| Easy-Grow ↗ | United Kingdom | Growing equipmentWholesale and distributionHemp products | 57 | Athens Cannabis Expo, Canapa Mundi, Cannafair, Cannafest +8 | 2026 |
| Growth Technology Ltd ↗ | United Kingdom | Growing equipmentNutrients and fertilizersWholesale and distribution | 45 | 4.20 Hemp Fest, Canapa in Mostra, CannaBusiness, CannaTrade +8 | 2026 |
| BULK SEED BANK ↗ | Slovenia, United Kingdom | Seed banks and geneticsParaphernalia and smoking accessories | 38 | Athens Cannabis Expo, BALKANNABIS EXPO, Canapa Mundi, Canapa in Mostra +6 | 2026 |
| HydroGarden Ltd ↗ | United Kingdom, Germany | Wholesale and distributionGrowing equipment | 32 | CannaBusiness, CannaTrade, Cannafest, Cultiva Hanfexpo +4 | 2025 |
| ENCOD | Belgium, Italy | Associations and institutionsServices and consulting | 28 | BALKANNABIS EXPO, Canapa Mundi, CannaTrade, Cannafest +7 | 2026 |
| Mascotte ↗ | Spain, Germany | Paraphernalia and smoking accessories | 25 | Cannafest, Expogrow, KONOPEX, Mary Jane Berlin +2 | 2026 |
| Seedsman ↗ | Spain, United Kingdom | Seed banks and geneticsGrowing equipmentVaporizersParaphernalia and smoking accessories | 24 | Athens Cannabis Expo, BALKANNABIS EXPO, Canapa in Mostra, CannaTrade +8 | 2026 |
| Autopot ↗ | United Kingdom | Growing equipment | 23 | Canapa Mundi, Canapa in Mostra, Cannafair, Cannafest +5 | 2024 |
| Basil Bush ↗ | United Kingdom | Seed banks and geneticsParaphernalia and smoking accessoriesVaporizersWholesale and distribution | 20 | Cannafair, Cannafest, Cultiva Hanfexpo, Spannabis | 2024 |
| Filter-it ↗ | Italy, United Kingdom | Paraphernalia and smoking accessories | 20 | Canapa in Mostra, Cannafest, Cultiva Hanfexpo, IndicaSativa Trade +3 | 2023 |
| Lumatek ↗ | Portugal, Malta | Growing equipmentCBD products | 20 | Canapa Mundi, CannaTrade, Cannabis Europa, Cannafest +6 | 2026 |
| Dalman | United Kingdom | Growing equipmentParaphernalia and smoking accessories | 18 | Cannafest, Cultiva Hanfexpo, Highlife, Product Earth | 2021 |
| Hemp Passion ↗ | United Kingdom, Spain | Wholesale and distributionSeed banks and geneticsGrowing equipment | 18 | Canapa Mundi, Canapa in Mostra, Cannafest, Cultiva Hanfexpo +5 | 2019 |
| Dutch Garden Supplies ↗ | Austria, Netherlands | Growing equipmentSeed banks and geneticsAssociations and institutionsWholesale and distribution | 16 | Cannabis Europa, Cannafest, Cultiva Hanfexpo, ICBC Berlin +2 | 2026 |
| THTC Clothing Ltd ↗ | United Kingdom | Wholesale and distributionShops and retailersHemp products | 14 | CannaDouro, CannaTrade, Cultiva Hanfexpo, Mary Jane Berlin +2 | 2026 |
| BULK SEED BANK . ORG ↗ | United Kingdom, Austria | Seed banks and genetics | 13 | Cannafest, IndicaSativa Trade, Mary Jane Berlin, Spannabis | 2025 |
| Top Shelf Packaging LTD ↗ | United Kingdom | Growing equipmentParaphernalia and smoking accessories | 13 | Cannafest, Mary Jane Berlin, Product Earth, Spannabis | 2024 |
| AutoPot Global Ltd ↗ | United Kingdom, Austria | Growing equipmentWholesale and distributionManufacturers | 12 | BALKANNABIS EXPO, CannaTrade, Mary Jane Berlin, Spannabis | 2025 |
| Lumatek Lighting ↗ | Malta, United Kingdom | ManufacturersGrowing equipment | 12 | CB Expo, CannaTrade, Cannafest, Cultiva Hanfexpo +2 | 2026 |
| Dalman (Import & Export) Limited | United Kingdom | Paraphernalia and smoking accessories | 11 | CannaBusiness, CannaTrade, Expogrow, Mary Jane Berlin +1 | 2021 |
| Harmony ↗ | United Kingdom, France | CBD productsVaporizersMedical cannabis and laboratoriesParaphernalia and smoking accessories | 11 | 4.20 Hemp Fest, CBD Expo France, Canapa Mundi, Cannafair +4 | 2022 |
