Personal. Competent.
Everything you need to successfully sell locking systems and keys: from hardware and software for planning and ordering to sales support materials.
MasterKeySystem (MKS)
Our browser-based MasterKeySystem makes planning and ordering for master key systems easier for you.
confiGUrator
Discover our practical product configurator for windows and doors: Create bills of materials, hardware breakdowns, CAD sketches, and individual quotations in no time.
Complaint tool
Are you completely satisfied? Great, that's exactly how it should be! If something is wrong with the delivery, simply use our complaint tool in the service portal.
Our service offering at a glance
Tender portal
Die Unternehmensgruppe Gretsch-Unitas is now listed on the tender portal AUSSCHREIBEN.de with its brands BKS, GU-Automatic and GU Baubeschläge.
Download portal
With our download portal, you always have all relevant documents and data at hand - for a smooth workflow.
EDI interface
Optimize your processes from order to invoice: process your orders with the GU Group electronically via your materials management system.
KeyManager
Keep the complete system under control: manage and program mechanical and electronic locking systems with our user-friendly software.
Mobile card reader
Whether you are a security specialist, electrical installer or facility manager: with the mobile card reader, you can trigger key reorders electronically while on the move or in the shop.
Project consulting for architects, planners and property owners
Planning certainty through expert knowledge: with project consulting, you receive expert support for all questions and at every project stage.
BKS Showroom
We offer our customers, partners and associations the opportunity to use our showroom for their own events, presentations or workshops.
