| International Teams UK Trust Ltd | Corfe Mullen, Wimborne | A rating |
| IQRA WELFARE FORUM | MANCHESTER | A rating |
| Irshad Trust t/a The Islamic College | London | A rating |
| ISKCON Scotland | Lesmahagow | A rating |
| ISLAM DEWSBURY | DEWSBURY | A rating |
| Islamic Academy of Scotland | Glasgow | A rating |
| Islamic Brotherhood | Coventry, | A rating |
| Islamic Centre Central London | London | A rating |
| Islamic Centre Leicester | Leicester | A rating |
| Islamic Cultural Society Luton Mosque | Luton | A rating |
| islamic educationcultural centre & quran academy | birmingham | A rating |
| islamic social and educational trust | Manchester | A rating |
| ISLAMIC SOCIETY OF GLOUCESTER | Gloucester | A rating |
| Ivy Church Bristol | Bristol | A rating |
| J-Praise International | Glasgow | A rating |
| JAI MAA BHAMESHWARI KALI MANDIR | WEST MIDLANDS | A rating |
| Jain Network | LONDON | A rating |
| JAIN SAMAJ EUROPE | LEICESTER | A rating |
| JAIN VISHVA BHARATI LONDON | Pinner | A rating |
| JALALIA MOSQUE AND ISLAMIC EDUCATION CENTRE | CARDIFF | A rating |
| JALALIA SUNNI JAMI MASJID & ISLAMIC EDUCATION CENTRE | walsall | A rating |
| Jamia Al Furqaan | Sheffield | A rating |
| Jamia Hanfia Ghosia Mosque And Princess Street Resource Centre | Burton on Trent | A rating |
| Jamia Hanfia Rezvia Mosque | Newport | A rating |
| Jamia Islamia Ghousia Trust | Luton | A rating |
| Jamia Masjid & Madrassa Faiz Ul Quran Ghousia | Birmingham | A rating |
| Jamia Masjid Kanzul Iman | Heckmondwike | A rating |
| Jamia Masjid Rizvia Brierley Hill | Brierley Hill | A rating |
| Jamia Mosque Anwar-Ul-Uloom Trust | Smethwick | A rating |
| Jamia Mosque Gulzar-e-Habib and Education Centre | Sheffield | A rating |
| Jamia Muhammadiyah | Halifax | A rating |
| Jamiat Ahl-e-Hadith Nottingham (Masjid Umar) | Nottingham | A rating |
| Jamiat Ittihad-Ul-Muslimin t/a Glasgow Central Mosque | Glasgow, | A rating |
| JAMIAT-UL-MUSLEMEEN QUWAT-UL-ISLAM MASJED | Crawley | A rating |
| Jamyang Buddhist Centre Leeds | Leeds | A rating |
| Japanese Christian Fellowship | London | A rating |
| Jaya Shree Krishna Charitable Trust | Harrow | A rating |
| Jeeyar Educational Trust UK | Tunstall | A rating |
| Jehovah Evangelical Team (J.E.T.) C.C.C. Valley of Berachah parish | dartford | A rating |
| Jesuits in Britain CIO | London | A rating |
| JESUS CARES CRUSADERS MINISTRIES INTERNATIONAL (SOLUTION CENTRE) | LONDON | A rating |
| Jesus Christ Of Nazareth International Church | Slough | A rating |
| Jesus Foundation Family International | Salford | A rating |
| JESUS GENERATION MINISTRIES UK | London | A rating |
| Jesus House for All Nations | London | A rating |
| Jesus House Torry, Aberdeen | Aberdeen | A rating |
| Jesus Power House Ministries Limited | Ilford | A rating |
| JESUS RESTORATION CENTRE | HOUNSLOW | A rating |
| Jesus Revelation Ministries (UK) | Doncaster | A rating |
| Jesus women International Prayer Movement | Witney | A rating |
| Jethavana Buddhist Vihara | Birmingham | A rating |
| Jewish Council of Scotland | Glasgow | A rating |
| Jewish Futures Trust Ltd | London | A rating |
| JEWS FOR JESUS | London | A rating |
| JLE | London | A rating |
| Journey Community Church | Antrim | A rating |
| Jubilee Christian Church Nottingham | Nottingham | A rating |
| Jubilee Church Maidstone | Maidstone | A rating |
| JUBILEE PRIESTHOOD CENTRE | FELTHAM | A rating |
| Kabod Sanctuary | Bolton | A rating |
| Kadampa Meditation Centre London | London | A rating |
| KADOSH MARIAN MINISTRIES | MANOR PARK | A rating |
| Karimia Institute | Nottingham | A rating |
| KARPAHA VINAYAGA TRUST | LONDON | A rating |
| KARUNA MANOR | Harrow | A rating |
