CSG Accreditations & Certifications
CSG’s waste management accreditations, certifications and memberships support our approach to quality, environmental management and health and safety. Explore the schemes below and download supporting certificates, including details of the activities and locations covered.
Achilles UVDB Verify
CSG has completed the Achilles UVDB Verify Category B2 assessment, supporting supplier qualification for customers in the utilities sector. View our audit certificate for assessment details.
Avetta SSIP
CSG is assessed through Avetta’s SSIP scheme, demonstrating that our health and safety arrangements meet recognised contractor pre-qualification requirements.
SafeContractor
CSG is SafeContractor accredited, demonstrating that our health and safety procedures have been independently assessed and meet recognised standards for contractor health and safety assessment.
British Water
CSG is a member of British Water, the trade association representing businesses across the water and wastewater sector.
DNV-Certified Management Systems
CSG holds DNV certification to ISO 9001:2015 for quality management, ISO 14001:2015 for environmental management and ISO 45001:2018 for occupational health and safety management. The activities and locations covered are detailed in each certificate and its appendix.
BAS (Biosolids Assurance Scheme)
CSG’s Botley and Forstal Road sewage treatment centres are covered by the Biosolids Assurance Scheme certificate. This provides assurance for the treatment and management of biosolids for agricultural use within the certified scope.
Chartered Institution of Wastes Management
CSG is an Affiliated Organisation of the Chartered Institution of Wastes Management (CIWM), supporting our connection with the waste and resources profession.
CHAS
CSG holds CHAS Advanced certification, supporting contractor pre-qualification across the areas assessed by the scheme. View our current certificates for details of the assessment and membership.
Logistics UK Membership
CSG is a member of Logistics UK, supporting access to specialist guidance, industry knowledge and compliance expertise across the transport and logistics sector.
JOSCAR
CSG is registered with JOSCAR, the supplier assurance system used across the defence, aerospace and security sectors to support consistent pre-qualification and compliance.
Sedex Membership
CSG is a Sedex member, supporting responsible sourcing and greater transparency across supply chains through the sharing and management of sustainability and ethical business information.
RISQS
CSG is registered with RISQS for the product and service categories listed in our supplier qualification documents. Our membership and audit certificates provide details of the scope covered.
CIRAS
CSG is a member of CIRAS, providing an independent and confidential reporting route for health, safety and wellbeing concerns within the transport sector.
Constructionline Gold
CSG holds Constructionline Gold membership, supporting supplier pre-qualification through checks against the scheme’s requirements. Current verification status can be checked through Constructionline.
CQMS
CSG is registered through the CQMS Safety Scheme, supporting contractor pre-qualification and demonstrating compliance with recognised health and safety requirements.
IOSH Managing Safely Training
CSG is approved to deliver IOSH Managing Safely training in-house, helping managers develop practical skills in risk management, incident prevention and safe leadership.
IOSH Working Safely Training
CSG is approved to deliver IOSH Working Safely training in-house, giving employees practical knowledge to recognise hazards, understand risk and work safely.
Downloads & Forms
Find our accreditation and membership certificates, with supporting documents for supplier checks and tender submissions.
Questions About Our Accreditations?
Need a certificate for a tender, supplier assessment or specific CSG location? Contact our team for help confirming the relevant certification, scope and supporting documentation.