| Hatherley & Reddings Cricket Club | Cheltenham | A rating |
| Haverfordwest County AFC | HAVERFORDWEST | A rating |
| Haverigg CC | Millom | A rating |
| Hawkesbury Upton Cricket Club | Badminton | A rating |
| Hayes (Kent) Cricket Club Limited | Bromley | A rating |
| HAYES KABADDI CLUB LONDON LTD | Hayes | A rating |
| Hayes Kabbadi Club | Middlesex | A rating |
| Haywards Heath Cricket Club | Haywards Heath | A rating |
| Hazel Jackson Equestrian Services | Sway | A rating |
| HCC 2015 Ltd | Harpenden | A rating |
| Heart of Midlothian plc | Edinburgh | A rating |
| Heathcoat Cricket Club | Tiverton | A rating |
| HEATON CRICKET CLUB | BOLTON | A rating |
| Hem Heath Cricket Club | Stoke on Trent | A rating |
| Hemel Storm Basketball Club | Hemel Hempstead | A rating |
| Henbury Polo Ltd | Henbury | A rating |
| Heriot's Cricket Club | Edinburgh | A rating |
| Hernan Muzzio | Maidenhead | A rating |
| Hethersett & Tas Valley Cricket Club | Norwich | A rating |
| HETTON LYONS Cricket Club | Sunderland | A rating |
| Heyside Cricket Club | Oldham | A rating |
| Hibernian Football Club Limited | Edinburgh | A rating |
| HIGHFIELD CRICKET CLUB | WIGAN | A rating |
| Hightown St. Mary's Cricket Club | Liverpool | A rating |
| Himley Cricket Club | Himley | A rating |
| Hinksey Sculling School Limited | Kidlington | A rating |
| Hinton Charterhouse Cricket Club | Bath | A rating |
| HiTech Grand Prix Limited | Silverstone | A rating |
| Hoddesdon Cricket Club | Hoddesdon | A rating |
| Holcombe Hockey Club | Rochester | A rating |
| HOLMESDALE CRICKET CLUB LTD | SEVENOAKS | A rating |
| Holywood Cricket Club | Holywood | A rating |
| HONDA MOTOR EUROPE LTD | Bracknell | A rating |
| Honley Cricket Club | Huddersfield | A rating |
| Hornchurch Cricket Club | Hornchurch | A rating |
| Horsford Cricket Club | Norwich | A rating |
| Horsham Cricket Club (part of Horsham Sports Club) | Horsham | A rating |
| Horspath Cricket Club | Oxford | A rating |
| Hoylandswaine Sports and Athletics Club | Sheffield | A rating |
| Hucknall Cricket Club | Hucknall | A rating |
| Huddersfield Giants Ltd | Huddersfield | A rating |
| Hull City Tigers Limited | Hull | A rating |
| Hull Kingston Rovers RLFC | Hull | A rating |
| Hull Super League Limited | Hull | A rating |
| Hull Zingari Cricket Club | Hull | A rating |
| Hurlingham Polo Association | Kidlington | A rating |
| HURRICANES SPORT LTD | Bristol | A rating |
| HWHC Limited | London | A rating |
| Hylton Cricket Club | Sunderland | A rating |
| Hyson Green Carrington cricket club | Nottingham | A rating |
| Ibstock Town Cricket Club | IBstock | A rating |
| ICE SPORT (DUNDEE) LTD | Dundee | A rating |
| Ickenham Cricket Club | Ickenham | A rating |
| Ifield Cricket Club | London | A rating |
| Ilminster Cricket Club | Ilminster | A rating |
| Inglesham Polo Centre | Broadway | A rating |
| Instonians | Belfast | A rating |
| Inverness Caledonian Thistle Football Club | Inverness | A rating |
| Invicta Dynamos Limited | Maidstone | A rating |
| Ipswich Speedway Promotions Ltd | Ipswich | A rating |
| IPSWICH TOWN FOOTBALL CLUB | Ipswich | A rating |
| Ipswich Town Womens Football Club Limited | Ipswich | A rating |
| Irish Football Association Limited | Belfast | A rating |
| Irongate Ltd | Winstone | A rating |
| Irvine Cricket Club | Irvine | A rating |
| Ivybridge Cricket Club | Ivybridge | A rating |
