SILL - Light, the way you want it Sill are the world famous high performance halide, LED projector and special products company, with a stunning portfolio of projects across Britain and around the world. Environmental responsibility and energy saving have been an essential part of our philosophy for many years. Our objective is to give you great customer service and intelligent and well trained design support in a friendly way. We don’t so much sell light fittings as help you light your buildings. We are proud to share the news of our latest work. Sill UK is the subsidiary of Sill Leuchten GmbH in the UK. We are responsible for supporting you, our UK based customer wherever you work around the world.