| Hampstead Garden Suburb Institute | | | care quality violation | 2011 | UK-OFSTED | £0 |
| Harrow House International College | | | care quality violation | 2018 | UK-OFSTED | £0 |
| Harrow Primary School | | | care quality violation | 2017 | UK-OFSTED | £0 |
| Health and Fitness Education | | | care quality violation | 2017 | UK-OFSTED | £0 |
| Herbert of Liverpool (Training) Ltd | | | care quality violation | 2015 | UK-OFSTED | £0 |
| Holme Farm School | | | care quality violation | 2017 | UK-OFSTED | £0 |
| Holme Farm School | | | care quality violation | 2015 | UK-OFSTED | £0 |
| Homeschool | | | care quality violation | 2019 | UK-OFSTED | £0 |
| Homeschool | | | care quality violation | 2016 | UK-OFSTED | £0 |
| Horatio House Independent School | | | care quality violation | 2019 | UK-OFSTED | £0 |
| Horton School Beverley | | | care quality violation | 2017 | UK-OFSTED | £0 |
| Huckleberry Therapeutic School | | | care quality violation | 2022 | UK-OFSTED | £0 |
| IC Training Centre Limited | | | care quality violation | 2022 | UK-OFSTED | £0 |
| ID Training | | | care quality violation | 2017 | UK-OFSTED | £0 |
| Impact College | | | care quality violation | 2018 | UK-OFSTED | £0 |
| Include - Thames Valley | | | care quality violation | 2018 | UK-OFSTED | £0 |
| Independent Educational Services - Central | | | care quality violation | 2020 | UK-OFSTED | £0 |
| Institute of Islamic Education | | | care quality violation | 2020 | UK-OFSTED | £0 |
| Institute of Islamic Education | | | care quality violation | 2015 | UK-OFSTED | £0 |
| Instituto Espanol Canada Blanch | | | care quality violation | 2018 | UK-OFSTED | £0 |
| Intercontinental Hotels Group Services Company | InterContinental Hotels | hotels | care quality violation | 2013 | UK-OFSTED | £0 |
| International Community School | | | care quality violation | 2014 | UK-OFSTED | £0 |
| Islamia Girls' High School | | | care quality violation | 2016 | UK-OFSTED | £0 |
| Islamia School for Girls' | | | care quality violation | 2022 | UK-OFSTED | £0 |
| Islamic Preparatory School Wolverhampton | | | care quality violation | 2019 | UK-OFSTED | £0 |
| Islamic Preparatory School Wolverhampton | | | care quality violation | 2017 | UK-OFSTED | £0 |
| ITEC Learning Technologies | | | care quality violation | 2021 | UK-OFSTED | £0 |
| Inspection of Jamia Al-Hudaa Residential College | | | care quality violation | 2022 | UK-OFSTED | £0 |
| Inspection of Jamia Al-Hudaa Residential College | | | care quality violation | 2019 | UK-OFSTED | £0 |
| Inspection of Jamia Al-Hudaa Residential College | | | care quality violation | 2015 | UK-OFSTED | £0 |
| Joint Learning Partnership Limited | | | care quality violation | 2016 | UK-OFSTED | £0 |
| Jubilee House Christian School | | | care quality violation | 2015 | UK-OFSTED | £0 |
| KATS Learning Ltd | | | care quality violation | 2015 | UK-OFSTED | £0 |
| Kensington Park School | | | care quality violation | 2017 | UK-OFSTED | £0 |
| Keresley College | | | care quality violation | 2022 | UK-OFSTED | £0 |
| Keresley College | | | care quality violation | 2014 | UK-OFSTED | £0 |
| Khalsa College London | | | care quality violation | 2019 | UK-OFSTED | £0 |
| Khalsa College London | | | care quality violation | 2018 | UK-OFSTED | £0 |
| Kingsmere School | Waterland Private Equity | private equity (including portfolio companies) | care quality violation | 2020 | UK-OFSTED | £0 |
| KPMG Limited Liability Partnership | KPMG | business services | care quality violation | 2020 | UK-OFSTED | £0 |
| KT Associates | | | care quality violation | 2017 | UK-OFSTED | £0 |
| KWS School | | | care quality violation | 2018 | UK-OFSTED | £0 |
| Learndirect Limited | | | care quality violation | 2017 | UK-OFSTED | £0 |
| Leicester Community Academy | | | care quality violation | 2018 | UK-OFSTED | £0 |
| Leicester Community Academy | | | care quality violation | 2014 | UK-OFSTED | £0 |
| Leicester International School | | | care quality violation | 2017 | UK-OFSTED | £0 |
| Lewis Charlton Learning Centre | | | care quality violation | 2022 | UK-OFSTED | £0 |
| Lewis Charlton Learning Centre | | | care quality violation | 2019 | UK-OFSTED | £0 |
| Liga (UK) Ltd | | | care quality violation | 2020 | UK-OFSTED | £0 |
| Lighthouse School | | | care quality violation | 2021 | UK-OFSTED | £0 |
