How to buy through Crown Commercial Service
Buy through our commercial agreements and catalogues
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Frameworks
A compliant way for the public sector to buy products or services from suppliers. Includes open and closed frameworks.
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Dynamic purchasing systems
An online tool that lets you buy a range of products and services from a list of pre-approved suppliers.
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Dynamic markets
A new online purchasing tool that was introduced under the Procurement Act 2023. They provide a list of capable suppliers that you can award future contracts to.
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Catalogues
Catalogues are for simple everyday purchases, such as IT equipment, which you can buy online for quick delivery.
Buy through aggregation, eAuction or one of our procurement services
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Aggregation
Aggregation is also known as collective buying. It brings together customers with similar needs and ensures savings through increased buying power.
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Contract award service
Contract Award Service (CAS) is a new buying option that will provide you with an online end to end procurement process for some of our commercial agreements.
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eAuctions
Have potential suppliers compete in real time to win contracts.
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Assisted procurement service
Our complimentary service which provides you with full management of your procurement through our secure e-Sourcing portal.
Why buy through Crown Commercial Service?
We help thousands of public and non-profit organisations buy goods and services from suppliers in the private sector.
All public and non-profit organisations including government departments and local governments can use our services.
We design our commercial agreements to help you buy what you need when you need it. Our commercial agreements have:
- standardised contract terms
- guidance for buyers
- a list of pre-evaluated suppliers
Make savings on smaller, everyday purchases such as office supplies through our catalogues. Or, you may achieve greater savings through the power of collective buying by signing up to take part in one of our aggregations.

Procurement Essentials
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What is the competitive flexible procedure and how will it work for public sector buyers?
The Procurement Act 2023 has introduced a new form of competitive process for awarding contracts.
Read more about What is the competitive flexible procedure and how will it work for public sector buyers? -
How open frameworks benefit public sector buyers – Procurement Essentials
Under the Procurement Act 2023, a new type of commercial agreement called open frameworks has been introduced that will help public sector buyers achieve even greater value for money.
Read more about How open frameworks benefit public sector buyers – Procurement Essentials -
Aggregations, eAuctions, and how to take advantage of the public sector’s national buying power – Procurement Essentials
Procurement Essentials is a series of articles to help you overcome common hurdles, understand key concepts, and make your life as a buyer of everyday goods and services easier
Read more about Aggregations, eAuctions, and how to take advantage of the public sector’s national buying power – Procurement Essentials
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Information for buyers and suppliers
Find helpful information to help you start buying or supplying.
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Glossary
Find explanations for common terms and abbreviations used in public procurement.