The Island Side CBD mainly covers Central, Admiralty, Wan Chai, Causeway Bay, and Sheung Wan. It is Hong Kong's most core business district, gathering a large number of Grade A office buildings and multinational corporate headquarters. Property management in the area is strict, with clear regulations on fire safety, electrical and mechanical modifications, noise, and construction hours. Before any renovation, drawings must be submitted and approvals applied for according to the building's guidelines; otherwise, the construction schedule and move-in arrangements can easily be affected. At the same time, with high rents and foot traffic costs in these areas, enterprises place particular emphasis on brand image and reception experience, hoping to balance a front desk, meeting areas, and highly efficient open-plan offices within limited floor space. Therefore, they prefer to select professional teams who are familiar with the rules of Grade A commercial buildings on Hong Kong Island and can balance design and compliance requirements to handle the renovation works.