| Elecluz Limited | Energy | 2013 |
| Electra BIO Ltd | Professional & scientific | 2024 |
| Electra Consultancy Limited | Professional & scientific | 2013 |
| Electric Freight Systems Limited | Transport & logistics | 2026 |
| Electric Motor Cars Limited | Extraterritorial | 2005 |
| Electric Motor Vehicles Limited | Extraterritorial | 2006 |
| Electric Sheep VFX Ltd | Information & communication | 2023 |
| Electrical & Plumbing Services Ltd | Construction | 2025 |
| Electricam Limited | Construction | 2019 |
| Electrician Cambridge Ltd | Construction | 2025 |
| Electro Limited | Construction | 2015 |
| Electrodynamic Solutions Cambridge Ltd | Information & communication | 2022 |
| Electromech Solutions Ltd | Manufacturing | 2024 |
| Electronic Overtures Limited | Information & communication | 2003 |
| Electronrx Limited | Professional & scientific | 2017 |
| Electrox Group Co., Limited | Wholesale & retail | 2026 |
| Elegance & Comfort UK Ltd | Wholesale & retail | 2024 |
| Elegant Enhancements Ltd | Health & social care | 2023 |
| Elegant Nails and Tanning Limited | Other services | 2016 |
| Elegant Solutions Limited | Information & communication | 2003 |
| Eleganza Homes Limited | Real estate | 2024 |
| Elegro Co., Limited | Wholesale & retail | 2026 |
| Elektramech Ltd | Manufacturing | 2025 |
| Elem 2 Limited | Other services | 2017 |
| Elem Limited | Other services | 2017 |
| Elemental Aesthetics Ltd | Health & social care | 2025 |
| Elemental House Limited | Real estate | 2023 |
| Elementary CMC Consulting Ltd | Professional & scientific | 2026 |
| Elements Advisory Ltd | Professional & scientific | 2026 |
| Elements Flow Ltd | Information & communication | 2021 |
| Elements Squared Limited | Financial services | 2019 |
| Elena Composites Ltd | Manufacturing | 2017 |
| Elesar Limited | Information & communication | 2015 |
| ELEV8 Studios Ltd | Arts & recreation | 2025 |
| Elevar Property Ltd | Real estate | 2024 |
| Elevate Electrical Ltd | Construction | 2026 |
| Elevate Outdoor Kitchens & Bars Ltd | Manufacturing | 2026 |
| Elevate Outdoor Kitchens Ltd | Manufacturing | 2026 |
| Eleven Energy Ltd | Manufacturing | 2024 |
| Elfracla Limited | Manufacturing | 2015 |
| ELI Import & Export Company Limited | Wholesale & retail | 2021 |
| ELI International Co., Limited | Manufacturing | 2018 |
| ELI Villa Investment Ltd | Households | 2023 |
| Eligro Leather International Trade Co., Ltd | Wholesale & retail | 2024 |
| Elijo Biotherapeutics Limited | Professional & scientific | 2025 |
| Elio Global Trading Limited | Wholesale & retail | 2020 |
| Elisabet Valind Ltd | Arts & recreation | 2013 |
| Elison Place Flat Management Ltd | Households | 2021 |
| Elisson Limited | Real estate | 2003 |
| Elite Britannia Holding Ltd | Financial services | 2019 |
| Elite Building Services (Cambridge) Limited | Construction | 2015 |
| Elite Business Ltd | Wholesale & retail | 2023 |
| Elite Cambridge Limited | Education | 2010 |
| Elite Cleaning Services (Cambridge) Ltd | Administrative & support | 2018 |
| Elite Conveyancing Limited | Professional & scientific | 2021 |
| Elite Design Solutions Limited | Information & communication | 2001 |
| Elite Drivers Ltd | Administrative & support | 2012 |
| Elite Farmers Trading Co Ltd | Agriculture & fishing | 2010 |
| Elite Heat Group Limited | Construction | 2017 |
| Elite Innovation College Cambridge Ltd | Professional & scientific | 2015 |
| Elite Minds School Ltd. | Information & communication | 2025 |
| Elite Motor Group (Cambridgeshire) Ltd | Wholesale & retail | 2023 |
| Elite Services East Anglia Ltd | Construction | 2011 |
| Elite Skylines Ltd | Manufacturing | 2025 |
| Elite Solutions Marketing Limited | Professional & scientific | 2020 |
| Elite Storage Solutions Ltd | Transport & logistics | 2006 |
| Elite Technicians Ltd | Other services | 2015 |
| Eliteglade Trade Limited | Wholesale & retail | 2025 |
| Elitesight Homecare Ltd | Health & social care | 2025 |
| Elix BIO Ltd | Professional & scientific | 2025 |
| Eliza Nellie Ltd | Wholesale & retail | 2017 |
| Elizabeth International Limited | Administrative & support | 2016 |
| Elizabeth Middleton Trust | Other services | 1985 |
| Elizabeth Mouyun UK International Group Limited | Wholesale & retail | 2024 |
| Ella Healthcare Ltd | Administrative & support | 2014 |
| Ellercove Limited | Real estate | 2024 |
| Elleric Limited | Administrative & support | 2017 |
| Elleric Projects Limited | Construction | 2019 |
| Ellesmere Road Residence Management Company Ltd | Households | 2018 |
| Ellinah Homes Limited | Real estate | 2020 |
| Elliot's Seafood Linguine Ltd | Hospitality | 2025 |
| Elliotts Mews Management Company Limited | Households | 1998 |
| Ellis Adcock Ltd | Information & communication | 2018 |
| Ellis Expressions Ltd | Arts & recreation | 2022 |
| Ellis IP Limited | Professional & scientific | 2005 |
| Elliss Consulting Limited | Professional & scientific | 2015 |
| ELLIV8TE Ltd | Information & communication | 2026 |
| ELM & Willow Ltd | Professional & scientific | 2026 |
| ELM Lane (Holbeach) Management Company Limited | Households | 2018 |
| ELM Leisure Limited | Construction | 1973 |
| ELM Research & Consulting Ltd | Professional & scientific | 2024 |
| Elmbridge Professional Services Limited | Information & communication | 2020 |
| Elmdon Consultants Limited | Professional & scientific | 2009 |
| Elmhill Ltd | Professional & scientific | 2024 |
| Elmm Property Group Ltd | Administrative & support | 2024 |
| Elms Health Solutions Ltd | Administrative & support | 2016 |
| Elmsworth Holdings Ltd | Wholesale & retail | 2025 |
| Elmtreecambridge Ltd | Hospitality | 2019 |
| Elmwood Tree Services Limited | Agriculture & fishing | 2025 |
| Elnova Ltd | Information & communication | 2026 |