- Housing Associations such as Circle Anglia, Tower Homes, Presentation and Berwickshire Housing Associations and the Moat Housing Group.
- Local Councils such as Thurrock Council, Kirklees Metropolitan Council and Guildford Borough Council
- Further Education Colleges such as Guildford College, College of North West London and Bedford College
- Schools and Community Centres throughout the country
Accreditations and Certifications
SEI is committed to providing high quality services to its customers and has been accredited by the following schemes and organisations:
- SEI is a fully Accredited Installer under the Low Carbon Building Programme Phase 1 and Phase 2. SEI was also a fully Accredited Installer under previous grant schemes including the Major Demonstration Programme and Clear Skies.
- SEI has signed the REAL Assurance Scheme for photovoltaics, hydro power and wind installations.
Quality Management
SEI operates a Quality Management System compatible with the recognised international standard, BS EN ISO 9001:2000. SEI has a documented set of procedures and a Quality Policy, as well as an Environmental Policy and maintains a programme of continuous improvement as required under the ISO 9000:2000 standard.