| Pure Sativa ↗ | Netherlands, United Kingdom | Seed banks and geneticsHemp productsWholesale and distributionShops and retailers | 10 | Cannafest, Product Earth, Spannabis | 2023 |
| Nutriculture ↗ | United Kingdom | Growing equipment | 9 | CannaTrade, Cannafest, Cultiva Hanfexpo, Expogrow +1 | 2022 |
| Attitude Seedbank | United Kingdom | Seed banks and geneticsParaphernalia and smoking accessories | 8 | Cannafest, Cultiva Hanfexpo, Hemp & CBD Expo, Mary Jane Berlin +1 | 2026 |
| conscious genetics | United Kingdom | Seed banks and genetics | 8 | Cannafest, Mary Jane Berlin, Product Earth, Spannabis | 2026 |
| Herbman Hustlin ↗ | United Kingdom | Seed banks and geneticsParaphernalia and smoking accessoriesMedia and publishingHemp products | 8 | Mary Jane Berlin, Product Earth, Spannabis | 2026 |
| Abscent Minded ↗ | Netherlands, Spain | Paraphernalia and smoking accessories | 7 | Cannafest, Cultiva Hanfexpo, Mary Jane Berlin, Spannabis | 2023 |
| Alien Hydroponics | United Kingdom | Growing equipment | 7 | Cultiva Hanfexpo, Mary Jane Berlin, Spannabis, Technigrow | 2025 |
| Basil Bush Spain ↗ | Spain, United Kingdom | Wholesale and distributionSeed banks and geneticsParaphernalia and smoking accessories | 7 | Cultiva Hanfexpo, Mary Jane Berlin, Spannabis | 2025 |
| Bomb Seeds ↗ | United Kingdom, Netherlands | Seed banks and genetics | 7 | Cannafest, North Grow, Product Earth | 2019 |
| Budmaster Led ↗ | United Kingdom | Growing equipment | 7 | Canapa in Mostra, Cannafest, Cultiva Hanfexpo, Spannabis | 2018 |
| CBD-Intel ↗ | United Kingdom | Services and consulting | 7 | CB Expo, CannaTrade, Hemp & CBD Expo, HempsFair +1 | 2024 |
| DALMAN (IMPORT + EXPORT) LTD | United Kingdom | Wholesale and distributionParaphernalia and smoking accessories | 7 | CannaBusiness, CannaTrade, Highlife, Product Earth | 2017 |
| Jupiter Research ↗ | United Kingdom, United States | Vaporizers | 7 | Cannafest, Cultiva Hanfexpo, ICBC Berlin, Mary Jane Berlin | 2026 |
| Pot Pax | United Kingdom | Paraphernalia and smoking accessoriesVaporizers | 7 | Product Earth, Spannabis | 2019 |
| Terpeenes ↗ | United Kingdom, United States | Wholesale and distributionShops and retailersGrowing equipmentParaphernalia and smoking accessories | 7 | CannaFestival, CannaTrade, Cannafest, IndicaSativa Trade +1 | 2026 |
| BHO Hardware ↗ | United Kingdom | Paraphernalia and smoking accessories | 6 | Hemp & CBD Expo, Mary Jane Berlin, Product Earth | 2022 |
| Dank of England ↗ | United Kingdom | Paraphernalia and smoking accessoriesHemp productsArt and culture | 6 | Product Earth | 2024 |
| Prohibition Partners ↗ | Germany, United Kingdom | Media and publishing | 6 | CannaTrade, ICBC Berlin, Mary Jane Berlin, PTMC | 2025 |
| SHOGUN FERTILISERS ↗ | United Kingdom | Growing equipmentHemp productsAssociations and institutions | 6 | Cannafest, Product Earth | 2025 |
| 710 Genetics ↗ | United Kingdom | Seed banks and genetics | 5 | Canapa in Mostra, Product Earth | 2019 |
| Blue Cheese Clothing ↗ | United Kingdom | Hemp products | 5 | Product Earth | 2022 |
| Global Air Supplies ↗ | United Kingdom | Growing equipmentMedia and publishingWholesale and distributionExtraction | 5 | Cannafest, Mary Jane Berlin | 2026 |
| GreenPlanet Nutrients ↗ | Canada, United Kingdom | Growing equipmentWholesale and distributionNutrients and fertilizers | 5 | Cannafest, Mary Jane Berlin, Spannabis | 2026 |
| IKON - INTERNATIONAL ↗ | United Kingdom | Growing equipment | 5 | CannaTrade, Spannabis | 2004 |
