Founded on 27 April 1971, Square Construction Co., Ltd. has transformed from a local contractor into a reputable partner in managing Hong Kong’s most intricate building and maintenance projects. The company achieved a Group C listing within the Buildings category in 1981 and obtained confirmed status in Group M2 Maintenance Works in 2020, milestones that underscore our commitment to quality, safety, and sustained client relationships. Over the course of more than five decades, we have played a significant role in the development of notable public and private infrastructure, consistently delivering excellence bolstered by our ISO-certified management systems.
| Year | Event |
| 1971 | Square was incorporated |
| 1981 | Square became listed on Group C under the Building category of the Contractor List |
| 2010 | Square obtained the certificate of registration of general building contractor issued by the Building Authority |
| 2016 | Square became listed on Group M2 (probationary) under the Maintenance Works Category in the List of Building Contractors approved by the Housing Authority |
| 2020 | Square became listed on Group M2 (confirmed) under the maintenance work category in the list of Building Contractor approved by the Housing Authority |