Sandal Security

Industry-Leading Accreditations.

We believe in providing our clients with the highest standards of security and service.

We're proud to hold the highest level of accreditations available.

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These accreditations are not just badges; they represent our ongoing investment in training, technology, and best practices.

They provide our clients with the assurance that they are working with a security provider that is recognised by industry experts and trusted by insurance companies and police forces.

Why our accreditations matter to you...

In the security industry, trust is paramount. That’s why we’ve invested in achieving the most rigorous accreditations, ensuring that every system we install and every service we provide meets the highest industry benchmarks.

Peace of mind.

Knowing that your security systems are installed and maintained by an accredited provider gives you confidence in their reliability.

Insurance approval.

NSI Gold accredited systems are often required or recommended by insurance companies, potentially reducing your premiums.

Police &
Fire Brigade recognition.

Our accreditations demonstrate our commitment to working with law enforcement to ensure effective security solutions.

Expertise &
professionalism.

Our accreditations reflect our team's expertise and our dedication to providing professional, high-quality service.

Continuous improvement.


We are committed to ongoing training and development, ensuring that we stay at the forefront of the security industry.

Looking for a change? Take a look at our latest job openings!

Our commitment to excellence.

We’ve earned these accreditations to earn your trust.

We meet the highest technical standards..

Our systems are designed, installed, and maintained to the most rigorous industry specifications.

We operate to strict business standards.

Our business practices are regularly audited to ensure compliance with quality management systems.

Our staff are vetted and trained.

Our engineers and support staff are highly qualified and committed to providing exceptional service.

Independently audited.

Regular audits ensure our continued compliance with NSI standards, giving our clients peace of mind.

Learn more about our accreditations.

Sandal Security Services hold the highest level of accreditations available in our field of work. We believe this is what sets us apart from other providers.

We hold the highest standard with NSI, which include NACOSS GOLD Accreditation for Electronic Security Systems for the Design, Installation and Maintenance of Electronic Security Systems for Intruder Alarms, Video Surveillance Systems (CCTV) and Access Control.

Demonstrating compliance with:

  • BS EN ISO 9001:2015 – Quality Management Systems NSI Quality Schedule
  • NSI NACOSS Gold Approval Criteria
  • BS 7858:2019 – Screening of Individuals
  • PD 6662 – Intruder and Hold-up Alarm Systems
  • NSI NCP 104 – Video Surveillance Systems (CCTV)
  • NSI NCP 109 – Access Control Systems

Approval number: 1895

We hold the highest standard with NSI for Fire Systems, which include FIRE GOLD Accreditation for Design, Installation, Commissioning & Handover, Verification and Maintenance of Fire Detection & Alarm Systems.

Demonstrating compliance with:

  • BS EN ISO 9001:2015 – Quality Management Systems
  • NSI Quality Schedule
  • NSI Fire Gold Approval Criteria
  • BS 5839-1:2017 – Fire Detection and Fire Alarm Systems
  • SP203-1 – BAFE Scheme Document

Approval Number: 10200

We hold BAFE SP203-1 accreditation For the Design, Installation, Commissioning and Maintenance of Fire Detection and Alarm Systems.

Certificate number: 101406

We are approved by all major insurance companies and provide Police level 1 response.

All SSS engineering staff have been fully security screened to the requirements of BS 7858:2012/2019 and DBS cleared.

Company Reg No: 3671900               Vat Reg No: 436616249