| Enable Development Ltd | Bristol | 2023 |
| Enable Living Ltd | Slough | 2024 |
| Enable Partners Limited | Brighton | 2002 |
| Enabled Products Limited | Coventry | 2020 |
| Enabling Sme's Ltd | Oldham | 2022 |
| Enabling Visions Ltd | Honiton | 2001 |
| Enact Newco 19 Limited | Leeds | 2024 |
| Enact Newco 20 Limited | Leeds | 2024 |
| Enactor (US) Limited | Hertford | 2015 |
| Enactor International Limited | Hertford | 2015 |
| Enactor on Demand Limited | Hertford | 2014 |
| Enactor Software Limited | Hertford | 2015 |
| Enagh Transport Ltd | Armagh | 2015 |
| Enaya Ltd | Northampton | 2021 |
| Enborne Park Freehold (Newbury) Limited | Croydon | 2013 |
| Enborne Road Newbury Management Company Limited | London | 2005 |
| ENC Services Limited | Bilston | 2025 |
| Encarco Limited | Lytham St Annes | 2024 |
| Encase Limited | London | 2025 |
| Enchanted Eden Nursery Ltd | London | 2024 |
| Enchanted Peace Ltd | London | 2021 |
| Enchantment Conjouring Limited | London | 2014 |
| Enchantment Wise Ltd | Woking | 2024 |
| Enchine International Co., Ltd | London | 2014 |
| Enclave 3806 Limited | Swaffham | 2015 |
| Enclave Campers Ltd | London | 2023 |
| Enclave Studios Limited | Northampton | 2018 |
| Encoder Digital Ltd | Stourport-On-Severn | 2014 |
| Encollage Leader Industry Co., Ltd | Beckenham | 2011 |
| Encompass KBB Ltd | London | 2020 |
| Encon Manufacturing Limited | Wetherby | 1989 |
| Encon RGS Anglia Limited | Wetherby | 1986 |
| Encon RGS London Limited | Wetherby | 1988 |
| Encon RGS Scotland Limited | Wetherby | 1985 |
| Encon RGS South West Limited | Wetherby | 1987 |
| Encon RGS Yorkshire Limited | Wetherby | 1985 |
| Encon Technic UK Limited | Rochester | 2007 |
| Encontracts Limited | Wetherby | 1990 |
| Encore (NNS) Limited | Birmingham | 2004 |
| Encore Capital Xvii Limited | Maidenhead | 2016 |
| Encore Capital Xxiii Limited | Maidenhead | 2019 |
| Encore Capital Xxiv Limited | London | 2021 |
| Encore Capital XXV Limited | London | 2024 |
| Encore Capital Xxvi Limited | London | 2024 |
| Encore Commercial Limited | Cambridge | 2015 |
| Encore E F Investment 2 Limited | Maidenhead | 2016 |
| Encore E F Investment 3 Limited | Maidenhead | 2018 |
| Encore Yacht Ltd | Blackpool | 2024 |
| Encount Limited | Salisbury | 2002 |
| Encryptguard Networks Ltd | London | 2025 |
| END of Life Conversations Limited | Gillingham | 2019 |
| END of Life Recycling Ltd | Mitcham | 2011 |
| END Point Assessment Partnership Ltd | Gateshead | 2020 |
| Enda Paul Mchugh Limited | London | 2025 |
| Endeavour 159 Limited | Thirsk | 2024 |
| Endeavour Chauffeur Drive Ltd | Rochester | 2022 |
| Endeavour Footwear Ltd. | Glasgow | 2017 |
| Endeavour North Limited | Liverpool | 2010 |
| Endeavour Property Group Limited | Poole | 2021 |
| Endeavour Recruitment Limited | Perth | 2016 |
| Endeavour Social Care Ltd. | London | 2022 |
| Endeavour Trent Limited | Gateshead | 2004 |
| Endgame Business Coaching Ltd | Houghton Le Spring | 2021 |
| Endila Limited | Woking | 2019 |
| Endless (IBP) Limited | Leeds | 2007 |
| Endless Aura Ltd | Dunmow | 2018 |
| Endless Desire Ltd | London | 2016 |
| Endless Opportunities Limited | London | 2010 |
| Endre Leroy Invest Limited | London | 2024 |
| Endrick Renewables Limited | Glasgow | 2017 |
| Endsleigh Pension Trustee Limited | Swindon | 2006 |
| Endura Property Limited | Chatham | 2015 |
| Endurance Limited | Liverpool | 2008 |
| Endurance Trustee Limited | Gainsborough | 2024 |
| Endurocide Limited | Liverpool | 2022 |
| Endvrance Limited | Great Yarmouth | 2021 |
| Endy Ltd | Bromley | 2024 |
| Enemuoh Eco Cleaning Services Ltd | Bristol | 2023 |
| Enerec Limited | London | 2009 |
| Enerfac Services Limited | Northampton | 2011 |
| Energen-Uk Ltd | Loudwater | 2020 |
| Energetic Bristol Limited | Bristol | 2011 |
| Energetic Butterfly Ltd | Newmarket | 2025 |
| Energetic Performance Limited | Perth | 2010 |
| Energi Cable Limited | Laindon | 2021 |
| Energi Talent Resourcing Limited | London | 2019 |
| Energia Power Resources Limited | London | 1998 |
| Energician Limited | London | 2014 |
| Energieundleben Ltd | Manchester | 2023 |
| Energise Financial Ltd | Wimborne | 2026 |
| Energize Consulting Limited | Manchester | 2022 |
| Energize Limited | Manchester | 1997 |
| Energotechnic Ltd | Stockport | 2018 |
| Energy Ahead Ltd | Westhill | 2025 |
| Energy and Live Ltd | London | 2023 |
| Energy Certification Company Limited | Hamilton | 1997 |
| Energy Chemical Company Limited | Bingham | 2007 |
| Energy Flights Ltd | Hoylake | 2024 |
| Energy From the Sun Limited | Harrogate | 2011 |
| Energy Gift Cards Limited | Felixstowe | 2020 |