We hold accreditations across every part of what we do, from ISO certified quality, safety and environmental management through to trade specific memberships. Each one means an independent body has checked our processes, our people and our workmanship, and signed off that we meet the standard.
For a client that translates into something simple: you are working with a contractor that has been vetted, not one that says the right things. These are the ones we hold, grouped by the work they stand behind.
EWI and retrofit
The approvals and guarantees behind our external wall insulation and retrofit work. On our Edinburgh retrofit projects for the City of Edinburgh Council, all works were delivered to PAS 2035, with 25-year insurance-backed SWIGA guarantees for residents.
- BBA Approved Installer 8778
- BBA Approved Installer 8778, PAS 2030
- BBA TrustMark
- SWIGA, Solid Wall Insulation Guarantee Agency · View certificate (PDF)
- INCA, Insulated Render and Cladding Association
- Certass
Management systems
Quality, environmental and occupational health and safety management, each certified by an independent body and audited against the standard.
- ISO 9001, Quality Management System · View certificate (PDF)
- ISO 14001, Environmental Management System · View certificate (PDF)
- ISO 45001, Occupational Health and Safety Management System · View certificate (PDF)
Health, safety and procurement
Health and safety pre-qualification and supply chain vetting, checked in advance by independent schemes, so the checks a framework or tender asks for are already done.
- Alcumus SafeContractor · View certificate (PDF)
- SSIP Once For All, Health and Safety Contractor · View certificate (PDF)
- SSIP Once For All, DTS process · View certificate (PDF)
- Constructionline
- Constructionline Social Value
Specialist trades
The memberships behind the roofing and gas work that comes up across our refurbishment and retrofit programmes, from re-roofing to new heating systems.
- NFRC, National Federation of Roofing Contractors
- Gas Safe Register
What these actually buy you
Accreditation is pre-qualification done in advance. On a framework or a tender it means the checks a client would otherwise run have already been run by somebody independent, which shortens the route to appointment. On site it means the systems behind the work are audited rather than assumed.