| 1GLF Limited | Construction | 2019 |
| 1IN4 Ltd | Health & social care | 2022 |
| 1INSURER Holdings Limited | Professional & scientific | 2016 |
| 1INSURER Limited | Information & communication | 2015 |
| 1JEEPERS | Financial services | 2025 |
| 1KC Chambers LLP | Professional & scientific | 2020 |
| 1LOVEFOOD Ltd | Hospitality | 2024 |
| 1M Courier Ltd | Transport & logistics | 2020 |
| 1MILLIONJUICES Limited | Wholesale & retail | 2025 |
| 1MPACT Solutions Ltd | Administrative & support | 2024 |
| 1NDEX Ltd | Wholesale & retail | 2019 |
| 1OF1 Clothing Ltd | Wholesale & retail | 2025 |
| 1S 2 3RD World Projects & Consulting Ltd | Other services | 2023 |
| 1SA Recruitment Limited | Administrative & support | 2024 |
| 1ST 4 FUN Ltd | Information & communication | 2016 |
| 1ST Approach Taxi Hire Ltd | Administrative & support | 2024 |
| 1ST B'Ham Motors Ltd | Wholesale & retail | 2012 |
| 1ST Blinds for Choice Ltd | Wholesale & retail | 2017 |
| 1ST Call 4 Service Limited | Manufacturing | 2003 |
| 1ST Call Solar Ltd | Construction | 2026 |
| 1ST Capital Hire Ltd | Wholesale & retail | 2019 |
| 1ST Central Housing Ltd | Real estate | 2025 |
| 1ST Central Services Ltd | Health & social care | 2026 |
| 1ST Central Solutions Limited | Health & social care | 2025 |
| 1ST Choice Accountants Ltd | Professional & scientific | 2016 |
| 1ST Choice Auto Solutions Ltd | Wholesale & retail | 2025 |
| 1ST Choice Business Enterprise Limited | Real estate | 2020 |
| 1ST Choice Consultancy Ltd | Professional & scientific | 2020 |
| 1ST Choice Electrics Ltd | Energy | 2018 |
| 1ST Choice Leisure Ltd | Administrative & support | 2012 |
| 1ST Choice Property (Midlands) Ltd | Real estate | 2019 |
| 1ST Choice Property Maintenance Limited | Construction | 2014 |
| 1ST Choice Radio Cars Ltd | Transport & logistics | 2004 |
| 1ST Choice Shopfront Ltd | Construction | 2024 |
| 1ST Choice Store (Birmingham) Ltd | Wholesale & retail | 2024 |
| 1ST Choice Superseal Limited | Manufacturing | 1988 |
| 1ST Choice Umbrella Ltd | Administrative & support | 2018 |
| 1ST City Lettings Limited | Real estate | 2019 |
| 1ST Class Crockery Hire Ltd | Other services | 2013 |
| 1ST Class Driving School Limited | Education | 2009 |
| 1ST Class Financial Services Limited | Financial services | 2026 |
| 1ST Classs Cleaning Limited | Administrative & support | 2015 |
| 1ST Credit Management Ltd | Administrative & support | 2025 |
| 1ST Europe Trading Limited | Other services | 2017 |
| 1ST European Enterprises Limited | Wholesale & retail | 2021 |
| 1ST European Trading Limited | Wholesale & retail | 2021 |
| 1ST Grove Mill Management Company Limited(The) | Households | 1987 |
| 1ST in Energy Limited | Construction | 2013 |
| 1ST Key Ltd | Real estate | 2025 |
| 1ST LAB Limited | Professional & scientific | 2010 |
| 1ST Medical Ltd | Health & social care | 2026 |
| 1ST Place Business Travel Limited | Administrative & support | 2024 |
| 1ST Projects Limited | Information & communication | 2010 |
| 1ST Protection Solutions Ltd | Professional & scientific | 2024 |
| 1ST Reaction Academy Ltd | Arts & recreation | 2016 |
| 1ST Step Housing Ltd | Hospitality | 2023 |
| 1ST Supermarket Ltd | Wholesale & retail | 2026 |
| 1ST Support Ltd | Hospitality | 2017 |
| 1ST UK Services Limited | Administrative & support | 2022 |
| 1ST Vehicle Solutions Ltd | Wholesale & retail | 2015 |
| 1ST Weigh 2 Travel Limited | Wholesale & retail | 2010 |
| 1STCHOICE Connected Limited | Financial services | 2025 |
| 1STCLASSCHAUFFERING Limited | Administrative & support | 2023 |
| 1STGATE Limited | Wholesale & retail | 2025 |
| 1STPAYSGROUP Ltd | Administrative & support | 2025 |
| 1STPROPERTIESUK Ltd | Construction | 2020 |
| 1TD Limited | Other services | 2021 |
| 1TO1SALES Ltd | Administrative & support | 2025 |
| 1TON Ltd | Real estate | 2020 |
| 1TRM Limited | Wholesale & retail | 2024 |
| 1UK Fried Chicken Limited | Hospitality | 2023 |
| 1WAY Housing Ltd | Health & social care | 2024 |
| 1YCCEWOLF1 Limited | Transport & logistics | 2025 |
| 1YOU World Limited | Education | 2017 |
| 2 - 18 Walmead Croft RTM Company Limited | Households | 2021 |
| 2 AD (UK) Limited | Real estate | 2015 |
| 2 Agriculture Breeding Limited | Agriculture & fishing | 2025 |
| 2 Agriculture Farming Limited | Agriculture & fishing | 2023 |
| 2 Agriculture Growing Limited | Agriculture & fishing | 2006 |
| 2 Agriculture Holdings Limited | Financial services | 2025 |
| 2 Agriculture Milling Limited | Manufacturing | 2016 |
| 2 AH DEM Ltd | Wholesale & retail | 2022 |
| 2 Birds Group Ltd | Financial services | 2024 |
| 2 Brothers Dinning Ltd | Hospitality | 2022 |
| 2 Brothers Investment Ltd | Real estate | 2024 |
| 2 Brothers Kitchen Ltd | Wholesale & retail | 2022 |
| 2 Brothers Transport Ltd | Transport & logistics | 2024 |
| 2 CD Limited | Manufacturing | 2020 |
| 2 Diamonds Estates Ltd | Real estate | 2026 |
| 2 Fast 2 Couriers Ltd | Transport & logistics | 2024 |
| 2 Fellas Ltd | Transport & logistics | 2025 |
| 2 in 1 Limited | Extraterritorial | 2018 |
| 2 MAN Home Delivery Limited | Transport & logistics | 2016 |
| 2 Much Passion C.I.C. | Hospitality | 2016 |
| 2 PAY People Ltd | Professional & scientific | 2019 |
| 2 Pixmore Avenue Limited | Real estate | 2014 |
| 2 U Express Ltd | Transport & logistics | 2023 |
| 2 UK Fried Chicken Ltd | Hospitality | 2025 |
| 2-18 Spreadbury Close RTM Company Limited | Households | 2021 |
| 2-CAN Sales & Marketing Limited | Wholesale & retail | 2007 |