Business Details
50+ Years
experience
Emergency
services
Trusted Security Services in Bristol
Thornhill Security has been a trusted provider of specialist security solutions for over 50 years, serving domestic and commercial clients across Bristol, the South West, and the UK. Our expertise spans the supply, installation, and maintenance of high-security safes, vaults, locking systems, and access control solutions from leading manufacturers. As a Government-approved supplier and holder of accreditations including SafeContractor, Constructionline, and MLA approval, we combine technical excellence with a commitment to customer service.Our in-house team of security-vetted engineers ensures seamless project delivery, from initial consultation to after-sales support. With a physical retail presence in Kingswood, Bristol, we offer tailored advice, competitive pricing, and a nationwide service for safe removals, repairs, and emergency locksmithing. Our customer-centric approach prioritises transparency, reliability, and long-term relationships, evidenced by testimonials from satisfied clients ranging from private homeowners to major institutions.
Services
Safe Installation
Locksmith Services
Safe Removal
Vault Relocation
Emergency Locksmithing
Security Grilles
Access Control Systems
Master Key Systems
Safe Repairs
Second-Hand Safes
Details
- Year established: 1970
Highlights and features
- Over 50 years of specialist experience in security solutions
- In-house team of security-vetted, MLA-approved engineers
- Government-approved supplier with industry-leading accreditations
- Nationwide safe removal and installation services
- Comprehensive after-sales support including repairs and upgrades
Associations and certifications
- Master Locksmiths Association (MLA)
- SafeContractor
- Constructionline
- British Safe & Vault Trade Association (BSVTA)
What people say
Professional team
Efficient service
Excellent customer service
High-quality workmanship
Reliable and trustworthy
Services
Safe Installation
Thornhill Security provides professional installation of high-security safes for domestic and commercial properties. We supply and fit safes from leading manufacturers, ensuring compliance with insurance standards and security requirements. Our engineers assess structural integrity, recommend optimal placement, and use specialist fixings to maximise protection against theft and fire. With over 50 years of experience, we cater to cash storage, document protection, and bespoke security needs across Bristol and nationwide.
Locksmith Services
Our MLA-approved locksmiths deliver comprehensive locking solutions including UPVC lock replacements, access control systems, and master key systems. We repair damaged locks, provide non-destructive entry, and install high-security locks to British standards. With a fully stocked security shop in Kingswood, we offer key cutting services and emergency assistance for residential and commercial clients across the South West.
Safe Removal
Specialising in nationwide safe and vault removals, our team handles complex relocations using specialist equipment. We assess structural challenges, manage logistics for upper-floor extractions, and ensure safe transportation. With experience removing over 1,000 safes, we provide free quotations and handle all aspects from disconnection to disposal or reinstallation at new premises.
Emergency Locksmithing
Thornhill Security offers urgent locksmith services for lockouts, lost keys, and post-break-in security upgrades. Our engineers provide non-destructive entry where possible, lock repairs, and immediate replacement of compromised systems. While not a 24/7 service, we prioritise rapid response times across Bristol and the South West for both domestic and commercial emergencies.
Access Control Systems
We design and install advanced access control systems for commercial properties, including digital keyless entry, biometric scanners, and integrated master key systems. Our solutions enhance security while providing audit trails and flexible access management. Backed by industry accreditations, we tailor systems to suit offices, banks, and high-security facilities across the UK.
Questions
Do you offer emergency locksmith services?
Yes, we provide emergency locksmith services for urgent situations like lockouts or break-ins, though we don't operate a 24/7 service.
Can you remove safes from upper floors?
Yes, we specialise in safe removals from all locations, including upper floors, using specialist equipment and techniques.
Are your engineers accredited?
All our engineers are MLA-approved, security-vetted, and hold industry accreditations including SafeContractor and Constructionline.
Do you supply second-hand safes?
Yes, we offer fully reconditioned second-hand safes with upgraded locks and a 12-month guarantee at competitive prices.
Can you install access control systems?
Yes, we design and install modern access control systems tailored to commercial security requirements.
Reviews (5)
Angela Stevenson-Charnock
Oct 31, 2021
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Positive:Professionalism,Responsiveness
Thornhill Security (esp Phil) have been extremely helpful and supportive of my husband and me. I cannot praise them enough for their down to earth advise and general professionalism. Thank you
Thornhill Security (esp Phil) have been extremely helpful and supportive of my husband and me. I cannot praise them enough for their down to earth advise and general professionalism. Thank you
Ken Perry
Sep 05, 2021
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Door failed so i went to see these guys and girls ,they sorted out the issue in five minutes and cost me 20 instead of 80 plus for calling someone out
Coppins Jewellers
Jul 27, 2021
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Positive:Professionalism,Responsiveness
Great service and quick response. Thornhill were able to realign our safe door when many other companies we called said it couldn't be done. We're really chuffed as replacing the 1+ ton safe wasn't an option. Will be recommending. Thanks!!
Great service and quick response. Thornhill were able to realign our safe door when many other companies we called said it couldn't be done. We're really chuffed as replacing the 1+ ton safe wasn't an option. Will be recommending. Thanks!!
Sandy Cooper
Jul 04, 2021
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Very helpful in understanding our requirements. Thank you for your care. We would thoroughly recommend you to others.
Asim Ilyas
Sep 05, 2019
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Pete went to some lengths to get me what I needed for my customer. Outstanding service. Recommended unequivocally.
