| 123 Digitally Ltd | Information & communication | 2021 |
| 123 Investments Limited | Professional & scientific | 2008 |
| 123 Leeds Limited | Wholesale & retail | 1984 |
| 123BAYSWATER Ltd | Other services | 2010 |
| 123NDEA Ltd | Real estate | 2024 |
| 124 Otley Road Limited | Real estate | 1997 |
| 12:00-TEN Limited | Professional & scientific | 2019 |
| 12AP Limited | Professional & scientific | 2023 |
| 12BB Ltd | Public administration | 2022 |
| 13 Bar Limited | Construction | 2019 |
| 13 Beach Lawn Ltd | Real estate | 2022 |
| 13 EPA Ltd | Wholesale & retail | 2023 |
| 130 CR Ltd | Real estate | 2024 |
| 1313 Infra Ltd | Real estate | 2025 |
| 13302161 Ltd | Wholesale & retail | 2021 |
| 1357 Developments Limited | Construction | 2021 |
| 13NOODLES Ltd | Hospitality | 2024 |
| 14 Day UK Ltd | Transport & logistics | 2019 |
| 14 Otley Old Road Management Company Limited | Hospitality | 2010 |
| 14 Park ROW Management Company Limited | Households | 1998 |
| 140 Otley Road Residents Association Limited | Real estate | 2001 |
| 147 Lounge Ltd | Arts & recreation | 2019 |
| 1485 Ltd | Professional & scientific | 2019 |
| 15 Dragon Parade ( Management ) Limited | Households | 2026 |
| 15 Dragon Parade Ltd | Other services | 2014 |
| 15/16 Moorland Road RTM Company Ltd | Households | 2025 |
| 15406039 Ltd | Information & communication | 2024 |
| 155 the Avenue, Alwoodley (Management Company) Ltd | Households | 2000 |
| 15587927 Limited | Households | 2024 |
| 15TEN15 Group Ltd | Administrative & support | 2009 |
| 16 Bar Music Limited | Extraterritorial | 2009 |
| 16 Bishop Ltd | Real estate | 2024 |
| 16 Nunroyd Road Ltd | Other services | 2024 |
| 16 Resourcing Ltd. | Administrative & support | 2015 |
| 16374954 Ltd | Manufacturing | 2025 |
| 164 Otley Road Management Company Limited | Households | 2000 |
| 16419722 Ltd | Hospitality | 2025 |
| 168 Briggate Ltd | Hospitality | 2020 |
| 168 Caixia Ltd | Hospitality | 2024 |
| 16KM (Leeds) Management Company Limited | Households | 2018 |
| 17 Berkeley Street (Flat 8) Limited | Real estate | 2023 |
| 17 Civils Ltd | Construction | 2017 |
| 17 Hertford Street Limited | Real estate | 2024 |
| 172 Oakwood CT Limited | Real estate | 2024 |
| 1785 Limited | Hospitality | 2019 |
| 18 Cambridge Street Management Company Limited | Households | 2006 |
| 1803 Training Ltd | Professional & scientific | 2019 |
| 1822 Properties Limited | Real estate | 2025 |
| 1865 Developments Limited | Construction | 2026 |
| 186K Limited | Information & communication | 2021 |
| 1873 Medical Limited | Wholesale & retail | 2015 |
| 189TEMPTATIONS Ltd | Hospitality | 2025 |
| 18SPORTS Limited | Information & communication | 2022 |
| 19 Hookstone Chase Management Company Limited | Extraterritorial | 2015 |
| 19-25 Sandiford Close Management Company Limited | Households | 2010 |
| 1903 Hooton Pagnell Ltd | Hospitality | 2022 |
| 191 BOW Road RTM Company Limited | Households | 2017 |
| 1986 Medical Consulting Limited | Health & social care | 2022 |
| 199 Agency Ltd | Information & communication | 2019 |
| 1991 Nails and Beauty Limited | Other services | 2025 |
| 1992 Events Limited | Administrative & support | 2025 |
| 1997 Investments Ltd | Real estate | 2025 |
| 19WS Ltd | Real estate | 2023 |
| 1AU Services Ltd | Real estate | 2023 |
| 1CLICKBATHROOMS Limited | Wholesale & retail | 2008 |
| 1CLICKWALLPAPERS Limited | Wholesale & retail | 2018 |
| 1CX Ltd | Information & communication | 2025 |
| 1E3X Limited | Professional & scientific | 2019 |
| 1ENERGY Group Limited | Energy | 2018 |
| 1HMG Ltd | Health & social care | 2023 |
| 1KTF Ltd | Hospitality | 2026 |
| 1MP Ltd | Wholesale & retail | 2020 |
| 1ST Ability Limited | Construction | 2009 |
| 1ST Choice S.O.M (Leeds) Ltd | Education | 2015 |
| 1ST Class Events Limited | Transport & logistics | 2000 |
| 1ST Class Property Ltd | Real estate | 2015 |
| 1ST Class Resolution Limited | Transport & logistics | 2019 |
| 1ST Class Roofing & Scaffolding Services Ltd | Construction | 2021 |
| 1ST Class Storage Ltd | Administrative & support | 2023 |
| 1ST Class Transport Solutions (UK) Ltd | Transport & logistics | 2012 |
| 1ST Class Yorkshire Holdings Limited | Transport & logistics | 2019 |
| 1ST Connection Networks Limited | Construction | 2017 |
| 1ST Defence Locksmiths Limited | Other services | 2016 |
| 1ST Impressions Painting & Decorating Ltd | Construction | 2022 |
| 1ST Locate (UK) Limited | Information & communication | 1999 |
| 1ST Motors Ltd | Wholesale & retail | 2026 |
| 1ST Place Properties Ltd | Real estate | 2021 |
| 1ST Plant Hire Ltd | Construction | 2007 |
| 1ST Resource Consultancy Ltd | Administrative & support | 2012 |
| 1ST Resource Ltd | Professional & scientific | 2006 |
| 1ST Response Cars Ltd | Transport & logistics | 2020 |
| 1ST Select Limited | Administrative & support | 2016 |
| 1ST Storage UK Limited | Construction | 2000 |
| 1ST Virtual PA Limited | Administrative & support | 2017 |
| 1ST Xtreme Cleaning Ltd | Administrative & support | 2025 |
| 1STEP Go Limited | Construction | 2018 |
| 1TIMETABLE Ltd | Information & communication | 2024 |
| 1VISIONART Ltd | Wholesale & retail | 2025 |
| 2 AA Construction Work Limited | Construction | 2022 |
| 2 Bobs Brewing Company Limited | Arts & recreation | 2011 |