| E & K Hindshaw Ltd | Real estate | 2021 |
| E Bailiss Consulting Ltd | Information & communication | 2017 |
| E L T (Bournemouth) Limited | Real estate | 1974 |
| E Supplier HUT Limited | Wholesale & retail | 2025 |
| E Wright Ltd | Arts & recreation | 2021 |
| E&E Homes Dorset Ltd | Real estate | 2017 |
| E&S1 Ltd | Hospitality | 2020 |
| E-Creation Limited | Administrative & support | 1996 |
| E-Motion Fitness Hub Ltd. | Arts & recreation | 2017 |
| E-Ux.Pro Ltd | Construction | 2020 |
| E-World Enterprises Ltd | Wholesale & retail | 2024 |
| E-Xec Aeroport Transfer Limited | Transport & logistics | 2019 |
| E. & P. Mcwilliams Limited | Hospitality | 1969 |
| E. Battey Asset Management Limited | Professional & scientific | 2015 |
| E. Battey Associates Limited | Professional & scientific | 2007 |
| E.L. Etruria Laminators Ltd | Manufacturing | 2021 |
| E.P. Site Services Limited | Real estate | 2002 |
| E4 Management Ltd | Professional & scientific | 2011 |
| EA Systems & Support Ltd | Information & communication | 2012 |
| EAC Fire and Security Ltd | Administrative & support | 2023 |
| Eadvantage Ltd | Professional & scientific | 2015 |
| Eagle Detailing Limited | Wholesale & retail | 2024 |
| Eagle Edge Enterprises Ltd | Real estate | 2017 |
| Eagle International School Ltd | Education | 2002 |
| Eagle PAY Limited | Administrative & support | 2024 |
| Eagles Hub Limited | Wholesale & retail | 2024 |
| Eaglet Property Management Ltd | Real estate | 2021 |
| Early Rider Holdings Limited | Financial services | 2025 |
| Early Rider International Holdings Limited | Financial services | 2025 |
| Early Rider Limited | Wholesale & retail | 2006 |
| Earmark Ltd | Information & communication | 2026 |
| Earneze Limited | Administrative & support | 2023 |
| Earth Converse Limited | Professional & scientific | 2017 |
| Earth Fire Water Limited | Wholesale & retail | 2018 |
| Earthly Studios Ltd | Real estate | 2023 |
| Earthpositive Ltd | Construction | 2025 |
| EAS Mining and Metals Group (PTY) Ltd | Wholesale & retail | 2014 |
| Ease & Comfort Ltd | Wholesale & retail | 2025 |
| East Cliff Therapy Centre Limited | Health & social care | 2002 |
| East Coaching Limited | Professional & scientific | 2019 |
| East Coast Composites Limited | Professional & scientific | 2007 |
| East Dorset Lawn Tennis & Croquet Club Limited | Arts & recreation | 2016 |
| East Dorset Sailing Club Ltd | Professional & scientific | 2024 |
| East Wessex Community Services Ltd | Extraterritorial | 2025 |
| East-West Europe Media Ltd | Information & communication | 2017 |
| Easter Education Limited | Education | 2021 |
| Eastern Counties Leather Group Limited | Professional & scientific | 1992 |
| Eastholm Mansions (North) Management Company Limited | Households | 2002 |
| Eastview Corporation Ltd | Professional & scientific | 2022 |
| Easy Access Hire Ltd | Administrative & support | 2023 |
| Easy Filings Ltd | Professional & scientific | 2024 |
| Easy for YOU Limited | Administrative & support | 2004 |
| Easy Prep South Ltd | Wholesale & retail | 2019 |
| Easy Security Solutions Limited | Administrative & support | 2023 |
| Easy Way Developments Ltd | Construction | 2025 |
| Easyriders Holidays Limited | Arts & recreation | 2023 |
| Easyriders Limited | Arts & recreation | 2006 |
| Easyriders Watersport Limited | Hospitality | 2019 |
| Easysell Ltd | Wholesale & retail | 2025 |
| Eaton Croft Limited | Real estate | 2021 |
| EB Advisory Limited | Professional & scientific | 2023 |
| EBALE88 Ltd | Wholesale & retail | 2025 |
| Ebcg Property Ltd | Real estate | 2017 |
| Ebike Tuner Limited | Wholesale & retail | 2020 |
| EBM Poole Ltd | Real estate | 2022 |
| Ebora Store Ltd | Wholesale & retail | 2025 |
| Eboss Online Recruitment Solutions (Eboss) Limited | Information & communication | 2001 |
| Eboworld Limited | Professional & scientific | 2025 |
| EC Car Sales Ltd | Wholesale & retail | 2025 |
| EC Consulting Services Limited | Information & communication | 2022 |
| ECA Architecture&Planning Ltd | Professional & scientific | 2006 |
| ECC Battery LAB Ltd | Wholesale & retail | 2025 |
| Ecebs Limited | Information & communication | 2000 |
| Echo Beach Residents (Bournemouth) Limited | Households | 2024 |
| Echo Carpentry and Construction Ltd | Construction | 2024 |
| Echo Exchange Limited | Wholesale & retail | 2024 |
| Echo IV Limited | Financial services | 2024 |
| Eclipse Roofing and Waterproofing Ltd | Construction | 2013 |
| Eco AC Ltd | Energy | 2024 |
| Eco Commerce Ltd | Wholesale & retail | 2021 |
| Eco Grant Finders Ltd | Professional & scientific | 2023 |
| Eco Green Futures Ltd | Construction | 2021 |
| Eco Home Enhancements Ltd | Construction | 2024 |
| Eco Home Maintenance Ltd | Construction | 2019 |
| Eco Homes Wessex Ltd | Professional & scientific | 2018 |
| Eco Life Candles Ltd | Wholesale & retail | 2021 |
| Eco LOG Burners Ltd | Construction | 2017 |
| Eco Mart BR Limited | Wholesale & retail | 2025 |
| Eco Transacting Limited | Information & communication | 2010 |
| Ecofueled Ltd | Construction | 2022 |
| Ecogis Ltd | Information & communication | 2012 |
| Ecoluxe Journeys Limited | Transport & logistics | 2024 |
| Ecom BR Limited | Wholesale & retail | 2025 |
| Ecomblack BR Limited | Wholesale & retail | 2025 |
| Ecomfegon Ltd | Wholesale & retail | 2025 |
| Ecominnovate Ltd | Wholesale & retail | 2025 |
| Ecommerce Creators Ltd | Wholesale & retail | 2025 |
| Ecomoclast Ltd | Information & communication | 2015 |
| Ecomrocket Ltd | Information & communication | 2025 |
| Ecomworld GRP Ltd | Wholesale & retail | 2025 |