| WOL Industry Limited | Extraterritorial | 2015 |
| Wolf Spirit Productions Ltd. | Hospitality | 2023 |
| Wolfmain Limited | Households | 2024 |
| Wolfson Tech Co., Ltd | Wholesale & retail | 2024 |
| Wolkberg Investments UK Ltd | Financial services | 2025 |
| Women in School Sport Ltd | Education | 2024 |
| Wonder Glasstech Co., Ltd | Wholesale & retail | 2023 |
| Wonder Tree Technology Co., Ltd | Manufacturing | 2023 |
| Wonderchem Technology Co., Ltd | Extraterritorial | 2020 |
| Wonderful International Trade Co., Limited | Wholesale & retail | 2024 |
| Wonderful Manufacture and Trade Company Limited | Extraterritorial | 2014 |
| Wonderland Sport Limited | Manufacturing | 2020 |
| Wonderstruck Films Limited | Information & communication | 2024 |
| Woni Import & Export Co., Limited | Extraterritorial | 2014 |
| Wonson International Co., Ltd | Professional & scientific | 2014 |
| Wood Art Co., Ltd | Manufacturing | 2013 |
| Wood Sand Ltd | Information & communication | 2021 |
| Woodclyffe (Management) Limited | Households | 1966 |
| Wooden Floors Online Limited | Wholesale & retail | 2018 |
| Woodlempark Properties Ltd | Real estate | 2018 |
| Woodman-Stewart Ltd | Professional & scientific | 2022 |
| Woodmere Maintenance Solutions Ltd | Construction | 2024 |
| Woodmere Property Ltd | Real estate | 2026 |
| Woodpecker Landscapes Limited | Administrative & support | 2017 |
| Woodrush Solutions Limited | Professional & scientific | 2011 |
| Woods Industry Co., Ltd. | Professional & scientific | 2014 |
| Woodstock Gardens Residents Association Limited | Households | 1966 |
| Woodstock Thoroughbred Breeding Limited | Agriculture & fishing | 2019 |
| Woodsyoung Co., Ltd | Wholesale & retail | 2021 |
| Woofoo Trading Develop Co., Ltd | Extraterritorial | 2017 |
| Woolin Logistics Ltd | Other services | 2019 |
| Woosen Trading Limited | Manufacturing | 2018 |
| Words That Deliver Limited | Administrative & support | 2023 |
| Working Arts Club Limited | Other services | 2025 |
| Working Change Consulting Limited | Administrative & support | 2011 |
| Workliferhythm Ltd | Professional & scientific | 2020 |
| Workoutpact Ltd | Arts & recreation | 2015 |
| Works Direct Ltd | Construction | 2018 |
| Works Direct Services Ltd | Construction | 2025 |
| World Best Agent Ltd | Extraterritorial | 2015 |
| World Books Publishing Limited | Extraterritorial | 2026 |
| World Health Industries Union | Extraterritorial | 2019 |
| World Link Corporation Ltd | Professional & scientific | 2017 |
| World Model Organization Ltd. | Extraterritorial | 2019 |
| World Music Banner Alliance Limited | Extraterritorial | 2020 |
| World of Worn Ltd | Wholesale & retail | 2019 |
| World Poetry Arts Union | Extraterritorial | 2019 |
| World Wide AML Assoc. Ltd | Professional & scientific | 2020 |
| Worldroad Trading Co., Ltd. | Extraterritorial | 2024 |
| Worldwide Artists Limited | Arts & recreation | 2003 |
| Worldwide Select Ltd | Wholesale & retail | 2026 |
| Wosina Business Ltd | Manufacturing | 2023 |
| Wren Foundation | Professional & scientific | 2024 |
| Wren Ventures Limited | Professional & scientific | 2024 |
| WRITE4UMARKETING Ltd | Administrative & support | 2026 |
| Writer at Work Ltd | Information & communication | 1999 |
| Wuhan Horeda Machinery and Equipment Co. Ltd | Extraterritorial | 2018 |
| Wuntanara Ltd | Wholesale & retail | 2020 |
| Wusu Investment Ltd | Information & communication | 2021 |
| Wuxi Baowang Steel Co., Ltd | Extraterritorial | 2021 |
| Wuxi Gongu Machinery Co., Ltd. | Extraterritorial | 2014 |
| Wuxi Kaida Mechanical Components Co., Ltd | Extraterritorial | 2021 |
| Wuxi United Machinery Co., Ltd | Extraterritorial | 2022 |
| Wuxi Yanning Power Technology Limited | Extraterritorial | 2014 |
| Wuyang (UK) Co., Limited | Extraterritorial | 2019 |
| Wuyi Industrial Co., Ltd | Extraterritorial | 2013 |
| WW Harvest Solution Co., Limited | Extraterritorial | 2020 |
| Wyecliffe Limited | Real estate | 2014 |
| X-It Holding (London) Limited | Wholesale & retail | 2022 |
| X4 Holdings Limited | Financial services | 2017 |
| X4 Interiors Limited | Transport & logistics | 2002 |
| X4 Office Limited | Wholesale & retail | 2007 |
| Xartmeta Limited | Information & communication | 2021 |
| Xenithon Global Commerce Co., Ltd | Wholesale & retail | 2025 |
| Xgxc (UK) International Co., Ltd | Extraterritorial | 2022 |
| XHD (Tianjin) Ocean Engineering Co., Ltd | Manufacturing | 2023 |
| XIA IMA Tech Limited | Wholesale & retail | 2022 |
| Xiamen Babyby Gifts Co., Ltd. | Extraterritorial | 2017 |
| Xiamen Green Forever Enterprises Limited | Professional & scientific | 2013 |
| Xiamen Richan Technology Co., Ltd | Wholesale & retail | 2024 |
| Xiamen Risen Refrigeration Equipment Co., Ltd. | Wholesale & retail | 2022 |
| Xianghe Jewelry Co., Ltd. | Professional & scientific | 2020 |
| Xiaou Industry Co., Ltd | Wholesale & retail | 2021 |
| Xiefeierde Electric Co., Ltd | Extraterritorial | 2022 |
| Xiexi Clothing Co., Ltd. | Wholesale & retail | 2024 |
| Xihua Group Co., Ltd | Manufacturing | 2023 |
| Ximoor Ltd | Information & communication | 2025 |
| Ximu Garment Co., Ltd. | Extraterritorial | 2019 |
| XIN Cheng Import & Export Group Ltd | Extraterritorial | 2020 |
| XIN Chuan International Trade Limited | Manufacturing | 2024 |
| XIN NUO Clothing Co., Ltd | Wholesale & retail | 2023 |
| XIN Peng Company Limited | Extraterritorial | 2022 |
| XIN PU EN (UK) Holding Industrial Group Limited | Wholesale & retail | 2024 |
| XIN QV Intl Trading Co., Ltd | Extraterritorial | 2023 |
| Xinchen Industry Co., Ltd | Extraterritorial | 2023 |
| Xincheng Trade Co., Ltd | Manufacturing | 2024 |
| Xinchuang Tech UK Limited | Information & communication | 2020 |
| Xindew Group Co Limited | Wholesale & retail | 2020 |
| Xing Chen Trading Co., Ltd | Manufacturing | 2021 |
| Xing Cheng Holdings Limited | Wholesale & retail | 2024 |