| A K Brett Consultancy Limited | Real estate | 2020 |
| A K Brickwork Contractors Ltd | Construction | 2021 |
| A K Broyd Consultancy Limited | Professional & scientific | 2022 |
| A K Building Ltd | Administrative & support | 2021 |
| A K Building Solutions (London) Ltd | Administrative & support | 2017 |
| A K Concept Ltd | Construction | 2025 |
| A K Cooling Ltd | Construction | 2020 |
| A K Enterprise (London) Limited | Wholesale & retail | 2021 |
| A K Enterprise (ST Martins Hill) Limited | Wholesale & retail | 2003 |
| A K Express Ltd | Wholesale & retail | 2024 |
| A K Fast Foods Ltd | Hospitality | 2025 |
| A K Food & Wine Limited | Wholesale & retail | 2016 |
| A K Golden Fingers Ltd | Other services | 2019 |
| A K Grocer & Halal Meat Limited | Wholesale & retail | 2017 |
| A K Group Lounge Limited | Wholesale & retail | 2023 |
| A K H Consultants Limited | Other services | 2010 |
| A K Harriott Immigration Lawyers Ltd | Professional & scientific | 2019 |
| A K International Holdings Ltd | Financial services | 2020 |
| A K J Associates Limited | Administrative & support | 1999 |
| A K K Events Ltd | Hospitality | 2019 |
| A K Legal Consultancy Services Ltd | Education | 2025 |
| A K Management Consultancy Limited | Real estate | 2012 |
| A K Matrimonials Limited | Health & social care | 2023 |
| A K Meat & Groceries Ltd | Wholesale & retail | 2025 |
| A K Multi-Trades Ltd | Construction | 2024 |
| A K Phone Ltd | Wholesale & retail | 2014 |
| A K Private Elite Security Ltd | Administrative & support | 2022 |
| A K Property Developers Limited | Real estate | 2019 |
| A K S a Asset Management Limited | Real estate | 2017 |
| A K Subra & Co Ltd | Wholesale & retail | 2025 |
| A K Surveyors Limited | Wholesale & retail | 2007 |
| A K Waste Management Services Limited | Wholesale & retail | 2022 |
| A K Yousaf Ltd | Wholesale & retail | 2021 |
| A K9 Enterprise Ltd | Wholesale & retail | 2020 |
| A Kakavand Ltd | Professional & scientific | 2021 |
| A Kanungo Consulting Limited | Professional & scientific | 2021 |
| A KC Kitchens Limited | Hospitality | 2019 |
| A Keji Ltd | Households | 2024 |
| A Kenny Limited | Information & communication | 2017 |
| A Keshales Limited | Arts & recreation | 2018 |
| A Khan Holdings Ltd | Hospitality | 2017 |
| A Khan Property Ltd | Households | 2021 |
| A Kind Mind Ltd | Wholesale & retail | 2025 |
| A Kismet Collective Ltd | Administrative & support | 2025 |
| A Klemens & Associates Limited | Information & communication | 1998 |
| A Knight Communications Ltd | Professional & scientific | 2025 |
| A Knight Research Ltd | Information & communication | 2022 |
| A Kosher Ltd | Wholesale & retail | 2018 |
| A Krogh Consultancy UK PTE Ltd | Information & communication | 2013 |
| A Kynde Company Ltd | Financial services | 2026 |
| A L & Sons Limited | Real estate | 2015 |
| A L Alison Ltd | Manufacturing | 2018 |
| A L B Affiliate Marketing Ltd | Other services | 2025 |
| A L B Care Service Ltd | Health & social care | 2023 |
| A L Building Services Ltd | Construction | 2022 |
| A L Charles Limited | Professional & scientific | 2019 |
| A L Epstein Associates Ltd | Information & communication | 2014 |
| A L H Plumbing & Heating Services Limited | Construction | 2024 |
| A L Hairdressing Limited | Other services | 2003 |
| A L M Builders Limited | Real estate | 2019 |
| A L M Cottage Ltd | Wholesale & retail | 2019 |
| A L M Transport Limited | Extraterritorial | 2008 |
| A L Mailing Limited | Administrative & support | 2010 |
| A L Mayfair Property Limited | Real estate | 2024 |
| A L N Green Design Limited | Professional & scientific | 2026 |
| A L Projects and Developments Ltd | Construction | 2026 |
| A L Properties Limited | Real estate | 2000 |
| A L Rent Rooms Ltd | Hospitality | 2020 |
| A L S Services Ltd | Construction | 2022 |
| A L Services Ltd | Health & social care | 2021 |
| A L White Ltd | Financial services | 2017 |
| A LA Art Ltd | Other services | 2024 |
| A LA Carte Care Limited | Other services | 2007 |
| A LA Carte Marketing Consulting Ltd | Professional & scientific | 2025 |
| A LA Carte Solutions Limited | Hospitality | 2018 |
| A LA Carte Tours and Events Ltd | Administrative & support | 2022 |
| A LA Claude Management Services Ltd | Real estate | 2021 |
| A LA Maison Limited | Hospitality | 2021 |
| A LA Mano - L'Ecole DES Creatifs LLP | | 2024 |
| A LA Mesa Ltd | Hospitality | 2017 |
| A LA Racine LLP | | 2024 |
| A LA Vieille Russie Limited | Wholesale & retail | 1993 |
| A Large Company Ltd | Information & communication | 2026 |
| A Lass & a LAD Ltd | Professional & scientific | 2024 |
| A Latter & Company (Manchester) Limited | Professional & scientific | 2002 |
| A Law-Consultant Ltd | Administrative & support | 2018 |
| A Lawless Agency Ltd | Administrative & support | 2020 |
| A Leads Facility Ltd | Wholesale & retail | 2026 |
| A Leaf Trading Ltd | Wholesale & retail | 2025 |
| A Leap of Leopards Limited | Manufacturing | 2016 |
| A LEG to Stand on UK Limited | Other services | 2019 |
| A Lethem Ltd | Information & communication | 2023 |
| A LEV Consulting Ltd | Wholesale & retail | 2025 |
| A Life at Work Ltd | Administrative & support | 2011 |
| A Life More Extraordinary Ltd | Information & communication | 2025 |
| A Life on Purpose Limited | Wholesale & retail | 2019 |
| A Light in the Dark Films Limited | Information & communication | 2011 |
| A Light of Hope Ltd | Education | 2026 |
| A Likkle Louder Limited | Information & communication | 2026 |
| A Limitless World Limited | Wholesale & retail | 2015 |