| Iyengar Yoga (UK) Ltd | Bristol | A rating |
| Iyengar Yoga Institute Maida Vale | London | A rating |
| J F Polo Ltd | Bicester | A rating |
| J.R. Beim | Cirencester | A rating |
| J&G Meakin Cricket Club | Stoke-on-Trent | A rating |
| Jack Hyde | West End | A rating |
| James Harper Polo Ltd | Keyshott | A rating |
| Jean Paul Luksic - Gaston Polo Team | Liphook | A rating |
| Jehangiri Polo Limited | Maidenhead | A rating |
| Jer Lane Cricket Club | Bradford | A rating |
| JHR DEVELOPMENTSLIMITED | DRONFIELD | A rating |
| Jindal Polo Limited | London | A rating |
| JMN Richardson Ltd | Shipley | A rating |
| John Garland | Stevenage | A rating |
| John Paul Clarkin | Cheltenham | A rating |
| Johnston Racing Limited | Leyburn | A rating |
| Jose Ramon Araya t/as JRA Polo | Windsor | A rating |
| JTR (UK) Limited | bedford | A rating |
| Judospace Ltd | Foxton | A rating |
| Junction 6 Limited | Begbroke | A rating |
| KABADDI SPORT CLUB SOUTHALL LTD | Ickenham | A rating |
| Kearsley cricket club | Bolton | A rating |
| Kelburne Cricket Club | Paisley | A rating |
| Kelecyn Eventing Ltd | Guildford | A rating |
| Kelso Cricket Club | Kelso | A rating |
| Kendal Cricket Club | Kendal | A rating |
| Kenilworth Wardens | Kenilworth | A rating |
| Kent County Cricket Club | Canterbury | A rating |
| Keswick Cricket Club | Keswick | A rating |
| Keyersbridge Ltd | Maidenhead | A rating |
| Keynsham Cricket Club | Keynsham | A rating |
| Kian Hall Polo Ltd | Hassocks | A rating |
| Killyclooney Cricket Club | Strabane | A rating |
| Kilmarnock Cricket Club | Kilmarnock | A rating |
| Kimberley Institute Cricket Club | Nottingham | A rating |
| King Power Polo | Maidenhead | A rating |
| Kings Dock Sports Group Limited | London | A rating |
| Kings Lynn Speedway | Kings Lynn | A rating |
| Kingstonian Cricket Club | New Malden | A rating |
| Kirkburton Cricket Club | Huddersfield | A rating |
| Kislingbury Temperance Cricket Club | Northampton | A rating |
| Knaresborough Cricket Club | Knaresborough | A rating |
| Knowle & Dorridge Cricket Club | Solihull | A rating |
| Knowle Cricket Club | Bristol | A rating |
| Knypersley Cricket Club | Stoke-on-Trent | A rating |
| Kubler Racing Ltd | Upper Lambourn | A rating |
| Kurland Park Polo Limited | Midhurst | A rating |
| Kusnacht Practice Polo Team | Maidenhead | A rating |
| La Briosa Limited | Windsor | A rating |
| La Dolfina Limited | Maidenhead | A rating |
| La Hechicera Polo Team | Liphook | A rating |
| La Juliana Polo UK | Sunninghill | A rating |
| La Mariposa Polo Ltd | Twyford | A rating |
| La Rosada Polo Team | Kirtlington | A rating |
| Lancashire County Cricket Club Ltd | Manchester | A rating |
| Lancaster Cricket Club | Lancaster | A rating |
| Lanchester Cricket Club | Lanchester | A rating |
| Lansdown Cricket Club | Bath | A rating |
| Larne Community Football Limited | Larne | A rating |
| Las Brisas Polo Ltd | Reading | A rating |
| LCL Sports Group Limited | Ditton | A rating |
| Le Poer Polo Limited | Binfield | A rating |
| Leadenham Polo Club Ltd | Leadenham | A rating |
| Leamington Cricket Club | Leamington spa | A rating |
| LEEDS CRICKET FOOTBALL AND ATHLETIC COMPANY LTD | LEEDS | A rating |
| Leeds Hockey Club | Leeds | A rating |
| Leeds Ice Hockey Ltd | Leeds, | A rating |
| Leeds Rhinos Netball Limited | Leeds | A rating |
| LEEDS UNITED FOOTBALL CLUB LIMITED | Leeds | A rating |
