| Haron East Ltd | Upminster | A rating |
| HAROON COLLECTION LTD | Southall | A rating |
| HAROON HALAL MEAT LIMITED | Ilford | A rating |
| Haroon Iqbal t/a Soprano's Pizzeria | Middlesbrough | A rating |
| Harp80 LTD T/A Bath & Tile Depot | Leicester | A rating |
| Harpenden Mill Autocare Limited | Harpenden | A rating |
| Harpenden Secondary Education Trust | Harpenden | A rating |
| Harper & Willow Ltd | Northumberland | A rating |
| Harper Adams University | Newport | A rating |
| HARPER ASHBY BOWLES LIMITED | Enfield | A rating |
| Harper Asprey Wildlife Rescue | Windlesham | A rating |
| Harper Church | Glasgow | A rating |
| Harper James Ltd | Birmingham | A rating |
| Harper Law Ltd | Manchester | A rating |
| Harper Macleod LLP | GLASGOW | A rating |
| Harper Medical Limited | London | A rating |
| Harper Stone Properties Ltd | Hove | A rating |
| HarperCollins Publishers Limited | Glasgow | A rating |
| HARPREET SECURE LOGISTIC LTD | Wolverhampton | A rating |
| Harps News & Off License Ltd | Grimsby | A rating |
| HARPSCREEN (GB) LIMITED | St Helens | A rating |
| Harpscreen Int Ltd | Dungannon | A rating |
| HARRAL COSTS ASSESSOR LTD | LONDON | A rating |
| Harrall Care Services Ltd T/a Home Instead St Albans | St. Albans | A rating |
| Harrath Engineering Limited | Essex | A rating |
| Harraton Court Stables Ltd | Newmarket | A rating |
| HARREN LIMITED | West Bridgford | A rating |
| Harri Technologies (UK) Limited | Barnet | A rating |
| Harrington Cooper LLP | London | A rating |
| HARRINGTON HOMES LIMITED | LONDON | A rating |
| Harrington Nurseries LTD | Wisbech | A rating |
| Harris & Trotter LLP | London | A rating |
| Harris Academy Beckenham | Bromley | A rating |
| Harris Academy Bromley | Beckenham | A rating |
| Harris Academy Chafford Hundred | Grays | A rating |
| Harris Academy Falconwood | Welling | A rating |
| Harris Academy Greenwich | London | A rating |
| HARRIS ACADEMY MERTON | MITCHAM | A rating |
| Harris Academy Ockendon | South Ockendon | A rating |
| Harris Academy Rainham | Rainham | A rating |
| Harris Academy South Norwood | London | A rating |
| Harris Care Ltd | Birmingham | A rating |
| Harris Catering Ltd | Pershore Worcestershire | A rating |
| HARRIS CHEMISTS LIMITED | LONDON | A rating |
| Harris City Academy Crystal Palace | Crystal Palace | A rating |
| Harris Federation | Croydon | A rating |
| HARRIS GIRLS ACADEMY EAST DULWICH | LONDON | A rating |
| Harris Health Limited T/A Bluebird care | Pontypool | A rating |
| Harris Pye UK Ltd | Llandow | A rating |
| Harris Security Services | Barking | A rating |
| Harris Systems Limited | Wokingham | A rating |
| Harris Williams & Co. Limited | London | A rating |
| HARRIS, ROTHERAM & CO. (THE MARKSMAN) LIMITED | LONDON | A rating |
| Harrison Castings Ltd | Leicester | A rating |
| Harrison Clark Rickerbys Limited | Worcester | A rating |
| Harrison Eidsgaard Ltd | Richmond | A rating |
| Harrison Health Clinics Limited t/a Harrison Family Vets | Harrogate | A rating |
| HARRISON INTELLECTUAL PROPERTY LIMITED | Sutton Coldfield | A rating |
| Harrison Leisure Acquisitions Ltd | Bridlington | A rating |
| Harrison Morgan Limited t/a HELM | London | A rating |
| Harrison News Limited | Leicester | A rating |
| Harrison Partners Limited | Sutton Coldfield | A rating |
| Harrison Spice | Leicester | A rating |
| Harrison Street Real Estate Capital Ltd. | London | A rating |
| Harrison Varma Projects Limited | London | A rating |
| Harrison/Parrott Ltd | LONDON | A rating |
