Accreditations, Memberships & Frameworks

We’re accredited with the ISO 27001 standard, which enables organisations to manage the security of assets such as financial information, intellectual property, employee details or information entrusted by third parties.

ISO 45001:2018 specifies requirements for an occupational health and safety (OH&S) management system, and gives guidance for its use, to enable organisations to provide safe and healthy workplaces by preventing work-related injury and ill health, as well as by proactively improving its OH&S performance.

We’re accredited to the ISO 50001 standard, for organisations committed to addressing their impact, conserving resources, and improving the bottom line through efficient energy management.

SMS is a qualified supplier of gas connections and metering services for the aerospace, defence, and security sectors, accredited through JOSCAR.

Our Training Academy in Bolton is approved by the LCL Awards, a UKAS Accredited Certification Body for the ACS gas scheme and an Ofqual, CCEA and Qualifications Wales recognised Awarding Organisation.

Our commitment to Living Hours provides our employees with stability of hours to meet their everyday needs. The standard has been developed to ensure that people have the predictable working patterns and income to better plan their lives.

Accredited Living Wage employers have been certified by the Living Wage Foundation and are committed to paying all employees at least the “real living wage”. The real living wage is the only UK wage rate that is voluntarily paid by businesses who believe their staff deserve a wage which meets everyday needs.

The Green Economy Mark recognises London Stock Exchange (LSE) listed companies that derive more than 50% of their revenues from products and services that are contributing the environmental objectives such as climate change mitigation and adaptation, waste and pollution reduction, and the circular economy.

The Code of Practice for Gas Meter Asset Managers (MAMCoP), administer by Ofgem, applies to organisations undertaking managing primary gas meter installations connected to the network in Great Britain.

The Meter Operation Code of Practice Agreement (MOCOPA®) is an agreement between Electricity Distribution Businesses and Electricity Meter Operators in Great Britain which defines safety, technical and business interface requirements regarding the provision of meter operation services.

SMS is a signatory of the charter for ‘Employers Positive about Mental Health’, which recognises UK employers who are working towards better mental health in the workplace.

Our MSCI rating has consistently improved in line with our evolving disclosures, progressing to AA rating based on data released in 2022, denoting us as ‘Leader’ status relative to industry peers.

The National Skills Academy (NSA) network was established by the Government to address the need for a world-class workforce with better skills than ever before. National Skills Academies are employer-led centres of excellence, delivering the skills required by each sector of the economy.

The National Suicide Prevention Alliance (NSPA) is an alliance of public, private and voluntary organisations in England who care about suicide prevention and are willing to take individual and collective action to reduce suicide and self-harm, and support those bereaved or affected by suicide.

The National Electricity Registration Scheme (NERS) is operated on behalf UK Distribution Network Operators (DNOs) and assesses Independent Connection Provider (ICP) on works associated with the installation of electrical connections, such as design of new connections to the network, and installation of electrical switches and transformers.