We create and maintain clean, safe and secure environments

When you’re running a business, the last thing you want is disruption. That’s why we’ve structured our business and our way of working to fit as seamlessly as possible into your operations. We always put the needs of your business first.

That makes us different from most providers of support and compliance services. It means we find solutions to problems before they happen. It means we give our teams better, closer supervision. It means you get more reliability, more support, more ideas and more flexibility. You get a personal touch.

When you start working with MSS, we’ll look at your business’s needs and design a solution that works for you. Once it’s in place, we’ll monitor it to make sure it stays ahead of changing circumstances. Above all, we’ll listen to your feedback and act on it – fast.

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Constructionline Gold

We are proud to have achieved Constructionline Gold. This higher level  of accreditation involved us  completing an extended verified PQQ, covering Environmental Management, Equalities and Diversity, Quality Management, and ensuring legislative compliance.

Investors In People

Investors in People is the mark of high performance in business and people management. We are delighted to have achieved the Investors in People Standard at Silver level.

We are passionate about our people and have introduced a number of new initiatives over the past 12 months, to ensure our employees feel valued and appreciated for the work that they do and that they have the opportunity to grow and develop.

Our accreditation lasts for 3 years and in line with the Investors in People recommendations and we will continue to look to make improvements in People Management throughout MSS.

ISO 9001

ISO 9001, a quality management system, enables MSS to continuous improvement our  quality management systems (QMS) and processes. Click here for ISO website.

ISO 14001

ISO 14001, an environmental management system, enables MSS to implement environmental policy and objectives and ensure continual improvement. Click here for ISO website.

ISO 45001

ISO 45001, a health and safety management system, enables MSS to control its occupational health & safety risks, continually improve its OH&S performance and demonstrate conformity to this high standard. Click here for website.


Legionella Control Association: MSS Acorn supply all forms of Water Treatment and Legionella Management, including chemical supply and Legionella Risk Assessment. Click here to see LCA website.

Security Industry Authority

MSS Group Limited currently holds SIA Approved Contractor Scheme (ACS) status for the provision of Security Guarding. Click here to access the SIA website.



Contractors Health and Safety Assessment Scheme (CHAS) assesses a company’s health and safety policies and performance. CHAS members have proven safety management, saving buyers both time and resources in qualifying them as suppliers. We are CHAS accredited for our MSS Environmental division. Click here for CHAS website.


Safecontractor, the health and safety accreditation scheme, reviews and audits the health and safety policies, procedures and documentation of contractors. Using a safe contractor accredited supplier means you can reduce the time spent in reviewing health and safety pre-qualification questionnaires. Click here for safe contractor website


UK Asbestos Training Association was created by those in the industry who had the vision and belief that it is possible to improve and maintain higher standards for asbestos training through a monitoring system. Click here for UKATA website.


ACAD only admits members who can demonstrate high standards of workmanship and health and safety management. All ACAD members are independently audited at least twice a year and have to maintain appropriate levels of insurance for the work they undertake.