| 1 Call Class 1 Limited | Transport & logistics | 2017 |
| 10 Ellesmere Road Ltd | Real estate | 2014 |
| 10K Logistics Ltd | Transport & logistics | 2026 |
| 121 Auto-Repair Limited | Wholesale & retail | 2023 |
| 121 Fitness Centres Ltd | Arts & recreation | 2020 |
| 121TAXIS Ltd | Transport & logistics | 2019 |
| 157 Logistics Limited | Transport & logistics | 2017 |
| 19 Chisenhale Road Flat Management Company Limited | Real estate | 1997 |
| 1STBLOOD Limited | Health & social care | 2021 |
| 2 Way Transport Limited | Transport & logistics | 2009 |
| 208 B1 Limited | Administrative & support | 2013 |
| 208 B2 Limited | Administrative & support | 2013 |
| 208 B4 Limited | Administrative & support | 2014 |
| 208 B5 Limited | Administrative & support | 2014 |
| 24/7 Flexi Storage Ltd | Real estate | 2025 |
| 2NDHANDCARPARTS Ltd | Wholesale & retail | 2025 |
| 3D Bathrooms Limited | Construction | 2026 |
| 4D Driver Hire Ltd | Transport & logistics | 2022 |
| 4K SAM Ltd | Wholesale & retail | 2024 |
| 4K Store Ashby Ltd | Wholesale & retail | 2023 |
| 4M Pro-Services Ltd | Hospitality | 2018 |
| 5 Ingram Road Finchley Management Company Limited | Extraterritorial | 2017 |
| 5K Logistics Ltd | Transport & logistics | 2021 |
| 5R Hotel Ltd | Hospitality | 2023 |
| 5R Property Holdings Limited | Real estate | 2020 |
| 7 Days Best Ltd | Wholesale & retail | 2023 |
| 7-CONSTRUCTION (N Lincs) Limited | Construction | 2020 |
| 786 Pharma Ltd | Professional & scientific | 2022 |
| 90 Nine Plus 1 Community Interest Company | Wholesale & retail | 2024 |
| @Olivierbranford Ltd | Health & social care | 2019 |
| A & D Construction & Groundworks Limited | Construction | 2025 |
| A & J Plumbing (Yorkshire) Limited | Construction | 2014 |
| A & P Godfrey Transport Ltd | Manufacturing | 2022 |
| A & T Autos Ltd | Wholesale & retail | 2017 |
| A & V Tasou Properties Ltd | Construction | 2013 |
| A B Construction (South Yorkshire) Ltd | Administrative & support | 2017 |
| A Consulting Services Ltd | Extraterritorial | 2019 |
| A Cubiera Limited | Transport & logistics | 2016 |
| A J Inns (Crowle) Ltd | Hospitality | 2016 |
| A J Matthews Civils Ltd | Construction | 2023 |
| A J Miller Limited | Arts & recreation | 2000 |
| A Norris Limited | Construction | 2020 |
| A Robinson Plumbing Limited | Construction | 2020 |
| A S & H Builders Ltd | Construction | 2018 |
| A Sands Builders & Driveways Limited | Construction | 2012 |
| A Signs (Scunthorpe) Limited | Manufacturing | 2003 |
| A T Plumbing & Heating (Lincs) Limited | Construction | 2019 |
| A to Z Art & Painting Ltd | Wholesale & retail | 2023 |
| A to Z Properties (Scunthorpe) Ltd | Households | 2023 |
| A W Truck Exports Ltd | Wholesale & retail | 2013 |
| A&I Cafe Ltd | Hospitality | 2024 |
| A&K Mangher Ltd | Wholesale & retail | 2023 |
| A&S Catalyst Recruitment Limited | Administrative & support | 2025 |
| A&Z Export Limited | Wholesale & retail | 2023 |
| A'B Car and Commercial Sales Scunthorpe Limited | Wholesale & retail | 2024 |
| A-Z Horizon Ltd | Construction | 2023 |
| A.E.Cox Ltd | Wholesale & retail | 2024 |
| A.J Mini Express Ltd | Wholesale & retail | 2019 |
| A.J.S Pro Ltd | Wholesale & retail | 2023 |
| A.M.R. Industries Ltd. | Manufacturing | 2018 |
| A.O. Price & Co. Limited | Construction | 1957 |
| A1 Cars North Lincs Ltd | Transport & logistics | 2023 |
| A1 Properties North Lincs Ltd | Real estate | 2026 |
| A2Z Motorparts Limited | Wholesale & retail | 2018 |
| A2Z Pound Plus Bargain Ltd | Wholesale & retail | 2025 |
| AA Medical Consulting Ltd | Health & social care | 2025 |
| Aabs Transport Services Ltd | Transport & logistics | 2022 |
| Aajk Ltd | Hospitality | 2026 |
| Aaks Fastfood Ltd | Hospitality | 2017 |
| AAR Imports Limited | Administrative & support | 2025 |
| Aardvark Digital Ltd | Information & communication | 2020 |
| Aaron Mcfeely Ltd | Professional & scientific | 2015 |
| AB Clearance & Property Services Ltd | Water & waste | 2026 |
| AB Plant Engineering Ltd | Professional & scientific | 2022 |
| AB Security Solutions Ltd | Administrative & support | 2021 |
| Abbey Cars 1 Ltd | Transport & logistics | 2025 |
| Abbey Personnel Training Services Limited | Professional & scientific | 2012 |
| Abbie Dennison Fitness Limited | Other services | 2023 |
| Abecora Ltd | Real estate | 2026 |
| Abey Air Conditioning Limited | Construction | 2008 |
| Abey Engineering Solutions Limited | Manufacturing | 2021 |
| Abey Group Limited | Other services | 2020 |
| Abey Homes Limited | Real estate | 2019 |
| Abey Inns (Black Horse) Limited | Hospitality | 2020 |
| Abey Plumbing & Heating Limited | Construction | 2015 |
| ABH Tattooing Limited | Administrative & support | 2024 |
| Abiramy Food City Ltd | Wholesale & retail | 2026 |
| Abiwhit Healthcare Ltd | Health & social care | 2020 |
| Ablott Technology Limited | Information & communication | 2009 |
| ABM NDT Ltd | Professional & scientific | 2018 |
| ABW Sonography Limited | Health & social care | 2023 |
| AC Education Services Ltd | Education | 2023 |
| ACA Aesthetics Ltd | Other services | 2024 |
| Academy for Board Training Ltd | Education | 2021 |
| Access & COE Ltd | Construction | 2022 |
| Access ENT Ltd | Administrative & support | 2023 |
| Access Lincs Limited | Administrative & support | 2020 |
| Accomedge Ltd | Hospitality | 2025 |
| Accountancy Compliance Solutions (UK) Limited | Professional & scientific | 2018 |
| Accountancy Masters Ltd | Professional & scientific | 2022 |