| 06562942 Ltd | Construction | 2008 |
| 1 Stop Upvc, Glazing & Building Supplies Limited | Wholesale & retail | 2023 |
| 10761645 Ltd | Information & communication | 2017 |
| 111 Invest Limited | Construction | 2015 |
| 11220212 Ltd | Information & communication | 2018 |
| 11557975 Ltd | Information & communication | 2018 |
| 13-15 Skinner Street Management Company Limited | Households | 2016 |
| 1626 Holdings Ltd | Real estate | 2026 |
| 17237044 Limited | Construction | 2026 |
| 1FRONTIER Ltd | Information & communication | 2020 |
| 1ST Degree Inventory Limited | Real estate | 2020 |
| 1ST Degree Lease Company Limited | Real estate | 2024 |
| 1ST Degree Student Accommodation Limited | Hospitality | 2009 |
| 1ST for Awarding Ltd | Education | 2019 |
| 1ST Windows Ltd | Construction | 2024 |
| 1XDH Grandchildrens Investments Limited | Real estate | 2023 |
| 2 Peckish Ltd | Hospitality | 2020 |
| 21ST Century Build Ltd | Other services | 2016 |
| 22 Wind Services Limited | Professional & scientific | 2024 |
| 2KBH Capital Holdings Ltd | Real estate | 2026 |
| 2KBH Properties Ltd | Real estate | 2023 |
| 2KBH Property Services Limited | Construction | 2025 |
| 2MW Heworth Ltd | Wholesale & retail | 2022 |
| 3 Circles Ltd | Wholesale & retail | 2009 |
| 3.13 | Health & social care | 1994 |
| 360 Height Projects Limited | Construction | 2019 |
| 360 Mainserv Ltd | Construction | 2023 |
| 360 Media Works Ltd | Manufacturing | 2020 |
| 3D Printing Playground Ltd | Manufacturing | 2021 |
| 3DMC Designs Ltd | Professional & scientific | 2014 |
| 3H Electrics Limited | Construction | 2017 |
| 3TEESHC Limited | Real estate | 2026 |
| 3WHOLESALE.SOURCING2 Limited | Wholesale & retail | 2024 |
| 4 Assurance Services Ltd | Professional & scientific | 2010 |
| 40 Winks Hospitality Ltd | Hospitality | 2024 |
| 40RTY Caversham Road Management Company Limited | Households | 2025 |
| 4FINANCE Group Ltd. | Financial services | 2021 |
| 4FINANCE Holding Ltd. | Financial services | 2021 |
| 4LIFE Properties Ltd | Real estate | 2023 |
| 4Q Healthcare Ltd | Health & social care | 2023 |
| 58 Services Ltd | Administrative & support | 2026 |
| 5A Management Ltd | Professional & scientific | 2024 |
| 6WAS9 Design Co. Ltd. | Professional & scientific | 2024 |
| 710 NDT Inspection Limited | Construction | 2014 |
| 804 Fone Hub Limited | Wholesale & retail | 2025 |
| 88RJS Limited | Information & communication | 2020 |
| 8AYO4 Ltd | Wholesale & retail | 2026 |
| 9 Netherford Road SW4 Management Company Limited | Real estate | 2008 |
| A E Scott Holdings Ltd | Real estate | 2020 |
| A & K White Ltd | Hospitality | 2023 |
| A & M Domestics Limited | Other services | 2008 |
| A & M Shaw & Co Ltd | Hospitality | 2025 |
| A & M Single PLY and Rooflines Ltd | Construction | 2017 |
| A a F Properties Ltd | Real estate | 2019 |
| A and D Housing Limited | Real estate | 2022 |
| A Banerjee Ltd. | Health & social care | 2010 |
| A Beacon of Hope CIC | Education | 2025 |
| A Czaja Transport Ltd | Transport & logistics | 2022 |
| A D CAD Ltd | Professional & scientific | 2015 |
| A E Scott & Co Limited | Professional & scientific | 2013 |
| A E Scott Holdings 2 Ltd | Real estate | 2023 |
| A I Motors Limited | Wholesale & retail | 2023 |
| A J Quality & Compliance Limited | Professional & scientific | 2018 |
| A Johnston Consultancy Limited | Professional & scientific | 2025 |
| A Jones Electrical Engineering Limited | Construction | 2014 |
| A Jones Investment Ltd | Hospitality | 2019 |
| A M Mortar Supplies Ltd | Wholesale & retail | 2023 |
| A Mathisen Logistics Ltd | Transport & logistics | 2025 |
| A Nelson Rail Services Ltd | Construction | 2015 |
| A P Brown Properties Ltd | Real estate | 2018 |
| A P Properties Redcar Ltd | Real estate | 2024 |
| A Property Limited | Real estate | 2005 |
| A Pullman Engineering Limited | Administrative & support | 2013 |
| A Smith Inspection Services Limited | Professional & scientific | 2018 |
| A T Abroad Limited | Manufacturing | 2024 |
| A&C Property Maintenance, Landscaping and Development Ltd | Administrative & support | 2021 |
| A&L Commercial & Residential Limited | Real estate | 2023 |
| A&P Gardiner Holdings Limited | Financial services | 2021 |
| A&R Leisure Limited | Hospitality | 2017 |
| A-Technologies Limited | Financial services | 2019 |
| A.B.S. Facades Ltd | Construction | 2018 |
| A.C. Independent Services Limited | Manufacturing | 2010 |
| A.L.T. Electrical Installations Ltd | Manufacturing | 2017 |
| A.Mac Electrical & Installations Ltd | Construction | 2023 |
| A.N.I Estates Ltd | Real estate | 2024 |
| A.S Properties NE Ltd | Real estate | 2025 |
| A.W.R. Alloy Wheel Refurbishment Ltd | Wholesale & retail | 2019 |
| A1 Luxor Ltd | Wholesale & retail | 2025 |
| A1 Properties (Sunderland) Ltd | Real estate | 2014 |
| A1 Take Away (NE) Ltd | Hospitality | 2024 |
| A1 Thornaby Limited | Arts & recreation | 2022 |
| A19 Properties Limited | Real estate | 2012 |
| A2H Heating Limited | Construction | 2024 |
| A2H Holdings Limited | Financial services | 2024 |
| A2H Property Investment Ltd | Real estate | 2024 |
| A3 Machines Limited | Wholesale & retail | 2007 |
| AA Energy Services Limited | Manufacturing | 2019 |
| AA Finance Management Ltd | Financial services | 2024 |
| AAA123 Properties Ltd | Real estate | 2021 |
| Aadhri Convenience Stores Ltd | Wholesale & retail | 2023 |