LAI SI ENTERPRISE HOLDING LIMITED is an investment holding company. The Company along with its subsidiaries is mainly engaged in the provision of fitting-out, alteration and addition works services. The Company mainly operates its businesses through three business segments: the Fitting-out, Alteration and Addition works segment, the Construction Works segment and the Repair and Maintenance Services segment. The Company provides fitting-out works for both new buildings and existing buildings in Macau. The construction works mainly include general construction and heritage conservation. The repair and maintenance services mainly include repair or replacement of interior decorative parts such as light bulbs and fixtures, as well as repair and maintenance works for building services systems.