Skip to main content

Our portfolio


With DIALux we are the market leader in the field of light planning software. More than 750,000 professional users worldwide – including engineers, electricians and lighting designers – plan, calculate and visualize light with our software. At the same time, more than 190 renowned lighting manufacturers offer their products for planning in DIALux. DIALux is therefore not only a lighting design software, but also a marketing tool for luminaire manufacturers.


We provide knowledge in the fields of DIALux, lighting and smart building. With us you can book seminars on site or online seminars.  These include seminars at our headquarters in Lüdenscheid, Germany, as well as training sessions with certified DIALux trainers around the world.


Where we work


Our headquarters in Lüdenscheid, in the centre of the german lighting industry, is an intelligent, fully automated building. We designed the architecture and the overall technical concept and supervised its completion.

Read more

This might also interest you

This is DIAL

Find out more about the company – everything about lighting, smart building and DIALux.

Be a part of us

You want to be part of our team? Here you can find our current job offers.

Find your job

We develop DIALux, the worldwide standard in lighting design software but we do even more..


DIAL are the developers of DIALux. The company was founded in 1989 as the Deutsches Institut für Angewandte Lichttechnik (German Institute for Applied Lighting Technology) and since then has offered a wide range of expertise in the fields of software development, lighting design and technology and building automation.