- Darel Avis GRANT- Born January 1937 - 35 Ballards Lane, London, United Kingdom, N3 1XW 
- DAREL AVIS GRANT- C/O BROWNE JACOBSON LLP (CS) 15TH FLOOR, 6 BEVIS M, BURY COURT, LONDON, UNITED KINGDOM, EC3A 7BA 
- Raymond, Mr. KATTAR- Born March 1965 - 7 Shepherd's Bush, London, England, W6 7NA 
- HOLDER MATHIAS LLP- OC347009 - Incorporated on 7 July 2009 
- ST MATHIAS LIMITED- 05683543 - Incorporated on 22 January 2006 
- DARELEAS COMPANY LTDDisolved- 14434625 - Dissolved on 26 March 2024 
- DARELLAHAIR LIMITED- 15254228 - Incorporated on 1 November 2023 
- GUY DARELL UNWIN- Born November 1952 - UNITS 2 & 3 SPARROWHAWK CLOSE, MALVERN, WORCESTERSHIRE, ENGLAND, WR14 1GL 
- GUY DARELL UNWIN- Born November 1952 - UNIT 2-3 SPARROWHAWK CLOSE, ENIGMA BUSINESS PARK, MALVERN, WORCESTERSHIRE, UNITED KINGDOM, WR14 1GL 
- DAREL AVIS GRANT- 63 OLD PARK ROAD, LEEDS, LS8 1JB 
- MATCON CIVIL ENGINEERING & GROUNDWORKS LTD- 07203080 - Incorporated on 25 March 2010 
- RJK (PLYMOUTH) LIMITED- 07706421 - Incorporated on 15 July 2011 
- MATHIAS FRANKE LIMITED- 06798329 - Incorporated on 22 January 2009 
- CLIVE MATHIAS LIMITED- 04038576 - Incorporated on 21 July 2000 
- MATHIAS CONSULTING LIMITED- 07488832 - Incorporated on 11 January 2011 
- MATHIAS & PARTNERS LIMITED- 08021244 - Incorporated on 5 April 2012 
- MATHIAS DRIVING LIMITEDActive - Proposal to Strike off- 09052135 - Incorporated on 22 May 2014 
- MATHIAS DEVELOPMENTS LIMITEDActive - Proposal to Strike off- 09192189 - Incorporated on 29 August 2014 
- MATHIAS MACHINERY LTD- 11379959 - Incorporated on 24 May 2018 
- MATHIAS BENNETT LIMITED- 11919029 - Incorporated on 1 April 2019