Current | Active | |
| D Young & Co International Limited Director • Patent Attorney | 31 Oct 2012←5 Months→31 Mar 2013 | Active | |
D Young & Co Services Limited Director • Chartered Patent Attorney | 16 Mar 2010←2 Years 11 Months→18 Feb 2013 | Dissolved | |
| D Young & Co LLP Non-designated LLP Member • Unreported | 8 Feb 2010←3 Years→31 Mar 2013 | Active | |