| HARRISONS ARBROATH LIMITED | Arbroath | A rating |
| HarrisonStevens Ltd | Edinburgh | A rating |
| Harriston Homes Limited | London | A rating |
| Harro Hare Law LTD | Harrogate | A rating |
| Harrods Aviation Ltd | Stansted | A rating |
| Harrods Ltd | London | A rating |
| Harrogate & District NHS Foundation Trust | Harrogate | A rating |
| Harrogate Cricket Club | Harrogate | A rating |
| Harrogate Dental Care Limited | Harogate | A rating |
| Harrogate Neighbours Housing Association Limited | Harrogate | A rating |
| Harrogate Skills 4 Living | Harrogate | A rating |
| HARROGATE TOWN AFC LTD | HARROGATE | A rating |
| Harrop HR Missions Ltd | Epsom | A rating |
| HARROW ACCOUNTANTS AND TAX ADVISORS LTD | STANMORE | A rating |
| Harrow Cafe Ltd. T/As Treat | Harrow | A rating |
| HARROW FOOD & WINE (UK) LTD | HARROW | A rating |
| Harrow Food Centre | Harrow | A rating |
| Harrow Health CIC | Northwood | A rating |
| HARROW HIGH SCHOOL | HARROW | A rating |
| Harrow Independent College | London | A rating |
| HARROW KITCHEN LTD | Pinner | A rating |
| Harrow Lane Dental Surgery | East Sussex | A rating |
| Harrow Local Food & Wine Limited | Harrow | A rating |
| Harrow Multiple Sclerosis Therapy Centre | Harrow | A rating |
| Harrow On The Hill Motors Limited | Middlesex | A rating |
| Harrow School | Harrow on the Hill | A rating |
| Harrow Service Centre Limited | Harrow | A rating |
| Harrow Smile Clinic | London | A rating |
| Harrow Visionplus Limited t/a Specsavers | Harrow | A rating |
| HARROW WEALD DENTAL PRACTICE LTD | MIDDLESEX | A rating |
| HARROWBY LODGE NURSING HOME LIMITED | grantham | A rating |
| harrowgatehill dental | Darlington | A rating |
| Harry & Sons Ltd | Motherwell | A rating |
| Harry Dobbs Design Ltd | London | A rating |
| Harry Flashmans Ltd | Chelmsford | A rating |
| Harry Fry Racing | Dorchester | A rating |
| Harry Martin Ltd | Harrow | A rating |
| HARRY S BUILDERS LIMITED | GRAYS | A rating |
| Harry Singh Luton Limited | Luton | A rating |
| Harry Store | Sutton In Ashfield | A rating |
| Harry's Convenience Store Limited | Rhyl | A rating |
| Harrys Fish Bar | Chertsey | A rating |
| Harrys Grooming Limited | London | A rating |
| HARRYS OF LONDON LIMITED | London | A rating |
| Harsbrook Ltd | Chelsea | A rating |
| Harsco Metals Group Limited | London | A rating |
| Harseerat Construction Ltd | Harrow | A rating |
| Harsh Software Solutions Limited | Hounslow | A rating |
| Harsha Raja & Vijay Chandra Raja T/A Centro Convenience Store | London | A rating |
| Harshad R Kawa t/a Day to Day | Glasgow | A rating |
| HARSHAL TRADING LIMITED | LEICESTER | A rating |
| Harsher Gujral Ltd | Harrow | A rating |
| Harshi's Desserts Limited | Blackpool | A rating |
| Harshita Solution Ltd | Pinner | A rating |
| Harshitha UK Ltd t/a Premier (Harshi Convenience Store) | NEWCASTLE UPON TYNE | A rating |
| HARSHIV ENTERPRISE LIMITED | EDGWARE | A rating |
| Harshiya Limited | Bristol | A rating |
| HARSHRAJ LIMITED T/A LION PHARMACY | GRAVESEND | A rating |
| HARSIDDHI LIMITED T/A WALTHAMCAHSE VILLAGE STORE | WALTHAMCHASE | A rating |
| Harsim Ltd T/A Plan Burrito | Shrewsbury | A rating |
| HARSIMRAN FOOD AND WINE LIMITED T/A Heath News | London | A rating |
| Harsimrat Ltd T/A Kang Motors | West Bromwich | A rating |
| HARSTON CONVENIENCE STORE LTD | HARSTON | A rating |
| Hart & Lova Bakery | London | A rating |
| Hart Care Limited | Devon | A rating |
| Hart Media Limited | LONDON | A rating |
| HART MEDICAL PRACTICE | HARTLEPOOL | A rating |
