Business Details
50+ Years
experience
Emergency
services
Trusted Security Solutions in Bristol
Thornhill Security has been a trusted provider of specialist security solutions since 1973, serving domestic and commercial clients across Bristol, the South West, and the UK. With over five decades of experience, we combine technical expertise with a commitment to customer service, offering a comprehensive range of safes, locks, and security systems from leading manufacturers. Our in-house team of security-vetted engineers delivers professional installation, repair, and removal services, supported by accreditations from the Master Locksmiths Association, Safecontractor, and Constructionline.As a government-approved supplier, we maintain rigorous quality standards while providing tailored advice to meet diverse security needs. Our Bristol Range offers competitively priced, high-specification products designed specifically for residential and commercial applications. Customer satisfaction remains central to our operations, evidenced by our 12-month guarantee on reconditioned safes and consistent positive feedback from clients ranging from private homeowners to major institutions.
Services
Safe Installation
Locksmith Services
Safe Removal
Security Systems
Vault Removal
Details
- Year established: 1973
Highlights and features
- We have over 50 years of experience in specialist security solutions
- Our in-house team handles all work from start to finish
- We are MLA approved locksmiths with industry accreditations
- We operate as a Government approved supplier
- We maintain Constructionline and Safecontractor accreditations
Associations and certifications
- Master Locksmiths Association
- Safecontractor
- Constructionline
- BSVTA
What people say
Very efficient
Professional service
Excellent workmanship
Highly recommended
Competent team
Services
Safe Installation
Our specialist engineers provide professional safe installation services for domestic and commercial properties. We ensure correct wall and floor fixings, consider structural integrity, and maintain health and safety standards during installation. With Constructionline and Safecontractor accreditations, we install all safe types including cash safes, document safes, and gun safes. Our team handles complex commercial installations for banks and high-security facilities while maintaining insurance compliance and manufacturer specifications.
Locksmith Services
We offer comprehensive locksmith services including lock replacement, access control systems, and master key solutions. Our MLA-approved engineers handle UPVC locks, digital systems, and anti-ligature fittings for residential and commercial properties. Services include emergency lockouts, key cutting, and security upgrades to police and insurance standards. We supply and install locks from leading manufacturers while providing expert advice on security compliance and risk mitigation.
Safe Removal
Our specialist safe removal service handles all safe types including vaults, strongrooms, and antique safes. With dedicated equipment and trained personnel, we manage complex removals from upper floors using cranes when necessary. We assess structural considerations, provide risk assessments, and ensure environmentally responsible disposal. Our team has removed over 1,000 safes for domestic clients, banks, and government agencies while maintaining property integrity throughout the process.
Vault Removal
We specialise in demountable vault and strongroom removals requiring specialist knowledge and equipment. Our process includes structural assessment, safe door excavation, and panel removal according to original specifications. We handle complete dismantling, relocation, or disposal with minimal disruption to premises. Our engineers follow strict health and safety protocols while working with clients across banking, pharmaceutical, and art sectors to decommission security spaces efficiently and safely.
Security Systems
We provide comprehensive security system solutions including access control, master key systems, and digital locking mechanisms. Our services cover installation of security grilles, steel doors, and CCTV integration for commercial properties. We upgrade legacy systems with modern electronic locks offering audit trails and biometric access options. Our engineers ensure compliance with current security standards while providing tailored solutions for offices, schools, and manufacturing facilities.
Questions
What security services do you offer?
We provide safe installation, removal and repair, locksmith services, vault removal, and security system solutions for domestic and commercial clients.
Do you operate outside Bristol?
Yes, we serve the entire South West region and provide nationwide services across the UK.
Are your engineers accredited?
All our engineers are MLA-approved, Security Industry Authority registered, and hold relevant industry accreditations.
Can you help with emergency lockouts?
We offer emergency locksmith services for lockouts, though we don't provide a 24/7 service.
Do you sell second-hand safes?
Yes, we offer fully reconditioned safes with 12-month guarantees starting from £200.
What accreditations do you hold?
We are accredited by the Master Locksmiths Association, Safecontractor, and Constructionline.
