- COMPUTER PATENT ANNUITIES INTERNATIONAL LIMITED- 04016625 - Incorporated on 13 June 2000 
- PLT PATENT & LICENCE TRADING LIMITEDActive - Proposal to Strike off- 05410016 - Incorporated on 1 April 2005 
- KNITMASTER PATENTS LIMITED- 00601238 - Incorporated on 25 March 1958 
- BRIGHOUSE PATENT WALLING SYSTEMS LIMITEDDisolved- 07532661 - Dissolved on 18 December 2024 
- PATENT SEARCH & INFORMATION MANAGEMENT LIMITED- 08412411 - Incorporated on 20 February 2013 
- D.G.P. EXPERTISE LIMITED- 03072390 - Incorporated on 26 June 1995 
- KINGSLEY ESTATE AGENTS LIMITEDDissolved- 00679355 - Dissolved on 31 March 2020 
- PRITCHARD PATENT PRODUCT CO. LIMITED- 00408782 - Incorporated on 18 April 1946 
- PATENTTI- JA TAVARAMERKKIVIRASTO LTDActive - Proposal to Strike off- 09406998 - Incorporated on 26 January 2015 
- ELLIS PATENTS HOLDINGS LIMITED- 07939436 - Incorporated on 7 February 2012 
- WHITES IP LTDDisolved- 05412295 - Dissolved on 15 June 2024 
- INTERNATIONALE PATENTVERWERTUNGSGESELLSCHAFT LIMITEDDisolved- 06157364 - Dissolved on 1 February 2022 
- GEMMA SPARROW PATENT SERVICES LTDDisolved- 12129383 - Dissolved on 7 March 2023 
- THE INCORPORATED BENEVOLENT ASSOCIATION OF THE CHARTERED INSTITUTE OF PATENT ATTORNEYS- 00319970 - Incorporated on 26 October 1936 
- PRIORY PATENT SEARCH SERVICES LTDActive - Proposal to Strike off- 08194814 - Incorporated on 29 August 2012 
- OLIVE INTERNATIONAL PATENT UK LTDActive - Proposal to Strike off- 08361973 - Incorporated on 15 January 2013 
- HILL HAMPTON LIMITEDLiquidation- 06707229 - Incorporated on 25 September 2008 
- KROEZE PATENTS & LICENCES LIMITEDDissolved- 07239524 - Dissolved on 7 May 2019 
- CENTRAL ENGLAND PATENT & TRADEMARK ATTORNEYS LIMITED- 07930428 - Incorporated on 31 January 2012 
- PENNYCOOK PATENT GLAZING CO LTD- SC294818 - Incorporated on 22 December 2005