| Medical Marijuana Genetics ↗ | United Kingdom | Medical cannabis and laboratoriesCBD productsSeed banks and genetics | 5 | Cannafest, Cultiva Hanfexpo, Expogrow, IndicaSativa Trade | 2018 |
| Propen | United Kingdom | Vaporizers | 5 | Product Earth, Spannabis | 2023 |
| Sativa Bags | United Kingdom, Czechia | Hemp products | 5 | Cannafest, Spannabis | 2018 |
| Big Buddha Seeds ↗ | United Kingdom | Seed banks and genetics | 4 | Spannabis | 2019 |
| BKS Tradeline | United Kingdom | Wholesale and distributionParaphernalia and smoking accessories | 4 | Product Earth | 2019 |
| Bud & Tender ↗ | United Kingdom | | 4 | Product Earth | 2023 |
| Budmaster ↗ | United Kingdom | Growing equipment | 4 | Cannafest, Cultiva Hanfexpo, Expogrow, Mary Jane Berlin | 2017 |
| Bulk Seeds | United Kingdom | | 4 | Cannafair, Cannafest, Spannabis | 2025 |
| Calipo | United Kingdom | | 4 | Mary Jane Berlin, Product Earth | 2025 |
| Cannasseurs UK ↗ | United Kingdom | | 4 | Product Earth | 2022 |
| CBD Life UK ↗ | United Kingdom | CBD products | 4 | Hemp & CBD Expo, Product Earth | 2021 |
| Dragonfly Europe | United Kingdom | Nutrients and fertilizers | 4 | Cannafest, Spannabis | 2019 |
| Dutch Garden Supplies EU | Austria, United Kingdom | Growing equipmentWholesale and distribution | 4 | Spannabis | 2026 |
| Easy Grow Refective foils Ltd. ↗ | United Kingdom | | 4 | CannaTrade | 2019 |
| Eden Horticulture ↗ | United Kingdom, Spain | Growing equipmentMedia and publishingWholesale and distribution | 4 | Cannafest, Mary Jane Berlin, Spannabis | 2025 |
| Global-Hydro | United Kingdom | Growing equipment | 4 | Cannafest, Spannabis | 2015 |
| Grotech Distribution | United Kingdom | Wholesale and distributionGrowing equipment | 4 | Cannafest, Product Earth, Spannabis | 2025 |
| Meet Harmony ↗ | Switzerland, United Kingdom | CBD products | 4 | CannaTrade, Mary Jane Berlin | 2021 |
| Rolls69 | United Kingdom | | 4 | Mary Jane Berlin, Product Earth | 2019 |
| Serious Seeds / House of the Great Gardener | Netherlands, United Kingdom | Seed banks and genetics | 4 | Spannabis | 2025 |
| TANTRIC SMOKE LTD. | United Kingdom | Paraphernalia and smoking accessories | 4 | CannaBusiness, CannaTrade, Spannabis | 2005 |
| The Attitude Inc. | United Kingdom | Seed banks and genetics | 4 | Product Earth, Spannabis | 2023 |
| The Attitude Seedbank | United Kingdom | | 4 | BALKANNABIS EXPO, Product Earth | 2024 |
| The Growers Wholesale | United Kingdom | Growing equipmentHemp productsCBD productsVaporizers | 4 | Cannafest | 2019 |
| Ali Bongo | United Kingdom | Paraphernalia and smoking accessoriesWholesale and distribution | 3 | Product Earth | 2022 |
| Aztec CBD ↗ | United Kingdom | CBD products | 3 | Cannafest, Cultiva Hanfexpo, Hemp & CBD Expo | 2022 |
| Black Sheep Dispensaries ↗ | United Kingdom | | 3 | Product Earth | 2022 |
| Cannabis Industry Council ↗ | United Kingdom | Media and publishingWholesale and distributionShops and retailersHemp products | 3 | CannaTrade, Cannabis Business Europe, Cannabis Europa | 2025 |
| CANNACARTS | United Kingdom | CBD productsVaporizers | 3 | Mary Jane Berlin, Product Earth | 2025 |
| Cog Marketing | United Kingdom | | 3 | Spannabis | 2006 |
| Dank Genetics ↗ | United Kingdom | Seed banks and genetics | 3 | Product Earth | 2019 |
| Dragonfly Earth Medicine ↗ | Canada, United Kingdom | Media and publishing | 3 | Cannafest, Mary Jane Berlin, Spannabis | 2026 |
| Easy-Grow / Mariner Industries Ltd ↗ | United Kingdom | Wholesale and distributionGrowing equipmentHemp products | 3 | Cannafest, Mary Jane Berlin | 2025 |
