| Glaube Consultancy Ltd | Chelmsford | A rating |
| Glazers | London | A rating |
| Glazite Ltd | Greenford | A rating |
| GLB SPV Ltd | London | A rating |
| GLD Brands Limited | Blairgowrie | A rating |
| Gleacher Shacklock LLP | London | A rating |
| Gleam Healthcare Ltd | Doncaster | A rating |
| Gleam Steel Limited | Slough | A rating |
| GLEAMING SECURE SERVICES LTD | Ilford | A rating |
| GLEAMING SUPPORT SERVICES LIMITED | Sevenkings | A rating |
| Gleamlite Services Limited | Worksop | A rating |
| Gleave Partnership Limited | London | A rating |
| Glebe Care Limited | London | A rating |
| Glebe Medical Practice | Lesmahagow | A rating |
| Glebe Park Surgery | Lincoln | A rating |
| Glebe Primary School | Uxbridge | A rating |
| Glebedale Medical Practice | Stoke-On-Trent | A rating |
| Glebefield Care Limited | Budleigh Salterton, | A rating |
| GLEDDOCH RESORTS LIMITED | LANGBANK | A rating |
| Gledhill Road Garage | Bradford | A rating |
| Glee Care Ltd | Leicester | A rating |
| Gleeds LLP | London | A rating |
| Gleet Productions Ltd | London | A rating |
| Gleiss Lutz | London | A rating |
| GLEN BUILDING SERVICES LTD T/A GBS SCAFFOLDING CONTRACTOR | DERRY | A rating |
| Glen Clova Scientific Ltd | Invergowrie | A rating |
| GLEN CONVENIENCE STORE | WEMBLEY | A rating |
| Glen Dimplex Home Appliances Ltd | Prescot | A rating |
| Glen Dimplex UK Limited | Southampton | A rating |
| Glen Grant Limited t/a Campari UK | London | A rating |
| Glen Mhor Ltd | Bristol | A rating |
| Glen Monarch Ltd | Glasgow | A rating |
| Glen Oak Fisheries | Crumlin | A rating |
| Glen Rothay Hotel Ltd | Ambleside | A rating |
| Glen Solicitors | London | A rating |
| Glen Turner Company Ltd | Bathgate | A rating |
| GLENACRE GROCERS LIMITED | Glasgow Cumbernauld , Scotland | A rating |
| Glenair UK Ltd. | MANSFIELD | A rating |
| Glenala Education Ltd | Lanark | A rating |
| Glenalmond College | PERTH | A rating |
| Glenangels Childcare Limited | Cobham | A rating |
| Glenapp Estate Company Ltd | Girvan | A rating |
| Glenarie Manor | Liverpool | A rating |
| Glenavon Care Limited | Chelmsford | A rating |
| Glenavon House Hotel 1982 Ltd | Cookstown | A rating |
| Glenbervie Care Limited | Larbert | A rating |
| Glenbervie Clinic Limited T/A Glenbervie Dental Clinic | Larbert | A rating |
| Glenburn Keystore Limited | Paisley | A rating |
| Glenburn Medical Practice | Paisley | A rating |
| Glencairn Dental Practice | Bebington | A rating |
| Glencarron Homes Ltd | Newry | B rating |
| Glencoe Care Limited t/a Glencoe Nursing Home | Hayle | A rating |
| Glencoe Properties Limited | Burton on Trent | A rating |
| Glencoe Property Ltd | London | A rating |
| Glencore Energy UK Limited | London | A rating |
| Glencore Industrial Assets UK Limited | Maidenhead | A rating |
| Glencore UK Ltd | London | A rating |
| GLENCROWN LIMITED | Orpington | A rating |
| GLENCROWN TRAINING AND CONSULTING SERVICES LIMITED | London | A rating |
| Glendale Church | Newbury | A rating |
| Glendale Countryside Ltd | Chorley | A rating |
| Glendale Court (Teignmouth) Limited | Torquay | A rating |
| Glendale Court (Teignmouth) Limited | Teignmouth | A rating |
| Glendale Engineering (Milfield) Limited | Wooler | A rating |
| Glendermott Cricket Club | Londonderry | A rating |
| GLENDERMOTT MEDICAL | DERRY | A rating |
| Glendola Leisure (Holdings) Limited | Heathrow | A rating |
| Glendon House | Cromer | A rating |
| Glendon House Ltd | Cromer | A rating |
