| Contemporary Asset Management Ltd | Wholesale & retail | 2017 |
| Contour Green Limited | Professional & scientific | 2023 |
| Cooper Estates Commercial Limited | Construction | 2019 |
| Cooper Estates Developments Limited | Construction | 2014 |
| Cooper Estates Finance Limited | Financial services | 2019 |
| Cooper Estates Limited | Construction | 1933 |
| Cooper Estates Strategic Land Limited | Construction | 2014 |
| Copper Flow Design Ltd | Professional & scientific | 2024 |
| Copperville House Limited | Other services | 2011 |
| Corinthian Football Club | Arts & recreation | 2013 |
| Corinthian Land (West Kent) Limited | Administrative & support | 2015 |
| Corinthian Sports Club Limited | Arts & recreation | 1952 |
| Cornelius Creative Limited | Professional & scientific | 2020 |
| Cotch Studios Ltd | Information & communication | 2020 |
| Cpdg Limited | Health & social care | 2008 |
| Crossways Building Services Limited | Construction | 2005 |
| CT Building Contractors Ltd. | Construction | 2015 |
| Cuerpo Y Alma Ltd | Health & social care | 2022 |
| Cyberlinks Recruiting Ltd | Information & communication | 2016 |
| D & P Partnership (UK) Limited | Professional & scientific | 2008 |
| D & P Partnership Limited | Professional & scientific | 2015 |
| D K Exchange Limited | Financial services | 2012 |
| D R Clark Services LLP | | 2008 |
| D Thomas Limited | Wholesale & retail | 2003 |
| D&W Automotive Ltd | Wholesale & retail | 2017 |
| D.Baxter Windows & Doors Ltd | Construction | 2024 |
| D.R.Clark Consulting Services Limited | Construction | 1999 |
| DA3 Ltd | Hospitality | 2017 |
| Daddy Cool Consulting Ltd | Information & communication | 2002 |
| Dairsie Court Limited | Households | 1969 |
| Daisy Freehold Management Limited | Real estate | 2025 |
| Dale Court RTM Company Limited | Households | 2013 |
| Dallen Property Ltd | Real estate | 2017 |
| Damon Digital Ltd | Professional & scientific | 2025 |
| DAN Thomas & Co Limited | Real estate | 2020 |
| Darenth Construction Limited | Construction | 1984 |
| Dark Chisel Ltd | Construction | 2018 |
| Darker Tanning Ltd | Other services | 2025 |
| Darnley Square (Gravesend) Management Company Limited | Real estate | 2015 |
| Dart Properties London Limited | Construction | 2026 |
| Dartford Catering Services Ltd | Administrative & support | 2006 |
| Dazzlingstars Ltd | Education | 2015 |
| DBG Contracting Ltd | Professional & scientific | 2017 |
| DCP Properties Limited | Real estate | 2018 |
| DE Solutions Limited | Administrative & support | 2012 |
| Deadpunk Studios Ltd | Information & communication | 2019 |
| Deanson Court RTM Company Limited | Households | 2014 |
| Delatah Ltd | Information & communication | 2021 |
| Delta IOS Limited | Transport & logistics | 2007 |
| Demase Ltd | Wholesale & retail | 2018 |
| Denise Wright Nail Academy Limited | Other services | 2004 |
| DEP Flooring Limited | Construction | 2016 |
| Design IT Signs Limited | Professional & scientific | 2024 |
| DG Nivesa Ltd | Real estate | 2018 |
| Digital Caddies Limited | Information & communication | 2019 |
| Dilshad Trading Limited | Hospitality | 2023 |
| Diptimal Ltd | Information & communication | 2026 |
| DJ Building Maintenance Ltd | Professional & scientific | 2025 |
| DJT Marine Services Ltd | Transport & logistics | 2026 |
| DKA Scaffolding Limited | Construction | 2023 |
| DLS Kent Limited | Construction | 2022 |
| DNA Tiling Limited | Construction | 2014 |
| Dominion Healthcare Ltd | Health & social care | 2008 |
| Dominion Homes & Properties Ltd | Real estate | 2020 |
| Don's Tyres Ltd | Wholesale & retail | 2018 |
| DPC Construction London Ltd | Construction | 2019 |
| DPM Plumbing and Heating Limited | Construction | 2015 |
| DR Jasdeep Gill Ltd | Health & social care | 2014 |
| DR Nijjer Ltd | Health & social care | 2017 |
| Dreamie Events Limited | Other services | 2021 |
| Dreamie Teepees Limited | Other services | 2019 |
| DS Design Solutions Limited | Professional & scientific | 2009 |
| DTK Property Services Limited | Construction | 2014 |
| Dunton Green Ltd | Real estate | 2025 |
| Eagle Advisory Ltd | Professional & scientific | 2017 |
| EAT the Rainbow Ltd | Wholesale & retail | 2019 |
| ED Logistics (UK) Ltd | Transport & logistics | 2014 |
| Eddy Steady Go First AID Ltd | Public administration | 2025 |
| EEC Pet Services Ltd | Other services | 2023 |
| Electrical Solutions (Europe) Ltd | Construction | 2010 |
| Electricom Projects Ltd | Manufacturing | 2012 |
| Electrohiit Ltd | Arts & recreation | 2025 |
| Ellens Place Developments Limited | Construction | 2017 |
| Ellison Lift Services (UK) Limited | Manufacturing | 2007 |
| Ellison Lifts Limited | Professional & scientific | 2020 |
| Elmbright Associates Ltd | Professional & scientific | 2012 |
| Elmstead Heights Limited | Households | 2016 |
| Eltham Escape Rooms Ltd | Arts & recreation | 2018 |
| Emmett PR and Communications Ltd | Professional & scientific | 2021 |
| ENCHANTED3DSHOP Limited | Wholesale & retail | 2026 |
| Entertainment by AK Ltd | Wholesale & retail | 2026 |
| Equidream Limited | Agriculture & fishing | 2016 |
| Erazy Limited | Wholesale & retail | 2020 |
| Espresso FIX Limited | Manufacturing | 2013 |
| Esquire Construction Holdings Ltd | Financial services | 2023 |
| Esquire Construction Ltd | Administrative & support | 2016 |
| Esquire Developments Ltd. | Construction | 2011 |
| Essential Carpenter Tools Ltd | Manufacturing | 2023 |
| Ethnic Limited | Professional & scientific | 1999 |
| Ethos-Air Ltd | Construction | 2021 |