- IAN A EMSLIE- SL000951 - Incorporated on 6 April 1987 
- IAN CORP LTDActive - Proposal to Strike off- 09956520 - Incorporated on 18 January 2016 
- IAN APPS LTD.Active - Proposal to Strike off- SC576813 - Incorporated on 20 September 2017 
- IAN LOTT LTD- 11339858 - Incorporated on 1 May 2018 
- J.IAN.NEAL LTD- SC602124 - Incorporated on 9 July 2018 
- IAN SALE LTD- 11797324 - Incorporated on 30 January 2019 
- IANIKE LTDActive - Proposal to Strike off- 12182645 - Incorporated on 30 August 2019 
- IAN REID LTDDisolved- 12992775 - Dissolved on 12 April 2022 
- IANLIN LTD- 14395787 - Incorporated on 4 October 2022 
- IAN RICE LTD- 14020703 - Incorporated on 2 April 2022 
- IANCW UK LTDActive - Proposal to Strike off- 16364012 - Incorporated on 3 April 2025 
- IANIKO LTD- 16392441 - Incorporated on 16 April 2025 
- EDGAR & ARTHUR LTDDissolved- 07062632 - Dissolved on 10 January 2012 
- T.ARTHUR LIMITEDLiquidation- 04080181 - Incorporated on 28 September 2000 
- ARTHURSTEENHORNEADAMSON LTD- 04642373 - Incorporated on 20 January 2003 
- PRICE ARTHUR LTD- 07662914 - Incorporated on 8 June 2011 
- ARTHURHILL LTDDissolved- 07982283 - Dissolved on 24 May 2016 
- ARTHUR & JAMES LTDActive - Proposal to Strike off- 08565001 - Incorporated on 11 June 2013 
- HAYDN & ARTHUR LTDDissolved- 08944606 - Dissolved on 28 May 2019 
- ARTHURROOMS LTD- 12579342 - Incorporated on 30 April 2020