| Ivo-K Ltd | Wholesale & retail | 2020 |
| Ivor House (Roby) Freehold Co Ltd | Other services | 2020 |
| Ivor House (Roby) RTM Co Ltd | Real estate | 2019 |
| Ivory Bright Impact Ltd | Wholesale & retail | 2026 |
| IVY Entertainment Ltd | Arts & recreation | 2024 |
| IVY League Solutions Limited | Professional & scientific | 2012 |
| IVY Nails 359 Ltd | Other services | 2022 |
| IVY Trading Limited | Hospitality | 2018 |
| Ivy's Roofing Ltd | Construction | 2023 |
| Ivy-Lynn Support and Care Ltd | Hospitality | 2018 |
| Ivybank Flat Management (Southport) Limited | Households | 1999 |
| Ivysu Limited | Hospitality | 2018 |
| Ivy’S Nails Spa & Beauty L24 Ltd | Other services | 2024 |
| Iwan Steffan Ltd | Professional & scientific | 2023 |
| Iwan Williams Management Services Ltd | Construction | 2025 |
| Iwantcleanwindows Ltd | Administrative & support | 2018 |
| Iwcw Ltd | Administrative & support | 2025 |
| Iwhite Ltd | Wholesale & retail | 2010 |
| Iwoman Academy CIC | Education | 2016 |
| Iwoman Media Ltd | Information & communication | 2016 |
| IWR Global Ltd | Water & waste | 2023 |
| IWS Academy Limited | Professional & scientific | 2025 |
| IX Liverpool Limited | Information & communication | 2016 |
| Ixodes Ltd | Professional & scientific | 2015 |
| Iyanda Flooring Ltd | Construction | 2020 |
| Iyeru Limited | Health & social care | 2015 |
| Iyin Development Federal Union (Idfu) UK Ltd | Other services | 2026 |
| Iyobosa General Services Ltd | Transport & logistics | 2023 |
| Izaan Group of Import & Export Limited | Wholesale & retail | 2024 |
| Izakaya Staff Ltd | Administrative & support | 2019 |
| Izgara Restaurant (NW) Limited | Hospitality | 2025 |
| Izida Pharma Ltd | Wholesale & retail | 2012 |
| Izla Ltd | Health & social care | 2023 |
| Izmir Barber Nice Style Ltd | Other services | 2023 |
| Izzy BTL Limited | Households | 2019 |
| Izzy Scaffolding Ltd. | Construction | 2025 |
| Izzyboo Ltd | Information & communication | 2021 |
| Izzyufostudio Limited | Arts & recreation | 2026 |
| J & a Systems Limited | Manufacturing | 2011 |
| J & B Properties Holdings Limited | Real estate | 2015 |
| J & BCP Holdings Limited | Wholesale & retail | 2023 |
| J & C Marketing Ltd | Information & communication | 2018 |
| J & C Mccabe Property Limited | Real estate | 2024 |
| J & D (NW) Services Limited | Real estate | 2018 |
| J & D Accountancy Services Ltd | Professional & scientific | 2004 |
| J & D Property Investment Limited | Real estate | 2016 |
| J & DC Properties Ltd | Real estate | 2022 |
| J & E (Liverpool) Ltd | Real estate | 2013 |
| J & E Developments (Management) Limited | Hospitality | 2008 |
| J & E Hotels Limited | Real estate | 2007 |
| J & G Property Services Limited | Construction | 1996 |
| J & H Murray Medical Services Limited | Health & social care | 2018 |
| J & J Bricklayers Limited | Construction | 2004 |
| J & J Enright Co Limited | Water & waste | 2001 |
| J & J Homes Ltd | Construction | 2002 |
| J & J Leisure Liverpool Ltd | Administrative & support | 2022 |
| J & J Leisure N/W Ltd | Hospitality | 2022 |
| J & J Logistics Limited | Transport & logistics | 2018 |
| J & K Corporation Ltd | Financial services | 2025 |
| J & K Tiling Limited | Construction | 2012 |
| J & L Properties 2025 Limited | Households | 2025 |
| J & M Journeys Ltd | Transport & logistics | 2024 |
| J & M Property Services (NW) Ltd | Real estate | 2025 |
| J & M Settle Cars Ltd | Administrative & support | 2018 |
| J & M Sino Ltd | Real estate | 2026 |
| J & N Rentals Ltd | Real estate | 2022 |
| J & P Cole Ltd | Administrative & support | 2016 |
| J & P Yates Limited | Financial services | 2016 |
| J & R Joinery Installation Services Ltd | Construction | 2024 |
| J & R Sports Limited | Wholesale & retail | 1998 |
| J & S Griffin Holding Company Limited | Financial services | 2024 |
| J & S Wilson Property Ltd | Real estate | 2019 |
| J & V Hot Dogs Limited | Hospitality | 2006 |
| J & XH Properties Limited | Real estate | 2025 |
| J + K Murphy Site Services Limited | Construction | 2007 |
| J a & Sons Rigging Ltd | Construction | 2024 |
| J a Chapman Ltd | Mining & quarrying | 2025 |
| J a D Logistics N/W Ltd | Transport & logistics | 2019 |
| J a Estates Limited | Real estate | 2003 |
| J a G Plant and Vehicles Limited | Wholesale & retail | 2009 |
| J a Mcgarry & SON Ltd | Transport & logistics | 2019 |
| J Alansari Real Estate Ltd | Real estate | 2018 |
| J Aldridge Building Services UK Limited | Construction | 2025 |
| J and B Liverpool Limited | Hospitality | 2023 |
| J and K Restaurant and Bar Ltd | Hospitality | 2025 |
| J and L Paybody Ltd | Real estate | 2017 |
| J Baden Properties Limited | Real estate | 2021 |
| J Barker Paving Ltd | Construction | 2012 |
| J Beckwith Limited | Construction | 2004 |
| J Benn Fitness Ltd | Arts & recreation | 2026 |
| J Broderick Limited | Administrative & support | 2007 |
| J Brother’S Motorworks Ltd | Professional & scientific | 2024 |
| J Brownell Rents Ltd | Households | 2019 |
| J Burns Property Ltd | Real estate | 2023 |
| J C M Property Holdings Ltd | Real estate | 2018 |
| J C Pipeweld Limited | Construction | 2007 |
| J C Taverns Limited | Hospitality | 2020 |
| J Cooke Limited | Wholesale & retail | 2002 |
| J COY Logistics Ltd | Transport & logistics | 2021 |
| J D Engineering (NW) Ltd | Construction | 2012 |