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Modern locksmith service and the latest locking technology 🇩🇪 Made in Germany
Whether in the middle of the night or on holidays: K&I Schlüsseldienst & Schließtechnik GmbH opens your door without damage in Stuttgart and Mönchengladbach. Guaranteed transparent fixed prices.
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K&I Locksmith Service – Partner of Leading Security Technology Providers
This is what our customers say
For years, we have been helping people in critical moments. Our fast and professional approach has earned us the trust of countless satisfied customers.
Locked doors are a thing of the past
K&I Schlüsseldienst & Schließtechnik GmbH is your reliable partner for fast, professional, and cost-effective door openings – available 24/7! Whether you're locked out, have lost your keys, have a defective lock, or are dealing with break-in damage: we provide immediate assistance!
Quick assistance: door openings, lock replacements, and more – available around the clock for you.
Competent service: security provided by experienced experts and high-quality solutions.
Reliable on-site service: always arriving quickly at your location.
Always available for you
We are always reachable – 24 hours a day, 7 days a week, even on holidays. No matter when you need us, we are always ready to help you in the best possible way.
Damage-free door opening
In 99% of cases, we open doors quickly and without damage. Should it become necessary, we inform you transparently and restore your door professionally.
Lightning fast on-site
Our specialists will be available to you in no time. Look forward to reliable support, a punctual arrival, and fast, tailored solutions.
Official Trading Partner of DOM Sicherheitstechnik GmbH & Co. KG
As an official trading partner of DOM Sicherheitstechnik, K&I Schlüsseldienst & Schließtechnik GmbH offers first-class solutions for locking systems and security technology – reliable, innovative, and at the highest level.
Every number represents trust and your security
Our numbers speak for themselves! Reliability, speed, and the highest customer satisfaction are our standard.
With over 1,000 opened doors, 99% damage-free operations, and an average waiting time of only 30 minutes, we set the benchmark. Trust in our years of experience and professional work.
Opened Doors
Years of Experience
Damage-Free
K&I Locking Technology is among the most advanced in Europe
Locking technology requires the latest security systems to ensure maximum reliability, protection against unauthorized access, and efficient integration into modern building and access control systems.
Lost car keys? We have the solution.
Whether you have lost your car key or need a spare – we are your go-to expert. Using state-of-the-art technology, we quickly and reliably create new keys for almost all vehicle brands.
• Fast key production on-site or emergency service
• Replacement for lost or defective car keys
• Programming of modern remote keys
We make life difficult for burglars.
Security starts with the right technology. We provide individual consultations and ensure that your home becomes safer with state-of-the-art solutions.
• Installation of mechanical and electronic security systems
• Consultation on burglary protection and security solutions
• Retrofitting of windows and doors
Key Service of the Future
Losing keys is a thing of the past! We offer modern digital solutions such as smart locks, digital locking systems, and app-controlled door openings. Perfect for your home or office – secure, convenient, and future-oriented.
• Retrofitting conventional locks to digital systems
• Installation of smart locks and digital door systems
• Consultation on secure, app-based locking solutions
Flexible access? We have the solution.
Whether for residential buildings, office complexes, or commercial properties – modern locking systems give you full control over all access areas. Our experts design and install customized solutions for maximum security and convenience.
• Customized locking plans for private and commercial use
• Planning and installation of electronic systems
• Expandable and flexible access control for every need
Secure a professional partner and fill out our contact form now.
Call (+49) 170 4602495What satisfied customers say
Our professional and efficient approach earns the trust of countless satisfied customers. See for yourself and check out our numerous reviews on Google:
Ena Babac
Ron Knight
Aaliyah Munemo
Anil Basli
Angelina
Jas H
Brit Frank
Kristina Solowjew
Elena Maria
Sarah Stempfel
Melanie Schäffer
Armin TY
Family business with heart – Your K&I locksmith service in Germany
K&I Schlüsseldienst & Schließtechnik GmbH is your reliable local partner – with fair fixed prices and 24/7 availability. Whether it's door opening, security consulting, or the installation of new locking systems – we provide fast and professional assistance. From private individuals to developers and property management companies: your security is our mission!
Frequently Asked Questions
In 99% of cases, we open closed but unlocked doors without any damage – thanks to state-of-the-art methods and precise techniques. If the opening is unsuccessful, you won’t incur any costs: No open door = No payment!
Our emergency locksmith service is available around the clock – with transparent pricing: Door openings cost only €79 until 6 PM, €99 after 6 PM, and €119 after 10 PM (plus a small travel fee within Stuttgart city center).
For locked doors, pricing depends on the effort required. This includes security cylinders from brands like ASSA ABLOY, KESO, or DOM, as well as fittings with core pull protection. We discuss all details with you in advance over the phone – no surprises!
Thanks to our central locations in Stuttgart & Mönchengladbach, we can reach you within just 10–15 minutes. We will inform you of the exact arrival time in advance and notify you immediately in case of any delays. In urgent emergencies, such as locked-in children or food left on the stove, we drop everything and rush to you immediately.
By the way: Upon request, we can even share our live location with you – for maximum transparency!
No, we only drill open the lock if it is absolutely necessary – for example, in the case of locked doors. Even complex self-locking panic locks can usually be opened without damage using precise techniques, such as working through the door viewer.
Our goal is to open your door as gently as possible while avoiding unnecessary costs. Thanks to our expertise and state-of-the-art tools, we can restore even high-security locks quickly and safely – without unnecessary damage.
Yes! K&I Locksmith Service is available for you at all times – even on holidays and weekends. A closed door never happens at the perfect moment. We are reachable 24/7 and will open your door quickly and reliably!
We usually open a closed but unlocked door within a few seconds. For doors with multiple rebates or complex multi-point locking systems, it may take a bit longer, depending on the security level and locking mechanism.
Transparency is important to us: We always inform you directly about the required effort and only proceed with your approval!
K&I Schlüsseldienst & Schließtechnik GmbH is your local expert for door openings and locksmith services – based in the heart of Stuttgart & Mönchengladbach. With over 15 years of experience, we provide professional assistance in all matters related to locks, doors, and security. Rely on our expertise and dependable service!
Our Service Portfolio at a Glance:
• Opening of closed and locked doors
• Opening of security doors
• Lock replacement
• Planning, installation, and maintenance of complex locking systems
• Security consulting and burglary prevention measures
• Installation of modern security technology
• Conversion of round cylinders to standard cylinders
• Professional installation of door viewers
• And much more
No matter what you need – we ensure your security!
Yes, our 24/7 emergency service is always available – even on weekends and holidays.
Our service is not limited to Stuttgart & Mönchengladbach – we are also available within a 20-kilometer radius! Customers from outside these areas also benefit from our fair fixed prices. For the travel distance, we charge only a flat fee of €30 – transparent and without hidden costs.