| E7 Demolition Consultants Limited | Construction | 2017 |
| EA Business Development Solutions Ltd | Other services | 2017 |
| EA Planning Services Limited | Professional & scientific | 2008 |
| EAC Build Ltd | Construction | 2015 |
| Eagle Foods Ltd | Wholesale & retail | 2003 |
| Eagle Investment Properties Ltd | Real estate | 2024 |
| Eagle Investments (Cambs) Ltd | Real estate | 2025 |
| Eagle Park (Yaxley) Management Company Limited | Real estate | 2008 |
| Eagle Power Connect Ltd | Information & communication | 2013 |
| Eagle PUB Peterborough Ltd | Hospitality | 2019 |
| Eagle Rent Ltd | Transport & logistics | 2026 |
| Eagle Shine Logistics Limited | Transport & logistics | 2025 |
| Eagle Trucker Ltd. | Transport & logistics | 2017 |
| Eagle Way Trading Limited | Wholesale & retail | 2019 |
| Eahosl Limited | Wholesale & retail | 2026 |
| EAI Properties Ltd | Real estate | 2024 |
| EAR Essentials Ltd | Health & social care | 2025 |
| Earls Assets Ltd | Other services | 2024 |
| Earls Autos Ltd | Wholesale & retail | 2020 |
| Earls Enterprises Ltd | Real estate | 2023 |
| Earls Scaffolding Ltd. | Construction | 2008 |
| Earthbend Limited | Public administration | 2022 |
| Earthly Gems Limited | Wholesale & retail | 2000 |
| Earthy Roots Ltd. | Agriculture & fishing | 2013 |
| Easabiss Ltd | Wholesale & retail | 2016 |
| Easby Rise Capital Ltd | Real estate | 2019 |
| Easby Rise Management Company Limited | Households | 2005 |
| Easiweigh Limited | Manufacturing | 1992 |
| East Anglia Air Ltd | Construction | 2025 |
| East Anglia Cleancare Ltd | Other services | 2019 |
| East Anglia Fertility and Gynaecology Limited | Health & social care | 2016 |
| East Anglia Heating Ltd | Manufacturing | 2000 |
| East Anglia Motors Ltd | Wholesale & retail | 2019 |
| East Anglia Truck Repairs Ltd | Wholesale & retail | 2018 |
| East Anglia Veterans Association CIC | Hospitality | 2024 |
| East Anglian Drivers ( Northants ) Ltd | Administrative & support | 2015 |
| East Anglian Paediatric Orthopaedic Group (Eapog) | Professional & scientific | 2021 |
| East Anglian Simply Textile Ltd | Wholesale & retail | 2012 |
| East Elite Allstars Limited | Education | 2017 |
| East Furniture House Ltd | Manufacturing | 2025 |
| East London Electrical Distribution Limited | Wholesale & retail | 1997 |
| East Midlands Waste Management Limited | Water & waste | 2014 |
| East Newlands Somersham Management Company Limited | Households | 2022 |
| East of England Agricultural Society | Other services | 1981 |
| East of England Car Sales Limited | Wholesale & retail | 2022 |
| East of England Showground Services Limited | Hospitality | 1970 |
| East Pizza Group Ltd | Hospitality | 2023 |
| East Road Commercial Limited | Real estate | 2021 |
| Eastbury Avenue (Northwood) Management Company Limited | Households | 1998 |
| Eastern Aurora Management Ltd | Households | 2025 |
| Eastern Europeon Supermarket Ltd | Wholesale & retail | 2013 |
| Eastern INK Limited | Arts & recreation | 2009 |
| Eastern Properties Anglia Ltd. | Real estate | 1987 |
| Eastern Spice (Crowland) Ltd | Hospitality | 2019 |
| Eastern Substructures Ltd | Construction | 2025 |
| Eastern Surveyors Ltd | Construction | 2024 |
| Eastfield Convenience Store Ltd | Wholesale & retail | 2016 |
| Eastfield Discount Autospares Limited | Wholesale & retail | 2000 |
| Eastfield NO 11 Limited | Manufacturing | 1983 |
| Eastfield NO 24 Limited | Manufacturing | 1987 |
| Eastfield NO 25 Limited | Manufacturing | 1985 |
| Eastfield NO 26 Limited | Manufacturing | 1987 |
| Eastfield NO 5 Limited | Manufacturing | 1986 |
| Eastfield NO.30 Limited | Manufacturing | 1947 |
| Eastgate Carpentry Limited | Construction | 2019 |
| Eastgate Property Solutions Limited | Construction | 2025 |
| Easthill Property Group Ltd | Real estate | 2026 |
| Eastlands Limited | Construction | 2016 |
| Easton Lodge Storage Ltd | Other services | 2016 |
| Eastrea Road Flats Management Limited | Real estate | 1987 |
| Eastwood Road Commercial Ltd | Real estate | 2022 |
| Easy Clean FM Ltd | Administrative & support | 2025 |
| Easy Life Goods Ltd | Wholesale & retail | 2025 |
| Easy Like Sunday Morning Limited | Health & social care | 2020 |
| Easy LOGISTIC1 Ltd | Transport & logistics | 2014 |
| Easy MAN and Van Removals Ltd | Transport & logistics | 2023 |
| Easy Personnel Limited | Administrative & support | 2025 |
| Easy Rent LM Ltd | Construction | 2025 |
| Easy Speedy Techi Ltd | Information & communication | 2026 |
| Easy Street Ltd | Information & communication | 2018 |
| Easy Times Cafe and Bar Ltd | Hospitality | 2023 |
| Easy TRANS89 Ltd | Transport & logistics | 2024 |
| Easy Transport Peterborough Limited | Transport & logistics | 2018 |
| EASY2LET Ltd | Households | 2018 |
| Easylife IP Ltd | Information & communication | 2018 |
| Eaton Court Management Company (ST. Neots) Limited | Households | 2002 |
| Eaton Property Holdings Ltd | Real estate | 2022 |
| Eaton Property Sourcing Ltd | Administrative & support | 2024 |
| Eazworks Ltd | Wholesale & retail | 2021 |
| EB & a Ltd | Hospitality | 2017 |
| Ebadges Limited | Manufacturing | 2019 |
| Ebane Investment Property Limited | Wholesale & retail | 2024 |
| Eben Properties Ltd | Real estate | 2021 |
| Ebenezer Group Ltd | Financial services | 2016 |
| Ebenezer House Limited | Health & social care | 2014 |
| Ebest Ltd. | Wholesale & retail | 2017 |
| Ebony and Ivory Plasterers Limited | Construction | 2018 |
| Ebrar 1 Ltd | Hospitality | 2025 |
| Ebrozdefender Ltd | Information & communication | 2018 |
| EC and EH Jones Limited | Professional & scientific | 2016 |