| Company | Timeline | Status | |
| Higgins Winstanley Family Limited Director • Director | 11 Aug 2025←4 Months→Current | Active | |
| Parliament Court Residents Company Limited Director • Copywriter | 5 Oct 2022←7 Months→25 May 2023 | Active | |
| Higgins Winstanley Limited Director • Writer | 19 Jan 2015←10 Years→Current | Active | |
Sean Winstanley & Co. Limited Director • Copywriting | 19 Dec 2014←1 Year 5 Months→31 May 2016 | Dissolved | |
| Higgins Winstanley Limited Director • Designer | 1 Apr 2003←11 Years→19 Jan 2015 | Active | |
| Parliament Court Residents Company Limited Director • Copy Writer | 12 Dec 2002←7 Years→24 May 2010 | Active | |