| Kay Street Baptist Church | Rossendale | A rating |
| KEC Church Centre | Birmingham | A rating |
| KENT SRI LANKAN BUDDHIST CULTURAL CENTRE | Sidcup | A rating |
| Kerygma180 | Brentford | A rating |
| Ketumati Buddhist Vihara Trust | Grt.MANCHESTER | A rating |
| KHALSA CENTRE | TOOTING | A rating |
| KHIDMAH ACADEMY | LONDON | A rating |
| Khoja Shia Ithna-Asheri Muslim Community of Birmingham | Birmingham | A rating |
| King's Arms Trust (Bedford) | Bedford | A rating |
| King's Church Chessington | Chessington | A rating |
| King's Church International | Windsor | A rating |
| King's Cross Church | London | A rating |
| King's Cross Korean Church | SUTTON | A rating |
| KING'S REVIVAL CHURCH (INTL) MINISTRIES | SURREY | A rating |
| Kingdom Citizens International Church and Ministries | Manchester | A rating |
| Kingdom Empowerment Ministries International Fellowship | Manchester | A rating |
| KINGDOM FAITH MINISTRIES INTERNATIONAL | MILTON KEYNES | A rating |
| Kingdom Heritage Christian Fellowship | Croydon | A rating |
| Kingdom Life Apostolic Chapel | Birmingham | A rating |
| KINGDOM MANDATE CENTRE | Manchester | A rating |
| Kingdom Palace Outreach | Bolton | A rating |
| Kingdom Power Ministries International (KPMI) | Manchester | A rating |
| Kingdomcity United Kingdom Limited | London | A rating |
| Kings Church Kingston | Thames Ditton | A rating |
| Kingsway International Christian Centre | Chatham | A rating |
| KingsWord International Church | London | A rating |
| Kirkcaldy Central Mosque | Kirkcaldy | A rating |
| Kirkcaldy Islamic Centre | Kirkcaldy | A rating |
| Koinonia | Acton | A rating |
| Koinonia John the Baptist Ireland Ltd | Ballymena | A rating |
| Kokni Community Luton | Luton | A rating |
| KOREAN EALING CHURCH | LONDON | A rating |
| Krishna Cymru | Cardiff | A rating |
| KSIMC OF LEEDS | Leeds | A rating |
| KSIMC of London | Stanmore | A rating |
| L'Abri Fellowship | Liss | A rating |
| Lakshmi Narayana Trust | London | A rating |
| Lampeter Evangelical Church | Lampeter | A rating |
| Lancaster Muslim Welfare Society | Lancaster | A rating |
| Land of Joy | Hexham | A rating |
| LANSBURY ESTATE MUSLIM ASSOCIATION | LONDON | A rating |
| Larne Congregational Church | Larne | A rating |
| Latifiah Fultali Complex / The British Muslim School | West Bromwich | A rating |
| Latin Link | Reading | A rating |
| Latter Rain Mission International (UK) | Wrexham | A rating |
| LCC Community Trust | Lisburn | A rating |
| League of British Muslims UK | London | A rating |
| Leeds Buddhist Vihara Trust | Leeds | A rating |
| Leeds Chinese Christian Church | Leeds | A rating |
| LEEDS DIOCESAN BOARD OF FINANCE | Leeds | A rating |
| Leicester Chinese Christian Church | Leicester | A rating |
| Leith Baptist Church | Edinburgh | A rating |
| Lennox Evangelical Church | Dumbarton | A rating |
| LEUVA PATIDAR SAMAJ (9SNB) OF YORKSHIRE | Bradford | A rating |
| LF Foundation aka LF Fountain of Grace | Birmingham | A rating |
| LFCC Global Belfast | Belfast | A rating |
| Liberal Judaism (ULPS) | London | A rating |
| Liberty Army | Kent | A rating |
| Liberty Church | Newport | A rating |
| Liberty Church | Rotherham | A rating |
| Lichfield Diocesan Board of Finance | Lichfield | A rating |
| Life Centre Bible Church | London | A rating |
| Life Church Europe | Bedworth | A rating |
| Life Transformation Ministries | Newcastle upon Tyne | A rating |
| Life Unlimited | Coventry | A rating |
| Lifegate Church | Walsall | A rating |
| LIFEGRACE MINISTRIES INTERNATIONAL | CROYDON | A rating |
| LifeSpring Ministries | Wolverhampton | A rating |
| Lighthouse Ely | Ely | A rating |