| Ellutia ↗ | United Kingdom | Associations and institutions | 3 | Cannafest, Mary Jane Berlin | 2019 |
| Eurodot Unlimited | United Kingdom | | 3 | CannaBusiness | 2003 |
| Green Stem | United Kingdom | CBD productsParaphernalia and smoking accessoriesVaporizers | 3 | Cannafest, Hemp & CBD Expo | 2020 |
| Harmony CBD ↗ | United Kingdom | | 3 | Cultiva Hanfexpo, Product Earth | 2019 |
| Hemp Tank | United Kingdom | | 3 | Hemp & CBD Expo, Product Earth | 2020 |
| Hempen Cooperative ↗ | United Kingdom | Hemp products | 3 | Product Earth | 2024 |
| Hemporium Organics | United Kingdom | | 3 | Product Earth | 2023 |
| Lady Sativa Genetics | United Kingdom | Seed banks and genetics | 3 | Product Earth | 2017 |
| Quintessential ↗ | United Kingdom | Paraphernalia and smoking accessoriesHemp products | 3 | Product Earth | 2019 |
| Rare Dankness ↗ | United Kingdom, Spain | Seed banks and genetics | 3 | Spannabis | 2023 |
| Smoke Loud UK ↗ | United Kingdom | Hemp products | 3 | Product Earth | 2023 |
| Snoop’s Premium Nutrients | United Kingdom, Spain | Nutrients and fertilizers | 3 | Spannabis | 2022 |
| SPYSEEDS | United Kingdom | Seed banks and genetics | 3 | Athens Cannabis Expo | 2022 |
| The Juicy Joint ↗ | United Kingdom | | 3 | Product Earth | 2022 |
| The Neutralizer ↗ | United Kingdom | Paraphernalia and smoking accessories | 3 | Cannafest, Expogrow, Spannabis | 2015 |
| Trichome Jungle Seeds | United Kingdom | Seed banks and genetics | 3 | Product Earth, Spannabis | 2025 |
| Vector Europe Ltd. ↗ | United Kingdom | Paraphernalia and smoking accessories | 3 | CannaBusiness, CannaTrade | 2003 |
| Zydot ↗ | United States, United Kingdom | Paraphernalia and smoking accessories | 3 | CannaBusiness, CannaTrade | 2003 |
| Activist | United Kingdom | CBD productsHemp products | 2 | Mary Jane Berlin, Product Earth | 2024 |
| Activist edibles | United Kingdom | Medical cannabis and laboratoriesCBD productsHemp products | 2 | Mary Jane Berlin | 2026 |
| AutoPot Watering Systems ↗ | United Kingdom | Growing equipment | 2 | Cannafest, Mary Jane Berlin | 2026 |
| Black Orchid | United Kingdom | Growing equipment | 2 | Cannafest | 2018 |
| BudBox ↗ | United Kingdom | Growing equipment | 2 | Cannafest | 2016 |
| Canatronics | United Kingdom | Growing equipment | 2 | CannaTrade | 2003 |
| Cannabiscannabis.com ↗ | Spain, United Kingdom | | 2 | Highlife, Spannabis | 2006 |
| Cheeba Beans | United Kingdom | | 2 | Hemp & CBD Expo, Product Earth | 2019 |
| Conscious Genetics / Herbman Hustlin | United Kingdom | Seed banks and genetics | 2 | Spannabis | 2025 |
| D ODR | United Kingdom | Wholesale and distribution | 2 | Product Earth, Spannabis | 2025 |
| Dhiman Enterprises LTD / Onbalance Scales ↗ | United Kingdom | Paraphernalia and smoking accessories | 2 | Mary Jane Berlin | 2025 |
| Easy-Grow / mariner Packaging ↗ | United Kingdom | Growing equipment | 2 | Cannafest, Highlife | 2023 |
| Easy-Grow Distribution | United Kingdom | Wholesale and distributionManufacturers | 2 | CannaTrade | 2023 |
| ePac Flexible Packaging ↗ | United Kingdom | | 2 | CB Expo, Cannabis Business Europe | 2023 |
| Fortune Flavours ↗ | United Kingdom | CBD productsWholesale and distributionHemp products | 2 | Cannafest, Mary Jane Berlin | 2026 |
| FullMoon Sesh ↗ | Czechia, United Kingdom | Seed banks and geneticsExtractionMedia and publishing | 2 | Cannafest, Mary Jane Berlin | 2025 |
| G13 Labs ↗ | Netherlands, United Kingdom | Seed banks and genetics | 2 | Cannafest, Product Earth | 2019 |
| Graces London | United Kingdom | | 2 | Product Earth | 2019 |
