- BANHAM PATENT LOCKS LIMITED- 00457812 - Incorporated on 12 August 1948 - 20 Thornsett Road, Earlsfield, London, United Kingdom, SW18 4EF 
- FLAME PATENT GLAZING LIMITEDLiquidation- 01046299 - Incorporated on 16 March 1972 
- GOLDSMITH PATENT (SEVENOAKS) LIMITEDDisolved- 01267951 - Dissolved on 5 March 2024 
- PATENT ANNUITY COSTS LIMITED- 09823266 - Incorporated on 14 October 2015 
- FOUR OAKS PATENTS LTDDisolved- 06666209 - Dissolved on 15 April 2025 
- SMART PATENTS LIMITEDDissolved- SC339030 - Dissolved on 24 May 2016 
- ADBAR(PATENT CO.)LIMITED- 00978389 - Incorporated on 29 April 1970 
- MILLERS RETAIL DESIGN LIMITED- 00564648 - Incorporated on 13 April 1956 
- MY CLUB PATENTS LIMITED- 13849395 - Incorporated on 14 January 2022 
- DIAMOND PATENTS LTD- 15392496 - Incorporated on 6 January 2024 
- COMPASS PATENTS LLPDissolved- OC319925 - Dissolved on 2 October 2012 
- A J MAYSONS & COMPANY LIMITED- 00632780 - Incorporated on 15 July 1959 
- THE CORPORATE DASHBOARD COMPANY LIMITED- 03975408 - Incorporated on 18 April 2000 
- PRIORITY CONSULTANCY SERVICES LIMITEDDissolved- 04988887 - Dissolved on 10 May 2011 
- REBEL PATENTS (GB) LIMITED- 09517418 - Incorporated on 30 March 2015 
- PRICE'S PATENT CANDLES LIMITED- 04130027 - Incorporated on 22 December 2000 
- PATENT DEVELOPMENTS INTERNATIONAL LIMITED- 01543714 - Incorporated on 6 February 1981 
- HOWELLS PATENT GLAZING LIMITED- 03140022 - Incorporated on 20 December 1995 
- PATENT BOX CONSULTANTS LIMITEDDisolved- 08158246 - Dissolved on 10 September 2024 
- THE CHARTERED INSTITUTE OF PATENT ATTORNEYS- RC000735 - Incorporated on 11 August 1991