| Liskeard Baptist Church Charity | Liskeard | A rating |
| Little Company of Mary Sisters England CIO | London | A rating |
| Little Sisters of the Poor | London | A rating |
| Liverpool Chinese Gospel Church | Liverpool | A rating |
| Liverpool Diocesan Board of Finance | Liverpool | A rating |
| LIVERPOOL GANESH TRUST | LIVERPOOL | A rating |
| LIVERPOOL MURUGAN TEMPLE | BIRKENHEAD | A rating |
| Living Church of God | Kettering | A rating |
| Living Faith Foursquare Gospel Church | Bedford | A rating |
| Living Light Christian Church | Taunton | A rating |
| Living Water Baptist Mission London | London | A rating |
| LIVING WISDOM WORD MINISTRY | OLDHAM | A rating |
| LIVING WISDOM WORD MINISTRY, MILTON KEYNES | MILTON KEYNES | A rating |
| LIVING WORD MINISTRY (HULL) | HULL | A rating |
| LIVINGSPRING CHAPEL TRUST | KENT | A rating |
| LIVINGWAY MINISTRIES | London | A rating |
| Llandaff Diocesan Board of Finance | Bridgend | A rating |
| Local Christian Assembly (Vauxhall) | London | A rating |
| Lochgilphead Baptist Church | Lochgilphead | A rating |
| London Arabic Evangelical Church | London | A rating |
| LONDON BAPTIST CHURCH | LONDON | A rating |
| LONDON BUDDHIST VIHARA | CHISWICK | A rating |
| London Chinese Alliance Church | Harrow | A rating |
| London Chinese Baptist Church | London | A rating |
| London City Mission | London | A rating |
| London Diocesan Fund | London | A rating |
| LONDON FULL GOSPEL CENTRAL CHURCH | LONDON | A rating |
| LONDON GOOD NEWS CHURCH | Hanwell | A rating |
| London Institute of Vedic Education | Coulsdon | A rating |
| London International Christian Church | London | A rating |
| London Islamic Culture And Recreation Society | London | A rating |
| London Jesus Vision Church | London | A rating |
| London Presbyterian Church | LONDON | A rating |
| LONDON RIVERSIDE CHURCH | Dagenham | A rating |
| LONDON SEVASHRAM SANGHA | LONDON | A rating |
| London Shogyoji Trust | London | A rating |
| London Sikh Centre | London | A rating |
| London Sivan Kovil Trust | London | A rating |
| LONDON SRI MURUGAN TEMPLE | LONDON | A rating |
| Loughbrickland Reformed Presbyterian Church | Banbridge | A rating |
| luton islamic centre | luton | A rating |
| Maclellan Foundation Scotland Limited | Bridge of Allan | A rating |
| Madhyamaka Kadampa Meditation Centre | York | A rating |
| Madrasa-Tul-Madina | Glasgow | A rating |
| Mahamevnawa International Meditation Centre | Basildon | A rating |
| MAHAMEVNAWA MEDITATION CENTER UK | WIDNES | A rating |
| Mahavir Foundation | Harrow | A rating |
| MAJLIS-E-ISHAATUL QURAAN | LEICESTER | A rating |
| MAKKI MUSLIM SOCIETY | BOLTON | A rating |
| Malankara Mar Thoma Syrian Church Diocese of UK, Europe and Africa | Ashford | A rating |
| Manarat Foundation | Birmingham | A rating |
| Manchester City Chapel | Manchester | A rating |
| Manchester Diocesan Board of Finance | BURY | A rating |
| Manchester Islamic Institute t/a Manchester Islamic Centre | Manchester | A rating |
| MANCHESTER PENTECOSTAL CHURCH | Manchester | A rating |
| Manchester Reform Congregation | Manchester | A rating |
| Manchester Yedam Church | Manchester | A rating |
| MANDARIN EVANGELICAL CHURCH LONDON LTD | London | A rating |
| Mar Thoma Church Canterbury, Kent | Maidstone | A rating |
| Marhaba Charitable Trust & Masjid Al Noor | Boston | A rating |
| Marian Fathers Charitable Trust | London | A rating |
| Marian Mission for the Poor | Leyton | A rating |
| Mariapolis Ltd | Welwyn Garden City | A rating |
| MARKAZI JAMIA MASJID GHAUSIA | HUDDERSFIELD | A rating |
| markazi jamia mosque riza | huddersfield | A rating |
| MARKAZI JAMIAT AHL E HADITH | Bradford | A rating |