- IAN ROBERTSON ACCOUNTANCY LIMITEDActive - Proposal to Strike off- 06654130 - Incorporated on 23 July 2008 
- IAN ROBERTS BUILDING MAINTENANCE LTDActive - Proposal to Strike off- 04691171 - Incorporated on 10 March 2003 
- MR ROBERTS (MANCHESTER) LIMITEDDisolved- 12014272 - Dissolved on 20 August 2024 
- IAN ROBERTS PROPERTY MANAGEMENT LTD.Active - Proposal to Strike off- 07896758 - Incorporated on 4 January 2012 
- OUT FOR LUNCH LTD.Dissolved- SC266528 - Dissolved on 6 April 2012 
- JAMIESON CORPORATE FINANCE LLP- OC308682 - Incorporated on 16 July 2004 
- ROBERT HARRISON PROPERTY LIMITED- 07144736 - Incorporated on 3 February 2010 
- IAN HARRISON STRATEGIC CONSULTING LTDActive - Proposal to Strike off- 08166983 - Incorporated on 3 August 2012 
- MR.MR. LTDDisolved- 14252327 - Dissolved on 5 December 2023 
- MR MR2 LTD- 11218539 - Incorporated on 21 February 2018 
- MR & MR LTD- 16489396 - Incorporated on 2 June 2025 
- MR MR LTDActive - Proposal to Strike off- 15533685 - Incorporated on 1 March 2024 
- IAN ROBERTS MANAGEMENT CONSULTANCY LTDActive - Proposal to Strike off- 10877601 - Incorporated on 21 July 2017 
- HARRIS & HARRIS LIMITED- 06475290 - Incorporated on 16 January 2008 
- HARRIS HARRIS LTDDisolved- 12168963 - Dissolved on 11 January 2022 
- IAN ROBERTS DESIGN CONSULTANTS LIMITED- 02350327 - Incorporated on 21 February 1989 
- IAN 1966 LTD- 06176574 - Incorporated on 21 March 2007 
- IAN P LTDDisolved- 08450580 - Dissolved on 17 June 2025 
- MR&MRS B'S LTDDissolved- 10677155 - Dissolved on 20 August 2019 
- MR&MRS LTDActive - Proposal to Strike off- 12389034 - Incorporated on 7 January 2020