| "Clarejon" Jewellery & Accessories L.P. | | 2017 |
| 0-1 Studio Ltd | Information & communication | 2023 |
| 01 Twenty-First Century Homes Ltd | Real estate | 2020 |
| 011 Creative Ltd | Professional & scientific | 2025 |
| 02 Twenty-First Century Homes Ltd | Real estate | 2020 |
| 03 Twenty-First Century Homes Ltd | Real estate | 2020 |
| 04 Twenty-First Century Homes Ltd | Real estate | 2020 |
| 07K Ltd | Information & communication | 2009 |
| 1 & 2'S LOO Hire Ltd | Other services | 2024 |
| 1 1 MTD Bridge Limited | Information & communication | 2025 |
| 1 College Mews Ltd | Real estate | 2020 |
| 1 DRA Baba YE Ltd | Hospitality | 2020 |
| 1 Perham Road Limited | Hospitality | 2005 |
| 1 Send Road Management Company Limited | Households | 2019 |
| 1 ST Martin's Road RTM Company Limited | Households | 2009 |
| 1-2-1 Walkies Ltd | Other services | 2015 |
| 1-9 KR Property Management Limited | Households | 2021 |
| 1-FIX Limited | Information & communication | 2008 |
| 1-VIA Ltd | Manufacturing | 2019 |
| 10 Southern Court Ltd | Real estate | 2018 |
| 10 Tech Limited | Information & communication | 2021 |
| 100 Curzon Street Management Limited | Households | 2004 |
| 100% Comfort Ltd | Wholesale & retail | 2023 |
| 100WAYSTO100 Ltd | Health & social care | 2024 |
| 105 Supps UK Ltd | Wholesale & retail | 2023 |
| 109 Grovelands Road RTM Company Limited | Real estate | 2012 |
| 10GB Ltd | Information & communication | 2010 |
| 11 Oxford Road Cleveleys Limited | Real estate | 2022 |
| 11&11 Limited | Real estate | 2019 |
| 11-23 Swallows Croft Management Company Limited | Households | 2002 |
| 111 Cleaning Services Ltd | Administrative & support | 2025 |
| 111 Marjoram Walk Ltd | Real estate | 2020 |
| 112 London Street Ltd | Arts & recreation | 2020 |
| 115 Stormont Road Property Management Ltd | Extraterritorial | 1997 |
| 11MEN Fitness Ltd | Arts & recreation | 2024 |
| 11TEN Creative Ltd | Information & communication | 2025 |
| 12 Donnington Bridge Road Ltd | Households | 2025 |
| 120 Tilehurst Road Management Limited | Households | 2017 |
| 12083451 Limited | Extraterritorial | 2019 |
| 121 Performance Academy Limited | Extraterritorial | 2018 |
| 123 Castle Hill Ltd. | Real estate | 2007 |
| 124 Castle Hill Freehold Limited | Real estate | 2007 |
| 12SIDES Consultancy Limited | Information & communication | 2024 |
| 13 Eldon Square Freehold Limited | Real estate | 2003 |
| 13 Fairmile Management Limited | Households | 2005 |
| 13 Kingsgate Road Limited | Households | 2016 |
| 1313 Capital Investments Limited | Real estate | 2023 |
| 1313 Superstore Ltd | Wholesale & retail | 2022 |
| 134 Labs Limited | Professional & scientific | 2025 |
| 14 Argyle Street RTM Company Limited | Real estate | 2012 |
| 140 Pinkerton Road (MC) Limited | Households | 2007 |
| 14167 Films Ltd | Arts & recreation | 2011 |
| 1419 Limited | Real estate | 2020 |
| 142 Queens Park Road Brighton Limited | Households | 2005 |
| 15 Millennium Capital Ltd | Education | 2024 |
| 15 Squared Ltd | Information & communication | 2024 |
| 1553 Network Solutions Limited | Information & communication | 2014 |
| 156 Properties Ltd | Real estate | 2012 |
| 16 Hanover Street Development Company Limited | Construction | 2020 |
| 16 ST Annes RTM Company Ltd | Households | 2026 |
| 1610 Property Limited | Real estate | 2023 |
| 162 Southampton Street Ltd | Households | 2026 |
| 162 Wantage Road Management Company Limited | Households | 2010 |
| 164-166 Whitley Wood Road RTM Limited | Households | 2025 |
| 17 Mount Pleasant Road RTE Company Ltd | Real estate | 2013 |
| 17-23 King Street Reading Ltd | Real estate | 2023 |
| 170 Whitley Wood Road Reading Management Company Limited | Professional & scientific | 1989 |
| 1729 Ltd | Other services | 2010 |
| 1752 Limited | Financial services | 2024 |
| 181 Car Sale and Repairs Ltd | Wholesale & retail | 2023 |
| 19 Mason Street Freehold Limited | Real estate | 2009 |
| 19 Mason Street RTM Company Ltd | Households | 2023 |
| 19 Western Elms Residents Association Limited | Professional & scientific | 1987 |
| 1925 Limited | Information & communication | 2025 |
| 195 International Ltd | Other services | 2024 |
| 195 Network Limited | Construction | 2024 |
| 195 Telecom Limited | Information & communication | 2024 |
| 1960S Records Limited | Information & communication | 2016 |
| 1D Promotions Limited | Professional & scientific | 2022 |
| 1HQ Limited | Professional & scientific | 1993 |
| 1NSOURCE Ltd | Information & communication | 2023 |
| 1SELF Health Ltd | Information & communication | 2023 |
| 1ST Advanced Training Services Limited | Education | 2003 |
| 1ST Avenue Fashions Ltd | Wholesale & retail | 2024 |
| 1ST Choice Motors Limited | Wholesale & retail | 2026 |
| 1ST Financial Consultancy Ltd | Professional & scientific | 2015 |
| 1ST Land Trading Limited | Other services | 2022 |
| 1ST Mall Ltd | Wholesale & retail | 2021 |
| 1ST Reynolds Skip Hire Ltd | Transport & logistics | 2001 |
| 1ST Scaffolding (Berkshire) Ltd | Construction | 2011 |
| 1ST Solution Consulting Ltd. | Professional & scientific | 2015 |
| 1ST Stop Plumbing and Heating Limited | Construction | 2006 |
| 1ST Transport Innovation (Reading) Ltd | Wholesale & retail | 2014 |
| 1WORLD Xzibitz Limited | Administrative & support | 2013 |
| 2 Balance Ltd | Professional & scientific | 2008 |
| 2 Chefs Catering Ltd | Hospitality | 2020 |
| 2 College Mews Ltd | Real estate | 2022 |
| 2 Lyncroft Gardens Limited | Extraterritorial | 2012 |
| 2 M Virtual Learning Ltd | Professional & scientific | 2012 |
| 2 Market Place Wallingford Management Company Limited | Real estate | 2008 |