| Danes Court Estate (Oxshott) Residents Association Limited | Professional & scientific | 1988 |
| Daneshot Limited | Professional & scientific | 2022 |
| DANESHOT1 Limited | Real estate | 2021 |
| Daniel Isaac Interiors Ltd | Construction | 2019 |
| Daniel Kursa Oak Limited | Construction | 2015 |
| Daniell & SON Law Ltd | Professional & scientific | 2023 |
| Daniels Stores Ltd | Wholesale & retail | 2022 |
| Danlex Limited | Hospitality | 2022 |
| Danrik Consulting Limited | Professional & scientific | 2019 |
| Danscape Gardens Limited | Administrative & support | 2012 |
| DAP Consultants Limited | Information & communication | 1993 |
| Darey Management Consulting Ltd | Information & communication | 2016 |
| Dario Gracceva Ltd | Professional & scientific | 2026 |
| Dark Matter Digital Limited | Information & communication | 2001 |
| Dark Projects Ltd | Construction | 2020 |
| Dark Shark Film Ltd | Information & communication | 2021 |
| Darren Leahy Limited | Construction | 2018 |
| Dashan Oriential Medicine Clinic Ltd | Health & social care | 2006 |
| Dashtohelp Ltd | Health & social care | 2022 |
| Dastaan Limited | Hospitality | 2016 |
| Data Engineering Services Limited | Other services | 1991 |
| DATA4MATION Ltd | Information & communication | 2021 |
| Datanet (UK) Ltd | Professional & scientific | 1995 |
| DAV Trans Ltd | Transport & logistics | 2020 |
| Dave Gillespie Consulting Limited | Professional & scientific | 2023 |
| David and Bushra Partners LLP | | 2014 |
| David Colman Consulting Limited | Administrative & support | 2018 |
| David Kennett Consulting Limited | Administrative & support | 2023 |
| David Lunn Limited | Information & communication | 2000 |
| David Nash Limited | Administrative & support | 2015 |
| David Owen Jenkins Limited | Health & social care | 2014 |
| David Wilkes IT Services Limited | Information & communication | 2026 |
| Davision Media Ltd | Manufacturing | 2016 |
| Davison & Davison Associates Limited | Administrative & support | 2020 |
| Dawson Heights Ventures Ltd | Professional & scientific | 2024 |
| Day's Total Body Clinic Limited | Other services | 2011 |
| Dayonix Pharma Limited | Manufacturing | 2018 |
| DBM 89 Ltd | Real estate | 2023 |
| DBT Engineering Solutions Ltd | Professional & scientific | 2025 |
| DC Soccer Ltd | Arts & recreation | 2021 |
| DCL Interior Design LLP | | 2007 |
| DCM Financial Services Limited | Financial services | 2017 |
| DCM International Property Limited | Administrative & support | 2004 |
| DDD Services (UK) Limited | Transport & logistics | 2014 |
| De'Maggio Limited | Administrative & support | 2014 |
| Deamer Ventures Limited | Construction | 2025 |
| Deanmarch Limited | Professional & scientific | 1998 |
| Dear Street Developments Limited | Construction | 2005 |
| Deborah Edwards Consulting Limited | Professional & scientific | 2014 |
| Debt Register Ltd | Administrative & support | 2019 |
| Decor Construction Group Limited | Construction | 2021 |
| Decor London Design Limited | Construction | 2026 |
| Deenjam Surgical Limited | Health & social care | 2011 |
| Deep Sea Graphics Ltd | Administrative & support | 2012 |
| Deep SIX Engineering Ltd | Mining & quarrying | 2025 |
| Deep Smile Records Limited | Information & communication | 2020 |
| Deepsignal Ltd | Professional & scientific | 2025 |
| Defib Space Limited | Wholesale & retail | 2025 |
| Dehesa Limited | Real estate | 2024 |
| Deise Construction Limited | Construction | 2017 |
| Dejla Consultancy Limited | Information & communication | 2010 |
| Dekazon Ltd | Wholesale & retail | 2025 |
| Deko Constructions Limited | Manufacturing | 2025 |
| Delaunay Solutions Limited | Professional & scientific | 2012 |
| Delgable Limited | Real estate | 1973 |
| Deli 14 Healthcare Ltd | Health & social care | 2021 |
| Deli Brasil Ltd | Wholesale & retail | 2025 |
| Delia Interiors Ltd | Professional & scientific | 2023 |
| Delivering Excellence Ltd. | Professional & scientific | 2011 |
| Delph Solarworks Ltd | Professional & scientific | 2025 |
| Delrose Developments Limited | Construction | 2011 |
| Delrose Group Ltd | Construction | 2020 |
| Delrose Investments Limited | Real estate | 2020 |
| Delta Consulting Services Ltd | Financial services | 2017 |
| Delta Health Limited | Health & social care | 2013 |
| Delta Life Ltd | Real estate | 2018 |
| Delta Packaging Ltd | Administrative & support | 2020 |
| Delta Property Care Limited | Construction | 2026 |
| Delta Scale Ltd | Financial services | 2025 |
| Demand Logic Limited | Information & communication | 2007 |
| Demeer Limited | Professional & scientific | 2001 |
| Demos Capital Consulting Limited | Professional & scientific | 2017 |
| Denewood Management Company Limited | Households | 1967 |
| Denmark Avenue Residents (Wimbledon) Limited | Real estate | 1973 |
| Dental Oceans Holding Limited | Financial services | 2019 |
| Dental Practice Partners Ltd | Professional & scientific | 2019 |
| Dentro Records Ltd | Manufacturing | 2020 |
| Denu Recruit Limited | Administrative & support | 2024 |
| Denyer Vandrau Consultancy Limited | Professional & scientific | 2012 |
| Derek Close (West Ewell) Residents Association Limited | Professional & scientific | 1988 |
| Derek Tidy Limited | Financial services | 2016 |
| Dermatology Studios Ltd | Health & social care | 2020 |
| Dermelle Consultancy Limited | Health & social care | 2025 |
| Dermelle Limited | Health & social care | 2020 |
| Derrick Jones Economics Limited | Professional & scientific | 2014 |
| Desai Consulting Ltd | Information & communication | 2011 |
| Design Computer and Property Services Limited | Professional & scientific | 2014 |
| Design Electrical Installation Limited | Manufacturing | 2025 |
| Design Solutions (London) Ltd | Construction | 2026 |
| Developed Property Ltd | Real estate | 2023 |