| Grotech Ltd | United Kingdom | Growing equipmentWholesale and distribution | 2 | Mary Jane Berlin, Spannabis | 2024 |
| Gypsy King Seeds | United Kingdom | Seed banks and geneticsParaphernalia and smoking accessories | 2 | Product Earth | 2016 |
| Headshop Candles | United Kingdom | Paraphernalia and smoking accessories | 2 | Product Earth | 2016 |
| Hemp Union | United Kingdom | Hemp products | 2 | CannaBusiness, CannaTrade | 2002 |
| Highlight Horticulture | United Kingdom | | 2 | Spannabis | 2016 |
| HØJ Life | United Kingdom | Paraphernalia and smoking accessories | 2 | Spannabis | 2024 |
| HYDROTOPS | United Kingdom | Growing equipmentHemp productsMedical cannabis and laboratories | 2 | Mary Jane Berlin | 2026 |
| Intense Nutrients LTD | United Kingdom | Growing equipment | 2 | Product Earth, Spannabis | 2023 |
| London Seed Centre | United Kingdom | Seed banks and genetics | 2 | Product Earth | 2017 |
| Medical Marihuana Genetics ↗ | United Kingdom | CBD products | 2 | Cannafest, Cultiva Hanfexpo | 2018 |
| NORML Womens Alliance | United Kingdom | Medical cannabis and laboratoriesServices and consultingAssociations and institutions | 2 | Product Earth | 2016 |
| Plant Magic ↗ | United Kingdom | Growing equipment | 2 | Cannafest, Product Earth | 2022 |
| SpinPro ↗ | United Kingdom | | 2 | Cultiva Hanfexpo, Product Earth | 2019 |
| Stay-Cro ↗ | United Kingdom | Paraphernalia and smoking accessoriesHemp productsAssociations and institutions | 2 | Mary Jane Berlin | 2026 |
| Stoned Island UK | United Kingdom | | 2 | Mary Jane Berlin, Product Earth | 2025 |
| Terpeenes Limited (UK) ↗ | United Kingdom | Paraphernalia and smoking accessoriesVaporizersHemp products | 2 | Mary Jane Berlin | 2025 |
| TGW Distribution Ltd | United Kingdom | Growing equipmentWholesale and distribution | 2 | Cannafest, Spannabis | 2022 |
| The Cannavist ↗ | United Kingdom | CBD productsMedia and publishing | 2 | Cannafest, ICBC Berlin | 2022 |
| The Neutralizer & Kenex Products ↗ | Spain, United Kingdom | Growing equipment | 2 | Spannabis | 2019 |
| UKCSC ↗ | United Kingdom | Services and consultingAssociations and institutions | 2 | Product Earth | 2016 |
| Underground Originals | United Kingdom | Seed banks and genetics | 2 | Spannabis | 2019 |
| Urban Extracts | United Kingdom | | 2 | Hemp & CBD Expo, Product Earth | 2019 |
| Urban Green Headshop | United Kingdom | Paraphernalia and smoking accessories | 2 | Product Earth | 2019 |
| Vapor Star | United Kingdom | | 2 | Highlife | 2007 |
| Wolf Productions | United Kingdom | | 2 | Highlife, Spannabis | 2006 |
| 4Plant | United Kingdom | | 1 | ICBC Berlin | 2023 |
| 4Plant Corporation | United Kingdom | Services and consulting | 1 | Spannabis | 2023 |
| Adam Activist | United Kingdom | Associations and institutions | 1 | Spannabis | 2024 |
| Alien Hydrophonics | United Kingdom | | 1 | Cannafest | 2015 |
| Alien Hydroponic Systems | United Kingdom | Growing equipment | 1 | Cannafest | 2014 |
| Alien Hydroponics / AHS Systems Ltd | United Kingdom | Growing equipment | 1 | Mary Jane Berlin | 2024 |
| ALWAYS PURE ORGANICS ↗ | United Kingdom | Wholesale and distributionShops and retailersManufacturersMedical cannabis and laboratories | 1 | CBD Expo France | 2021 |
| Amberstalk | United Kingdom | | 1 | Product Earth | 2019 |
| Asterion Seeds | United Kingdom | | 1 | Product Earth | 2019 |
| Attitude Seedbank USA | United Kingdom, Spain | Seed banks and genetics | 1 | Spannabis | 2023 |
| Baked Ovens | United Kingdom | Extraction | 1 | Product Earth | 2016 |
| Balance Headshop (Life is Balance) ↗ | United Kingdom | Paraphernalia and smoking accessoriesShops and retailers | 1 | Product Earth | 2016 |
