| 1808 Limited | Wholesale & retail | 2025 |
| 1874 Engineering Ltd | Professional & scientific | 2013 |
| 19 Cumberland Park Limited | Real estate | 2000 |
| 19 Melton Road RTE Company Limited | Real estate | 2009 |
| 19-21 Marketplace Ltd | Real estate | 2024 |
| 190 Bagnall Road Properties Limited | Real estate | 1989 |
| 1906 Limited | Construction | 2023 |
| 1924 Media Services Ltd | Information & communication | 2021 |
| 1958 Coffee House Limited | Wholesale & retail | 2023 |
| 198 Camberwell Grove Limited | Households | 2024 |
| 198 Finance Limited | Financial services | 2018 |
| 1989 Homes Ltd | Construction | 2026 |
| 1995HOLDINGS Limited | Financial services | 2015 |
| 19X98 Services Ltd | Information & communication | 2009 |
| 1AND4OVER7 Limited | Real estate | 2022 |
| 1BDM Holding Limited | Financial services | 2021 |
| 1BDM Limited | Professional & scientific | 2021 |
| 1DSON Limited | Information & communication | 2017 |
| 1GREEN (Leicester) Limited | Construction | 2024 |
| 1KC Barristers Chambers Ltd | Professional & scientific | 2018 |
| 1LWW Co Limited | Administrative & support | 2022 |
| 1NA (Draycott) Limited | Construction | 2023 |
| 1NA (Hollington) Limited | Construction | 2022 |
| 1NA (Mansfield Road) Limited | Real estate | 2012 |
| 1NA (Melton) Limited | Construction | 2013 |
| 1NA (Olive Grove) Limited | Construction | 2023 |
| 1NA 4 Limited | Real estate | 2024 |
| 1PJ Limited | Construction | 2025 |
| 1ST Accounting & Business Services Limited | Professional & scientific | 2012 |
| 1ST Architects Ltd | Construction | 2009 |
| 1ST Blood Empire Ltd | Arts & recreation | 2011 |
| 1ST Call Car Dealer Ltd | Wholesale & retail | 2025 |
| 1ST Call Refrigeration Ltd | Manufacturing | 2016 |
| 1ST Call UK Financial Services Ltd | Professional & scientific | 2024 |
| 1ST Choice Card Payments Ltd | Professional & scientific | 2022 |
| 1ST Choice Care Limited | Administrative & support | 2025 |
| 1ST Choice Travel Agents Ltd | Transport & logistics | 2024 |
| 1ST Class Accident Repairs Ltd | Wholesale & retail | 2026 |
| 1ST Coatings Limited | Extraterritorial | 2017 |
| 1ST Driving School Limited | Education | 2015 |
| 1ST Fiftyfive UK Ltd | Wholesale & retail | 2025 |
| 1ST Galaxy Group Limited | Wholesale & retail | 1999 |
| 1ST Intensive Driving Ltd | Education | 2025 |
| 1ST Pass Driving School Ltd | Education | 2026 |
| 1ST Specialist Services Limited | Extraterritorial | 2017 |
| 1ST Tech Solutions Limited | Information & communication | 2017 |
| 1STOP MOT Centre Ltd | Wholesale & retail | 2013 |
| 1TO8COACHING Ltd | Education | 2025 |
| 1TUFF Limited | Health & social care | 2020 |
| 1WAYSALAH Ltd | Wholesale & retail | 2026 |
| 2 Belle VUE Limited | Extraterritorial | 2013 |
| 2 Burns Street Management Company Limited | Households | 2003 |
| 2 Care 4 U & Make a Difference Ltd | Health & social care | 2024 |
| 2 Counties Training Ltd | Other services | 2017 |
| 2 Cucina Beeston Limited | Hospitality | 2025 |
| 2 FD Limited | Construction | 2020 |
| 2 Hanover Road Weymouth Limited | Households | 1994 |
| 2 LAU Limited | Construction | 2010 |
| 2 Lesbians Worldwide Ltd | Arts & recreation | 2025 |
| 2 Oaks Properties Ltd | Households | 2022 |
| 2 Red Housing Ltd | Real estate | 2014 |
| 2 Shiekhs Holdco Limited | Health & social care | 2026 |
| 2 Siblings Ltd | Wholesale & retail | 2023 |
| 2 Surface (London) Limited | Manufacturing | 2013 |
| 2 Surface Leather Ltd | Manufacturing | 2012 |
| 2 Wellington Circus Limited | Households | 2003 |
| 2&B Ltd | Construction | 2019 |
| 2-8 Sharp Close (Ilkeston) Limited | Households | 2023 |
| 2.3 Cymbeline House Ltd | Hospitality | 2022 |
| 20 Barrack Lane Limited | Professional & scientific | 1995 |
| 20-20 Off-Site Limited | Professional & scientific | 2018 |
| 20-SIX Limited | Wholesale & retail | 2016 |
| 200 Derby Road Management Ltd | Real estate | 2016 |
| 2000NET.COM Limited | Information & communication | 2000 |
| 2020 FHL Ltd | Construction | 1995 |
| 2020 Vision Business Services Limited | Professional & scientific | 2026 |
| 2020 Vision Group Limited | Financial services | 2020 |
| 2024 Good Food Gamston Ltd | Hospitality | 2024 |
| 2025 Ventures Private Limited | Hospitality | 2023 |
| 206 Derby Road Limited | Construction | 2016 |
| 206 Mansfield Road Nottingham Management Company Limited | Real estate | 1990 |
| 20FYPM Limited | Wholesale & retail | 2021 |
| 21 Barker Gate Management Company Limited | Households | 1999 |
| 211ABC Ltd | Real estate | 2021 |
| 219 New North Road Property Management Company Limited | Real estate | 2009 |
| 21ST Century Waste Solutions Ltd | Water & waste | 2022 |
| 21ST Healthcare Solutions Limited | Other services | 2014 |
| 22 Degree Media Ltd | Information & communication | 2021 |
| 22 Hartley Down Owners Ltd | Real estate | 2022 |
| 22 Oxford Road (Freehold) Limited | Households | 2019 |
| 22 Solutions Group Limited | Wholesale & retail | 2025 |
| 22 Tudor Square Ltd | Hospitality | 2019 |
| 22-25 Portman Close Management Limited | Real estate | 1937 |
| 226 Derby Road Management Company Limited | Households | 2020 |
| 23 BIO Labs Ltd | Professional & scientific | 2026 |
| 24 Progressive Limited | Construction | 2000 |
| 24 Property Group Ltd | Real estate | 2025 |
| 24-7 Executive Cars Limited | Transport & logistics | 2012 |
| 24-7 Scaffolding Services Limited | Construction | 2012 |
| 24-7 Secure Systems Ltd | Administrative & support | 2023 |