Core Maintenance Services, the specialist provider of mechanical and electrical maintenance services, has achieved Chas Elite accreditation — the highest level available through the Contractors Health and Safety Assessment Scheme. The accreditation gives clients independent assurance of the company’s health and safety, compliance and risk management standards, while reducing the prequalification burden for new contract opportunities.
What Chas Elite covers
Chas Elite incorporates the Common Assessment Standard, the construction industry’s leading prequalification framework, and assesses organisations across 13 areas of risk management — including health and safety, environmental management, quality, financial stability, equality and diversity, information security, modern slavery and corporate social responsibility. As more public and private sector organisations adopt the framework within their procurement processes, Chas Elite is becoming an important benchmark for contractors.
What Chas Elite means for clients
For Core Maintenance Services’ clients, Chas Elite confirms that the systems, policies and procedures supporting every engineer on site have been independently assessed against recognised industry standards, giving clients confidence that robust management systems are in place. It also reduces the duplication that often accompanies tendering, with a single assessment satisfying many prequalification requirements and helping to simplify supplier selection.
Tom Lyons, Operations Director at Core Maintenance Services, said:
“Chas Elite goes well beyond the health and safety standards clients already expect from us. It assesses how we manage risk, governance and compliance across the whole business, and confirms that our systems and processes have been independently verified.
“For clients, that provides confidence from the outset. Whether we’re working for a facilities management provider, property owner or principal contractor, they know the business behind every engineer has already been through that scrutiny. That reassurance is there before we even arrive on site.”
Chas Elite, the Standards
Chas Elite is built on the Common Assessment Standard, a framework developed to bring consistency to contractor prequalification across the UK construction and maintenance sectors. Rather than assessing health and safety in isolation, it examines an organisation against 13 distinct areas of risk management, each supported by documented evidence and independently verified.
Those areas span health and safety, environmental management, quality management, financial and professional standing, equality and diversity, information security, anti-bribery and corruption, modern slavery and corporate social responsibility. To reach the Elite standard, an organisation must demonstrate not only that policies exist, but that they are applied consistently and reviewed as part of day-to-day operations. It is a deliberately demanding benchmark — one that reflects how a business is actually run, not simply how it presents itself on paper.
How Chas Elite benefits customers of an accredited holder
For the customers of a Chas Elite holder, the value is practical. The accreditation removes much of the due diligence that would otherwise fall to the client, because the contractor’s governance, compliance and risk management have already been independently assessed against a recognised national standard. That means less time spent verifying credentials and greater confidence that the supplier can be trusted with critical work.
It also streamlines procurement. Because the Common Assessment Standard is recognised across a growing number of buyers, a single Chas Elite assessment can satisfy multiple prequalification requirements, reducing paperwork and shortening the route from enquiry to appointment. For facilities managers, property owners and principal contractors, that translates into faster mobilisation, lower administrative overhead and a supply chain that is easier to defend to auditors and stakeholders.
Above all, it provides reassurance where it matters most. Choosing a Chas Elite accredited maintenance partner means the systems behind every engineer — from safety procedures to data handling and ethical practice — have been scrutinised before work ever begins.
Building on a foundation of quality
The accreditation sits alongside Core Maintenance Services’ ISO 9001:2015 certification for quality management, reflecting a consistent, externally audited approach to quality and operations. Together, these independent certifications strengthen the company’s position as a trusted partner for organisations across the UK, delivering planned preventative maintenance, reactive engineering, statutory compliance and specialist technical services across commercial buildings nationwide.
To find out more about working with a Chas Elite accredited maintenance partner, get in touch with the Core Maintenance Services team.
Related reading: Why electrical projects fail without planned preventative maintenance · M&E maintenance in London: supporting the LSE estate






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