| Easy-Grow ↗ | United Kingdom | 57 | Athens Cannabis Expo, Canapa Mundi, Cannafair, Cannafest +8 | 2026 |
| Growth Technology Ltd ↗ | United Kingdom | 45 | 4.20 Hemp Fest, Canapa in Mostra, CannaBusiness, CannaTrade +8 | 2026 |
| Lumatek ↗ | Portugal, Malta | 20 | Canapa Mundi, CannaTrade, Cannabis Europa, Cannafest +6 | 2026 |
| HydroGarden Ltd ↗ | United Kingdom, Germany | 32 | CannaBusiness, CannaTrade, Cannafest, Cultiva Hanfexpo +4 | 2025 |
| Autopot ↗ | United Kingdom | 23 | Canapa Mundi, Canapa in Mostra, Cannafair, Cannafest +5 | 2024 |
| AutoPot Global Ltd ↗ | United Kingdom, Austria | 12 | BALKANNABIS EXPO, CannaTrade, Mary Jane Berlin, Spannabis | 2025 |
| Lumatek Lighting ↗ | Malta, United Kingdom | 12 | CB Expo, CannaTrade, Cannafest, Cultiva Hanfexpo +2 | 2026 |
| SHOGUN FERTILISERS ↗ | United Kingdom | 6 | Cannafest, Product Earth | 2025 |
| Seedsman ↗ | Spain, United Kingdom | 24 | Athens Cannabis Expo, BALKANNABIS EXPO, Canapa in Mostra, CannaTrade +8 | 2026 |
| Hemp Passion ↗ | United Kingdom, Spain | 18 | Canapa Mundi, Canapa in Mostra, Cannafest, Cultiva Hanfexpo +5 | 2019 |
| Dutch Garden Supplies ↗ | Austria, Netherlands | 16 | Cannabis Europa, Cannafest, Cultiva Hanfexpo, ICBC Berlin +2 | 2026 |
| Alien Hydroponics | United Kingdom | 7 | Cultiva Hanfexpo, Mary Jane Berlin, Spannabis, Technigrow | 2025 |
| The Growers Wholesale | United Kingdom | 4 | Cannafest | 2019 |
| Nutriculture ↗ | United Kingdom | 9 | CannaTrade, Cannafest, Cultiva Hanfexpo, Expogrow +1 | 2022 |
| Global Air Supplies ↗ | United Kingdom | 5 | Cannafest, Mary Jane Berlin | 2026 |
| GreenPlanet Nutrients ↗ | Canada, United Kingdom | 5 | Cannafest, Mary Jane Berlin, Spannabis | 2026 |
| IKON - INTERNATIONAL ↗ | United Kingdom | 5 | CannaTrade, Spannabis | 2004 |
| Global-Hydro | United Kingdom | 4 | Cannafest, Spannabis | 2015 |
| Top Shelf Packaging LTD ↗ | United Kingdom | 13 | Cannafest, Mary Jane Berlin, Product Earth, Spannabis | 2024 |
| Terpeenes ↗ | United Kingdom, United States | 7 | CannaFestival, CannaTrade, Cannafest, IndicaSativa Trade +1 | 2026 |
| Budmaster ↗ | United Kingdom | 4 | Cannafest, Cultiva Hanfexpo, Expogrow, Mary Jane Berlin | 2017 |
| Eden Horticulture ↗ | United Kingdom, Spain | 4 | Cannafest, Mary Jane Berlin, Spannabis | 2025 |
| Easy-Grow / Mariner Industries Ltd ↗ | United Kingdom | 3 | Cannafest, Mary Jane Berlin | 2025 |
| AutoPot Watering Systems ↗ | United Kingdom | 2 | Cannafest, Mary Jane Berlin | 2026 |
| Black Orchid | United Kingdom | 2 | Cannafest | 2018 |
| BudBox ↗ | United Kingdom | 2 | Cannafest | 2016 |
| Dalman | United Kingdom | 18 | Cannafest, Cultiva Hanfexpo, Highlife, Product Earth | 2021 |
| Budmaster Led ↗ | United Kingdom | 7 | Canapa in Mostra, Cannafest, Cultiva Hanfexpo, Spannabis | 2018 |
| Dutch Garden Supplies EU | Austria, United Kingdom | 4 | Spannabis | 2026 |
| Grotech Distribution | United Kingdom | 4 | Cannafest, Product Earth, Spannabis | 2025 |
| Canatronics | United Kingdom | 2 | CannaTrade | 2003 |
| Easy-Grow / mariner Packaging ↗ | United Kingdom | 2 | Cannafest, Highlife | 2023 |
| Grotech Ltd | United Kingdom | 2 | Mary Jane Berlin, Spannabis | 2024 |
| HYDROTOPS | United Kingdom | 2 | Mary Jane Berlin | 2026 |
| Intense Nutrients LTD | United Kingdom | 2 | Product Earth, Spannabis | 2023 |
| Plant Magic ↗ | United Kingdom | 2 | Cannafest, Product Earth | 2022 |
| TGW Distribution Ltd | United Kingdom | 2 | Cannafest, Spannabis | 2022 |
| The Neutralizer & Kenex Products ↗ | Spain, United Kingdom | 2 | Spannabis | 2019 |
| Alien Hydroponic Systems | United Kingdom | 1 | Cannafest | 2014 |
| Alien Hydroponics / AHS Systems Ltd | United Kingdom | 1 | Mary Jane Berlin | 2024 |
| Bloom Yellow Bottles | United Kingdom | 1 | Cannafest | 2019 |
| Cropmaster LED | Budbox Grow Tents | United Kingdom | 1 | Spannabis | 2019 |
| D-ODR and KENEX PRODUCTS | Spain, United Kingdom | 1 | Spannabis | 2022 |
| Direct Garden Supplies | United Kingdom | 1 | Cannafest | 2011 |
| Genesis Horticulture LTD. | United Kingdom | 1 | CannaTrade | 2003 |
| Global Air Supplies UK Ltd ↗ | United Kingdom | 1 | Mary Jane Berlin | 2024 |
| HydroGarden | LUMii | Botanicare ↗ | United Kingdom | 1 | Cannafest | 2019 |
| Maxibright ↗ | United Kingdom | 1 | Cannafest | 2024 |
| Plug and Grow | United Kingdom | 1 | Cannafest | 2012 |
| Synergy ↗ | United Kingdom | 1 | Cannafest | 2012 |
| Synergy (Uk) Ltd | Spain, United Kingdom | 1 | Spannabis | 2023 |
| The Neutralizer & Kenex Products - Synergy (UK) Ltd. | United Kingdom | 1 | Spannabis | 2018 |
| Cropmaster LED | United Kingdom | 0 | | 2020 |