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Gretsch-Unitas Group

Securing technology for you

We are the Gretsch-Unitas Group with the brands Gretsch-Unitas Baubeschläge, BKS, GU Automatic and FERCO. With decades of experience, we develop intelligent solutions for window and door technology, automatic entrance systems and access control – innovative, reliable and close to the customer.

Gretsch-Unitas Group

Securing technology for you

We are the Gretsch-Unitas Group with the brands Gretsch-Unitas Baubeschläge, BKS, GU Automatic and FERCO. With decades of experience, we develop intelligent solutions for window and door technology, automatic entrance systems and access control – innovative, reliable and close to the customer.

Our constellation

Gretsch-Unitas Group

We offer perfectly coordinated solutions that give you a real advantage in residential and commercial construction. With our brands Gretsch-Unitas Baubeschläge, BKS, GU Automatic and FERCO, we develop, manufacture and distribute architectural hardware, locks, automatic door systems and intelligent access solutions for modern buildings worldwide.

 

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Gretsch-Unitas GmbH Baubeschläge

Development and production of innovative architectural hardware at the headquarters in Ditzingen – for windows, doors and façades.
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GU Automatic GmbH

Innovative drive solutions and automatic door systems for barrier-free and secure entrances – made in Rietberg.
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BKS GmbH

Lock cylinders, locks and access systems – mechanical and electronic, produced in Velbert.
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FERCO SAS

Hardware systems for windows and doors from Réding – European quality with French expertise.
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Achieve more – with our service

The GU Group not only offers products, but complete solutions tailored to your requirements for window and door technology, automatic entrances and building management. Our service accompanies every solution from consulting through planning and implementation to maintenance and support. This ensures that our systems function reliably, efficiently and durably – in partnership and with expertise.

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Service for architects, planners and building owners

Planning reliability through expert knowledge: With our project consulting, you receive professional support.
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Download portal

Quick and easy: Download all important documents conveniently at any time from our download portal.
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Seminars

With seminars from Gretsch-Unitas, you gain a decisive advantage: practical, up-to-date and systematic – online or on site.
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ProPoint service portal

As a registered customer, you will find your projects, orders and our service offers in your ProPoint service portal.   
Successful projects

Projects with system: References of the GU Group

From residential buildings to public structures and international large-scale projects – our technology is used worldwide. It combines function, security and design, providing reliable solutions for every building size.
Discover references from various sectors.

 

 

Ocean Heights – Dubai

Ocean Heights is a 310 metre high residential tower with 83 floors, located at the marina of Dubai. In 2006, the buildin...

Gotham Residence “The Smile” – East Harlem, New York

With the Gotham Residence – also known as “The Smile” – East Harlem has gained a residential building that gives its nei...

Perelman Performing Arts Center – World Trade Center, New York

At 'Ground Zero', the Perelman Performing Arts Center has emerged as a new cultural meeting point. The strikin...

Lantern House – Chelsea, New York

Rising in the heart of vibrant Chelsea, right next to the High Line, the Lantern House stands as an architectural highli...

Neubukow school campus

With the construction of the new school campus in Neubukow, a modern center for education, care, and leisure activities...

Ronald McDonald Houses

The McDonald’s Children's Aid Foundation operates comfortable and safe accommodations for families through the Rona...

Kunsthalle Rostock

The Kunsthalle Rostock, the largest exhibition venue for contemporary art in Mecklenburg-Vorpommern, underwent comprehen...

Forum Velbert

With the comprehensive modernization of Forum Niederberg, the city of Velbert has implemented a pioneering project that...

Fire station Tischenreuth

The new construction of the Tirschenreuth fire station resulted in a functionally well-designed building that also serve...

Münster Osnabrück Airport

The catchment area of Münster/Osnabrück Airport, home to over six million people, includes not only the Münsterland regi...

Geosciences at the University of Münster

The building volume describes a solitary structure whose calm, horizontally structured façade is interrupted by inserted...

Louvre Museum Abu Dhabi

The Louvre Abu Dhabi is an art museum in Abu Dhabi, United Arab Emirates. The name is derived from the Parisian Musée du...

Mensa Campus Garching

The new cafeteria at the Garching campus will 'have a different character than the buildings that otherwise stand i...

Museum Wittelsbacher Schloss, Friedberg

For more than 130 years, the Wittelsbach Castle in Swabian Friedberg has housed a museum. Due to a complete renovation,...

DomRömer Frankfurt

35 houses – including 15 reconstructions and 20 new buildings – have been built on the historic plots of the old town de...

Elbphilharmonie Hamburg

The Elbphilharmonie is a concert hall in the western part of HafenCity in Hamburg. It was designed with the aim of creat...

Seocho Garak Tower Seoul

Like a wave of liquid metal, the Seocho Garak Tower East rises into the sky in Seoul, South Korea. The façade of the 130...

