Our services at a glance
Our service – your advantage: Benefit from comprehensive services that support you from planning to maintenance. With expert advice and tailored solutions, we ensure smooth processes and maximum security.
MasterKeySystem (MKS)
Our browser-based MasterKeySystem makes planning and ordering locking systems easier for you.
confiGUrator
Discover our practical product configurator for windows and doors: Instantly create bills of materials, hardware breakdowns and quotations.
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
Architects' hotline
Do you need support with your planning or would you like detailed information? Call us: 02051 201 2000. Mon–Thu 8:00–16:45 and Fri 08:00–13:30.
Tender portal
The Gretsch-Unitas Group can now be found on the AUSSCHREIBEN.de tender portal with its brands BKS, GU-Automatic and GU Baubeschläge.
Hardware data service and machine control
With Gretsch-Unitas, you receive precisely matched hardware master data tailored exactly to your project requirements, including all important technical and commercial information.
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 electronically within the GU Group 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 dealer, electrical contractor or facility manager: with the mobile card reader, you can trigger key reorders electronically from on the go or in the store.
Project consulting for architects, planners and building owners
Planning certainty through expert knowledge: With our project consulting, you receive expert support with all questions and in every project phase.
Planning custom window solutions in the facade
As a specialist for all types of openings in the facade, Gretsch-Unitas combines project-specific custom components with elements from its proven range.
Seminars
Our training courses and continuing education programmes give you a decisive competitive edge. Our programme provides you with an overview of industry topics and product information.
Door engineering
For cross-trade door management: we support you with schematic door drawings, component lists and functional descriptions. Call us: 02051 201 2000.
24/7 service hotline - smoke and heat exhaust systems, window/door drives, panic bars, articles
GU BKS SERVICE GmbH is responsible for smoke and heat exhaust systems, including their controls and window drives, HS ePower/Master, as well as electric door drives, panic bars and BKS products.
