Mason, William Thomas, Dr
At least 6 active companies
These details are public data from the Companies House register.
- Nationality
- American
- Country of residence
- United Kingdom
Appointments 6 current
Not a complete list. See all appointments on Companies House
Director · Appointed 30 August 2018
Active
Net assets £128.1k, 2025 total exemption full accounts · Incorporated 2008
Director · Appointed 25 October 1995
Active
Net assets £651.1k, 2024 accounts (newer filed) · Incorporated 1995
Director
Active
Net assets -£39.7k, 2025 micro entity accounts · Incorporated 1988
Director · Appointed 3 April 2019
Active
Net assets £144.7k, 2025 total exemption full accounts · Incorporated 1999
Director · Appointed 5 January 2012
Active
Net assets £100, 2025 accounts (newer filed) · Incorporated 2012 · Non-trading company
Director · Appointed 24 March 1999
Active
Micro entity accounts · Incorporated 1999
Former appointments (3)
Director · Appointed 13 December 2010 · Resigned 1 November 2018
Company active
Director · Appointed 1 April 2005 · Resigned 31 December 2011
Company active
Director · Appointed 25 May 2001 · Resigned 1 October 2012
Company active
Works with
Officers serving alongside Mason, William Thomas, Dr
Director at Immunobiology Limited
Director at Immunobiology Limited
Mason, Jolyon James
Director at Storm Fine Arts Limited
Mason, Jolyon James Harleston
Director at Sage Healthcare Ltd
Mason, Jolyon James Harleston
Director at Biokinect Limited