- Lock repair, replacement, and installation services, lock rekeying
- All car key cutting and duplication*
- Master key systems, broken key extraction
- Mailbox lock rekey / change
- Home, business, and car lockout services
- Deadbolt installation
- Jammed ignition repair
- All car key transponder (re) programming and recoding
- Safe & Vault lockout, combination set up, and change
- New car key cutting
About us: locksmith company Sure Lock & Key
Sure Lock & Key is a professional locksmith company that provides outstanding locksmith and security services across the United States. With over 35 years of experience in the industry, we are highly skilled at handling various challenges to ensure your needs are met efficiently. The company was founded by four brothers as a family business and has grown to become one of the leading companies in the US. Our main offices are located in Connecticut, Texas, Arizona, Illinois, Florida, Rhode Island, New York, and Alabama. The constant improvement of our service is driven by a unique work ethic, including the following principles:
24 hour services: 24 hour services in Greenwich
In life, you can never predict when you might need professional locksmith assistance. That's why 24-hour service is always in high demand. Just imagine getting locked out of your car at night or discovering a broken lock on your business after hours. In these situations, having a reliable 24-hour emergency locksmith nearby is invaluable. At Sure Lock & Key, we provide full-service assistance around the clock. Our experts quickly analyze the task, identify all potential issues, and procure the necessary parts to complete the work promptly and successfully. We also use cutting-edge mobile service vans to reach you as quickly as possible and fix the problem on the spot. For a comprehensive range of 24-hour locksmith services in Greenwich, CT, please review the list below.
- Lock repair, replacement, and installation.
- Car key copy and duplication.
- Home and house lockout services.
- Home alarm systems
- Emergency car lockout services.
- Motorcycle unlock services.
- Broken key extraction.
- Rekeying services.
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Testimonials
We highly appreciate every review we receive as they bring a sense of pride and motivation to our team. Moreover, these testimonials are a valuable resource for potential clients who want to know more about the quality of our business. Therefore, we invite you to explore more about us through the feedback of our current clients.

Jen Natali
I rate Sure Lock & Key very highly! They installed new locks in my door and very quick and professional. Price was great too…

Jim Courson
Excellent service for a very good price! Sure Lock Key installed a new safe in my home and I’m very pleased with it.”

Andreas Cisneros
I was having problems with the ignition and locks to my car and called this company, who came out and fixed both very quickly, and both work perfectly now. Thanks!

Annie Thomaston
SLK cut me a second set of keys for my roommate and they did so quite quickly… great service, nice guys, and really low prices!

Kenneth Jensen
To all at Sure Lock & Key, thank you for helping me sort out my electronic key for my car which was setting off the alarm every time I used it. Tyler the locksmith was very pleasant and sorted my key out in no time. Thank you very much.

Carrie Upton
Thanks Paul at SLK for fixing my locks recently… you arrived less than 10 minutes after I called and fixed everything in less than an hour. Wonderful!

Eric Russell
I was looking for a company with professional locksmith services and I found it. Sure Lock & Key did everything I asked for. Happy to be their customer.

Joyce Hill
My lock now works properly! The tech repaired it so quickly. He was nice and highly skilled. Great!

Joshua Rogers
Excellent customer service. I am really happy with the results.

Sandra Thomas
The technician of Sure Lock & Key Jacob came on time and completed the job very fast. I didn’t expect such a result. Really! Thank you!

Willie Ward
I am so happy with work completed. I called this company yesterday and now I have new keys for my car. I really appreciate emergency services!

Amanda Davis
I stupidly had locked myself out of my car. Tech came and unlocked it within 20 minutes! Great emergency services. 5 stars!

Esther Isaacson
My friend lost her keys at the local synagogue and needed a replacement set made. She asked me about it and I recommended SURE LOCK & KEY who I had used previously. The manager was very nice and sent out the locksmith within 15 minutes. My friend had a new set of keys cut less than 20 minutes later… she was very happy indeed!

Anthony DeSoto
My car key broke off in the car door lock and I needed both a new key and the broken key extracted. SURE LOCK & KEY did all of it for me and very quickly too, and for a great price! I’m very impressed with the service from this company…

Steven Bell
SURE LOCK & KEY is a very good company to use for any locksmith needs you may have; they really helped me when I wanted a keypad access and CCTV security system installed in my warehouse. They were patient and courteous and knowledgeable, and I was very happy with both the service and the price…

Anastasia Klimenko
I was desperately searching for a great locksmith after I accidentally locked my keys in the car and couldn’t get back in. The SURE LOCK & KEY manager was very understanding and came out in the van to get me back in my car within 15 minutes of me calling… thanks!

Anna Mendoza
Lost my keys and couldn’t find them anywhere… so naturally I needed a replacement set made and SURE LOCK & KEY wee very quick to come and cut me a new replacement set. Jacob the locksmith technician was very nice and couldn’t have been more helpful… thank you.

Paul Stewart
Quality and professionalism are very important to me as a rule, so I look for the best companies to use. I needed our front door handle replaced and so I called this company and they were very prompt in their response. They replaced my door handle quickly and efficiently, and for a very reasonable price. I was most impressed with their service…
About Greenwich, CT
Greenwich is a picturesque town on Connecticut's Gold Coast. Settled in 1640, it is one of the oldest towns in the USA, boasting a long and fascinating history. In recent years, it has become a favored destination for New Yorkers looking to escape the urban grind. Greenwich is an ideal spot for summer holidays, with four beaches to enjoy.
Known as one of the wealthiest towns in America, it consistently ranks at the top of the list of the most livable places in the USA. Consequently, its social and cultural life is vibrant, offering various activities, including the Greenwich International Film Festival, the Bruce Museum, Greenwich Polo Club, Audubon Center, and Flinn Gallery, among others.