| Kent Restaurant Services Ltd | Hospitality | 2019 |
| Kent Sales.Shop Ltd | Wholesale & retail | 2020 |
| Kent Sash Windows Ltd | Construction | 2013 |
| Kent Scaffolding Limited | Construction | 2020 |
| Kent School of Beauty Ltd | Other services | 2011 |
| Kent Sectional Buildings Limited | Manufacturing | 2023 |
| Kent Security Dogs Ltd | Administrative & support | 2017 |
| Kent Shisha Ltd | Hospitality | 2025 |
| Kent Sports Academy Limited | Education | 2013 |
| Kent Sports Fitness Limited | Arts & recreation | 2023 |
| Kent Sports Holdings Limited | Financial services | 2023 |
| Kent Sports Injury & Rehab Limited | Other services | 2023 |
| Kent Structures Ltd | Construction | 2014 |
| Kent Surfacing Contractors Limited | Construction | 2016 |
| Kent Tax Advisers Limited | Professional & scientific | 2026 |
| Kent Taxis Ltd | Transport & logistics | 2020 |
| Kent Tractors Holdings Ltd | Financial services | 2025 |
| Kent Tractors Limited | Administrative & support | 2001 |
| Kent Training Associates Ltd | Professional & scientific | 2018 |
| Kent Trophies Ltd | Wholesale & retail | 2019 |
| Kent Truck Hire Ltd | Administrative & support | 2025 |
| Kent Turf Ltd | Administrative & support | 2020 |
| Kent Turkeys Limited | Agriculture & fishing | 2013 |
| Kent Valley Construction Limited | Construction | 1998 |
| Kent Vehicle Repairs Ltd | Wholesale & retail | 2025 |
| Kent Wedding Chapel Limited | Hospitality | 2018 |
| Kent Wildlife Hospital CIC | Other services | 2025 |
| Kent Workplace Solutions Ltd | Administrative & support | 2019 |
| Kent-Commerce-&-Electronics Ltd | Wholesale & retail | 2024 |
| Kentish BUS & Coach Company Limited | Extraterritorial | 2025 |
| Kentish TC Limited | Hospitality | 2018 |
| Kentish Transport Ltd | Transport & logistics | 2022 |
| Kentkairali Limited | Arts & recreation | 2025 |
| Kentland Reclamation Limited | Construction | 1979 |
| Kentmotorcare Ltd | Wholesale & retail | 2021 |
| Kentstone Properties Limited | Real estate | 1862 |
| Kentstone Residential Limited | Real estate | 2014 |
| Kentwone Limited | Professional & scientific | 2023 |
| Kent’S Best Landscapers Limited | Administrative & support | 2019 |
| Kerensa Jewellery Ltd | Professional & scientific | 2024 |
| Kerry Healthcare Ltd | Public administration | 2024 |
| Kersdown Limited | Construction | 1986 |
| Kerv Signal Engineering Ltd | Manufacturing | 2025 |
| KES Draughting Ltd | Professional & scientific | 2017 |
| Kettlebell Health and Fitness Ltd | Arts & recreation | 2024 |
| Kevin & Pink Nail Bar LLP | | 2021 |
| Kevin Cross Case Management Ltd | Health & social care | 2019 |
| Kevin Davies Building Services Limited | Construction | 2007 |
| Kevin Harris Promotional Graphics Limited | Professional & scientific | 2002 |
| Kevin Hort Building & Landscaping Ltd | Construction | 2020 |
| KEW Workshop Co. Limited(The) | Other services | 1978 |
| Key Accounts Ltd | Wholesale & retail | 2002 |
| Key Greens Productions Limited | Administrative & support | 2022 |
| Key Property Solutions Guaranteed Ltd | Real estate | 2020 |
| Keyo Travels Limited | Financial services | 2017 |
| Keyol Limited | Information & communication | 2025 |
| Keys Highways Limited | Construction | 2021 |
| Keystone Marine and Logistics Limited | Hospitality | 2022 |
| KG Roofing Ltd | Construction | 2026 |
| KGK Engineering Ltd | Professional & scientific | 2023 |
| KGO Group Ltd | Wholesale & retail | 2021 |
| KH Builder Ltd | Construction | 2015 |
| KH Events Ltd. | Other services | 2014 |
| Khaja Station Ltd | Hospitality | 2023 |
| Khans Consultancy Ltd | Professional & scientific | 2020 |
| Khans Property Ltd | Real estate | 2025 |
| Khee London Limited | Wholesale & retail | 2025 |
| Khepri Coffee Ltd | Manufacturing | 2025 |
| KHI Visuals Ltd | Information & communication | 2023 |
| Khoo and Chan Ltd | Real estate | 2017 |
| Khoo Commerce Limited | Information & communication | 2022 |
| Khoo Seller Limited | Information & communication | 2007 |
| Khoo Systems Limited | Information & communication | 2000 |
| Khural Capital Holdings Limited | Financial services | 2025 |
| Kibo Solutions Ltd | Information & communication | 2016 |
| Kidde International Limited | Professional & scientific | 2000 |
| Kidde Limited | Professional & scientific | 2000 |
| Kidde Products Limited | Manufacturing | 2002 |
| Kidde Securities Limited | Administrative & support | 2003 |
| Kidz Enterprise Limited | Arts & recreation | 2002 |
| Kielen Aesthetics Ltd | Other services | 2025 |
| KIG Group Forwarding Limited | Transport & logistics | 2025 |
| Kihto Healthcare Ltd | Health & social care | 2011 |
| Kiki's Flame Limited | Wholesale & retail | 2025 |
| Kikuwi Management Limited | Real estate | 2020 |
| Kilark Consulting Ltd | Information & communication | 2021 |
| Kilark Real Estates Ltd | Construction | 2021 |
| KIM Remedial Services Limited | Administrative & support | 2024 |
| Kinaya Medics Ltd | Health & social care | 2024 |
| Kind Clarity Ltd | Professional & scientific | 2014 |
| Kinda Care Services Ltd | Health & social care | 2019 |
| Kinda Clinic Ltd | Health & social care | 2025 |
| Kindred Energy Ltd | Professional & scientific | 2025 |
| Kindred Kitchen Ltd | Hospitality | 2025 |
| Kindred Path Limited | Health & social care | 2020 |
| Kindron Ltd | Information & communication | 2025 |
| King Roofing Services Ltd | Construction | 2023 |
| Kingdom Agriculture and Landscaping Services Limited | Agriculture & fishing | 2020 |
| Kingdom Church Group Ltd | Wholesale & retail | 2024 |
| Kingdom Contracting Services Ltd | Construction | 2011 |