| Company | Timeline | Status | |
| Lake District Boat Club Limited Director • Building Contractor | 20 Dec 2022←2 Years 10 Months→Current | Active | |
| Lambert Conservation Limited Director • Director | 22 Apr 2015←1 Year→10 May 2016 | Dissolved | |
| Lambert Walker Investments Limited Director • Director | 22 Apr 2015←1 Year→10 May 2016 | Dissolved | |
| Heritage Conservation Skills Limited Director • Director | 11 Jul 2014←2 Years 6 Months→31 Jan 2017 | Dissolved | |
| Lambert Walker Limited Director • Commercial Decorator | 6 May 2010←14 Years→24 Mar 2025 | Dissolved | |
| John Lambert (North West) Limited Director • Painter | 23 Aug 2004←21 Years→Current | Active | |
| Lambert Walker Conservation And Restoration Limited Director • Director | 26 Jan 2004←20 Years→9 Apr 2024 | Dissolved | |
| Lambert Walker Conservation And Restoration Limited Secretary • Director | 26 Jan 2004←20 Years→9 Apr 2024 | Dissolved | |
