JCLA was formed in 1997. A geographical background informs the practice, specializing in sustainable site-specific strategies and solutions for landscape development and restoration. Special interests include water systems, rivers and wetlands, wild spaces in the city, industrial archaeology and polyfunctional productive landscapes.

Projects have included nature reserves, historic landscape restoration, industrial and infrastructural landscapes, parks, woodlands and wetlands, housing estates, hotels, school grounds, sports and play facilities, museums and galleries, roof terraces, public realm and streetscape.