| Company | Timeline | Status | |
| Cynare Limited Director • Unreported | 15 May 2014←11 Years→Current | Active | |
| Hatton Academies Trust Director • Systems Consultant | 1 Mar 2012←3 Years→1 Jul 2015 | Active | |
| Professional Practice Automation LLP Designated LLP Member • Unreported | 31 Mar 2009←5 Years→15 Apr 2014 | Dissolved | |
| Mark Ryan Limited Director • Unreported | 1 Aug 2001←24 Years→Current | Active | |
Solwan Systems Limited Director • Systems Consultant | 1 Aug 2001←14 Years→22 Sep 2015 | Dissolved | |
| Mark Ryan Consulting Limited Director • Unreported | 1 Aug 2001←24 Years→Current | Active | |
| The Practice Engine Group Limited Director • Accountant | 16 Oct 2000←8 Months→11 Jul 2001 | Active | |
