| Bluebe Consultancy Ltd | Professional & scientific | 2020 |
| Bluebell Care Group Ltd | Health & social care | 2026 |
| Bluebell Lane Medical Practice (Liverpool) Limited | Health & social care | 2017 |
| Bluebell Motors Ltd | Wholesale & retail | 2015 |
| Bluebell Paws Retreat Ltd | Agriculture & fishing | 2025 |
| Bluebell Solar Panel Installations Ltd | Construction | 2023 |
| Bluebell Spirit Limited | Education | 2006 |
| BLUEBELLA1878 Ltd | Transport & logistics | 2021 |
| Bluebells Nursery Ltd | Education | 2010 |
| Bluebrook Carr Management Company Limited | Households | 2018 |
| Bluebuck Games Ltd | Information & communication | 2024 |
| Bluecoat Display Centre (Trading) Ltd | Administrative & support | 2010 |
| Bluecoat Property Acquisitions Ltd | Real estate | 2022 |
| Bluecoat Triangle Limited | Real estate | 1994 |
| Bluecrest Freebooter Limited | Manufacturing | 1977 |
| Blueday Limited | Construction | 2021 |
| Bluedesk Limited | Information & communication | 2024 |
| Bluedoor Ventures Limited | Construction | 2025 |
| Bluefile (NW) Ltd | Real estate | 2024 |
| Bluefin Insurance Group Limited | Financial services | 1996 |
| Bluefire Recruitment Limited | Administrative & support | 2015 |
| Bluegolgbird Ltd | Hospitality | 2020 |
| Bluegrid Tech Systems Limited | Information & communication | 2025 |
| Bluegrips Ltd. | Information & communication | 2009 |
| Bluehawk Group Limited | Wholesale & retail | 2020 |
| Bluehorizon Care Ltd | Health & social care | 2024 |
| Bluehouse Bar Liverpool Ltd | Hospitality | 2024 |
| Bluejays Trading Ltd | Wholesale & retail | 2025 |
| Blueline NW Ltd | Hospitality | 2024 |
| Bluely International Ltd | Wholesale & retail | 2025 |
| Bluenile Superstore Ltd | Wholesale & retail | 2024 |
| Bluepoint Marine Services Limited | Manufacturing | 2010 |
| Blueprint Alliance Ltd | Construction | 2021 |
| Blueprint Gatherings Limited | Administrative & support | 2026 |
| Blueprint Solutions Group Ltd | Information & communication | 2025 |
| Bluerain Media Limited | Information & communication | 2024 |
| Bluerose Construction Ltd | Construction | 2016 |
| Bluerow Estates Limited | Real estate | 2021 |
| Bluerow Holdings Limited | Financial services | 2021 |
| Bluerow Homes Limited | Real estate | 1999 |
| Bluerow Lettings Manchester Limited | Real estate | 2013 |
| Bluesat Solutions Ltd | Wholesale & retail | 2010 |
| Bluesky Business Limited | Professional & scientific | 2010 |
| Bluestar Telecommunications UK Limited | Information & communication | 2019 |
| Bluestone Surveyors Ltd | Professional & scientific | 2023 |
| Bluetax Limited | Households | 1992 |
| Bluevik Technology Limited | Information & communication | 2025 |
| Bluewater Consultants International Ltd | Professional & scientific | 2008 |
| Bluey Enterprise Ltd | Agriculture & fishing | 2024 |
| Blundell & Rimmer (Engineering) Limited | Transport & logistics | 1976 |
| Blundell Care Service Ltd | Health & social care | 2025 |
| Blundell Group Ltd | Construction | 2021 |
| Blundell Investments Ltd | Real estate | 2015 |
| Blundell Properties Ltd | Real estate | 2017 |
| Blundell's of Liverpool Ltd | Hospitality | 2012 |
| Blundellsands Bridge Club Limited | Arts & recreation | 1968 |
| Blundellsands Court Management Company Limited | Households | 2001 |
| Blundellsands Investments Ltd | Construction | 2018 |
| Blundellsands Lawn Tennis Club Ltd | Arts & recreation | 2018 |
| Blundellsands Ltd | Real estate | 2022 |
| Blundellsands Optical Ltd | Health & social care | 2012 |
| Blundellsands Properties Limited | Real estate | 1966 |
| Blundellsands Property Management Ltd | Real estate | 2020 |
| Bluprint Global Limited | Information & communication | 2006 |
| Bluprintx Holdings Limited | Financial services | 2019 |
| Blurred Records Ltd | Information & communication | 2026 |
| Blush & Co by BEC Ltd | Other services | 2020 |
| Blush & Glow Ltd | Other services | 2025 |
| BM Bazaar Ltd | Wholesale & retail | 2025 |
| BM Construction Liverpool Ltd | Construction | 2020 |
| BM Energy Limited | Manufacturing | 2023 |
| BM Realisations 2024 Limited | Manufacturing | 1997 |
| BM Town Ltd | Wholesale & retail | 2026 |
| BMB Aerosols (Consultancy) Ltd | Wholesale & retail | 2023 |
| BMB Construction Services Limited | Construction | 2025 |
| BMB Fleet Care Ltd | Manufacturing | 2025 |
| BMC Communications Ltd | Information & communication | 2021 |
| BMC Mechanical Repairers Limited | Manufacturing | 2008 |
| BMC Promotions Ltd | Arts & recreation | 2025 |
| BMC Telecommunications Ltd | Information & communication | 2021 |
| Bmcg Electric Ltd | Manufacturing | 2024 |
| Bmcivils Ltd | Construction | 2016 |
| BMD Properties Liverpool Ltd | Real estate | 2025 |
| BMD Segura Ltd | Hospitality | 2025 |
| BMD Toffeez Ltd | Hospitality | 2025 |
| BME Property Limited | Real estate | 2025 |
| BMF Property Management Limited | Real estate | 2016 |
| BMF Solutions Limited | Administrative & support | 2023 |
| BMG Elec Ltd | Construction | 2024 |
| BMG Plumbing & Heating Limited | Construction | 2024 |
| BMG Property Investment Limited | Real estate | 2026 |
| BMG Property Services Ltd | Construction | 2025 |
| BMH Couriers Ltd | Transport & logistics | 2025 |
| Bmhcare Ltd | Health & social care | 2023 |
| Bmicro Marketing Consultancy Ltd | Administrative & support | 2016 |
| Bmig (Bright Marketing Ideas Group) Ltd. | Professional & scientific | 2016 |
| Bmja Properties Ltd | Real estate | 2020 |
| BML Estates Ltd | Real estate | 2018 |
| Bmmw Ltd | Manufacturing | 2019 |
| Bmnet Limited | Construction | 2025 |