| GLENDORA CARE LIMITED | London | A rating |
| Glendower School Trust Limited | London | A rating |
| Glendun Nursing Home Limited | Ballymena | A rating |
| Glenelly Infrastructure Solutions | Rugby | A rating |
| Glenfield House Nursing Home | Birmingham | A rating |
| Glenfield Surgery | Leicester | A rating |
| Glenfields Care Home Limited | Driffield | A rating |
| Glenfinnan House Hotel Management Ltd | Glenfinnan | A rating |
| Glenfinnan Sport Horses | Monmouth | A rating |
| Glenforsa Hotel Mull | Mull | A rating |
| GLENFORT TIMBER ENGINEERING LIMITED | Dungannon | A rating |
| Glengall Limited | Iver | A rating |
| GLENGARIFF COMPANY LIMITED | CLACTON ON SEA | A rating |
| Glenholme Healthcare group | Eton | A rating |
| Glenholme Specialist Healthcare (Saltdean) Limited | Slough | A rating |
| Glenhurst Lodge | Maidstone | A rating |
| Glenhurst Manor | Bournemouth | A rating |
| GLENIGAN LIMITED | Bournemouth | A rating |
| Glenkindie Lodge Residential Care Home | Desborough | A rating |
| Glenlorne Care & Support Ltd | Northampton | A rating |
| GLENLUCE FISHING CO. LIMITED | Newry | A rating |
| Glenmachan Tower Limited | Belfast | A rating |
| Glenmark Pharmaceuticals Europe Ltd | Watford | A rating |
| Glenmarshal Sires Ltd. | Newry | A rating |
| Glenmore Consortium Ltd | Wembley | A rating |
| Glenmore Mart Ltd t/a Glenmore Mini Market | Bathgate | A rating |
| Glenn Sherriff | Minehead | A rating |
| Glenn Thelwell and Associates Dental Care Ltd | Staveley | A rating |
| Glennon Brothers (UK) Ltd | Troon | A rating |
| Glenpark Medical Practice | Gateshead | A rating |
| Glenrands LTD | Cosham | A rating |
| Glenrath Farms Ltd | West Linton | A rating |
| GLENREA FARMS LIMITED | Dungannon | A rating |
| Glenrothes Baptist Church Ltd | Glenrothes | A rating |
| GLENROTHES DENTAL HOUSE LTD | Glenrothes, | A rating |
| GLENROTHES PHONE REPAIR LIMITED | Glenrothes | A rating |
| Glenrothes Vision Plus Ltd | Glenrothes | A rating |
| Glenroyd Estates Limited | Woodstock | A rating |
| Glenroyd Medical Centre | Blackpool | A rating |
| GLENS OF ANTRIM POTATOES LIMITED | BALLYMENA | A rating |
| Glenshane Fresh Farm Eggs Limited | Maghera | A rating |
| GLENSHANE TOURIST SERVICES LIMITED | MAGHERA | A rating |
| Glenshee Craft Distillers | Blairgowrie | A rating |
| Glenshire Brands (1) Ltd | Kirkcaldy | A rating |
| Glenthorne Care Services Limited | Bilston | A rating |
| Glentons Limited | Watford | A rating |
| Glentra Capital UK Limited | London | A rating |
| glenturas construction ltd | Derry | A rating |
| Glenturret Ltd | CRIEFF | A rating |
| Glentzes Tech Limited | Edinburgh | A rating |
| Glenwood Church | Cardiff | A rating |
| Gleoresa Limited t/a Cairns Chemist | Dover | A rating |
| GLEVUM DESIGN AND BUILD LIMITED t/a Glevum Windows commercial | Gloucestershire | A rating |
| GLF Schools | Banstead | A rating |
| GLHR (UK) Holdings Limited | London | A rating |
| GLI UK Gaming Laboratories International | Bangor | A rating |
| Glia Ecosystems Ltd | Berkhamsted | A rating |
| Glide N Slide LTD | Otley | A rating |
| Glide Student and Residential Ltd | Kenn | A rating |
| Glide Utilities Ltd | Birmingham | A rating |
| Gliffaes Hotel Limited | Crickhowell | A rating |
| Glimmer (Pvt) Limited | Kirkintilloch | A rating |
| Glimpse Analytics Ltd | Central Milton Keynes | A rating |
| Glin Glon Ltd trading as EPIC | London | A rating |
| Glinwell Marketing Limited | St Albans | A rating |
