CHAS accreditation UK is a health and safety assessment scheme for contractors that demonstrates compliance and competence to buyers and reduces risks. 

CHAS is a member of SSIP and follows the HSE and CDM 2015 standard.

SSIP stands for Safe Schemes in Procurement and is a set of health and safety assessment criteria used by many construction clients and principal contractors in the UK.

 It is not an accreditation in itself, but an umbrella organization that pulls together several different health and safety schemes and combines them to create a single accreditation process: SSIP accreditation. SSIP is approved and recognized by the Health and Safety Executive.

Constructionline Silver is level 2 of the memberships in Constructionline accreditation. To become accredited at this level, you will have to provide information about your company and identity details, finances, insurance information, and business and professional standing. Constructionline Silver membership is open to all industries and is available to any business that provides services to the public and private business sectors.

Acclaim Accreditation is an assessment to comply with health and safety standards. It is a member of the Safety Schemes in Procurement (SSIP).The accreditation is part of the Constructionline process and enables you to demonstrate your compliance with health and safety legislation and allows you to get pre-qualified and assessed all in one place. As an SSIP member scheme, Acclaim Accreditation supports the objectives of SSIP to improve health and safety standards across the UK and reduce duplication of paperwork in procurement.