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Label Lock logo with OPENED message

The Premium Brand of Tamper Evident Security Labels, Tapes and Seals


ISO 9001-2015 Quality Management Systems Accreditation logo
ISO 14001 Environmental Management System logo
Cyber Essentials PLUS logo
CTPat logo
LabelLock is an NPSA rated product and is approved for UK Government use, for details contact NPSA

ISO 17712:2013

We became the first and only manufacturer to achieve ISO17712:2013 accreditation for tamper evident security labels and tape. (View certificate here). Requirements of the standard include 100% security vetting of staff, enhanced physical security of the factory, regular batch testing of tamper evident features against known attack mechanisms and complete traceability of products.

ISO 14001:2015

Gaining ISO 14001 is a significant achievement, and it reinforces our commitment to being a sustainable and environmentally conscious manufacturing business. (View certificate here)

National Protective Security Authority (NPSA) rated products

LabelLock No Residue Tamper Evident Security Labels, LabelLock Dual Layer Tamper Evident Security Labels and LabelLock Tamper Evident Security Tape are all NPSA rated products. Approved for UK Government use. For details contact NPSA.


We sell C-TPAT compliant – ISO 17712 Classification Grade H high security seals in our range as well as security ”I” (Indicative) and “S” (Security) level tamper evident seals

ISO 9001:2015

All Label Lock products are manufactured and supplied under the highest of quality control procedures including UKAS accredited ISO 9001:2015 certification to manufacture tamper evident packaging. (View certificate here)

Cyber Essentials PLUS:

We are proud to announce that we are the only UK Labels manufacturer to have achieved the Cyber Essentials Plus accreditation. (View certificate here)

Cyber Essentials is a Government accredited and industry supported scheme, which focuses on five important technical controls, designed to guard against the most common internet based cyber security threats.

These controls are:

  • Firewalls
  • Secure Configuration
  • User Access Control
  • Malware Protection
  • Patch Management

Cyber Essentials PLUS accreditation certificate for Mercian Labels. Valid to 23-04-2025

Label Lock® is manufactured by Mercian Labels at our plant in Burntwood, Staffordshire.

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