Saffron Square Tower Croyden

Saffron Square is a mixed-use development with 755 residential units, commercial spaces, and a new public square in the...

Messe Düsseldorf

The present trade fair company Messe Düsseldorf GmbH was founded on January 7, 1947 under the name Nordwestdeutsche Auss...

Royal Hamilius Luxembourg City

Royal Hamilius is a large mixed-use project in the heart of Luxembourg City, developed by Codic International. The proje...

Indescon Court 2 London

Indescon Court 2 is located in the heart of the Isle of Dogs. It embodies a vision of modern urban living. The 31-storey...

Citygate Vienna

A view stretching to the horizon, tranquility, and fresh air – this is what urban living can look like. The Citygate Tow...

Buckingham Green London

The project consists of a renovated tower (the so-called Rolls Royce tower) and two new buildings with offices, retail s...

Imperial West Tower London

The 140-meter-high residential tower of Imperial College announces itself from afar as part of the campus architecture w...

520 West 28th Street, New York City

Zaha Hadid's international body of work is largely defined by graceful curves inspired by nature. This is also true...

Anna Freud Centre, London

The Anna Freud Centre is the leading charity for children's mental health.

BLOX – Danish Architecture Center

White and green is the externally opaque frosted glass façade that forms the interlocked geometries. A lot of glass – qu...

Stuttgart City Library

The Stuttgart City Library presents itself like a cubic crystal. Its uniform outer shell, composed of modularly assemble...

Experimenta Heilbronn

The Experimenta of the Heilbronn-Franken region is a science center in Heilbronn, Baden-Württemberg.

Beauty Crown Hotel, Sanya

From a distance, the seven-star hotel looks like green trees made of Lego bricks, with brown branches, roots, and red fr...
Growing together

Your career at GU

Discover your career opportunities at the Gretsch-Unitas Group – a leading innovator in window, door and building technology. With around 3,700 employees worldwide, we develop tailor-made solutions for the highest demands under the brands GU, BKS and FERCO.

 

Become part of our family business and help shape the future with us – grow together with us!

 

 

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News & Events

Stay up to date – with the latest news, product innovations and information about upcoming events from Gretsch-Unitas.

 

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Events
24.03.2026 - 27.03.2026

Gretsch-Unitas at FENSTERBAU FRONTALE 2026 in Nuremberg!

We are exhibitors! Look forward to exciting new products and expert advice. Save the date!

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Products
02.02.2026

PZ 66 – The new, reliable standard cylinder

The standard cylinder PZ 66 is the ideal cylinder for main entrances, secondary rooms, and temporary solutions when no master key system is required.
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Events
29.01.2026

Life-Saving Design | Review of a remarkable evening in Munich

A door can save lives! Among other topics, BKS GmbH hosted an event on 29 January 2026 at the premises of DesignWerkschau | Architektur Hub in Munich, simultaneously inaugurating its new showroom.
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Events
26.03.2026

Training day at Gretsch-Unitas

The GU training team cordially invites you to get to know our company and our diverse training opportunities – whether you are interested in technology, IT, production or commercial fields.
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Products
24.02.2026

New: L&S night ventilation frame cam

Expand the range of applications for your Lift&Slide doors by using our L&S night ventilation frame cam, which ensures secure and effective room ventilation.

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Products
02.02.2026

New: Chain drive ELTRAL K35+

Now new in the field of drive technology: The chain drive ELTRAL K35+ complements our range and impresses with maximum comfort thanks to simple synchronisation and travel adjustment at the touch of a button.

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Products
01.12.2025

New: Parallel sliding light hardware for timber and timber-aluminium elements now also available in scheme C!

The parallel sliding light hardware is now also available for timber and timber-aluminium profile systems with the specially designed PSL threshold in scheme C. Maximum functionality meets attractive design!
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Products
01.12.2025

New: Lift&Slide night ventilation now for guide rail P 2301

Expand the range of applications of your lift and slide doors with the well-known ventilation gap, which can now be combined for the first time with the upper guide rail P 2301.
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Company
26.11.2025

Security with vision – the future of access control

What really matters today and in the future in access control and building management?
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Products
15.10.2025

Product of the Year 2025

Our HS LiftUnit was named Product of the Year in 2025 by bfb barrierefrei bauen, as it significantly facilitates the operation of lift and slide doors, halves the required force, and thus makes accessibility noticeably easier in everyday life.
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Products
07.10.2025

New bar handle B-7404 from BKS

The new non-binding bar handle from BKS for use on emergency exit doors according to EN1125 and on fire and smoke protection doors according to EN1634.

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Contact

We are happy to help you!

Our service team will be happy to assist you with any questions regarding products, applications, and projects. Simply contact us by phone or email.