| Exien Ltd | Construction | 2023 |
| Exigem Solutions Ltd | Professional & scientific | 2025 |
| Exigo Plumbing and Electrical Contractors Limited | Construction | 2023 |
| Exmelton Limited | Professional & scientific | 2020 |
| Exmouth (Nzch) Ltd | Professional & scientific | 2019 |
| Exnot Limited | Professional & scientific | 2007 |
| EXO Sports Cars Limited | Manufacturing | 2015 |
| Exod Logistics Ltd | Transport & logistics | 2024 |
| Exotic Home Interiors Ltd | Wholesale & retail | 2024 |
| Exotic Tattoo Studio Limited Liability Partnership | | 2020 |
| EXP Consulting Limited | Professional & scientific | 2005 |
| Experian (UK) Finance Limited | Information & communication | 2011 |
| Experian (UK) Holdings 2006 Limited | Financial services | 2006 |
| Experian CIS Limited | Other services | 1989 |
| Experian Colombia Investments Limited | Financial services | 2019 |
| Experian Corporate Services Limited | Real estate | 1990 |
| Experian Europe and Middle East Limited | Financial services | 1995 |
| Experian Europe Unlimited | Financial services | 2008 |
| Experian Finance PLC | Financial services | 1917 |
| Experian Group Limited | Financial services | 1999 |
| Experian Holdings (UK) Unlimited | Information & communication | 2014 |
| Experian Holdings Limited | Financial services | 1997 |
| Experian International Unlimited | Information & communication | 1997 |
| Experian Investment Holdings Limited | Financial services | 2006 |
| Experian Latam Holdings Unlimited | Financial services | 2011 |
| Experian Limited | Information & communication | 1960 |
| Experian Medical Plan Limited | Information & communication | 2001 |
| Experian Nominees Limited | Financial services | 1972 |
| Experian Refi Outsource Services Limited | Financial services | 1999 |
| Experian Refi Solutions Limited | Information & communication | 2016 |
| Experian Retirement Savings Trustees Limited | Other services | 1997 |
| Experian Surbs Investments Limited | Information & communication | 2006 |
| Experian Technology Limited | Information & communication | 2000 |
| Experian Trustees Limited | Other services | 1955 |
| Experian US Holdings Unlimited | Financial services | 1996 |
| Experience Business Management Limited | Financial services | 2014 |
| Experience Heritage Ltd | Information & communication | 2020 |
| Experienced Psychology Ltd | Education | 2020 |
| Expert Collision Centre Ltd | Wholesale & retail | 2026 |
| Expert Entrepreneur Limited | Administrative & support | 2021 |
| Expert Removals U.K Limited | Transport & logistics | 2022 |
| Expertise Without Fees Limited | Financial services | 2023 |
| Expertisebytheday Limited | Professional & scientific | 2020 |
| Expirea Environmental Consultancy Ltd | Professional & scientific | 2014 |
| Explicate Tech Limited | Information & communication | 2025 |
| Explmore Ltd | Wholesale & retail | 2020 |
| Exploded Sweets Ltd | Wholesale & retail | 2023 |
| Exploit Computer Security Limited | Information & communication | 2015 |
| Exploratory Drilling Ltd | Manufacturing | 2022 |
| Explore Near ME Ltd | Administrative & support | 2023 |
| Explorerjc.Com Limited | Arts & recreation | 2002 |
| Expogers Ltd | Wholesale & retail | 2025 |
| Exponential Communication Limited | Information & communication | 2020 |
| Export Bidco Limited | Financial services | 2023 |
| Export Topco Limited | Financial services | 2023 |
| Export Vehicle Sales Limited | Extraterritorial | 2015 |
| Exposure Trading Ltd | Information & communication | 2011 |
| Express City Limited | Construction | 2020 |
| Express Courier Despatch Ltd | Transport & logistics | 2018 |
| Express Hand Wash NG9 Ltd | Administrative & support | 2025 |
| Express Media Agency Limited | Professional & scientific | 2020 |
| Express Mega Food Limited | Wholesale & retail | 2025 |
| Express Packaging Nottingham Limited | Manufacturing | 2019 |
| Express PAK Cargo Ltd | Transport & logistics | 2025 |
| Express Pizza Cotgrave Limited | Hospitality | 2022 |
| Express Range Limited | Hospitality | 2021 |
| Express Recruitment H Limited | Administrative & support | 2011 |
| Express Recruitment Limited | Administrative & support | 1985 |
| Express Sameday Couriers Ltd | Transport & logistics | 2019 |
| Express Shopfittings Limited | Extraterritorial | 2000 |
| Express Taxi Service Limited | Transport & logistics | 2019 |
| Express Tool Hire Ltd | Administrative & support | 2003 |
| Express Waxing Ltd | Other services | 2018 |
| Expression Dance CIC | Education | 2024 |
| Expressionsbym CIC | Education | 2020 |
| Expressive Self Psychotherapy Ltd | Health & social care | 2024 |
| Expresso Pizza Limited | Hospitality | 2025 |
| Expresso Pizza Nottingham Ltd | Hospitality | 2023 |
| Expressway Couriers Limited | Transport & logistics | 2009 |
| Exprt IT Service Limited | Information & communication | 2020 |
| Exquisite Property Plus Services Limited | Hospitality | 2024 |
| Exquisitely Tochel Ltd | Other services | 2024 |
| Exsal Limited | Other services | 1997 |
| Extended Agency Ltd | Information & communication | 2021 |
| Exterior Plus Ltd. | Water & waste | 2025 |
| Extra Help Care Limited | Health & social care | 2014 |
| Extra Roomz Limited | Construction | 2011 |
| Extraction Industries Limited | Hospitality | 2017 |
| Extrade RMD Ltd | Professional & scientific | 2024 |
| Extreme-Decorating Limited | Construction | 2025 |
| Extreme-Extreme Limited | Extraterritorial | 2005 |
| Exuperate Ltd | Real estate | 2023 |
| EY UP Cards & Crafts Ltd | Manufacturing | 2020 |
| Eyanga Limited | Administrative & support | 2024 |
| EYE Locum Ltd | Health & social care | 2023 |
| EYE on Electrical Ltd | Construction | 2023 |
| EYE2EAR Limited | Financial services | 2018 |
| Eyebrow Gallery Long Eaton Limited | Other services | 2024 |
| Eyebrow Gallery Salons Ltd | Other services | 2023 |
| Eyeline Optical Ltd | Public administration | 2025 |