Setting the Standard in Quality & Compliance
For more than four decades, we have built trust by delivering services that consistently meet and exceed expectations of our customers and colleagues alike.
Our fully integrated Quality Management System drives every operation, ensuring the delivery of a professional, consistent and accountable service.
Our Commitment
Constant are committed to the requirements of EN ISO 9001 : 2015, the SIA Approved Contractor Scheme, the Private Security Industry Act 2001 and to the British Standards across every part of the business.
This commitment ensures our clients receive reliable, compliant and consistently high-quality security services at all times.
View Official SIA CertificationOur Responsibility
Every six months, we’re independently inspected by the National Security Inspectorate to the Guarding Gold Standard which is generally recognised as the highest benchmark for quality and compliance in the industry.
This accreditation covers all our services: static guarding, mobile patrols, keyholding and response, door supervision, CCTV monitoring, event stewarding and crowd safety.
View Official NSI CertificationAccredited Quality
Unlike many providers, Constant holds both UKAS Management Systems and UKAS Product Certification, a dual seal of quality that places us among the UK’s most rigorously audited and trusted security companies.
The results speak for themselves. Our Approved Contractor Scheme score positions us within the top 5% of all UK security companies for quality service provision.
View Official ACS Certification
Mission & Values
We strive to provide a high quality service, tailor made to customer requirements, gaining commitment through training and teamwork to ensure that our customers are Constantly satisfied.
Contact usFrequently Asked Questions
NSI Guarding Gold and ACS are industry specific accreditations which combine ISO9000 certification and In our case British standards for every part of our business.
Six monthly independent external audits from specialists within the security industry, verify that our management systems, operational delivery and compliance consistently exceed regulatory benchmarks.
From contract mobilisation to performance reporting, is managed to the highest professional and regulatory standards.
For many years, Constant has been involved at industry level, steering the development within British Standards and Approved Contractor Scheme. Senior leaders at Constant are involved in SIA special interest groups, ACS focus groups, British Standard reviews and Apprenticeship trailblazers. This means that we are at the cutting edge of industry developments but more importantly we are involved in steering them.
Constant holds both UKAS Management Systems and UKAS Product Certification a rare dual achievement in the UK security industry.
UKAS accreditation provides independent confirmation that our processes meet the highest international quality and competence standards.
We have a well establish quality management system with processes to support operations on site and at the head office.
There is a programme of internal and site audits to check compliance and identify opportunities for continuous improvement.
We have robust reporting mechanisms to ensure clients receive feedback and the output of activity on sites.