Skip to main content

About us

We have been in the high-security business for over 50 years and one thing still holds true: We have never failed.

Our main mission is to protect human lives and protect valuable assets. We are experts in highly secure windows, doors and façades. By combining our expertise from over five decades of developing, producing and installing security technology with an unparalleled range of products and systems classified by threat level, we have made ourselves unique in the market. We cover burglar protection, protection against bullets, explosions, fire and smoke, and access control. From this range, we develop effective, stylish concepts for protecting the buildings of our customers around the world – offering a full service from consultancy through to after sales.

Milestones of our


2018 – up to now

Showrooms with our security solutions are built at our facility in Marburg with the topics "justice", "representative buildings" and "secure private homes".

SÄLZER gets a 100 % subsidiary of Schüco

SÄLZER became part of Schüco.

1996 -2014

Completion of the own ballistic testing center. Before the products are tested at independent and accredited testing institutes, they are tested in the in-house test center. All kind of rifles and handguns are can be used in the SÄLZER test center, no limitation of the bullet velocity or the kind of caliber projectiles.
"Security Award" for the fully glazed steel frame door SECUFIRE®, combined protection against: fire and smoke level EI45 / S200, forced entry up to RC4 with panic locks, ballistic attacks up to FB4-NS and explosions (tested with 500kg explosives). And all this in the fully glazed version!

Implementation and certification of a quality management system according to ISO 9001.

The third generation, Elke and Walther Sälzer, has taken over the management of the family owned company.

Sälzer initiate the gradual development of a worldwide distribution network.

Move to a new headquarters in Marburg.

1777 – 1970

Passed down to his son Heinrich Sälzer junior. Start of the development and production of securit constructions against forced entry and ballistic attacks.

Assumption of the firm by locksmith master Heinrich Sälzer senior.

Founding of the nail and locksmith´s shop by Johannes Ernst.

Headquarters in Marburg

Personal consultation

Every building project is unique and the perfect high-security solution depends on a number of different factors. Contact us now and we will work out your requirements together, so that you can have the perfect security system and protect what is yours and what is important.



Contact us now