
CHAS helps businesses meet regulations and governance in global supply chains. Access 32,500+ prequalified contractors and suppliers, along with supply chain management tools through the CHAS Client Portal. Upgrade compliance instantly with CHAS.
CHAS helps businesses meet regulations and governance in global supply chains. Access 32,500+ prequalified contractors and suppliers, along with supply chain management tools through the CHAS Client Portal. Upgrade compliance instantly with CHAS.


















CHAS is the UK’s leading procurement and supply chain management services provider. Our client solutions are designed to help you connect with contractors who meet risk management best practices in health and safety, modern slavery and environmental regulations. With CHAS as your partner, you can reduce the risk of penalties and reputational damage resulting from non-compliance.
Our supply chain management service eliminates the stress of lengthy and expensive procurement processes. CHAS clients get access to a dedicated account manager ready to support your business’s supply chain and risk management needs.

Become a CHAS client and access exclusive benefits and our database of over 32,500 prequalified contractors.
CHAS membership for clients provides instant access to our complete prequalified contractor list, the CHAS Client Portal, and a full suite of supply chain management and procurement tools. Our mission is to connect clients across multiple industries with prequalified contractors vetted through accreditation standards such as SSIP, PAS91 and the Common Assessment Standard.
Our award-winning services have garnered a Feefo Platinum Trusted Service Award in 2019, 2020, 2021 and 2022 — an achievement that demonstrates our commitment to delivering outstanding customer service. We operate with an open and transparent agenda and align our services to meet each client’s unique needs, values and operational standards.
Together, we can make the world of work safer.

Find accredited contractors for your project quickly and easily using our prequalified contractor list.
Connect and engage with over 32,500 prequalified contractors vetted through accreditation systems such as SSIP, PAS 91 and the Common Assessment Standard.

The CHAS Jobs Board is a free resource that allows clients to quickly and easily find accredited contractors and includes the facility to search by specific or multiple trades, desired assessment level, location and radius.
The CHAS Jobs Board can be found in the CHAS Client Portal, along with a suite of complimentary supply chain management and procurement tools.

The CHAS Client Portal is your complete supply chain and risk management dashboard.
Use it to access exclusive client services and procurement tools such as the Contractor Search Tool, Jobs Board and reports, as well as real-time information about your supply chain and contractor compliance levels.
For over 25 years, CHAS has helped raise supply chain compliance standards through our award-winning health and safety assessments and risk management solutions. Become a CHAS client today to unlock the following benefits.
CHAS clients get instant access to our Contractor Search Tool, which lets you explore our database of prequalified contractors across the UK. We guarantee that each contractor in our database is a registered CHAS member who has been vetted through one or more of the country’s leading accreditation systems.

Our entry-level membership option, CHAS Standard, includes our industry-leading health and safety assessment, a self-certified insurance module and SSIP accreditation.

CHAS Advanced, our mid-range package, comes with accreditation services to help contractors comply with SSIP and PAS 91 standards.

On top of SSIP and PAS 91, CHAS Elite membership includes the Common Assessment Standard — the UK construction industry’s pre-eminent prequalification system that standardises accreditation across 13 supply chain management risk areas.
The CHAS Client Portal can help your business view and manage projects in real-time through a single, intuitive dashboard.
Our CHAS client services and tools are designed to help you reduce risk across your entire supply chain. The CHAS Client Portal dashboard will offer full visibility of your projects and subcontractors in your supply chain network. Our Contractor Search Tool will ensure that you work with only the best businesses and providers in the country.
The CHAS Client Portal will display all the information you need to determine your target level of supply chain compliance and the specific assessments your contractors need to get there. With real-time alerts if any lapses in compliance occur in your supply chain, you can also match prequalified and suitably compliant contractors with your business or increase compliance levels across the board with our contractor accreditation services.
With a dedicated CHAS Business Development Manager, they will provide your account with personalised support and expert supply chain advice, from helping define your business requirements, to guiding you through our client tools and services during the onboarding process. Tier 1 CHAS clients can also receive training on how to use the CHAS Client Portal.
Sign up for FREE today or learn more about our client services by scheduling a callback with one of our friendly CHAS advisors.
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