| Big Buddha Seeds – Zheetos | United Kingdom | Seed banks and geneticsWholesale and distribution | 1 | Spannabis | 2021 |
| Big Buddha Seeds & Basil Bush S.L Spain | United Kingdom | Seed banks and genetics | 1 | Spannabis | 2022 |
| Birmingham Seeds Bank | United Kingdom | | 1 | Product Earth | 2019 |
| Bloom Yellow Bottles | United Kingdom | CBD productsGrowing equipment | 1 | Cannafest | 2019 |
| Botanical Health Oils | United Kingdom | Paraphernalia and smoking accessories | 1 | Product Earth | 2016 |
| Bumblebee International | United Kingdom | | 1 | Product Earth | 2019 |
| Candydelic Limited | United Kingdom | CBD productsMedia and publishing | 1 | Cannafest | 2024 |
| Cannacarts / Propen | United Kingdom | Vaporizers | 1 | Spannabis | 2025 |
| CANNALUB | United Kingdom | Hemp products | 1 | Athens Cannabis Expo | 2018 |
| Cannapharma LTD | United Kingdom | CBD productsVaporizersExtraction | 1 | Cannafest | 2023 |
| CCNEWZ ↗ | United Kingdom | | 1 | CannaBusiness | 2003 |
| Choice Seedbank ↗ | United Kingdom | Seed banks and genetics | 1 | Product Earth | 2016 |
| Cropmaster LED | Budbox Grow Tents | United Kingdom | Growing equipment | 1 | Spannabis | 2019 |
| Custom Mylars and jars | United Kingdom | Paraphernalia and smoking accessories | 1 | Mary Jane Berlin | 2025 |
| D-ODR and KENEX PRODUCTS | Spain, United Kingdom | Growing equipment | 1 | Spannabis | 2022 |
| D-ODR Fine mist / Kenex Products / / Synergy (UK) LTd / Tramuntana Seeds / Clandestino / Gws Pro / Aso Service | Spain, United Kingdom | Seed banks and genetics | 1 | Spannabis | 2024 |
| Da Badman Headshop | United Kingdom | Paraphernalia and smoking accessories | 1 | Product Earth | 2016 |
| Direct Garden Supplies | United Kingdom | Growing equipment | 1 | Cannafest | 2011 |
| Doob System ↗ | United Kingdom | | 1 | Mary Jane Berlin | 2024 |
| Dr Watson CBD ↗ | United Kingdom, United States | | 1 | Product Earth | 2019 |
| Dr. Chronic | United Kingdom | Seed banks and genetics | 1 | Product Earth | 2016 |
| Dr. Krippling | United Kingdom | Seed banks and genetics | 1 | Cannafest | 2014 |
| Dutch Snacks | United Kingdom | | 1 | Product Earth | 2019 |
| Dutchie Papers | United Kingdom | Paraphernalia and smoking accessories | 1 | Product Earth | 2016 |
| E-Nail | United Kingdom | Paraphernalia and smoking accessories | 1 | Product Earth | 2016 |
| E.D.S. Trading | United Kingdom | Paraphernalia and smoking accessories | 1 | CannaTrade | 2003 |
| East London Head Shop | United Kingdom | | 1 | Product Earth | 2019 |
| Easy Grow Reflective Foils Ltd. ↗ | United Kingdom | | 1 | CannaTrade | 2012 |
| EHL Supplies | United Kingdom | Paraphernalia and smoking accessories | 1 | Product Earth | 2016 |
| Endoboxes ↗ | United Kingdom | | 1 | Product Earth | 2019 |
| European CBD Expo | United Kingdom | | 1 | Product Earth | 2019 |
| Filter-it Fuma la diferencia! | United Kingdom | | 1 | Spannabis | 2015 |
| Five.8 Europe | United Kingdom | Wholesale and distribution | 1 | Spannabis | 2023 |
| Float Disfribution Ltd | United Kingdom | Wholesale and distribution | 1 | Spannabis | 2018 |
| Folsom Barber Club | United Kingdom | | 1 | Product Earth | 2016 |
| Freedom Seeds ↗ | United Kingdom | Seed banks and genetics | 1 | Product Earth | 2016 |
| Frosted Dank Genetics | United Kingdom | Seed banks and genetics | 1 | Product Earth | 2016 |
| G-Subs | United Kingdom | Paraphernalia and smoking accessories | 1 | CannaTrade | 2004 |
| Ganja Rock | United Kingdom | Hemp products | 1 | CannaTrade | 2005 |
