The Contractors Health and Safety Assessment Scheme
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Welcome to the Contractors Health and Safety Assessment Scheme (CHAS). We are dedicated to completing health and safety pre-qualification assessments to a nationally recognised and accepted threshold standard

The biggest and fastest growing Health and Safety assessment scheme in the UK

With 512 buyer members, over 44,000 suppliers on its database and 130 freelance assessors, CHAS is not only the largest but also the fastest growing health and safety assessment scheme in the UK.

In November 2011 we:

  • added 605 new suppliers to the database
  • granted "deem to satisfy" to 229 suppliers through SSIP
  • dealt with over 1400 other assessment requests