| Company | Timeline | Status | |
| Harrison Waterproofing Limited Director • Director | 1 Sep 2024←1 Year 4 Months→Current | Active | |
| Harrison Structural Holdings Ltd Director • Accounts Manager | 30 Sep 2013←12 Years→Current | Active | |
| Harrison Waterproofing Limited Director • Accounts | 21 Feb 2008←5 Years→30 Sep 2013 | Active | |
| Harrison Waterproofing Limited Director • Director | 27 Feb 2006←1 Year 5 Months→1 Aug 2007 | Active | |
Peter Harrison Preservation Limited Director • Director | 1 Jul 2002←13 Years→27 Nov 2015 | Dissolved | |