| Ganja Rock Candy Company | United Kingdom | | 1 | Spannabis | 2006 |
| Ganjarockcandyco.com | United Kingdom | | 1 | Highlife | 2006 |
| Genesis Horticulture LTD. | United Kingdom | Growing equipment | 1 | CannaTrade | 2003 |
| Global Air Supplies UK Ltd ↗ | United Kingdom | Growing equipmentMedia and publishing | 1 | Mary Jane Berlin | 2024 |
| Green Coffee Lab | United Kingdom | | 1 | Product Earth | 2019 |
| GRENADE NUTRIENTS ↗ | United Kingdom | | 1 | Mary Jane Berlin | 2024 |
| Health and Welfare Ltd ↗ | United Kingdom | CBD products | 1 | Mary Jane Berlin | 2025 |
| Hemp & CBD Media LTD | United Kingdom | Services and consulting | 1 | CannaTrade | 2022 |
| Hemp Hero | United Kingdom | | 1 | Product Earth | 2019 |
| Hemp Holistics | United Kingdom | | 1 | Product Earth | 2019 |
| Hemp Seed Oil Ltd ↗ | United Kingdom | Hemp products | 1 | Cannafest | 2011 |
| High Grade Clothing | United Kingdom | Hemp products | 1 | Product Earth | 2016 |
| HK Hemp ↗ | United Kingdom | | 1 | Product Earth | 2019 |
| HØJ | United Kingdom | Paraphernalia and smoking accessories | 1 | Spannabis | 2022 |
| Howard Marks | United Kingdom | | 1 | CannaBusiness | 2004 |
| Hydro Industry Direct | United Kingdom | | 1 | Cannafest | 2015 |
| HydroGarden | LUMii | Botanicare ↗ | United Kingdom | Growing equipmentAssociations and institutions | 1 | Cannafest | 2019 |
| If you know, you know ↗ | United Kingdom | CBD productsParaphernalia and smoking accessoriesHemp productsMedical cannabis and laboratories | 1 | Mary Jane Berlin | 2025 |
| Indica Headshop | United Kingdom | Paraphernalia and smoking accessories | 1 | Product Earth | 2016 |
| Little Head Shop ↗ | United Kingdom | | 1 | Product Earth | 2019 |
| LOST ON GREEN MILE & GREEKVAPE.CO ↗ | United Kingdom | VaporizersHemp products | 1 | Athens Cannabis Expo | 2018 |
| Lumatek Professional Lighting | United Kingdom | | 1 | Spannabis | 2015 |
| Maxibright ↗ | United Kingdom | Growing equipment | 1 | Cannafest | 2024 |
| Mojo Trading Ltd. ↗ | United Kingdom | Wholesale and distribution | 1 | Product Earth | 2016 |
| MotherHemp Ltd. | United Kingdom | | 1 | CannaBusiness | 1999 |
| My Crater Vapourizers ↗ | United Kingdom | Vaporizers | 1 | Product Earth | 2016 |
| Neptune Seed Bank ↗ | United Kingdom | | 1 | Product Earth | 2019 |
| NORML - UK | United Kingdom | Associations and institutions | 1 | Product Earth | 2016 |
| On Balance Scales | United Kingdom | Wholesale and distributionShops and retailersHemp products | 1 | CannaTrade | 2022 |
| Otherside London ↗ | United Kingdom | | 1 | Product Earth | 2019 |
| Paperchasers Ink - Urban Tattoo Magazine - Tattoo Zone ↗ | United Kingdom | Media and publishing | 1 | Product Earth | 2016 |
| Paperchasers Ink Magazine ↗ | United Kingdom | | 1 | Product Earth | 2019 |
| Piecemaker™ UK | United Kingdom | | 1 | Product Earth | 2019 |
| Piff Advisor | United Kingdom | Hemp products | 1 | Product Earth | 2016 |
| Plug and Grow | United Kingdom | Growing equipment | 1 | Cannafest | 2012 |
| Positive Outlook Clothing | United Kingdom | Hemp products | 1 | Product Earth | 2016 |
| Pot Valley Seeds | United Kingdom | | 1 | Product Earth | 2019 |
| POTPAX™ | United Kingdom | | 1 | Product Earth | 2019 |
| Propen / Cannacarts | United Kingdom | Vaporizers | 1 | Spannabis | 2024 |
| Pure Green | United Kingdom | | 1 | BALKANNABIS EXPO | 2018 |
| Purolite Life Sciences ↗ | United Kingdom | | 1 | CB Expo | 2021 |
| Rare Dankness / ASB USA Seeds | United Kingdom, Spain | Seed banks and genetics | 1 | Spannabis | 2025 |
