- JASON COLLIS LIMITED- 04662712 - Incorporated on 11 February 2003 
- COLLIS SMITH LIMITED- 01960457 - Incorporated on 18 November 1985 
- COLLIS SOLUTIONS LIMITEDDisolved- 08045369 - Dissolved on 14 March 2023 
- COLLIS CONSULTING LIMITEDActive - Proposal to Strike off- 06702698 - Incorporated on 19 September 2008 
- LAUREN COLLIS LIMITEDActive - Proposal to Strike off- 08637761 - Incorporated on 5 August 2013 
- DENISE COLLIS LIMITEDActive - Proposal to Strike off- 09447691 - Incorporated on 19 February 2015 
- COLLIS ENVIRO LTD- 12246622 - Incorporated on 7 October 2019 
- COLLIS ECOMMERCE LTD- 11209232 - Incorporated on 16 February 2018 - 71-75 Shelton Street, WC2H 9JQ 
- HORDEUM COLLIS LIMITED- 10417504 - Incorporated on 10 October 2016 
- COLLIS CLEANING LTD- 13304570 - Incorporated on 30 March 2021 
- WATSON & COLLIS LTDDisolved- 15160242 - Dissolved on 25 February 2025 
- Thomas, Mr. BAGLEY- Born August 1985 - Booths Hall, Chelford Road,, Knutsford,, Cheshire, England, WA16 8QZ 
- Thomas, Mr. CASTRO- Born March 1990 - 130 Shaftesbury Avenue, 2nd Floor, London, United Kingdom, W1D 5EU 
- Martyn, Mr. THOMAS- 5 Bathgate Road, Wimbledon, London, United Kingdom, SW19 5PW 
- Candy, Mrs. THOMAS- Born November 1978 - 128 City Road, London, United Kingdom, EC1V 2NX 
- Thomas, Mr. CASTRO- Born March 1990 - 130 Shaftesbury Avenue, 2nd Floor, London, United Kingdom, W1D 5EU 
- Rhodri, Mr. THOMAS- Born December 1954 - Hanborough House 5 Wallbrook Court, North Hinksey Lane, Oxford, England, OX2 0QS 
- Thomas, Mr. CASTRO- Born March 1990 - 130 Shaftesbury Avenue, 2nd Floor, London, United Kingdom, W1D 5EU 
- Gilly, Mrs. THOMAS- Born October 1948 - The Royal Cambrian Academy, Crown Lane, Conwy, LL32 8AN 
- MR.MR. LTDDisolved- 14252327 - Dissolved on 5 December 2023