- ABBY AI LIMITED- 15852247 - Incorporated on 22 July 2024 
- NIAMH HANLON LIMITEDActive - Proposal to Strike off- 07150990 - Incorporated on 9 February 2010 
- NIAMH PENDER LIMITED- 07792030 - Incorporated on 29 September 2011 
- NIAMH NESTOR LIMITEDActive - Proposal to Strike off- 06828915 - Incorporated on 24 February 2009 
- NIAMH WHYTE LIMITED- 09765645 - Incorporated on 7 September 2015 
- NIAMH ISOBEL LIMITED- 09247750 - Incorporated on 3 October 2014 
- NIAMH KENNEDY LIMITEDDisolved- 08978809 - Dissolved on 5 October 2021 
- NIAMH FOREX LIMITEDDisolved- 12942997 - Dissolved on 12 December 2023 
- NIAMH WATMORE LIMITED- 13401106 - Incorporated on 16 May 2021 
- ABBY LAWSON LTD- 15640737 - Incorporated on 12 April 2024 
- ABBYBELLE LTDActive - Proposal to Strike off- 12260158 - Incorporated on 14 October 2019 
- ABBY CASSON 4540 LTDActive - Proposal to Strike off- 10134695 - Incorporated on 20 April 2016 
- ABBY'S BAKERY LTDDisolved- 13832852 - Dissolved on 25 April 2023 
- ABBYSTORE LTD- 16442445 - Incorporated on 11 May 2025 
- ABBY GROUP LIMITEDDisolved- 07045251 - Dissolved on 1 July 2025 
- NIGHTINGALE NIAMH LTDActive - Proposal to Strike off- 10637620 - Incorporated on 24 February 2017 
- NIAMH COFFEY LIMITED- 14166687 - Incorporated on 12 June 2022 
- NIAMH O'LOUGHLIN LIMITED- 09522418 - Incorporated on 1 April 2015 
- NIAMH LOUISE FOUNDATION- NI672653 - Incorporated on 17 September 2020 
- NIAMH COMMUNICATIONS LIMITED- 11578143 - Incorporated on 19 September 2018