| Rare Dankness / Rare Dankness Nutrients | United Kingdom, Spain | Seed banks and genetics | 1 | Spannabis | 2022 |
| Rare Dankness / USA Seeds | United Kingdom, Spain | Seed banks and genetics | 1 | Spannabis | 2024 |
| Rare Dankness | ValHemp | United Kingdom | Seed banks and genetics | 1 | Spannabis | 2019 |
| Real Gorilla Seedbank ↗ | United Kingdom | | 1 | Product Earth | 2019 |
| Red Eye Jungle | United Kingdom | | 1 | Product Earth | 2019 |
| Red-Eye UK LTD ↗ | United Kingdom | Paraphernalia and smoking accessoriesVaporizers | 1 | Mary Jane Berlin | 2024 |
| Release - The Drug Charity ↗ | United Kingdom | Services and consulting | 1 | Product Earth | 2016 |
| Root Pouch Europe | United Kingdom | Wholesale and distribution | 1 | CannaTrade | 2022 |
| Sarah Sativa | United Kingdom | | 1 | Product Earth | 2019 |
| Sea of Seeds ↗ | United Kingdom | | 1 | Spannabis | 2015 |
| Second Nature 4 Plant | United Kingdom | Services and consulting | 1 | Spannabis | 2022 |
| Silver Palm Leaf | United Kingdom | | 1 | CannaBusiness | 2001 |
| Sky Marketing Limited ↗ | United Kingdom | CBD productsMedical cannabis and laboratories | 1 | Mary Jane Berlin | 2025 |
| Spring Glass Art | United Kingdom | Paraphernalia and smoking accessories | 1 | CannaTrade | 2004 |
| Stealth Seedbank | United Kingdom | Seed banks and genetics | 1 | Product Earth | 2016 |
| Synergy ↗ | United Kingdom | Growing equipment | 1 | Cannafest | 2012 |
| Synergy (Uk) Ltd | Spain, United Kingdom | Growing equipment | 1 | Spannabis | 2023 |
| Synergy (UK) Ltd, Kenex Products & ↗ | United Kingdom | | 1 | Spannabis | 2015 |
| The 1010 Boys | United Kingdom | Wholesale and distribution | 1 | Spannabis | 2026 |
| The Attitude Incorporated Limited | United Kingdom | Seed banks and geneticsParaphernalia and smoking accessories | 1 | Mary Jane Berlin | 2025 |
| The British Seed Company ↗ | United Kingdom | | 1 | Product Earth | 2019 |
| The Highland Flames ↗ | United Kingdom | | 1 | Product Earth | 2019 |
| The Legendary Willy Banjo.com | United Kingdom | | 1 | CannaBusiness | 2003 |
| The Myco Family | United Kingdom | Wholesale and distributionManufacturers | 1 | CannaTrade | 2026 |
| The Neutralizer & Kenex Products - Synergy (UK) Ltd. | United Kingdom | Growing equipment | 1 | Spannabis | 2018 |
| THTC/ECOT ↗ | United Kingdom | | 1 | Spannabis | 2005 |
| Top Shelf Packaging / Nasha Genetics | United Kingdom | Wholesale and distribution | 1 | Spannabis | 2024 |
| Transform ↗ | United Kingdom | Associations and institutions | 1 | Product Earth | 2016 |
| United Kingdom Cannabis Social Clubs ↗ | United Kingdom | | 1 | Product Earth | 2019 |
| United Patients Alliance ↗ | United Kingdom | | 1 | Product Earth | 2019 |
| United Patients Alliance (UPA) ↗ | United Kingdom | Medical cannabis and laboratories | 1 | Product Earth | 2016 |
| Vapefiend - The Vaporizer Specialists ↗ | United Kingdom | Vaporizers | 1 | Product Earth | 2016 |
| Vitality Hemp | United Kingdom | | 1 | Product Earth | 2019 |
| Westend Smoking Accessories | United Kingdom | | 1 | Product Earth | 2019 |
| xylem CBD | United Kingdom | | 1 | Product Earth | 2019 |
| ZERO Soap ↗ | United Kingdom | | 1 | Product Earth | 2019 |
| Big Buddha Seeds | Pure Sativa | United Kingdom | Seed banks and genetics | 0 | | 2020 |
| Cropmaster LED | United Kingdom | Growing equipment | 0 | | 2020 |
| Delta 9 Analytics | BHO Hardware | Netherlands, United Kingdom | Extraction | 0 | | 2020 |
| Rad Europe Ltd | United Kingdom | Paraphernalia and smoking accessories | 0 | | 2020 |
| UK Vape Kits | United Kingdom | Vaporizers | 0 | | 2020 |