You are looking for support in the development and production of technical devices? Our know-how and our high in-house production depth makes us a competent partner!

From the idea to the tested final product, all steps take place within our company.

Customer in Focus

An intensive dialog already in the planning phase is one of our strengths. Take advantage of our many years of experience and get your product ready for series production quickly and efficiently with us. As an EMS provider, we are also happy to support you during production. We offer you a competent and comprehensive service from the quotation to the delivery.


Since 1998 we are active in the field of hardware and software engineering and electronics production. We develop and manufacture customized as well as our own products.

One of our best-known products is the ProfiLux aquarium computer, which has won many awards and is used worldwide. In the field of aquatics, GHL is also a leader with many other innovative products, in particular the LED lights of the Mitras series and dosing systems.

GHL has received national and international awards for several products, most recently for the fully automatic and patented ion measuring device ION Director, which won first place in the Success 2021 innovation award.