10119 BERLIN

Our 24/7 hotline:

030 - 250 55 118

+49 176 62 22 37 55

Send us WhatsApp, Telegram, mail message:
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Special offer! The lowest price in Berlin

Your security partner and locksmith in Berlin

Welcome to KEY-PROBLEM.NET (Schlüssel.Discount), your reliable locksmith partner for security in Germany – based in the heart of the capital Berlin. We offer allround security service for your home and business. Our cheap and professional locksmith team welcomes you in our store in Berlin Mitte, Brunnenstrasse 8 (near U Rosenthaler Platz). Perfectly located and easy to reach from Alexanderplatz, Prenzlauer Berg, Kreuzberg and Wedding.

Copy keys from only 4,50 euro

We run our business since 2007, offering you the best services regarding your keys for a cheap rate in Berlin and Brandenburg.
We copy, duplicate, repair and manufacture keys for locks of all types and all safety classes. Starting with keys for doors, mail boxes, safes, gates, cellar-doors up to bikes, motorbikes and cars. Even keys for old types of locks are possible to duplicate or repair. Thanks to our professional key cutting machines we always cut the highest quality key duplicates!

The prices vary depending on the model and safety class of the key. Standard keys, for example mail box keys, costs always 4,50 euro. While special keys for lockings systems costs around 30,00 euro.

Save time and order your key copy online

You can save your time and easily find out prices for key duplicate online or via WhatsApp. Then you can bring the keys to the store or send them by mail. Copying keys has never been easier!


Key copy online video


How to order your key copy online in just 4 steps? Watch this video.

Our wide product range:

Find out yourself about our excellent quality and selection of our products. In our store you will find high-quality products for the security of your home, business and life, key accessories, locks, master key systems, bike locks, padlocks, door locks, locking cylinders and security accessories like video surveillance, alarm, burglar protection, etc. We also provide proven, VdS-certified product from the Swiss Sector company like cross-bolt locks and bar locks.

Full Service:

You have lost your key, broke your key or left the key in the apartment behind a closed door? Our experts from the emergency assistance service open the door and will install a new lock system, if you want. Just contact us via the our phone number above (if possible during the week).

We will help you in the matter of apartment security and protection against burglary – how to make a cost-effective and reliable protection against theft, whether it's a private house, apartment, or your business store. We can arrange everything individually or in mass production – for example for your office, sport complex, locker room or in hotel. In our wide product range of selected and renowned partners we will find a best solution for you. We will take care of the organization and installation.

Make a telephone inquiry or contact us by e-mail about your desired product or service.

You will find us in the heart of the capital Berlin:

You can reach us easily by public transport: we are very close to the metro station "U-Bahnhof Rosenthaler Platz" as well as the tram station "Rosenthaler Platz" on the lines M8 and M1. You can also visit us by car - free parking on the street Brunnenstraße included.