| Daphne's Career Development Ltd | Education | 2025 |
| Dark Media Ltd | Professional & scientific | 2025 |
| Darren Stacey Architecture and Urban Design Limited | Professional & scientific | 2013 |
| Dataworks Services Ltd | Information & communication | 2025 |
| Days of the Year Limited | Professional & scientific | 2012 |
| Dduk Limited | Professional & scientific | 2020 |
| DE Rosa Hair and Makeup Ltd | Arts & recreation | 2022 |
| Deal Desk Ltd | Wholesale & retail | 2024 |
| Design Code Limited | Information & communication | 2011 |
| Dhaniyaal's Enterprise Limited | Wholesale & retail | 2023 |
| Dhimata Limited | Real estate | 2022 |
| Didifreds Ltd | Information & communication | 2014 |
| Directed by Mike Ltd | Information & communication | 2023 |
| Disabled Entrepreneurs CIC | Professional & scientific | 2024 |
| Diversity (UK) | Other services | 2012 |
| DJM Associates Limited | Health & social care | 2015 |
| DO IT Like a Mother Ltd | Other services | 2019 |
| Dream Beyond Productions Ltd | Information & communication | 2021 |
| Drink Bare Ltd | Wholesale & retail | 2025 |
| Drive IQ Ltd | Education | 2016 |
| DS London Property Ltd | Real estate | 2023 |
| Dsluk Limited | Wholesale & retail | 2018 |
| Dubaissi Advisory Limited | Professional & scientific | 2024 |
| DWC Consultancy Ltd | Financial services | 2005 |
| Dynamic CUT Films Ltd | Information & communication | 2013 |
| Dysart Limited | Professional & scientific | 2014 |
| Earthrise Studio Ltd | Information & communication | 2020 |
| Easy Acpay Ltd | Professional & scientific | 2025 |
| EBB Advisory Limited | Professional & scientific | 2025 |
| Ebony Production Music Limited | Information & communication | 2023 |
| Ecolife Management Ltd | Professional & scientific | 2006 |
| Eddandsan Limited | Wholesale & retail | 2024 |
| Edengen Ltd | Health & social care | 2020 |
| Education Marketer Limited | Professional & scientific | 2022 |
| Edutec Solutions Limited | Information & communication | 2014 |
| Eelam Ltd | Information & communication | 2019 |
| EG Manager Services Limited | Financial services | 2025 |
| EG Manager UK LLP | | 2017 |
| EG Private Limited | Financial services | 2017 |
| EJG Consultancy Ltd | Professional & scientific | 2023 |
| Elate Global Ltd | Information & communication | 2017 |
| Electric Dream Software Ltd | Information & communication | 2025 |
| Electrolyte Communications Ltd | Professional & scientific | 2022 |
| Element Vision Ltd | Wholesale & retail | 2025 |
| Eliax Ltd | Professional & scientific | 2024 |
| Elijah Entertainment Ltd | Arts & recreation | 2022 |
| Elire Group Holdings Ltd | Professional & scientific | 2024 |
| Elite Dancers Academy Ltd | Arts & recreation | 2025 |
| Elsa Caleb Ltd. | Professional & scientific | 2000 |
| Elymus Limited | Education | 2023 |
| Elysium Technology Limited | Real estate | 1998 |
| Elūni Ltd | Wholesale & retail | 2025 |
| Eminence Jewels Ltd | Wholesale & retail | 2017 |
| Emmantech Ltd | Information & communication | 2006 |
| Enduricon Ltd. | Financial services | 2004 |
| Esra Limited | Information & communication | 2023 |
| Essency Properties Ltd | Real estate | 2022 |
| Etikbee Ltd | Wholesale & retail | 2023 |
| EVE & Co. Productions Limited | Information & communication | 2023 |
| Evolute Developments Ltd | Construction | 2025 |
| Exabyte IT Solutions Limited | Information & communication | 2016 |
| Exhale Coaching & Sports MED Ltd | Health & social care | 2020 |
| Exist Productions Ltd | Information & communication | 2024 |
| Exode Consulting Ltd | Professional & scientific | 2022 |
| F & S Print & Finishing Ltd | Manufacturing | 2025 |
| Farrer Homes Ltd | Real estate | 2023 |
| Fast Travel Global Ltd | Information & communication | 2015 |
| Faust House Ltd | Administrative & support | 2015 |
| Fero Checkout Ltd | Information & communication | 2025 |
| Festo Accountants Limited | Professional & scientific | 2025 |
| FF Project Norwich Ltd | Real estate | 2025 |
| Film Movement Direct Limited | Administrative & support | 2023 |
| Finkelstein Associates Limited | Professional & scientific | 2018 |
| Fintech CAP Ltd | Professional & scientific | 2023 |
| Firehorse Apparel Limited | Hospitality | 2013 |
| Fit Pigs Ltd | Wholesale & retail | 2025 |
| Flowing Finance Ltd | Financial services | 2020 |
| Flowlance Ltd | Professional & scientific | 2021 |
| Food Protect Limited | Professional & scientific | 2020 |
| Formal Group Holdings Ltd | Information & communication | 2026 |
| Freedom Creative Agency Ltd | Professional & scientific | 2024 |
| Freedom Peak Films Limited | Information & communication | 2011 |
| French Plans Limited | Professional & scientific | 2012 |
| Frog Ltd | Hospitality | 2019 |
| Full Invest Ltd | Financial services | 2009 |
| FW Management Ltd | Professional & scientific | 2019 |
| FWA Facilities and Security Management Ltd | Real estate | 2020 |
| G and L Translation Services Limited | Professional & scientific | 2021 |
| Gareth Rees & Co Limited | Professional & scientific | 2002 |
| Garrick Syndicates Limited | Professional & scientific | 1925 |
| Gasson & Phillips Interiors Limited | Professional & scientific | 2022 |
| Gastronomy Europe Ltd. | Administrative & support | 2022 |
| Gavo Corporation Ltd | Wholesale & retail | 2023 |
| GBS Peak Solutions Ltd | Professional & scientific | 2023 |
| GC Associates LLP | | 2025 |
| General Independent Testing Ltd | Information & communication | 2017 |
| Geobox Ltd | Information & communication | 2019 |
| Georgina Woudstra Ltd | Professional & scientific | 2014 |
| Gihon Enterprise Limited | Arts & recreation | 2017 |
| Gill Real Estate Development & Investment Ltd | Real estate | 2018 |