| 'R' Buddy Limited | Administrative & support | 2012 |
| 00150707 Limited | | 1918 |
| 01344960 Limited | Construction | 1977 |
| 01566455 Limited | Wholesale & retail | 1981 |
| 01694946 Limited | Manufacturing | 1983 |
| 01811480 Limited | Manufacturing | 1984 |
| 01945695 Limited | Information & communication | 1985 |
| 03 Services Ltd | Administrative & support | 2025 |
| 03395871 Limited | Construction | 1997 |
| 04096350 Limited | Professional & scientific | 2000 |
| 04287661 Limited | Construction | 2001 |
| 04932802 Limited | Manufacturing | 2003 |
| 06376775 Ltd | Hospitality | 2007 |
| 06377227 Limited | Construction | 2007 |
| 08373021 Ltd | Hospitality | 2013 |
| 09494683 Ltd | | 2015 |
| 1 a S T Limited | Health & social care | 2014 |
| 1 AST Properties Limited | Real estate | 2022 |
| 1 Elite Services Ltd | Construction | 2026 |
| 1 Fire Safety Solution Ltd | Professional & scientific | 2018 |
| 1 Pass Holdings Limited | Real estate | 2024 |
| 1 Pencil Limited | Construction | 2020 |
| 1 Pro Maintenance Services Limited | Construction | 2026 |
| 1 Pro Services Ltd | Construction | 2026 |
| 1 Solution Group Ltd | Professional & scientific | 2015 |
| 10 Automotive Ltd | Transport & logistics | 2024 |
| 10 Past 12 Records Limited | Information & communication | 2003 |
| 10 Richmond Freehold Management Ltd | Households | 2020 |
| 100 Climbs Limited | Information & communication | 2014 |
| 102 Denbigh Street (Freehold) Limited | Households | 2008 |
| 103-105 Limited | Information & communication | 2022 |
| 104 Films (Film Nation) Limited | Information & communication | 2011 |
| 108 Broomgrove Limited | Real estate | 2015 |
| 10TH Planet Design Limited | Professional & scientific | 2003 |
| 11 Eleven Ltd | Other services | 2025 |
| 11 Plus Services Ltd | Education | 2021 |
| 1101 Limited | Information & communication | 2009 |
| 113 Bole Hill Lane Management Company Limited | Households | 2023 |
| 113 Tressillian Road Freehold Limited | Households | 2017 |
| 11:11 Care Services Ltd | Health & social care | 2025 |
| 12 O’Clock Management Ltd | Real estate | 2023 |
| 12 Sunrise Drive Limited | Hospitality | 2025 |
| 121 Castle Road Management Limited | Households | 2020 |
| 121 Education Services Ltd | Education | 2025 |
| 121 IT Services Limited | Manufacturing | 2003 |
| 121DESIGNERS Ltd | Information & communication | 2023 |
| 121Q Ltd | Wholesale & retail | 2024 |
| 1228PROPERTIES Ltd | Real estate | 2024 |
| 124 Marlborough Road London Limited | Administrative & support | 2001 |
| 12C Calvert Croft Limited | Hospitality | 2025 |
| 130 Elektra Films Ltd. | Information & communication | 2015 |
| 131CONSULTANTS Ltd | Information & communication | 2025 |
| 13292756 Ltd | Administrative & support | 2021 |
| 13569476 Ltd | Construction | 2021 |
| 136 Ramsay Road Ltd | Households | 2019 |
| 136, Psalter Lane Management Company Limited | Real estate | 2009 |
| 14 Forbes Ltd | Wholesale & retail | 2019 |
| 14 Gladstone Road Management Company Limited | Households | 1995 |
| 1411 Limited | Professional & scientific | 2026 |
| 147 Property Services Limited | Households | 2025 |
| 15 Poppy Place RTM Company Limited | Households | 2020 |
| 15 Wyndham Street East Limited | Households | 2005 |
| 150316 Ltd | Information & communication | 2024 |
| 15NS Limited | Households | 2023 |
| 16 Stanwick Road Management Company Limited | Households | 2000 |
| 1607 Capital Partners Limited | Financial services | 2017 |
| 165 West Street Limited | Real estate | 2009 |
| 16627225 Ltd | Information & communication | 2025 |
| 16933001 Ltd | Hospitality | 2026 |
| 16K Media Limited | Information & communication | 2021 |
| 180 Degrees Consulting Sheffield CIC | Professional & scientific | 2024 |
| 180615 Ltd | Real estate | 2025 |
| 187 Providence Road Management Company Ltd | Households | 2026 |
| 1889 Aesthetics Studio Ltd | Other services | 2024 |
| 1889 Property Group Ltd | Real estate | 2026 |
| 19 Hunter RD Management Ltd | Households | 2021 |
| 197 Coppermill Lane Management Company Limited | Households | 2021 |
| 1GCC Investments Limited | Real estate | 2011 |
| 1GCC Limited | Construction | 2002 |
| 1LUMIN Ltd | Health & social care | 2025 |
| 1NFINITY Fitness Limited | Arts & recreation | 2023 |
| 1NFINITY Limited | Arts & recreation | 2023 |
| 1SHARPE Loans UK Limited | Administrative & support | 2025 |
| 1ST Call Car Security Ltd | Wholesale & retail | 2014 |
| 1ST Call Electrical Ltd | Professional & scientific | 2021 |
| 1ST Call GAS Services Limited | Construction | 2004 |
| 1ST Call Property Rentals Limited | Real estate | 2018 |
| 1ST Call Renewable Services Ltd | Construction | 2026 |
| 1ST Call Services Group Ltd | Financial services | 2024 |
| 1ST Callcom Limited | Information & communication | 2000 |
| 1ST Choice Hire Van & Car Ltd | Administrative & support | 2017 |
| 1ST Clas Ceiling and Partition Specialists Limited | Construction | 2013 |
| 1ST Class Roofing & Building Ltd | Construction | 2012 |
| 1ST Class Solutions Limited | Construction | 2020 |
| 1ST Class Tiling Ltd | Construction | 2022 |
| 1ST Class Transport (UK) Limited | Transport & logistics | 2009 |
| 1ST Field Properties and Management Limited | Real estate | 2003 |
| 1ST of July Limited | Transport & logistics | 2025 |
| 1ST Principals Ltd | Administrative & support | 2025 |
| 1ST Professional Rentals Ltd | Real estate | 2026 |