| Limm Skills Academy Limited | | | care quality violation | 2022 | UK-OFSTED | £0 |
| Liral Veget College London | | | care quality violation | 2019 | UK-OFSTED | £0 |
| London Christian Learning Centre | | | care quality violation | 2016 | UK-OFSTED | £0 |
| London Skills Academy | | | care quality violation | 2014 | UK-OFSTED | £0 |
| LOTA Training | | | care quality violation | 2012 | UK-OFSTED | £0 |
| Lubavitch Senior Boys School | | | care quality violation | 2022 | UK-OFSTED | £0 |
| Lubavitch Senior Boys School | | | care quality violation | 2018 | UK-OFSTED | £0 |
| Lubavitch Yeshiva Ketanah of London | | | care quality violation | 2022 | UK-OFSTED | £0 |
| Lubavitch Yeshiva Ketanah of London | | | care quality violation | 2018 | UK-OFSTED | £0 |
| Lumiar Stowford | | | care quality violation | 2020 | UK-OFSTED | £0 |
| LVS Hassocks | | | care quality violation | 2016 | UK-OFSTED | £0 |
| Manchester International College | | | care quality violation | 2014 | UK-OFSTED | £0 |
| Manorway Independent School | | | care quality violation | 2020 | UK-OFSTED | £0 |
| Manorway Independent School | | | care quality violation | 2018 | UK-OFSTED | £0 |
| Manufacturing Excellence Limited | | | care quality violation | 2021 | UK-OFSTED | £0 |
| Maranatha Christian School | | | care quality violation | 2016 | UK-OFSTED | £0 |
| Matrix Training and Development Limited | | | care quality violation | 2017 | UK-OFSTED | £0 |
| Meadowpark School | | | care quality violation | 2021 | UK-OFSTED | £0 |
| Mechinoh School | | | care quality violation | 2022 | UK-OFSTED | £0 |
| Mechinoh School | | | care quality violation | 2017 | UK-OFSTED | £0 |
| Mechinoh School | | | care quality violation | 2015 | UK-OFSTED | £0 |
| Mechinoh School | | | care quality violation | 2013 | UK-OFSTED | £0 |
| Menorah Grammar School | | | care quality violation | 2020 | UK-OFSTED | £0 |
| Menorah Grammar School | | | care quality violation | 2015 | UK-OFSTED | £0 |
| Mercia Partnership (UK) Ltd | | | care quality violation | 2019 | UK-OFSTED | £0 |
| Michael House School | | | care quality violation | 2019 | UK-OFSTED | £0 |
| Michael John Academy | | | care quality violation | 2019 | UK-OFSTED | £0 |
| Millennium Academy | | | care quality violation | 2018 | UK-OFSTED | £0 |
| Mobile Care Qualifications Limited | | | care quality violation | 2018 | UK-OFSTED | £0 |
| Mooreskills Ltd | | | care quality violation | 2019 | UK-OFSTED | £0 |
| Moorland Waldorf School | | | care quality violation | 2022 | UK-OFSTED | £0 |
| My Life Learning | | | care quality violation | 2022 | UK-OFSTED | £0 |
| Myrrh Limited | | | care quality violation | 2013 | UK-OFSTED | £0 |
| National Training & Skills Ltd | | | care quality violation | 2021 | UK-OFSTED | £0 |
| Nestor Primecare Services Limited | | | care quality violation | 2017 | UK-OFSTED | £0 |
| Netherleigh and Rossefield School | | | care quality violation | 2022 | UK-OFSTED | £0 |
| New Generation Training and Consultancy Limited | | | care quality violation | 2022 | UK-OFSTED | £0 |
| Newbury Hall School | | | care quality violation | 2018 | UK-OFSTED | £0 |
| Newbury Hall School | | | care quality violation | 2016 | UK-OFSTED | £0 |
| Newbury Hall School | | | care quality violation | 2013 | UK-OFSTED | £0 |
| Newbury Independent School | | | care quality violation | 2022 | UK-OFSTED | £0 |
| Newbury Independent School | | | care quality violation | 2018 | UK-OFSTED | £0 |
| Next Retail Ltd | Next Group PLC | retailing | care quality violation | 2015 | UK-OFSTED | £0 |
| NLT Training Services Ltd | | | care quality violation | 2017 | UK-OFSTED | £0 |
| NLT Training Services Ltd | | | care quality violation | 2010 | UK-OFSTED | £0 |
| Norfolk and Suffolk Care Support Limited | | | care quality violation | 2013 | UK-OFSTED | £0 |
| Norfolk Training Services Limited | | | care quality violation | 2017 | UK-OFSTED | £0 |
| Northbridge Enterprise College | G Square Capital | private equity (including portfolio companies) | care quality violation | 2022 | UK-OFSTED | £0 |
| North Liverpool Regeneration Company Ltd | | | care quality violation | 2017 | UK-OFSTED | £0 |
| Northgate Information Solutions UK Limited | | | care quality violation | 2012 | UK-OFSTED | £0 |
| Northleigh House School | | | care quality violation | 2019 | UK-OFSTED | £0 |
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