| Company | Timeline | Status | |
| Guy Stansfeld Architecture LLP Designated LLP Member • Unreported | 24 Feb 2024←1 Year 9 Months→Current | Active | |
| Peoples Hall Limited Director • Chartered Architect | 15 Apr 2019←6 Years→Current | Active | |
| 318 Limited Director • Architect | 13 Mar 2014←7 Years→14 Sep 2021 | Dissolved | |
| 46 Holland Road Limited Director • Architect | 13 Jan 2006←9 Years→10 Feb 2015 | Active | |
| Guy Stansfeld Architects Limited Director • Architect | 22 Apr 2004←21 Years→Current | Active | |
| 3xarchitecture Limited Liability Partnership Designated LLP Member • Unreported | 9 Jul 2002←23 Years→9 Sep 2025 | Dissolved | |
| 48 Leinster Square Residents Association Limited Secretary • Architect | 20 Nov 2001←4 Years→20 Feb 2006 | Active | |
318 Studios Limited Director • Architect | 15 Oct 2001←13 Years→18 Aug 2015 | Dissolved | |
| Leinster Square Gardens Limited Secretary • Architect | 31 May 2000←3 Years→13 Jan 2004 | Active | |
| 48 Leinster Square Residents Association Limited Director • Architect | 11 Apr 1997←8 Years→20 Feb 2006 | Active | |
