2021年於香港成立的公司
於2021年，共有 112,563 間公司在香港成立，其中 69,639 間至今仍然活躍。以下為該年成立公司一覽。
112,563 間公司
China Teenagers Children Myopia Prevention and Control Research Institute Limited
China Terahertz Technology Research Institute Co., Limited
China Three Gorges giant Management Group Co., Limited
China Tiandiren Academy of Environmental Sciences Co., Limited
China Tianhe Technology Innovation Strategy Development Group Limited
China Tianming Longquan Natural Medical Mineral Spring Co., Limited
China Tibet Yak Essences Health Industry Group Co., Limited
China Tibetan Medicine Science And Technology Great Health Products Research Institute Co., Limited
China Time-honored Brand International Trade Limited
China Tobacco and Alcohol Retail Industry Association Limited
China Tongfu Digital Economy Management Co., Limited
China Touyitang Biotechnology (International) Limited
China Trade Federation International Holdings Group Limited
China Trade Relation Investment Group Co., Limited
China Traditional Chinese Medicine Health Technology Group Co., Limited
China Traditional Chinese Medicine Physiotherapy Research Center Co., Limited
China Traditional Chinese Medicine Technology Limited
China Traditional Chinese Medicine World Health Center Co., Limited
China Traditional Health Preservation Association Limited
China Trainer Vocational Training Service Co., Limited
China Transportation City Development and Construction Group Co., Limited
China Tsinghua Science and Education Industry Group Co., Limited
China Tsinghua University Students Venture Capital Technology Group Limited
China United Powerchip Semiconductor Technology Limited