Telos is a biosystems engineering company specialising in photo-bio lighting solutions.

Formerly Grownorthern, GNUK LTD is a UK biosystems engineering company specialising in photo-bio lighting solutions. We design and manufacture LED grow lights for applications in horticulture and biomanufacturing including green waste water management, commercial floraculture and urban food gardens. Founded in 2009, we have been working with leading semiconductor manufacturers to develop mechanical, optical, thermal and electrical elements to support the latest in LED emitter technology. In 2013 we opened a manufacturing facility in the UK in order to produce high quality, original lighting systems; designed specifically to meet the needs of our clients. Now we are looking to expand the application of our products using the technology, expertise and bespoke components that we have developed over 8 years to seek innovative solutions to many of the challenges facing our ecosystems today.