| H & I Morrison Shellfish Trading Ltd | South Uist | 2018 |
| H & K Farms Ltd | Bedale | 2020 |
| H & K Hendry Limited | Fraserburgh | 2003 |
| H & M Agricultural Limited | Stirling | 2015 |
| H & M Dairy Services Ltd. | Dalrymple | 2009 |
| H & P Ascroft Ltd | Southport | 2017 |
| H & R Jones CYF | Colwyn Bay | 2022 |
| H & S Farming Ltd | Minehead | 2023 |
| H & S Rogers Farming Ltd | Salisbury | 2004 |
| H & S Timber Limited | Pickering | 2025 |
| H & T Bioseed Limited | Loanhead | 2019 |
| H a Overton & Sons Limited | Halesworth | 2021 |
| H a Ross (Farmers) Ltd. | Tain | 2002 |
| H a Simpson and SON Ltd | Scarborough | 1990 |
| H and J Farms (Kelmscott) Ltd | Witney | 2022 |
| H Attwell Ltd | Taunton | 2017 |
| H B Barr Trading Limited | Liverpool | 2014 |
| H B Davenport Ltd | Dolgellau | 2013 |
| H B Green & SON Limited | Glastonbury | 2003 |
| H B Reid & SON Limited | Salisbury | 2014 |
| H Barker & SON Limited | York | 2002 |
| H C Bourn & SON (Farming) Limited | West Barkwith | 2014 |
| H C Brown Limited | Harleston | 2016 |
| H Collins Farmhaul Limited | Banbury | 2012 |
| H Collins Farms Limited | Banbury | 2012 |
| H D & C Organic Eggs Ltd | Ceredigion | 2007 |
| H E a Services Ltd | Wimborne | 2007 |
| H E Mattocks & Sons Ltd | Pewsey | 2016 |
| H E Stubbins and Sons Limited | East Riding | 1950 |
| H E Upton Contracting Ltd | Ingatestone | 2026 |
| H Equestrian Limited | Newent | 2015 |
| H Fishing Ltd | Fraserburgh | 2026 |
| H G Bliss Farms Ltd | King'S Lynn | 2012 |
| H G Gradidge & Sons Limited | Plymouth | 1998 |
| H G Rand & Sons Limited | Witney | 2018 |
| H G Rees Limited | Llanidloes | 2016 |
| H G Verney & SON Limited | Tetbury | 2002 |
| H Goose Farming Limited | Spalding | 2023 |
| H H Harvey Limited | Faversham | 1984 |
| H Haworth Contracting Ltd | Bacup | 2025 |
| H Haywood and SON Limited | Melton Mowbray | 2016 |
| H J Alston & Sons Limited | Norfolk | 1993 |
| H J Gardens Limited | Stoke-On-Trent | 2013 |
| H J Gauntlett & Sons Limited | Winchester | 2011 |
| H J Hill Settlement Limited | Birmingham | 2015 |
| H J Livestock Ltd | Armagh | 2021 |
| H J Sutcliffe Ltd | Clitheroe | 2024 |
| H J Walker & Company Limited | Newton Stewart | 2008 |
| H J Williamson Marine Ltd | Whalsay | 2026 |
| H L Boulton & Sons Limited | Staffordshire | 2002 |
| H L M Cattle Services Ltd | Glenrothes | 2018 |
| H L Stott & Sons Contracting Ltd | Wells | 2013 |
| H M Bloodstock Services Ltd | Shipston-On-Stour | 2019 |
| H Matthews & SON Limited | Ceredigion | 2005 |
| H Middlewood & SON Limited | Driffield | 2012 |
| H Monkman & Sons Limited | Malton | 2021 |
| H P Barrass Limited | Morpeth | 2022 |
| H P Henley Limited | Cranbrook | 1959 |
| H P Jones & SON Limited | Chester | 2007 |
| H Pawson & SON Ltd | Louth | 2026 |
| H Pearson & Paws Ltd | Bury | 2024 |
| H Platt & Sons (Leftwich) Limited | Tarporley | 1952 |
| H R Contractors Limited | Dumfries | 2005 |
| H R Edwards & SON Ltd | Hereford | 2024 |
| H R Foot Limited | Wellington | 1982 |
| H R Henderson & SON | Carlisle | 2023 |
| H R White Limited | Hope Valley | 2017 |
| H Shepherd & SON Limited | Market Drayton | 2005 |
| H SLY and Sons Limited | Spalding | 2017 |
| H Tinney Farming Limited | Harlow | 2022 |
| H Tracy Farriers Ltd | Rugeley | 2022 |
| H V Wright & SON Limited | Cheshire | 2003 |
| H W Forestry Limited | Neath Port Talbot | 2007 |
| H W Macqueen Contracting Limited | Inverness | 2017 |
| H Walker & SON Sprayers Ltd | Bridlington | 2012 |
| H Ward Farming Limited | Market Rasen | 2015 |
| H Waterer Limited | Woodbridge | 2018 |
| H Watson Limited | Bridlington | 2006 |
| H Y G Farming Limited | Betws-Y-Coed | 2018 |
| H&A Farming Limited | Gloucester | 2012 |
| H&Aa Wastenage Limited | Salterton | 2017 |
| H&C Blaken & SON Limited | Harrogate | 2017 |
| H&C Imhof Ltd | Aberdeen | 2010 |
| H&H Environmental Ltd | Boston | 2025 |
| H&H Trees Limited | Rye | 2025 |
| H&I Equestrian Ltd | Blaenau Ffestiniog | 2025 |
| H&K Aquatics Ltd | Heanor | 2025 |
| H&M Hasson Farms Limited | Garvagh | 2012 |
| H&N (GB) Limited | Worcester | 2014 |
| H&N Olesen Limited | Melrose | 2014 |
| H&P Eventing Limited | Maidstone | 1980 |
| H&S Rural Enterprise Ltd | Inverness | 2025 |
| H&W Arboricultural Specialists Limited | Doncaster | 2017 |
| H&W Services T AS Salix Arboriculture Limited | Banbury | 2024 |
| H, C & M O'Neill Ltd | Dromore | 2025 |
| H-W Tree Surgeons Ltd | Eastleigh | 2015 |
| H. & a. Wason (Kamehill) Limited | East Lothian | 1978 |
| H. & D. Moor (Farmers) Limited | Brough | 1962 |
| H. & F.N. Smith (Ellis Laithe) Limited | Barnsley | 1964 |
| H. & H.S. Vale Limited | Leighton Buzzard | 1996 |