| Early Learning Centre Limited | Hemel Hempstead | 1909 |
| Early Steps Childcare Holding Company Ltd | Dudley | 2021 |
| Early Tower Limited | Mansfield | 2022 |
| Early Years Direct.Com Limited | Cirencester | 2006 |
| Early Years Educational Ltd | Nottingham | 2011 |
| Earlybird Industry Corporation Limited | Kington | 2006 |
| Earlyservices Ltd | Sevenoaks | 1999 |
| Earlyweb Limited | Shrewsbury | 2025 |
| Earnbank Community Limited | Perth | 2018 |
| Earndrive 1 Limited | Stanmore | 2003 |
| Earndrive 2 Limited | Stanmore | 2003 |
| Earndrive 3 Limited | Stanmore | 2003 |
| Earnsford Advisors Limited | Kenilworth | 2025 |
| Earnshaw 1956 Limited | Middlewich | 2013 |
| Earsmiths Acoustics Ltd | Broadstone | 2025 |
| Earth Breeze UK Limited | London | 2024 |
| Earth Capital UK Limited | Surbiton | 2023 |
| Earth Colours Ltd | Bristol | 2003 |
| Earth Dividend Limited | Surbiton | 2009 |
| Earth Explorers Ltd | London | 2025 |
| Earth HEP Limited | London | 2020 |
| Earth Light Balance Limited | Alnwick | 2019 |
| Earth Metal and Fire Limited | Reigate | 2002 |
| Earth Music Ltd | London | 2016 |
| Earth to Cosmos Limited | Beckenham | 2018 |
| Earth Vital (Norway) Plant Nutrition Ltd | Beckenham | 2025 |
| Earth Wind & Sun Limited | Spilsby | 2013 |
| Earth Works Designs Ltd | Newbury | 2020 |
| Earth's Crust Limited | Chiswick | 2002 |
| Earth's Crust Resources Limited | Bolton | 2020 |
| Earth-Temple Limited | Sudbury | 2021 |
| Earthchange Ltd | Doncaster | 2021 |
| Earthclear Limited | Pontypool | 1997 |
| Earthcroft Properties Limited | Wallasey | 2023 |
| Earthflux Limited | Saffron Walden | 2023 |
| Earthgroup Limited | Downham Market | 2002 |
| Earthian Ltd | London | 2010 |
| Earthing Equipment Supplies Limited | Abborfield | 1995 |
| Earthly Comforts G.P.M Limited | Ramsgate | 2023 |
| Earthmirror Limited | Buckinghamshire | 2006 |
| Earthridge (N.I.) Limited | Newry | 2005 |
| Earthrise Limited | Loughton | 2024 |
| Earthscope Consulting Ltd | Solihull | 2026 |
| Earthtec Environmental Consulting Ltd | Durham | 2010 |
| Earthward Bound Ltd. | Hove | 2020 |
| Earthworm Capital Nominees Limited | Macclesfield | 2016 |
| Easap Ltd | Doncaster | 2016 |
| Easdale (Holdings) Limited | Greenock | 2013 |
| Easdale Slate & Marble Co Ltd | Oban | 2011 |
| Ease of Life Limited | London | 2022 |
| Easehouse Holdings Ltd | London | 2023 |
| Easey Farms Limited | Eye | 2019 |
| Easi Recruit Limited | Sevenoaks | 2015 |
| Easi Rental Limited | Birkenhead | 2007 |
| Easi Uplifts Limited | Astley | 1999 |
| Easi-Lok Ltd | Whalley | 2023 |
| Easi-Vape Ltd | Bristol | 2015 |
| Easiaccess Limited | Gateshead | 2010 |
| Easidoctor Ltd | Chichester | 2022 |
| Easilendit Limited | London | 2023 |
| Easipay Home Appliances Limited | Darlington | 2017 |
| Easipay Home Interiors Limited | Darlington | 2017 |
| Easipetcare Ltd | Bristol | 2009 |
| Easiwork Limited | Shipston-On-Stour | 2008 |
| Easonrise International Trade Limited | Gillingham | 2016 |
| East & Son,Limited | 10-12 Russell Square | 1917 |
| East 15 Acting School Limited | Colchester | 2002 |
| East 1966 Limited | Darvel | 2013 |
| East Africa Safaris Limited | Eastleigh | 2013 |
| East Anglia Catering Limited | Ipswich | 2022 |
| East Anglia Fire PIT Hire Ltd | Cromer | 2021 |
| East Anglia Resources Limited | Grantham | 2008 |
| East Anglian Game & Country Fair Ltd | Norwich | 2009 |
| East Anglian Pest Control Limited | Woodbridge | 2009 |
| East Anglian Properties Limited | Norwich | 1999 |
| East Anglian ROD Co. Limited | Berkshire | 1994 |
| East Asia International Investment Co., Limited | London | 2016 |
| East Asia Metals & Minerals Limited | London | 2017 |
| East Best Unistrong Limited | London | 2016 |
| East Bilney Coachworks (Norwich) Limited | Norwich | 2008 |
| East Block Keel Wharf Limited | Liverpool | 2022 |
| East Brae Services Ltd | Alford | 2023 |
| East Bristol Engineers Limited | Bristol | 1954 |
| East Capital Estates Limited | Manchester | 2015 |
| East Central Property Management Limited | London | 1992 |
| East Coast Accounting Services Limited | Great Yarmouth | 2014 |
| East Coast Air Conditioning Ltd | Norwich | 2006 |
| East Coast Doors Limited | Wisbech | 2004 |
| East Coast Fasteners Limited | Rearsby Leicester | 1997 |
| East Coast Fibreglass Limited | South Shields | 2017 |
| East Coast Fibreglass Supplies Limited | Newcastle Upon Tyne | 2018 |
| East Coast Holiday Rentals Limited | Nottingham | 2023 |
| East Coast Marine Co. Limited | Grimsby | 1968 |
| East Coast Renovations Ltd. | Glasgow | 1997 |
| East Dean Greensward Limited | Eastbourne | 2012 |
| East Devon Sports Therapy Limited | Axminster | 2015 |
| East Down Limited | Downpatrick | 2021 |
| East Dunbartonshire Development Company Limited | Glasgow | 1987 |
| East END Foods Limited | Watford | 1968 |
| East Establish International Group Co., Ltd. | London | 2015 |