| Leek Cricket Club | Leek | A rating |
| legacy fight promotions | sheffield | A rating |
| Leicester City FC | Leicester | A rating |
| Leicester City Women Football Club | Leicester | A rating |
| Leicester Electricity Sports Cricket Club | Leicester | A rating |
| LEICESTER FOOTBALL CLUB Plc | LEICESTER | A rating |
| leicester kabaddi club ltd | leicester | A rating |
| Leicester Riders | Leciester | A rating |
| Leicestershire County Cricket Club | Leicester | A rating |
| Lent Polo Partnership | Lodsworth, Petworth | A rating |
| Leon Paul Equipment Company Limited | London | A rating |
| Lepton Highlanders Cricket Club | Huddersfield | A rating |
| Les Lions Farm Ltd | Maidenhead | A rating |
| Lewes 2000 FC Limited | Lewes | A rating |
| Leycett Cricket Club | Newcastle-Under-Lyme | A rating |
| Leyland Cricket Club | Leyland | A rating |
| Leyton Orient Football Club Limited | Leyton | A rating |
| LGT Polo Ltd | Tetbury | A rating |
| Lightcliffe & Halifax Cricket Club | Halifax | A rating |
| Limitless Polo Team | Reading | A rating |
| Lincoln City Football Club Company Limited | Lincoln | A rating |
| Lindal Moor Cricket Club | Ulverston | A rating |
| Linden Park Cricket Club | Tunbridge Wells | A rating |
| Lindfield Cricket Club | Lindfield | A rating |
| Linfield Football Club | Belfast | A rating |
| Lintz Cricket Club | Newcastle upon Tyne | A rating |
| Lisburn Cricket Club | Lisburn | A rating |
| Little Giants Volleyball Club Limited | London | A rating |
| Little Hulton Cricket & bowling Club | Manchester | A rating |
| LITTLE LEVER CRICKET CLUB | BOLTON | A rating |
| Littleborough Cricket Club | Littleborough | A rating |
| Littletown Cricket Club | Littletown | A rating |
| Liverpool Women's FC Limited | Liverpool | A rating |
| Livingston Football Club Limited | Livingston | A rating |
| LLANELLI SCARLETS LIMITED | LLANELLI | A rating |
| Llanelli Town AFC | Llanelli | A rating |
| Lodge Service International Limited | Cirencester | A rating |
| London Mavericks Netball Ltd | London | A rating |
| London Pulse | Epsom | A rating |
| London Rugby League Limited | London | A rating |
| LONDON RUGBY LEAGUE LIMITED | Richmond | A rating |
| London Spirit (The Hundred) Limited | LONDON | A rating |
| LONDON TIGERS | LONDON | A rating |
| Longridge Cricket Club | Longridge | A rating |
| Longton Cricket Club | Stoke on Trent | A rating |
| Loon Investments | Ongar | A rating |
| LORDSWOOD CRICKET CLUB | CHATHAM | A rating |
| Lostock Cricket Club | Bolton | A rating |
| Loughborough College Group | Loughborough | A rating |
| Loughborough Greenfields Cricket Club | Loughborough | A rating |
| Loughborough University | Loughborough | A rating |
| Louis Hine | Reading | A rating |
| Louth Cricket Club | Louth | A rating |
| Lowerhouse Cricket Club | Burnley | A rating |
| LPS 2 Limited t/a Big Box Padel Club | Huddersfield | A rating |
| LTA Services LTD | London | A rating |
| Ludlow Cricket Club | Ludlow | A rating |
| Lullington Park Cricket Club | Swadlincote | A rating |
| Luton Town And Indians Cricket Club | Luton | A rating |
| Luton Town Football Club 2020 Ltd | Luton | A rating |
| Lutterworth Cricket Club | Lutterworth | A rating |
| LW Polo LLP | Sherston | A rating |
| Lytham Cricket and Sports Club | Blackpool | A rating |
| M Polo Limited | London | A rating |
| Mad Dogs Polo Team | Shurlock Row | A rating |