- STEM & AGATE LIMITED- 07159063 - Incorporated on 16 February 2010 
- DAVID OGILVIE-O'NEIL DESIGN LIMITED- SC321601 - Incorporated on 19 April 2007 
- AGATE CONSTRUCTORS LIMITEDDissolved- 07665091 - Dissolved on 22 January 2013 
- AGATE SOLUTIONS LTD- SC419011 - Incorporated on 8 March 2012 
- AGATE OAKES LIMITEDDisolved- 07530486 - Dissolved on 4 June 2024 
- AGATE ELECTRICAL LTDDissolved- 07675857 - Dissolved on 28 October 2014 
- AGATE RESOURCES LTD- 11000487 - Incorporated on 6 October 2017 
- AGATE LOGISTICS LTDActive - Proposal to Strike off- 10104136 - Incorporated on 5 April 2016 
- AGATE MOMENTUM TRUST- 11077761 - Incorporated on 22 November 2017 
- AGATE ESTATES LIMITEDDisolved- 13990165 - Dissolved on 18 July 2023 
- AGATE COMMERCIAL LIMITEDDisolved- 14020646 - Dissolved on 17 September 2024 
- AGATE CONSULTANCY LTDDisolved- 14582250 - Dissolved on 11 February 2025 
- AGATE SHORES LIMITEDregistered- OE032536 - Incorporated on 8 April 2024 
- AGATE FINISHINGS LTDDisolved- 16168289 - Dissolved on 29 April 2025 
- SL020357 LP- SL020357 - Incorporated on 17 April 2015 
- AGATE GLASS LIMITED- 01442158 - Incorporated on 6 August 1979 
- GREEN AGATE D 2010 LIMITED- FC030086 - Incorporated on 5 November 2010 
- WOODLANDS AGATE LTDActive - Proposal to Strike off- 09103539 - Incorporated on 26 June 2014 
- OAKES AGATE LIMITEDActive - Proposal to Strike off- 11646278 - Incorporated on 29 October 2018 
- AGATE SEO COMPANY LTDActive - Proposal to Strike off- 10842679 - Incorporated on 29 June 2017