NSI Re-certifications – May 2021

Congratulations to the following organisations who successfully achieved their NSI re-certification in May 2021 for one or more approval schemes.

Re-certification occurs at 3 yearly intervals and demonstrates NSI approved companies commitment,  maintaining competency, professionalism and opening themselves to NSI’s ongoing audit programme of annual audits.

Buyers who contract NSI approved companies for their security and fire safety needs can be assured of security and fire safety services delivered to the highest standards by businesses committed to quality and continual improvement.


Alarming UK Ltd (Dereham)

APT Security Ltd (Beckenham)

Atlas Fire & Security (Birkenhead)

Black Box Fire and Security (Inchinnan)

Couzins Surveillance Ltd (Dereham)

Crime Detection Systems Ltd (Alton)

DS Securities (Weston Super Mare)

EPG Security Systems Ltd (Crewe)

MFS Systems (Oswestry)

R Security Alarm Co (Liverpool)

Secure Engineering Ltd (Maidstone)

Vigil Security Systems Ltd (Sheffield)

Welwyn Garden Systems (Hatfield)

Systems Silver

Action Alarms Ltd (Tuckton)

Falcon Security Solutions (Gloucester)

ICU2 Security Ltd (Doncaster)

Mint Security Systems (Shireoaks)

Norfolk Fire and Security Ltd (Wymondham)

Guarding Gold

National Car Parks Ltd – Bolton Branch (Bolton)

Security Plus Ltd (Stoke on Trent)

Sodexo (Manchester)

Unitrust Protection Services (UK) Ltd (Wembley)

Guarding Silver

Northampton Borough Council (Northampton)

Fire Gold

Atlas Fire & Security Ltd (Birkenhead)

Black Box Fire & Security (Inchinnan)

Vigil Security Systems Ltd (Sheffield)

Welwyn Garden Alarms Ltd (Hatfield)

Cash Services Gold

Security Plus Ltd (Stoke on Trent)

ARC Gold

Chubb Ireland Ltd (Dublin)

EMS Gold

Unitrust Protection Services (UK) Ltd (Wembley)

Health and Safety Gold

Unitrust Protection Services (UK) Ltd (Wembley)

Search over 1900 companies independently approved by NSI here