SEI are registered with the NICEIC under the Approved Contractor Scheme and Domestic Installer Schemes.   The NICEIC has been assessing the electrical competence of electricians for over fifty years and currently maintains a roll of over 26,000 registered contractors.

Approved contractors undergo a rigorous assessment process, covering a representative sample of their work, their premises, documentation, equipment, and the competence of their key supervisory staff. They are then re-assessed on a regular basis to ensure continued compliance.


Constructionline is a Public-Private Partnership between Capita and the Department for Business Innovation & Skills. A national online database, the UK’s largest register for pre-qualified contractors and consultants. In terms of efficiency, time and cost saving and best practice, Constructionline is proven to deliver for public and private sector organisations alike.


SEI have been CHAS Accredited since 2014. Being CHAS approved reduces duplication as suppliers compliance is accepted by all CHAS buyers