| UK JL Biomedicine Co., Limited | Extraterritorial | 2025 |
| UK Joungpeople Holding Ltd | Manufacturing | 2025 |
| UK Joysland Investment Ltd | Extraterritorial | 2013 |
| UK Junshuo Pharmaceutical Limited | Manufacturing | 2023 |
| UK K.S&Associates Limited | Extraterritorial | 2015 |
| UK Kadif Int'L Import & Export Co., Limited | Extraterritorial | 2025 |
| UK KAE International Ltd | Extraterritorial | 2018 |
| UK Kaisadi International Chemical Ltd | Extraterritorial | 2021 |
| UK Kalero Petrochemical Industry International Group Co., Ltd | Extraterritorial | 2021 |
| UK Kangmunuo International Biology Group Ltd | Extraterritorial | 2021 |
| UK Kangpu Plant Nutrition Technology Ltd | Extraterritorial | 2025 |
| UK Kano Industrial Ltd | Extraterritorial | 2021 |
| UK Karabell International Group Holdings Limited | Extraterritorial | 2020 |
| UK Keerdun Plant Nutrition Technology Ltd | Extraterritorial | 2024 |
| UK Kers Cosmetics International Ltd | Extraterritorial | 2017 |
| UK Kinbas OIL Group Ltd | Manufacturing | 2021 |
| UK Kingbird Mineral Trading Co., Ltd. | Wholesale & retail | 2014 |
| UK Kinlisell Group International Ltd | Manufacturing | 2023 |
| UK Kodis Plant Nutrition Limited | Manufacturing | 2023 |
| UK Kulinan Share Group Limited | Wholesale & retail | 2024 |
| UK Langte Mining Group Co., Limited | Extraterritorial | 2018 |
| UK Lawresdand Garment Group Limited | Manufacturing | 2024 |
| UK Lebo Seiko Group Ltd | Administrative & support | 2021 |
| UK Leding Industry Co., Ltd | Extraterritorial | 2016 |
| UK Leeds Chemical Industry Ltd | Extraterritorial | 2023 |
| UK Lehmann Crop Plant Protection Co., Ltd | Extraterritorial | 2015 |
| UK Lehua International Holdings Ltd | Extraterritorial | 2024 |
| UK Leicano Robot Technology Co., Ltd | Manufacturing | 2021 |
| UK Lenfene Private-Ordering Co., Ltd | Extraterritorial | 2014 |
| UK Levier Crop Nutrition Ltd | Extraterritorial | 2020 |
| UK Libeeli International Crop Co., Ltd | Extraterritorial | 2024 |
| UK LIU International Investment Ltd | Extraterritorial | 2024 |
| UK Lksy Co., Ltd | Administrative & support | 2021 |
| UK Loam International Group Limited | Extraterritorial | 2016 |
| UK London Bali Int'L Group Holding Co., Limited | Extraterritorial | 2019 |
| UK London Kington Estate Tea Co., Ltd. | Manufacturing | 2026 |
| UK Longdi Health Technology Co., Ltd | Manufacturing | 2021 |
| UK Looks Sports Industry Development Co., Ltd. | Extraterritorial | 2015 |
| UK Luoge International Chymistry Ltd | Extraterritorial | 2021 |
| UK Maigefu Ltd | Extraterritorial | 2023 |
| UK Mailanla Limited | Extraterritorial | 2020 |
| UK Maizun Group Co., Ltd | Extraterritorial | 2020 |
| UK Make Johnny Trade Co., Ltd | Extraterritorial | 2015 |
| UK Mandebao Beer Group Int'L Limited | Extraterritorial | 2015 |
| UK Mardin Technology Co., Ltd | Wholesale & retail | 2025 |
| UK Marine Limited | Transport & logistics | 2024 |
| UK Mark Silicon Industry Ltd | Extraterritorial | 2025 |
| UK Maxwell Brake System Holding Group Ltd | Wholesale & retail | 2019 |
| UK Maxwell Chemical Group Co., Ltd. | Manufacturing | 2024 |
| UK Mayo Rehabilitation Centre Limited | Health & social care | 2021 |
