| Imam Bukhari Education & Welfare Ltd | Preston | 2024 |
| Imam Zakariya Academy | London | 2021 |
| Imamiyyah Council Limited | London | 2012 |
| Imams and Preachers UK | London | 2026 |
| Iman First Ltd | London | 2018 |
| Iman NUR Limited | Luton | 2024 |
| Imanage Performance Limited | Haywards Heath | 2003 |
| Imani Academy Ltd | Birmingham | 2017 |
| Imap Centre Limited | Great Barrow, | 2009 |
| Imap Community (I AM a Person) C.I.C. | London | 2015 |
| Imarker Ltd | London | 2025 |
| Imaster Edtech Ltd | London | 2024 |
| Imbre Ltd | Newport | 2019 |
| Imbu World Limited | London | 2025 |
| Imbue Ventures Limited | Derby | 2023 |
| IMC Consulting Solutions Ltd | Barry | 2020 |
| IMC Pro Solutions Ltd | Grimsby | 2017 |
| Imce Ltd | Cambridge | 2026 |
| Imconsultant Ltd | Manchester | 2025 |
| IMD Group Limited | Glasgow | 2024 |
| IMD Legion CIC | London | 2025 |
| Imdee. Ltd | Wolverhampton | 2026 |
| IME Liveries Limited | Maidstone | 2024 |
| IME Loan Horses and Ponies Ltd | Maidstone | 2022 |
| Imece Network CIC | Barnet | 2020 |
| Imedia School | Birmingham | 2012 |
| Imedtech Limited | Oxford | 2021 |
| Imeduk Ltd | Nottingham | 2023 |
| Imega Culture and Education Company Ltd | Alton | 2019 |
| Imentoruk Ltd. | Swanley | 2015 |
| Imersia Ltd | Swindon | 2025 |
| Imeta Training and Solutions Ltd | Birmingham | 2018 |
| IMF Management Limited | London | 2014 |
| IMG Soft Landing Community Interest Company | London | 2021 |
| IMH International Education Services Limited | London | 2022 |
| Imhotep Projects T/A Modern Mystery School UK & EU Limited | Lichfield | 2018 |
| IMI (GB) Limited | Ewell | 2003 |
| IMI Awards Limited | Hertford | 2007 |
| Imjlaw Ltd | Norwich | 2013 |
| IML (Inspire Medilaw) Limited | Abingdon | 2025 |
| Imlearningmandarin Ltd | Ely | 2024 |
| Immaculate Conception Academy Trust | Sheffield | 2014 |
| Immanuel Childcare Ltd | Surrey | 2006 |
| Immanuel Christian School Limited | Bristol | 2011 |
| Immanuel School Multi Academy Trust Limited | Sittingbourne | 2017 |
| Immediate Theatre | London | 1996 |
| Immerse Academy CIC | Belfast | 2026 |
| Immerse Educational Services Ltd | Northwood | 2021 |
| Immerse in Nature Ltd | Norwich | 2022 |
| Immerse Medical Training Ltd | Poole | 2016 |
| Immerse Studios Ltd | Belfast | 2026 |
| Immerse Summer Schools Limited | Northwood | 2020 |
| Immersify Education Ltd | Manchester | 2019 |
| Immersion Enterprises Ltd | Sidmouth | 2026 |
| Immersion in the Community CIC | Okehampton | 2022 |
| Immersium Community CIC | Pevensey | 2026 |
| Immersive Design Academy | Barnet | 2025 |
| Immersive Faith 360 Ltd | Pudsey | 2019 |
| Immersive Leadership Academy Ltd | London | 2025 |
| Immersive Learning Group Limited | London | 2025 |
| Immersive Maths Ltd | Bury St. Edmunds | 2025 |
| Immersive Training Limited | Nottingham | 2016 |
| Immi Foundation CIC | London | 2025 |
| Immia Limited | Daventry | 2026 |
| Immigration Law ROI Ltd | Corby | 2003 |
| Immigration Navigator Ltd | High Wycombe | 2021 |
| Immingham Town Football Club CIC | Immingham | 2021 |
| Immortal Fight Ltd | Leeds | 2022 |
| Immortal Humans CIC | Birmingham | 2024 |
| Immortal Karate & Kickboxing Ltd | Coventry | 2025 |
| Immortal Ninja Ltd | Leeds | 2022 |
| Immunogy Limited | Sevenoaks | 2023 |
| Immy Barbers Ltd | Crawley | 2023 |
| IMO International Ltd | Hounslow | 2020 |
| IMO State Women Ambassadors Int'L (UK) C.I.C. | London | 2019 |
| Imogenroseeducation Ltd | Stoke-On-Trent | 2025 |
| Imora Maths Limited | East Horsley | 2021 |
| Imoves Active Education Ltd | Sheffield | 2010 |
| IMP (Global) Limited | Pinner | 2005 |
| Impact & Ascent Stunts Limited | Chesterfield | 2025 |
| Impact 17+1 Club Limited | Hatfield | 2019 |
| Impact A&C West Midlands Ltd | Halesowen | 2024 |
| Impact Academy Limited | London | 2023 |
| Impact Activity Clubs Ltd | Rickmansworth | 2021 |
| Impact AID Limited | Wrotham Heath | 2022 |
| Impact and Empathy Ltd | Coventry | 2011 |
| Impact Arts (Projects) Limited | Glasgow | 2001 |
| Impact Autism Consultancy & Training Ltd | Peterborough | 2024 |
| Impact Black C.I.C. | London | 2020 |
| Impact Board Ltd | London | 2023 |
| Impact Boxing (NW) Limited | Hyde | 2026 |
| Impact Boxing Club C.I.C. | Croydon | 2021 |
| Impact Boxing Ltd | Maidenhead | 2023 |
| Impact Care Solutions Ltd | Cardiff | 2020 |
| Impact Centre for Training Ltd | Ystrad Mynach | 2011 |
| Impact Champions Ltd | Birmingham | 2025 |
| Impact Coaching Academy Ltd | Livingston | 2026 |
| Impact Coaching Group Ltd | Harrogate | 2021 |
| Impact College of Martial Arts Limited | Middlesbrough | 2025 |
| Impact Community Group | Wigan | 2021 |