| 136 London Road Ltd | Real estate | 2025 |
| 3DAMI CIC | Education | 2014 |
| 4 Maintenance Engineering Ltd | Manufacturing | 2004 |
| 4 Maintenance Fabrication Limited | Extraterritorial | 2013 |
| 4 Maintenance.Org Ltd | Extraterritorial | 2011 |
| 4CALIBRATION Limited | Extraterritorial | 2013 |
| 75FX Limited | Information & communication | 2019 |
| A1 Business Services Limited | Administrative & support | 2015 |
| A1 Corporate Services Limited | Real estate | 2017 |
| A7 Padel Holding Ltd | Financial services | 2025 |
| Abbey Housing Ltd | Real estate | 2020 |
| Abelo Estates Limited | Construction | 2017 |
| ACA Real Estates Limited | Construction | 2020 |
| Adage Consulting Limited | Information & communication | 2007 |
| Adari Advisory Services Limited | Professional & scientific | 2025 |
| Adjuvo Consulting Ltd | Professional & scientific | 2018 |
| ADT Capital Ltd | Financial services | 2013 |
| Aertesian Limited | Hospitality | 2024 |
| Afforda Van Ltd | Administrative & support | 2025 |
| Alfred Kefford Ltd | Wholesale & retail | 2022 |
| Almanza Entertainment Ltd | Information & communication | 2024 |
| Altera Real Estate Partners Ltd | Real estate | 2025 |
| Amco Asset Management Ltd | Real estate | 2019 |
| Amsbi Ltd | Professional & scientific | 2018 |
| Anchal Media Limited | Professional & scientific | 2020 |
| AND Become Limited | Extraterritorial | 2021 |
| Anecdote AI Ltd | Professional & scientific | 2022 |
| Anthonykoskymanagement Ltd | Arts & recreation | 2024 |
| Aphr Solutions Limited | Administrative & support | 2010 |
| Appleby Loans Ltd | Other services | 2016 |
| Arcus Cloud Solutions Ltd | Information & communication | 2019 |
| Aristotlow Predictions Limited | Information & communication | 2026 |
| Arun Property Management Limited | Real estate | 2009 |
| Asett Capital Ltd | Administrative & support | 2017 |
| Ashville Homes Ltd. | Construction | 2000 |
| Astano Limited | Professional & scientific | 2022 |
| Atrium Consulting Limited | Information & communication | 2010 |
| Atrium Media Ltd | Professional & scientific | 2011 |
| Atrium Training Ltd | Information & communication | 2021 |
| Auchterarder Investments Limited | Financial services | 2023 |
| Aulakh Ltd | Real estate | 2019 |
| Aunty Jules Ltd | Education | 2023 |
| Aviada Agentic AI Solutions Ltd | Information & communication | 2026 |
| AWM Ventures Ltd | Information & communication | 2026 |
| B.I.D.S. Holdings Limited | Construction | 1987 |
| Badyal Property Investments Ltd | Real estate | 2020 |
| BAG Vibes Ltd | Other services | 2016 |
| Bajwa Associates Limited | Real estate | 2005 |
| Bajwa Enterprises Limited | Real estate | 2004 |
| Baker Oral Health Ltd | Health & social care | 2007 |
| Bansal Consulting Limited | Information & communication | 2012 |
| Barberbecca Limited | Other services | 2020 |
| Barton Wyatt Limited | Real estate | 2010 |
| Belgravia Plumbing Ltd | Extraterritorial | 2017 |
| Betterpoints International Limited | Other services | 2023 |
| Betterpoints Limited | Other services | 2010 |
| Birch Science Ltd | Professional & scientific | 2020 |
| Bireme Ltd | Professional & scientific | 2026 |
| Blackbird Rays Limited | Wholesale & retail | 2023 |
| Bluewater Investments Ltd | Real estate | 1999 |
| Bonham Homes Limited | Construction | 2026 |
| Boshcreps Ltd | Wholesale & retail | 2023 |
| Bright Enterprise Limited | Arts & recreation | 1999 |
| Bright Key Investments Ltd | Real estate | 2025 |
| Bright KEZ UK Ltd | Real estate | 2025 |
| BRS Athena Ltd | Professional & scientific | 2022 |
| BRU Property Limited | Real estate | 2017 |
| BSM Projects Limited | Health & social care | 2024 |
| Build With Hemp Ltd | Manufacturing | 2022 |
| C X B Marketing Ltd | Other services | 2024 |
| C&B Consultants Ltd | Other services | 2015 |
| Cadogan Living Ltd | Construction | 2021 |
| Calhoun Property Limited | Real estate | 2017 |
| Calvert LEE Limited | Professional & scientific | 2022 |
| Castlecrest Consultants Ltd | Professional & scientific | 2002 |
| Cavriglia Ltd | Administrative & support | 2024 |
| Chartlake Properties Limited | Construction | 2023 |
| Chloe Nails Box Ltd | Other services | 2025 |
| Chroma Spritz Ltd | Wholesale & retail | 2026 |
| Cielo Group Ltd | Financial services | 2016 |
| Citrine Ventures Limited | Information & communication | 2012 |
| City Temporary Works Ltd | Professional & scientific | 2019 |
| Claygate Developments Ltd | Construction | 2024 |
| Clearwater Property Management Ltd | Construction | 2022 |
| Cmyk Retail Solutions Limited | Manufacturing | 2012 |
| CN Pilates Ltd | Health & social care | 2026 |
| Codertonic Limited | Information & communication | 2013 |
| Computer Resource Limited | Administrative & support | 2001 |
| Corinthia Management Services (UK) Ltd | Households | 2020 |
| Corner Finance Limited | Professional & scientific | 2018 |
| Cornerstone Carpentry & Construction Limited | Manufacturing | 2024 |
| Creaser Consulting Ltd | Professional & scientific | 2019 |
| Crown Butchers & Fish Supplies Ltd | Wholesale & retail | 2019 |
| Cypo Consulting Ltd | Professional & scientific | 2025 |
| Dan's Turkish Barber Limited | Other services | 2023 |
| Dandi's Holdings Limited | Financial services | 2011 |
| David Hamilton Consultancy Ltd | Professional & scientific | 2023 |
| Davillgrove Limited | Real estate | 1986 |
| Dawn Hill Advisory Limited | Professional & scientific | 2025 |
| Dawn Hill Holding Company Limited | Financial services | 2024 |