| Kelshall Contracting Limited | Royston | 1998 |
| Kelsick House Farm Limited | Carlisle | 2012 |
| Kelston Farms Limited | Bath | 2018 |
| Kelston Knoll Farm Limited | Bath | 2021 |
| Keltings Copse Limited | Minehead | 2024 |
| Kelvin Brett Johnson Ltd | Cirencester | 2019 |
| Kelways Plants Limited | Langport | 2007 |
| Kemble Farms Limited | Cirencester | 1997 |
| Kemp Vale Limited | Lydbury North | 2014 |
| Kempen Horticultural Services UK Ltd | Newbury | 2016 |
| Kemplan Limited | Bedford | 2019 |
| Kempley COW Company Limited | Dymock | 2012 |
| Kempsford Farms Limited | Chippenham | 2011 |
| Kempsons Stud Limited | Milton Keynes | 2011 |
| Kemshead Ltd | Northampton | 2025 |
| Kemsley Moon Limited | Sittingbourne | 2023 |
| KEN Russell Farms Ltd | Polegate | 2015 |
| Kenanna&Asherro Limited | London | 2022 |
| Kenby Pigs Limited | Hull | 2018 |
| Kendal Fish Farms Limited | Newcatsle Upon Tyne | 1977 |
| Kendal Wildflowers Ltd | Kendal | 2021 |
| Kendall Crop Spraying Limited | Newquay | 2014 |
| Kendall Farming Ltd | Newquay | 2023 |
| Kendall Farms Limited | Truro | 2011 |
| Kendarctic Siberian Huskies Limited | Battle | 2022 |
| Kendo Fishing Ltd | Fraserburgh | 2018 |
| Kendricks Canine Services Ltd | Lincoln | 2019 |
| Kenelly Ltd | Manchester | 2024 |
| Kenharvest Global Ltd | London | 2025 |
| Kenilworth Pest Control Limited | Kenilworth | 2010 |
| Kenkou Daiichi Ltd | London | 2025 |
| Kenley Management Services Limited | East Yorkshire | 2003 |
| Kenlygreen Farms Limited | Forfar | 2008 |
| Kenlygreen Potatoes Limited | Forfar | 2017 |
| Kennedy Farming Ltd | Driffield | 2017 |
| Kennel Flatcharm Ltd | Matlock | 2024 |
| Kennelhub Ltd | Shrewsbury | 2025 |
| Kennerley Farms Ltd | Stockbridge | 2018 |
| Kennerleys Limited | Stoke-On-Trent | 2003 |
| Kenneth Mackenzie Contracting Ltd | Muir Of Ord | 2019 |
| Kenneth Peploe & SON Limited | Swindon | 1964 |
| Kenneth Smith Limited | Peterhead | 1959 |
| Kenneth Spencer Limited | Warminster | 1957 |
| Kennett Farms Limited | London | 2013 |
| Kenning Fishing Limited | Paisley | 2007 |
| Kenorland Ltd | Milton Keynes | 2015 |
| Kenron Ltd | Bishops Stortford | 2017 |
| Kensington Lodge Farm Ltd | Dereham | 2025 |
| Kenso Ltd | Wellington | 2018 |
| Kensons Farm Limited | Salisbury | 2019 |
| Kent & Sussex Dog Training Ltd | Tonbridge | 2024 |
| Kent and Sussex Tree Services Limited | Hastings | 2022 |
| Kent Aquatics Ltd | Gravesend | 2024 |
| Kent Bees Ltd | London | 2025 |
| Kent Contract Services Ltd | Rochester | 2026 |
| Kent County Tree Care Limited | Ashford | 2018 |
| Kent Dog Sitter - Aylesford Ltd | Aylesford | 2025 |
| Kent Dog Sitter - Rochester Ltd | Rochester | 2025 |
| Kent Dog Sitter Ltd | Snodland | 2025 |
| Kent Dog Walker (Group) Ltd | Maidstone | 2017 |
| Kent Dog Walker (Malling) Ltd. | Snodland | 2020 |
| Kent Dog Walker (Snodland) Ltd. | Snodland | 2020 |
| Kent Downs Dairy Limited | Sevenoaks | 2020 |
| Kent Equestrian Limited | Sheringham | 2004 |
| Kent Forestry Limited | Ashford | 2020 |
| Kent Fruit Services (JAN Vogelaar) Limited | Blean | 1972 |
| Kent HAY & Straw Ltd | Winchester | 2020 |
| Kent House Sitting Ltd | West Malling | 2025 |
| Kent K9 Limited | Kent | 2006 |
| Kent Lobster Company Ltd | London | 2026 |
| Kent Lobster Group Ltd | London | 2026 |
| Kent Logs Limited | Herne Bay | 2017 |
| Kent Malt Ltd | London | 2020 |
| Kent OFF Lead Ltd | Aylesford | 2025 |
| Kent Orchard Services Ltd | Rochester | 2014 |
| Kent Particles Ltd | New Milton | 2024 |
| Kent Propagation Limited | Kent | 1991 |
| Kent Seed Labs Limited | Chatham | 2025 |
| Kent Tree Care Ltd | Orpington | 2006 |
| Kent Turkeys Limited | Ashford | 2013 |
| Kentavr (UK) Limited | Sevenoaks | 1997 |
| Kentfield Farm Ltd | Herne Bay | 2025 |
| Kentford Farm Stud Limited | Romsey | 2003 |
| Kentford Farms Ltd | Cambridge | 2022 |
| Kenthill Associates Ltd | Hove | 2022 |
| Kenton Park Estate Enterprises Limited | London | 2024 |
| Kents Farm Limited | London | 2025 |
| Kents Fields Property Company Limited | Leominster | 1998 |
| Kenvin Limited | Crediton | 2002 |
| Kenyon & Associates Limited | Hereford | 2025 |
| Keoldale Sheep Stock Company | Lairg | 2008 |
| Keonan Stables Limited | Craigavon | 2010 |
| Keramat Premium Foods Ltd | Stoke-On-Trent | 2022 |
| Kercock Estates Ltd | Carnforth | 2025 |
| Kerdarnik Ltd | London | 2024 |
| Kerimeg Nurseries Limited | Powys | 1999 |
| Keristrum Limited | Porthmadog | 2018 |
| Kerley & Co Limited | Cambridge | 2021 |
| Kernedonia Trawlers Ltd | London | 2026 |
| Kerni Consulting Limited | Inverness | 2025 |