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 offer a comprehensive range of services including safe supply and installation, locksmith expertise, vault removal, and bespoke security systems. Our team of fully employed, security-vetted engineers holds accreditations from the Master Locksmiths Association, SafeContractor, and Constructionline, ensuring quality workmanship and compliance with industry standards.As a government-approved supplier, we maintain partnerships with leading manufacturers to deliver cutting-edge security products while providing expert after-sales support. Our commitment to customer satisfaction is evidenced by our 12-month guarantee on reconditioned safes and a proven track record of successful projects for banks, theatres, and private clients.
Services
Safe Installation
Locksmith Services
Vault Removal
Safe Hire
Security Upgrades
Details
- Year established: 1973
Highlights and features
- 50+ years of specialist security experience
- Fully in-house team with security-vetted engineers
- MLA-approved locksmiths with industry accreditations
- Government-approved supplier status
- 12-month guarantee on reconditioned safes
Associations and certifications
- Master Locksmiths Association
- SafeContractor
- Constructionline
- BSVTA
What people say
Professional team
Efficient service
Reliable supplier
Skilled engineers
Complete solution
Services
Safe Installation
Professional safe installation ensuring maximum security for domestic and commercial properties. Our engineers follow strict health and safety protocols while considering structural integrity and accessibility requirements. Services include wall and floor anchoring, electronic lock integration, and compliance with insurance standards. We cater for all safe types including cash safes, document cabinets, and high-security vaults.
Locksmith Services
Comprehensive locksmith solutions covering traditional and digital security systems. Services include lock replacement, master key systems, access control installation, and emergency lockout assistance. Our MLA-approved technicians work with UPVC, wooden, and metal door systems while maintaining British Standard compliance for enhanced security.
Vault Removal
Specialist removal of industrial security structures including demountable vaults and strongrooms. Our team handles complex logistics for multi-floor properties using specialist equipment. Services include structural assessment, safe disconnection, and environmentally responsible disposal or relocation of heavy-duty security installations.
Safe Hire
Short-term security solutions for events, office moves, and film productions. We provide temporary cash safes, document cabinets, and luxury storage units with flexible rental periods. Our hire service includes delivery, installation, and collection with options for digital lock systems requiring no permanent installation.
Safe Repair
Professional repair and upgrade services for existing security systems. We service all safe types including electronic locks, combination safes, and antique models. Our engineers perform lock replacement, door mechanism repairs, and security upgrades to modern digital systems while maintaining original security integrity.
Questions
Can you remove safes from upper floors?
Yes, we handle safe removals from all locations using specialist equipment and planning to ensure safe transport through staircases or via crane if necessary.
Do you offer emergency locksmith services?
We provide emergency lockout assistance during business hours but don't operate a 24/7 service.
Can you repair electronic safe locks?
Our engineers specialise in repairing and upgrading both mechanical and electronic locking systems to restore full functionality.
Do you supply second-hand safes?
We offer fully reconditioned safes with 12-month guarantees, including lock replacement and cosmetic refurbishment to 'like new' condition.
Are your services available outside Bristol?
We operate nationwide with regular projects in London, Swindon, and other UK locations while maintaining local service standards.
