Dagmar Busch

At Muttern: door closed and key stuck inside, all outside of opening hours. At Rennert, you are informed of a price from the start, which was then also adhered to, the friendly employee was there at the scheduled time, appeared professional and did good work without damage. Anytime again, if necessary. We have had a security lock from Rennert for 20 years, which has also moved with us. Quality pays off.

Celina Swierzy

I went there with my daughter to have a bracelet engraved on both sides. One side had the engraving upside down. When we insisted on rectification or compensation, we were treated extremely rudely, as if it were our fault, even though there is a written record of the order. The managing director even cheekily claimed: "You can't see it from the other side anyway." I have never experienced such an inability to accept criticism. No apology, nothing. Absolutely not recommendable. Catastrophe!

Jochen Waninger

I was served by the senior and an employee. My problem with the lock and key was quickly resolved, unlike another local company nearby. Top performance, the price was a bit higher than expected, but the lock works perfectly after slight installation. Highly recommendable. Thank you.

Asli Ko

Many thanks to the dear Mr. Schindler. Top performance and super friendly. Highly recommended!!

Timur Korkmaz

Fast, friendly, and the price is as discussed over the phone! Thank you very much, Mr. Schindler!