Accreditations & membership
Confidence in your contractor matters. Our credentials bring together electrical competence, quality management and health and safety — backed by the way we plan, deliver and check our work.
Explore Our Credentials
ISO 9001 · Quality ManagementQuality assurance
Our ISO 9001 quality management system gives structure to the work behind every job: understanding your requirements, checking the results and learning from experience.
Competence. Care. Accountability.
Electrical Competence
Registration No. 012609
Frost Services is an NICEIC Approved Contractor, also listed for Domestic Installer and Portable Appliance Testing certification.
Find Us on the NICEIC Register (opens in a new tab)
Professional Membership
Registration No. 1683495
We are a registered member of ECA, the Electrical Contractors’ Association.
View Our ECA Listing (opens in a new tab)
Supplier Assurance
Our Constructionline Gold membership and Acclaim accreditation provide supporting credentials for your tender or supplier approval process.
Discuss Supplier Requirements
Health & Safety
Registration No. ZT8683
Our SafeContractor accreditation complements site- and job-specific RAMS and advice from Citation, our external health and safety consultant.
Our Health & Safety Approach
Registered for electrical work
Registration No. 2132004
A TrustMark Registered Business for electrical work, with ECA as our scheme provider.
View Our TrustMark Listing (opens in a new tab)
Health & safety assessment
Listed on the Safety Schemes in Procurement portal, including the scope “SSIP Approved: Contractor (CDM)”.
View Our SSIP Listing (opens in a new tab)For procurement & property teams
Preparing a tender or reviewing a new contractor? Tell us about the work and the supporting documents you need. Our team can help with your supplier review.
Discuss Supplier Requirements