Schlüsselnotdienst Stuttgart – professionelle Schlossöffnung rund um die Uhr.

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.

K&I Locksmith Service – Partner of Leading Security Technology Providers

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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.

5 out of 5 stars
Fast and professional service. My new car key was ready to use within a day. Very satisfied – clear recommendation!
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Markus
Car Key Replacement
Verified Review
5 out of 5 stars
The door was opened faster than expected and without any damage. The service was friendly and reliable. The price was absolutely fair – clear recommendation!
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Melanie
Door Opening
Verified Review
5 out of 5 stars
From the initial consultation to the installation, everything went smoothly. The technology is modern and works flawlessly. The service was simply excellent.
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Leonie
Security Technology (Installation)
Verified Review
5 out of 5 stars
Despite the holiday, the service arrived incredibly quickly. Everything was handled professionally and effortlessly. Absolutely recommendable!
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Markus
Security Technology (Installation)
Verified Review
5 out of 5 stars
The night service went absolutely smoothly. Despite the late hour, the service was friendly, professional, and fast. Clear recommendation!
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Sabrina
Night Service
Verified Review
5 out of 5 stars
The safe opening was carried out quickly and professionally. Despite the challenge, the service was competent, friendly, and absolutely reliable.
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Sandra
Safe Opening
Verified Review

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.

1000+

Opened Doors

15+

Years of Experience

99%

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.

Car key

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

Autoschlüssel in Stuttgart nachmachen lassen
Security

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

Einbruchschutz aus Stuttgart
Digital

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

Smart Home und intelligentes Türschloss
Locking Systems

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

Zugangskontrolle und Schlüsseldienst Stuttgart
Schlüsseldienst

Secure a professional partner and fill out our contact form now.

Call (+49) 170 4602495

What 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:

Everything worked out perfectly. The price was very fair, the employee arrived quickly and opened the door within seconds. Big praise! He definitely has my recommendation!4o
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Ena Babac

Verified Review
Great service! I locked myself out of my apartment with a security door in the summer. The K&I locksmith arrived quickly and was able to open the door. The same thing happened to my neighbor this week, and once again, they provided reliable and fair help. A great choice in Stuttgart!
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Ron Knight

Verified Review
He opened my door super quickly and was on-site at the agreed time. The price was very, very fair. Thanks again for the quick help!
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Aaliyah Munemo

Verified Review
Highly recommended! The door of our gas station wouldn’t open anymore. The locksmith technician was very professional in his work, repaired the door, and now it works even better than before! This company definitely has my recommendation. Thanks again for the quick and hassle-free help!
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Anil Basli

Verified Review
The right man for a key emergency! Arrived in 8 minutes, prices exactly as quoted on the phone! Super friendly and helpful, and the door was open in just 10 seconds. No damage, no scratches – top-notch work! You couldn’t ask for more in an emergency like this. Huge thanks to people like him. 🙏👍 Six out of five stars 😉
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Angelina

Verified Review
We locked ourselves out and, in our desperation, called K&I Locksmith. Mr. Kassem was incredibly friendly and understanding and arrived within a MAXIMUM of 10 MINUTES (including adorable support 🥰). Within just 3 MINUTES, we had access to our apartment again! A huge thank you for the help in our time of need.
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Jas H

Verified Review
Super fast and very friendly! Everything worked perfectly. I would call them again in a heartbeat!!!
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Brit Frank

Verified Review
They unlocked my apartment door for me today. The service was fast, excellent, polite, and helpful. They arrived within 20-30 minutes and saved the day. I'm very grateful and would definitely recommend them. 10/10!
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Kristina Solowjew

Verified Review
Great service, excellent work, and a friendly employee – 100% recommendable! I forgot my keys, only had to wait 15 minutes, and my door was open in just 5 minutes 😁
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Elena Maria

Verified Review
Everything was great! Arrived quickly, the door opened easily, the price was fair (€89 until 8 PM), and very friendly!
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Sarah Stempfel

Verified Review
Super fast help and a very fair price-performance ratio. I hope I won’t lock myself out again – but if I do, I would definitely call K&I for help again! :)
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Melanie Schäffer

Verified Review
Very friendly, fast, and competent locksmith service. My door was opened in no time! Compared to other locksmiths, the price was also very reasonable. Thank you, Mr. Kassem!
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Armin TY

Verified Review

Family business with heart – Your K&I locksmith service in Germany

K&I Team Stuttgart
K&I Schlüsseldienst Stuttgart

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

Will a closed but unlocked door be damaged during opening?

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!

How much does your emergency locksmith service cost?

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!

When will you arrive on-site?

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!

Does the lock always have to be drilled open during unlocking?

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.

Are you available at night or on holidays?

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!

How long does a door opening take?

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!

Who is K&I Locksmith Service?

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!

What other services do you offer?

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!

Are you available at night or on holidays?

Yes, our 24/7 emergency service is always available – even on weekends and holidays.

Do you exclusively serve customers in Stuttgart?

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.