Founded in Hong Kong in 1874, Leigh & Orange (L&O) has evolved into an established international architectural practice operating across Hong Kong SAR, Macao SAR, the Mainland, Asia Pacific and the Middle East.

L&O has been actively involved in designing various developments across the whole of Mainland China and was one of the first Hong Kong professional design practices to enter the Mainland China market. Headquartered in Hong Kong with branch offices in Shenzhen, Beijing, Shanghai, Fuzhou, Macao and Doha, the firm is ranked among the world’s ‘Top 100’ architectural practices by World Architecture 100 (WA100). 

L&O remains committed to preserving its long-standing core values, Integrity, Humanity, Creativity and Sustainability and consistently implementing these values into its design philosophy, defined by its vision statement “Inspired by Humanity, Sustained by Creativity”. Over the decades, L&O has become experts in delivering architectural designs and interiors across virtually all market sectors ranging from commercial and retail developments, masterplanning & transport-oriented developments, theme parks, recreational and hospitality facilities, laboratory and medical buildings, technology and industrial parks, data centres, equestrian and multi-sport facilities, private clubs and residences, and educational buildings.