We offer a specialist service to develop full WIRS, NERS & GIRS compliant documentation, management systems, method statements and safe systems of work to quickly and cost-effectively gain the WIRS, NERS, or GIRS accreditations for your business with a 100% success rate across the UK.
The Water Industry Registration scheme enables contractors to gain accreditation as a WIRS provider or Self Lay Organisation (SLO). This is recognised by all water companies and Water UK.
To gain this accreditation, contractors must prove they can work to the scheme's requirements. This includes having full, comprehensive and WIRS compliant documentation to include: in-depth risk assessment and method statements, safe systems of work, and demonstrate management and quality assurance. You must also prove you have engaged a WIRS technical advisor.
Calson develops WIRS compliant documentation to enable your company to achieve and maintain the WIRS accreditation. We tailor methods, manuals, and procedures to your specific requirements and implement the system within your company.
We also act as a WIRS technical advisor, to ensure that you meet the WIRS requirements, but do so in a cost-effective way.
Temporary disconnections/reconnections
Meter installation
Permanent disconnections
Permanent disconnections (up to 40mm supply)
Permanent disconnections (over 40mm supply)
The National Electricity Registration Scheme enables companies to carry out the contestable works involved within electric installation. As a NERS accredited provider or a DNO ( Distribution Network Operator) you will be able to carry out the design or construction of electric installations depending on which scopes you apply for.
To gain this accreditation, contractors must prove they can work to the scheme's requirements. This includes having full, comprehensive, and NERS compliant documentation to include: in-depth risk assessment and method statements, safe systems of work, and demonstrate management systems and quality assurance. You must also prove you have engaged a NERS technical advisor.
We tailor methods, manuals, and procedures to your specific requirements and implement the system within your company. We can also act as your Technical Advisor to manage your NERS accreditation and advise you to help keep you compliant with the NERS scheme.
The Gas Industry Registration Scheme enables companies successfully assessed to become GIRS Registered or more commonly known as a Utility Infrastructure Provider (UIP).
GIRS Registered companies can carry out work within the gas infrastructure up to 7 bar, gas connections, services alterations, or disconnections, depending on which scopes you have gained accreditations in.
To gain this accreditation, as a contractor you must prove you can work to the scheme requirements. This includes having full, comprehensive, and GIRS compliant documentation to include: in-depth risk assessments and method statements, safe systems of work, and demonstrate management systems and quality assurance. You must also prove you have engaged a GISR technical advisor.
We tailor methods, manuals, and procedures to your specific requirements and implement the system within your company. We can also act as your Technical Advisor to manage your GIRS accreditation and advise you to help keep you compliant with the GIRS scheme
GIRS SCOPES
33 Cobden Street, Salford, M6 6WF, United Kingdom
Registered in England &, No 14463088; VAT Reg No. 429 5919 54 General Enquiries: 0161 5289331 Email: Support@calsonsolutions.co.uk
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Copyright © 2025 Calson Solutions Ltd
General Enquiries: 0161 5289331
Company Registration No. 14463088 Registered in England & Wales
Address: 33 Cobden Street, Salford, Manchester, M6 6WF, United Kingdom
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