| Ihomes Lettings & Management Ltd | Real estate | 2019 |
| Ihrm Limited | Professional & scientific | 2014 |
| Ihsaam Ltd | Real estate | 2017 |
| Ihsaan Properties Ltd | Real estate | 2024 |
| II Enterprise Ltd | Manufacturing | 2011 |
| Iihe Ltd | Administrative & support | 2013 |
| IIL Limited | Other services | 2024 |
| IJ Electronics Limited | Wholesale & retail | 2012 |
| Ijaz&Sons Ltd | Wholesale & retail | 2025 |
| IJB Electrical Limited | Construction | 2019 |
| Ijra Transport Ltd | Transport & logistics | 2019 |
| IJS Trading Limited | Wholesale & retail | 2025 |
| IK 804 Real Estate London Limited | Real estate | 2024 |
| IK Connect Global Limited | Information & communication | 2024 |
| IK Holdings London Ltd | Real estate | 2024 |
| IK Parcels Ltd | Transport & logistics | 2018 |
| IK Properties and Land Ltd | Real estate | 2023 |
| IK Services Limited | Other services | 2018 |
| IK4S Ltd | Hospitality | 2024 |
| Ikaa Appliances Limited | Other services | 2025 |
| Ikaya Essence Ltd | Wholesale & retail | 2026 |
| IKH Electrician Ltd | Construction | 2026 |
| Ikhalid Ltd | Professional & scientific | 2025 |
| Ikhan Solutions Ltd | Information & communication | 2025 |
| Ikhlaas Learning Limited | Education | 2021 |
| IKJ Store Ltd | Wholesale & retail | 2025 |
| IKM Holdings Limited | Other services | 2018 |
| IKM Shop Limited | Wholesale & retail | 2024 |
| Ikon Investment Holdings Ltd | Real estate | 2016 |
| Ikram Wahid Ltd | Real estate | 2021 |
| Ikuku Ltd | Transport & logistics | 2022 |
| Ikut & Associates UK Limited | Real estate | 2004 |
| IKZ Joint Ventures Ltd | Construction | 2024 |
| IL Groundwork Ltd | Construction | 2020 |
| IL Painting Ltd | Construction | 2025 |
| IL Piacere Ltd | Hospitality | 2021 |
| Ilact Ltd | Health & social care | 2019 |
| Ilahi Noor Limited | Real estate | 2026 |
| Ilderton Road Limited | Construction | 2013 |
| ILE Education Ltd | Education | 2025 |
| Ilenta Ltd | Construction | 2023 |
| Ilexeum Limited | Professional & scientific | 2022 |
| Ilford & District Indoor Bowls Club Limited | Arts & recreation | 1984 |
| Ilford & Nurmahal Carpets Ltd | Construction | 2024 |
| Ilford A2B Limited | Transport & logistics | 2026 |
| Ilford Accountants Limited | Professional & scientific | 2014 |
| Ilford Apartments Ltd | Administrative & support | 2016 |
| Ilford Barbers Ltd | Other services | 2023 |
| Ilford BD Express Ltd | Transport & logistics | 2014 |
| Ilford Best Kebab Ltd | Hospitality | 2025 |
| Ilford Blinds Ltd | Wholesale & retail | 2021 |
| Ilford Carpet & Flooring Ltd | Wholesale & retail | 2011 |
| Ilford City Developments Ltd | Real estate | 2016 |
| Ilford Coffee House Ltd | Hospitality | 2021 |
| Ilford Coffee Ltd | Hospitality | 2024 |
| Ilford College of Business Management Limited | Professional & scientific | 2012 |
| Ilford Dental Care Ltd | Health & social care | 2014 |
| Ilford DRY Cleaners Ltd | Other services | 2018 |
| Ilford Fastfood Ltd | Hospitality | 2025 |
| Ilford Flooring Ltd | Wholesale & retail | 2020 |
| Ilford Gadget Ltd | Wholesale & retail | 2023 |
| Ilford Gents Barbers Ltd | Other services | 2020 |
| Ilford Golf Club Limited(The) | Arts & recreation | 1909 |
| Ilford Grand Hotel Ltd | Hospitality | 2018 |
| Ilford Grocery Ltd | Wholesale & retail | 2015 |
| Ilford High Road Properties Ltd | Real estate | 2022 |
| Ilford Hotel (Goodmayes) Ltd | Hospitality | 2018 |
| Ilford Hotel Apartments Ltd | Hospitality | 2014 |
| Ilford Hotel Ltd | Hospitality | 2018 |
| Ilford Investments Limited | Real estate | 2016 |
| Ilford Islamic Centre Limited | Health & social care | 1992 |
| Ilford Khan Communication Limited | Wholesale & retail | 2017 |
| Ilford Kitchens Ltd | Wholesale & retail | 2023 |
| Ilford Laptop and PC Repairs Ltd | Other services | 2026 |
| Ilford Legend Barbers Ltd | Other services | 2019 |
| Ilford Legends Sports Club Ltd | Arts & recreation | 2024 |
| Ilford Lofts Limited | Construction | 2010 |
| Ilford Luxury Apartments Ltd | Administrative & support | 2016 |
| Ilford Market Ltd | Wholesale & retail | 2019 |
| Ilford Muslim Welfare Association | Health & social care | 2023 |
| Ilford Office Space Limited | Administrative & support | 2022 |
| Ilford Projects Limited | Real estate | 2026 |
| Ilford Property Services Ltd | Construction | 2023 |
| Ilford Reliance Management Co Limited | Other services | 2026 |
| Ilford Residentials Limited | Real estate | 2025 |
| Ilford Serviced Apartments Ltd | Hospitality | 2014 |
| Ilford Shoes Ltd | Wholesale & retail | 2025 |
| Ilford Sports Club Limited | Arts & recreation | 1998 |
| Ilford Stars Ltd | Hospitality | 2025 |
| Ilford Traders Ltd | Professional & scientific | 2023 |
| Ilford Tuition and Learning Centre Limited | Education | 2012 |
| Ilford Tyres Limited | Wholesale & retail | 2024 |
| Ilford Van Service Ltd | Transport & logistics | 2023 |
| Ilford Wholesale Meat & Groceries Ltd | Wholesale & retail | 2023 |
| Ilford Xchange Ltd | Wholesale & retail | 2017 |
| Ilhamk Ltd | Other services | 2024 |
| Ilhay Limited | Real estate | 2023 |
| Ilievs Event Brit Limited | Administrative & support | 2022 |
| Illmonline Ltd | Education | 2025 |
| Illumear Ltd | Professional & scientific | 2024 |