eSourcing tool: guidance for suppliers
How to register and respond to tenders and further competitions using the Government Commercial Agency's eSourcing tool.
Documents
Details
The supplier guidance document provides information on how to find and respond to tender opportunities for suppliers of all sizes, including small businesses.
The bidder guidance covers tasks such as:
- how to express an interest
- how to send a message
- how to upload and download attachments
- how to check that your bid response has been uploaded
For additional support on the eSourcing tool please email eenablement@gca.gov.uk
Register for access or log in to the eSourcing tool. You can also book a webex training session
Updates to this page
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Guidance document updated to v1.5
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Updated references to Crown Commercial Service to Government Commercial Agency, following inception of new agency on 1 April 2026.
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Uploaded new version of existing document.
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Update eSourcing tool: guidance for suppliers doc
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Updated the bidder guidance document
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Updated bidder guidance
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The guidance and documents related to the legacy Emptoris sourcing platform have been removed.
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We updated the bidder guidance document with a newer version.
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Updated guidance for the Jaggaer system
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A guide for the new eSourcing system for bidders has been added to the top of the documents list.
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New supplier How Do I uploaded
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New 'How To' guide added
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Updated quick guide to bidder tasks document
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Removed out of date How Do I guide
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updated eSourcing tool guidance for suppliers
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Updated guidance documents.
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Added quick guides to admin and bidder tasks.
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replaced guidance for suppliers docs A and B for updated versions.
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First published.