| Glite Tech Limited | London | A rating |
| GLITTER BOUTIQUE LIMITED | Egham | A rating |
| GLITTERS & GOLD LTD | Birmingham | A rating |
| GLMX Europe Limited | London | A rating |
| GLN TRADERS LTD | Doncaster | A rating |
| Glo Audio Visual Ltd | London | A rating |
| Glo Currency UK Limited | Manchester | A rating |
| GLO Europe | Motherwell | A rating |
| GLO Investments Limited | Ruislip | A rating |
| Glo-Networks Limited | Bridgend | A rating |
| Gloat UK Ltd | London | A rating |
| GLOBAL 1ST LTD | HARROW | A rating |
| Global 32 (UK) Property Management Ltd | New Malden | A rating |
| Global 4 Communications Ltd | Horsham | A rating |
| Global A1 Traders Limited | Brownhills | A rating |
| Global Academy UTC | Hayes | A rating |
| Global Access Care Ltd | Northampton | A rating |
| Global Access Limited t/a GA24CARE | Bristol | A rating |
| Global Accommodation Limited | Nottingham | A rating |
| GLOBAL ACCOUNTANTS (UK) LTD | HARROW | A rating |
| Global Actuarial Services Limited | Reigate | A rating |
| GLOBAL ADMISSION LIMITED | London | A rating |
| Global Aid Trust | London | A rating |
| Global Airline Services Limited | Stanwell | A rating |
| GLOBAL AIRPORT CONCIERGE LTD | London | A rating |
| Global Alliance Academy Limited | London | A rating |
| Global Alliance for Improved Nutrition, UK | London | A rating |
| Global and Health and Safety Ltd | Milton Keynes | A rating |
| Global Apartment Advisors Limited | London | A rating |
| Global Artistic Performers Ltd | London | A rating |
| GLOBAL ASPECTS (UK) LTD | LONDON | A rating |
| Global Asset Capital Europe LLP | London | A rating |
| GLOBAL ASSOCIATE & BUSINESS CONSULTANT UK LTD | London | A rating |
| Global ATS Ltd | Cheltneham | A rating |
| GLOBAL AUTOS MK | MILTON KEYNES | A rating |
| Global Banking School Limited | London | A rating |
| GLOBAL BARGAIN LTD | Salford | A rating |
| Global Beauty Products Ltd | Liverpool | A rating |
| GLOBAL BLUE (UK) LTD | London | A rating |
| Global Brain Europe Limited | London | A rating |
| Global Branded Residences Ltd | Woodstock | A rating |
| Global Brands Limited | Chesterfield | A rating |
| GLOBAL BUSINESS ASSOCIATES LTD | Ilford | A rating |
| Global Business Club Ltd | London | A rating |
| Global Business Promotions Ltd | London | A rating |
| Global Canopy | Oxford | A rating |
| Global Capital Partners London Ltd | London | A rating |
| Global Carbon Capture and Storage Institute Ltd | London | A rating |
| Global care (Hull) Ltd | Hull | A rating |
| GLOBAL CARE CONNECTIONS LTD | London | A rating |
| Global Care Link Ltd | Manor Park | A rating |
| Global Career Company Limited | London | A rating |
| Global Career Development Centre Limited | London | A rating |
| Global Cell Ltd | Walsall | A rating |
| Global Cement and Concrete Association | LONDON | A rating |
| Global Change Data Lab | Oxford | A rating |
| Global Charter Ltd | LONDON | A rating |
| Global Clinical Research Limited | Chelmsford | A rating |
| Global Clubfoot Initiative | London | A rating |
| Global Com Enterprise Ltd | Sheffield | A rating |
| Global Commerce & Industry Ltd | Edinburgh | A rating |
| Global Commodities Holdings Limited | London | A rating |
| Global Compact Network UK | London | A rating |
| Global Compliance and Regulatory Services Ltd | Cardiff | A rating |
| GLOBAL COMPOUNDS LIMITED | Oldham | A rating |
| GLOBAL COMPUTER SPECIALISTS LTD | Woodford Green | A rating |