| Company | Timeline | Status | |
| Platform 3.0 Ltd Director • Architect | 16 Jun 2025←5 Months→Current | Active | |
| Peter Cook Architecture Studio Ltd Director • Company Director | 26 May 2024←1 Year 4 Months→23 Sep 2025 | Dissolved | |
| The Zaha Hadid Foundation Director • Architect | 24 Feb 2023←2 Years 9 Months→Current | Active | |
| Cook Belacevic Haffner And Partners Limited Director • Architect | 20 Oct 2021←4 Years→Current | Liquidation | |
| Cook Research Architectural Bureau Laboratory Ltd Director • Architect | 18 Apr 2019←6 Years→Current | Active | |
| Peter Cook Academic Advisor Limited Director • Company Director | 29 Jul 2008←17 Years→Current | Active | |
| Cook Robotham Architectural Bureau Limited Director • Company Director | 11 Jan 2006←13 Years→18 Apr 2019 | Active | |