| HART PERI PERI LIMITED | Hampshire | A rating |
| Hart Store | Luton | A rating |
| Hartcliffe Dental Partnership T/A Purple Dental Care | Bristol | A rating |
| HARTE AND GARTER AURA LIMITED | Windsor | A rating |
| HARTFIELD STORES LTD T/A HARTFIELD STORES | HARTFIELD | A rating |
| Hartford Care Group Limited | Basingstoke | A rating |
| Hartford Underwriting Agency Ltd | London | A rating |
| Hartismere Family of Schools | EYE | A rating |
| HARTLAND SHIPPING SERVICES LIMITED | London | A rating |
| Hartlands Care Home Limited | Shrewsbury | A rating |
| Hartlepool and Stockton Health Ltd | Stockton-on-Tees | A rating |
| Hartlepool Cricket Club | Hartlepool | A rating |
| Hartlepool Specsavers Ltd | Hartlepool | A rating |
| Hartley Dental Practice Limited | Plymouth | A rating |
| Hartley Home Care Limited | Camelford | A rating |
| Hartleys Food & Drinks Ltd | Bognor Regis | A rating |
| HARTLEYS STORE LIMITED | HAVANT | A rating |
| Hartnell Brede Motors Limited | Rye | A rating |
| Hartnell Chanot & Partners t/a The Family Law Company | Exeter | A rating |
| Hartpark Limited | NEWPORT | A rating |
| Hartpury University | Gloucester | A rating |
| HARTQUEST LIMITED T/A PARK PHARMACY | WATFORD | A rating |
| Hartree Partners (UK) Limited | London | A rating |
| Hartrose Associates ltd | Huddersfield | A rating |
| Harts Group ltd. | Oakham | A rating |
| Harts Limited | Macclesfield | A rating |
| HARTS LONDON LTD | SURREY | A rating |
| Harts News | London | A rating |
| Hartshead Meats (2011) LTD | Ashton Under Lyne | A rating |
| Hartshead Moor Cricket Club | Cleckheaton | A rating |
| Hartshorne Motor Services | Walsall | A rating |
| Hartwig Care Limited | LONDON | A rating |
| Hartwood House Care Home | Lyndhurst | A rating |
| HARTY HOMECARE SERVICES LTD | COULSDON | A rating |
| Harunani and Co t/a Dentistry for you | London | A rating |
| Haruns Southport LTD TA Haruns Charcoal Grill | Southport | A rating |
| HARVEC LIMITED | Hertfordshire | A rating |
| Harvest Ayr | Ayr | A rating |
| Harvest Bakery Ltd | Peterborough | A rating |
| Harvest Bible Chapel Glasgow | Glasgow | A rating |
| Harvest Care Group Limited | Watford | A rating |
| Harvest Christian Fellowship t/a Harvest Church | Hamilton | A rating |
| Harvest Church London | Wembley | A rating |
| Harvest Coffee Limited | Waltham Abbey | A rating |
| Harvest Digital Ltd | London | A rating |
| Harvest Energy Retail Limited | London | A rating |
| Harvest Farms LTD | London | A rating |
| Harvest Fishing Company | Peterhead | A rating |
| Harvest Land Management Group Ltd | London | A rating |
| HARVEST N1 LTD | LONDON | A rating |
| Harvest N16 LTD | London | A rating |
| HARVEST N5 LTD | London | A rating |
| Harvest Property Group Ltd | London | A rating |
| Harvest Sourdough LTD T/A Harvest Bakery | London | A rating |
| Harvest Vision Ltd | Moggerhanger | A rating |
| Harvester Grocery Ltd | Port Talbot | A rating |
| Harvester Reformational Church Birmingham | Birmingham | A rating |
| HARVESTERS INTERNATIONAL CHRISTIAN CENTRE | London | A rating |
| HarvestEye Limited | Lincoln | A rating |
| HARVESTHOUSE CHRISTIAN CENTRE | BRISTOL | A rating |
| Harvey & Brockless Limited | London | A rating |
| Harvey & London Limited | Edinburgh | A rating |
| Harvey & Son (Lewes) Ltd. | LEWES | A rating |
| Harvey & Thompson Limited | Sutton | A rating |
| Harvey AI UK Ltd | Cheltenham | A rating |
| Harvey and London Ltd T/A The Osteopaths | Linwood | A rating |
| HARVEY CRAIG LTD | Ilford | A rating |