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26 Years
experience
Emergency
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Trusted Security Services in Cornwall & the South West
Established in 2000, GSD Security has built a reputation for delivering high-quality, reliable security solutions across Cornwall and the South West of England. As an SIA Approved Contractor, we specialise in Security Guarding, Key Holding, Alarm Response, and Security Dog Services, adhering to rigorous standards including ISO9001 and CHAS accreditation. Our team combines local expertise with nationally recognised standards, ensuring tailored solutions for private, commercial, and public sector clients.

With a commitment to transparency and excellence, we prioritise client satisfaction through efficient project management and a deep understanding of regional security challenges. Our accreditations, including UKAS ISO9001 and SSAIB certification, reflect our dedication to maintaining industry-leading practices. We pride ourselves on being a trusted, locally rooted business that consistently exceeds client expectations.
Services
Static Guarding Mobile Patrols Security Dog Services Key Holding Alarm Response Event Guarding House Sitting Vacant Property Inspections Off Grid Security Temporary Alarm Systems
Details
  • Year established: 2000
Highlights and features
  • We have over 20 years of experience in security services.
  • Our team holds ISO9001 and SIA Approved Contractor accreditations.
  • We provide locally informed security solutions tailored to Cornwall's challenges.
  • Our CHAS accreditation ensures compliance with rigorous safety standards.
  • We guarantee efficient project delivery with nationally recognised expertise.
Associations and certifications
  • Security Industry Authority (SIA) Approved Contractor
  • ISO9001
  • CHAS
  • UKAS
  • SSAIB
What people say
Exceed expectations Local knowledge Well run business Honest information Nationally recognised standards
Services
Mobile Patrols
Our mobile patrols provide dynamic security coverage across Cornwall and the South West. Utilising ISO9001-certified protocols, we offer proactive surveillance and rapid response to incidents. Clients benefit from tailored routes and real-time reporting, ensuring comprehensive protection for commercial and residential properties.
Security Dog Services
Specialist security dog units deliver enhanced threat detection for high-risk sites. Accredited under NASDU codes, our handlers and dogs provide perimeter security and intruder deterrence. Services comply with BS8517 standards, offering clients a proven solution for vacant properties and events.
Alarm Response
24/7 alarm monitoring with guaranteed rapid response times. As SIA-approved contractors, we verify activations using advanced technology before dispatching officers. This service integrates with temporary and permanent systems, ensuring minimal false alarms and maximum client reassurance.
Off Grid Security
Solar-powered security pods offer protection for inaccessible locations. Featuring 360-degree detection and mobile app integration, these units provide real-time alerts and photo verification. Ideal for construction sites and rural properties requiring temporary surveillance without mains power.
Event Guarding
Tailored security solutions for festivals, weddings, and corporate events. Our SIA-licensed team manages crowd control, access points, and emergency procedures. With local knowledge of Cornwall's venues, we ensure safety while maintaining event flow and guest experience.
Questions
What security services do you offer?
We provide static guarding, mobile patrols, security dogs, alarm response, event security, and off-grid solutions. All services comply with ISO9001 and SIA standards.
Are you accredited by industry bodies?
Yes, we're SIA Approved Contractors, ISO9001 certified, and CHAS accredited. Our security dogs operate under NASDU codes with SSAIB-inspected systems.
Do you operate outside Cornwall?
While based in Cornwall, we serve the entire South West region with the same high standards our local clients expect.
Can you handle emergency security requirements?
Our 24/7 response team provides rapid deployment for emergencies, supported by solar-powered security pods and real-time monitoring technology.
How do you ensure service quality?
Through ISO9001-certified processes, regular SSAIB inspections, and employing SIA-licensed personnel with specialist security qualifications.