| Company | Timeline | Status | |
| Transparency International (UK) Director • Lawyer | 19 Oct 2011←3 Years→12 Oct 2015 | Active | |
| Transparency International (UK) Director • Solicitor | 16 May 2006←4 Years→5 May 2011 | Active | |
| Howard League For Penal Reform (Incorporating The Howard Centre For Penology)(THE) Director • Solicitor | 25 Jan 2006←6 Years→18 Jun 2012 | Active | |
| Fraud Advisory Panel Director • Solicitor | 27 Nov 2003←12 Years→5 Jul 2016 | Active | |
| Peters & Peters (Consulting) Limited Director • Senior Partner | 2 Dec 1999←5 Years→30 Apr 2005 | Active | |
| Peters & Peters (Training) Limited Director • Senior Partner | 2 Dec 1999←5 Years→30 Apr 2005 | Active | |
| Blake Holdings Limited Director • Solicitor | 20 Dec 1994←12 Years→2 May 2007 | Active | |
| Peter Blake (Clumber) Limited Director • Solicitor | 20 Dec 1994←12 Years→2 May 2007 | Dissolved | |
Commercial Crime Studies Limited Director • Solicitor | 19 May 1994←25 Years→16 Jul 2019 | Dissolved | |
| Peter Blake(Chatsworth)Limited Director • Solicitor | 9 May 1991←15 Years→2 May 2007 | Active | |
