- DEMPSEY PLANT HIRE LIMITEDActive - Proposal to Strike off- 07679510 - Incorporated on 22 June 2011 
- DEMPSEY PAINTING & DECORATING LTD- 08371965 - Incorporated on 23 January 2013 
- LOUISE DEMPSEY CONSULTING LTDActive - Proposal to Strike off- SC455942 - Incorporated on 2 August 2013 
- PAUL DEMPSEY JOINERS LIMITEDActive - Proposal to Strike off- SC487792 - Incorporated on 30 September 2014 
- ROBERT DEMPSEY & ASSOCIATES LIMITED- 12176973 - Incorporated on 28 August 2019 
- DEMPSEY TRANSPORT SOLUTIONS LIMITEDActive - Proposal to Strike off- NI656777 
- HARTLEY DEMPSEY CONSULTANCY LTDActive - Proposal to Strike off- 13344887 - Incorporated on 19 April 2021 
- DEMPSEY MANAGEMENT COMPANY LTD- 16039132 - Incorporated on 24 October 2024 
- DEMPSEY PROPERTY HOLDINGS LIMITED- NI730720 - Incorporated on 23 June 2025 
- DEMPSEY PROPERTY MAINTENANCE LIMITEDDisolved- 13464316 - Dissolved on 20 December 2022 
- DEMPSEY CONSTRUCTION & MANAGEMENT LTDActive - Proposal to Strike off- 12074752 - Incorporated on 28 June 2019 
- PAUL DEMPSEY UPHOLSTERY LIMITEDDissolved- 03845991 - Dissolved on 26 January 2010 
- DEMPSEY AND SINGLETON LIMITEDActive - Proposal to Strike off- 06816665 - Incorporated on 11 February 2009 
- DEMPSEY DESIGN SERVICES LIMITEDActive - Proposal to Strike off- 03424564 - Incorporated on 26 August 1997 
- PAUL DEMPSEY CONSULTING LIMITEDActive - Proposal to Strike off- 08199012 - Incorporated on 3 September 2012 
- DEMPSEY ROOFING & CLADDING LTDActive - Proposal to Strike off- NI064030 - Incorporated on 5 April 2007 
- DEMPSEY DECOURCY ARCHITECTS LLP- OC389902 - Incorporated on 16 December 2013 
- SARAH DEMPSEY CONSULTING LIMITEDActive - Proposal to Strike off- 08942389 - Incorporated on 17 March 2014 
- THOMAS ANTHONY DEMPSEY LTDActive - Proposal to Strike off- 08332894 - Incorporated on 17 December 2012 
- DEMPSEY WESTLAKE CONSULTING LTDDisolved- 10518927 - Dissolved on 14 December 2021