| UK Mckaka Group Ltd | Manufacturing | 2020 |
| UK Medical and Food Co., Limited | Manufacturing | 2023 |
| UK Mehen Hoisting Machinery Co., Ltd. | Extraterritorial | 2018 |
| UK Meihuan Agricultural Dvelopment Ltd. | Extraterritorial | 2019 |
| UK Meisheng International Chymistry Enginnering Ltd | Extraterritorial | 2020 |
| UK Melika Crop Nutriton Limited | Manufacturing | 2023 |
| UK Melltorp Furniture Co., Ltd. | Extraterritorial | 2018 |
| UK Metallic Panda Ltd | Manufacturing | 2022 |
| UK Midlesbrough Beer Group International Co., Ltd | Extraterritorial | 2021 |
| UK Mimibear International Ltd | Manufacturing | 2017 |
| UK Miriam Holding Ltd | Manufacturing | 2024 |
| UK Moccona Holdings Ltd | Manufacturing | 2022 |
| UK Mochanv Group Ltd | Manufacturing | 2021 |
| UK Modiusg Group Ltd | Manufacturing | 2020 |
| UK Mormech Co., Ltd | Wholesale & retail | 2017 |
| UK Morocdcan Avocad OIL Biotechnology Co. Ltd | Extraterritorial | 2019 |
| UK Mosin Holding Ltd | Manufacturing | 2024 |
| UK Mosong Liquor International Co., Ltd | Manufacturing | 2023 |
| UK MR Wardrobe International Co., Ltd | Extraterritorial | 2023 |
| UK Msjr Cosmetics International Limited | Extraterritorial | 2021 |
| UK Music and Dance Association | Professional & scientific | 2024 |
| UK Natural Greengem International Ltd | Extraterritorial | 2018 |
| UK Natural Life Ltd | Wholesale & retail | 2023 |
| UK Newham (Australia) Ltd | Extraterritorial | 2021 |
| UK Niubeilide International Chymistry Engineering Import & Emport Ltd | Extraterritorial | 2023 |
| UK Niubote Mining Ltd | Extraterritorial | 2024 |
| UK Nobel Industrial Limited | Wholesale & retail | 2024 |
| UK Nobel International Research Center of Biology Limited | Manufacturing | 2025 |
| UK Nocky Co., Ltd. | Extraterritorial | 2019 |
| UK Nourish International Chymistry Engineering Group Ltd | Extraterritorial | 2019 |
| UK Nuduun Personal-Care Supply Co., Limited | Manufacturing | 2018 |
| UK Nuobeili Energy Chymistry Group Co., Limited | Extraterritorial | 2024 |
| UK Nuobeili Ltd | Extraterritorial | 2025 |
| UK Nuodafeng Agriculture Group Co., Ltd | Extraterritorial | 2021 |
| UK Nuoken Chymistry Mining Limited | Extraterritorial | 2018 |
| UK Nuopu Group Special Fertilizer Ltd | Extraterritorial | 2024 |
| UK Nuosenbolan Biology Engineering Co., Limited | Extraterritorial | 2015 |
| UK Obeis International Industrial Group Co., Ltd | Extraterritorial | 2019 |
| UK Obis International Energy Co., Ltd | Extraterritorial | 2019 |
| UK Ocean Energy Ltd | Extraterritorial | 2023 |
| UK OCL Bearing Industry Group Limited | Extraterritorial | 2025 |
| UK Odaomai Co. Ltd | Extraterritorial | 2023 |
| UK Omia International Group Limited | Extraterritorial | 2017 |
| UK Omichon Pet Food Limited | Manufacturing | 2021 |
| UK Orlando Plant Nutrition Ltd | Mining & quarrying | 2023 |
| UK Oruick International Trading Ltd | Manufacturing | 2025 |
| UK Osiher Global Technology Group Limited | Wholesale & retail | 2025 |
| UK Oubirui International Trade Agrochymistry Ltd | Extraterritorial | 2020 |
| UK Ouhe Technology Group Limited | Manufacturing | 2024 |
| UK Ouhua Bayer Plant Nutrition Research Center Limited | Mining & quarrying | 2023 |