Which SSIP or contractor accreditation do you need?

These schemes check your health and safety setup so clients can approve you for work. The paperwork is often very similar, but different clients ask for different scheme names.

If a client has already named a scheme, choose that one. If they have only said "SSIP" or "contractor accreditation", use the quick guide below or compare the common options first.

What SSIP means

It is a contractor safety assessment used to show you have the right policies, risk controls and paperwork in place.

Why there are different names

CHAS, SafeContractor, Acclaim and others all serve a similar purpose, but buyers often prefer one brand over another.

How to choose quickly

Start with who is asking, what kind of jobs you do and how fast you need approval. That usually narrows it down fast.

Answer 3 short questions and we will point you to the most likely fit. If you would rather compare first, scroll to the scheme cards below.

Step 1 of 3

Who is asking you for accreditation?

Tap one option to continue. Timescales depend on how quickly documents and evidence are ready.

    Continue to Contact Form

    Advanced Guide (Optional)

    Step 1 of 3

    What type of jobs do you mainly do?

      Use This and Continue

      Compare the main options

      All of these are contractor approval routes, but each tends to be more common with certain buyers. If a tender or client has named one of them, use that scheme.

      Public sector

      CHAS

      Usually the clearest fit for councils, housing associations, schools and public-sector style work.

      • Best when the buyer is linked to public procurement
      • Strong recognition with local authorities and housing
      • Useful if you want a well-known general SSIP name
      Choose CHAS
      Commercial sites

      SafeContractor

      Commonly seen on commercial sites, facilities work, retail jobs and hospitality contracts.

      • Best when private-sector site controls are important
      • Often requested by commercial and facilities buyers
      • Good fit if you mainly work on occupied business premises
      Choose SafeContractor
      Bigger construction

      Constructionline

      More common when you are moving into bigger building projects, supply chains and formal tendering.

      • Best for main contractor and framework opportunities
      • Often used where buyers want broader pre-qualification checks
      • Usually less of a simple first-time route than CHAS or Acclaim
      Choose Constructionline
      Utilities and enterprise

      Avetta

      Typically used by larger corporates, infrastructure businesses and utility clients with stricter controls.

      • Best where buyer compliance rules are more detailed
      • Common in infrastructure, utilities and higher-risk sectors
      • Usually chosen because the client specifically asks for it
      Choose Avetta
      Simple starting point

      Acclaim

      Often a practical first accreditation for smaller firms or contractors new to formal approvals.

      • Best when you need a straightforward entry route
      • Good for smaller firms and first-time applications
      • Useful when speed matters and the buyer has not named another scheme
      Choose Acclaim

      Contact Form

      Tell us your trade and the client asking for accreditation, and we will complete the right application for you.

      Choose accreditation (required)

      Please choose one option before submitting the form.

      No accreditation selected yet.

      Please choose an accreditation first, then submit the form.

      Call us now: 01484 940950

        Here’s what some of our clients have to say about us...

        Many thanks to Synergos, and their Health and Safety Consultant Steve Kilburn, who recently supported us through the process of CHAS accreditation. His understanding of the process and the information required guided us smoothly, easily and with minimal disruption to our daily activities.

        Thank you Steve and the Synergos Team. You have provided a great service. I will most certainly be in touch to cover a few more things such as site audits.

        We have been very pleased with the service from Synergos Consultancy in supporting us as we went through the CHAS accreditation and re-accreditation process. It relieved us of the stress in making sure everything was in order for the deadline. Steve was always helpful and reassuring when we called or had email communication. We would highly recommend this company from the way they have handled our account in a professional and efficient manner.

        Subscribe to our newsletter

        Sign up to receive updates, promotions, and sneak peaks of upcoming products. Plus 20% off your next order.

        Promotion nulla vitae elit libero a pharetra augue
        Subscribe to our newsletter

        Sign up to receive updates, promotions, and sneak peaks of upcoming products. Plus 20% off your next order.

        Promotion nulla vitae elit libero a pharetra augue
        Subscribe to our newsletter

        Sign up to receive updates, promotions, and sneak peaks of upcoming products. Plus 20% off your next order.

        Promotion nulla vitae elit libero a pharetra augue