| 24-38 Green Lane Holdings Ltd | Financial services | 2020 |
| 24-7 Auto Keys Ltd | Other services | 2023 |
| 24-7 Emergency Plumbing and Heating Ltd | Construction | 2026 |
| 24-7 Emergency Plumbing Limited | Construction | 2021 |
| 24-7 Emergency Services Ltd | Other services | 2026 |
| 24-7 Entertainment Ltd | Hospitality | 2014 |
| 24-7 Global Prayerline Ltd | Other services | 2014 |
| 24-7 Law Limited | Extraterritorial | 2013 |
| 24-7 REC Services 119 Limited | Administrative & support | 2016 |
| 24-7 Response Group Ltd | Professional & scientific | 2021 |
| 24-MAG Ltd | Extraterritorial | 2023 |
| 24.7 Fans . COM Ltd | Manufacturing | 2019 |
| 24.8.2024 Limited | Financial services | 2024 |
| 24/25 Stanley Crescent Management Limited | Households | 1986 |
| 24/26 Breakspears Road Limited | Real estate | 2003 |
| 24/26 Cleveland Square Management Limited | Real estate | 1989 |
| 24/26 Colney Hatch Lane Freehold Company Ltd | Households | 2019 |
| 24/6 Limited | Information & communication | 2012 |
| 24/7 AI Limited | Information & communication | 2026 |
| 24/7 Alpha Mobile Tyre Service Ltd | Wholesale & retail | 2025 |
| 24/7 Bike Hire Limited | Administrative & support | 2024 |
| 24/7 Billing Limited | Wholesale & retail | 2023 |
| 24/7 Blocked Drains Ltd | Water & waste | 2024 |
| 24/7 Boilers Plumbing & Heating Ltd | Construction | 2025 |
| 24/7 Building Ltd | Construction | 2025 |
| 24/7 Cars Specialist Ltd | Wholesale & retail | 2026 |
| 24/7 Catering Management Services Ltd | Hospitality | 2014 |
| 24/7 Center Care Ltd | Administrative & support | 2022 |
| 24/7 City Plumbing Limited | Construction | 2026 |
| 24/7 Climate Solution Ltd | Energy | 2025 |
| 24/7 Convenience Shop (UK) Ltd | Wholesale & retail | 2019 |
| 24/7 Day & Knight Drainage Ltd | Administrative & support | 2026 |
| 24/7 Distribution Ltd | Wholesale & retail | 2026 |
| 24/7 Divine Healthcare Limited | Administrative & support | 2022 |
| 24/7 Drain Guard Ltd | Construction | 2024 |
| 24/7 Drain Services Limited | Water & waste | 2026 |
| 24/7 Emergency Electrician London Ltd | Construction | 2020 |
| 24/7 Facilities Support Ltd | Administrative & support | 2025 |
| 24/7 Fleet Cleaning Limited | Wholesale & retail | 2025 |
| 24/7 for U Ltd | Wholesale & retail | 2025 |
| 24/7 Home & Maintenance Solutions Ltd | Administrative & support | 2024 |
| 24/7 Home Repairs Ltd | Construction | 2025 |
| 24/7 London (GRP) UK Ltd | Information & communication | 2012 |
| 24/7 London City Ltd | Transport & logistics | 2011 |
| 24/7 London Facilities Ltd | Construction | 2026 |
| 24/7 Luna Care Limited | Administrative & support | 2021 |
| 24/7 Oliver Limited | Wholesale & retail | 2015 |
| 24/7 Online Group Ltd | Wholesale & retail | 2026 |
| 24/7 Plumbing & GAS (UK) Limited | Construction | 2013 |
| 24/7 Plumbing Rescue Ltd | Construction | 2025 |
| 24/7 Postal Limited | Transport & logistics | 2020 |
| 24/7 Powerup Electrical Ltd | Construction | 2024 |
| 24/7 Productions (UK) Ltd | Administrative & support | 2002 |
| 24/7 Property Services (COV) Ltd | Construction | 2020 |
| 24/7 Protection Services Ltd | Other services | 2026 |
| 24/7 Quick Removal Limited | Wholesale & retail | 2015 |
| 24/7 Repair Solutions Ltd | Construction | 2025 |
| 24/7 Road Assist Group Ltd | Transport & logistics | 2026 |
| 24/7 Roofing Group Ltd | Construction | 2025 |
| 24/7 Security UK Limited | Administrative & support | 2003 |
| 24/7 Service Hub Ltd | Professional & scientific | 2023 |
| 24/7 Shipping Limited | Transport & logistics | 2013 |
| 24/7 Skilful Services Ltd | Construction | 2019 |
| 24/7 Solar Ltd | Energy | 2018 |
| 24/7 Staffing Solutions Limited | Administrative & support | 2009 |
| 24/7 Steam Ltd | Other services | 2019 |
| 24/7 Support Care for YOU Ltd | Health & social care | 2024 |
| 24/7 Tradespeople Ltd | Information & communication | 2020 |
| 24/7 Tyre Services Limited | Wholesale & retail | 2025 |
| 24/7 UK Mobile Tyres Ltd | Transport & logistics | 2025 |
| 24/7 Vehicle Solutions Ltd | Wholesale & retail | 2016 |
| 24/7PRIME Delivery Ltd | Transport & logistics | 2025 |
| 24/7REMOVELSERVICE Ltd | Transport & logistics | 2025 |
| 24/7RESPONSE Care Limited | Administrative & support | 2019 |
| 24/8 Impact CIC | Health & social care | 2026 |
| 240 Blackfriars Road Limited Partnership | | 2011 |
| 240 Croxted Road Limited | Households | 2007 |
| 240 Portobello Ltd | Professional & scientific | 2019 |
| 240 Randolph Avenue Management Company Limited | Real estate | 1994 |
| 240 South Norwood Hill Ltd | Households | 2022 |
| 240 Upper Richmond Investments Ltd | Other services | 2020 |
| 240 Westbourne Park Road Limited | Real estate | 1999 |
| 240/244 Old Brompton Road Management Limited | Households | 2001 |
| 2400 Law Ltd | Professional & scientific | 2021 |
| 2402 Consulting Ltd | Professional & scientific | 2026 |
| 2402 Ltd | Professional & scientific | 2025 |
| 2407 Ltd | Arts & recreation | 2024 |
| 241 Acton Lane Limited | Administrative & support | 2007 |
| 241 Chester Estates Ltd | Real estate | 2025 |
| 241 Finance Limited | Professional & scientific | 2023 |
| 241 New North Road Management Company Limited | Real estate | 2014 |
| 241 Prop Ltd | Real estate | 2024 |
| 241 Royal College Street Limited | Real estate | 2005 |
| 241/243 Fulham Palace Road Limited | Households | 1977 |
| 241/243 Queenstown Road Management Company Limited | Real estate | 2009 |
| 2410 Holdings Ltd | Financial services | 2024 |
| 24122 Real Estate Limited | Real estate | 2025 |
| 242 Caledonian Freehold Ltd | Real estate | 2025 |
| 242 Finchley Road Limited | Households | 2001 |
| 242 Legend Barbers Ltd | Other services | 2023 |