eSourcing Tool: Guidance for Suppliers
Summary
The Crown Commercial Service uploaded a new version of its eSourcing bidder guidance document for the Jaggaer system on 16 February 2026. The guidance provides step-by-step instructions for suppliers of all sizes on how to register for access, express interest in opportunities, send messages, upload and download attachments, and verify bid submissions using the Crown Commercial Service eSourcing portal. Additional support is available via email and webex training sessions.
What changed
The Crown Commercial Service updated its existing eSourcing bidder guidance document with a new version for the Jaggaer system, dated 16 February 2026. The update replaces previous guidance for the legacy Emptoris platform. The document covers core supplier tasks including expressing interest, submitting messages, handling attachments, and verifying bid uploads.
Suppliers seeking to participate in UK public sector procurement should use this guidance to navigate the Crown Commercial Service eSourcing portal. Small businesses and new suppliers can access registration links, support email addresses, and webex training sessions to understand the tender response process.
Archived snapshot
Apr 20, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Guidance
eSourcing tool: guidance for suppliers
How to register and respond to tenders and further competitions using the Crown Commercial Service’s eSourcing tool.
From: Crown Commercial Service Published 8 April 2014 Last updated 16 February 2026
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Documents
eSourcing bidder guide: Jaggaer system
ODT, 122 KB
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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@crowncommercial.gov.uk
Register for access or log in to the eSourcing tool. You can also book a webex training session
Updates to this page
Published 8 April 2014 Last updated 16 February 2026
1.
16 February 2026
Uploaded new version of existing document.
2.
7 November 2024
Update eSourcing tool: guidance for suppliers doc
3.
18 July 2023
Updated the bidder guidance document
4.
4 April 2022
Updated bidder guidance
5.
22 April 2020
The guidance and documents related to the legacy Emptoris sourcing platform have been removed.
6.
8 January 2020
We updated the bidder guidance document with a newer version.
7.
18 October 2019
Updated guidance for the Jaggaer system
8.
22 August 2019
A guide for the new eSourcing system for bidders has been added to the top of the documents list.
9.
15 June 2017
New supplier How Do I uploaded
10.
15 June 2017
New 'How To' guide added
11.
13 March 2017
Updated quick guide to bidder tasks document
12.
6 March 2017
Removed out of date How Do I guide
13.
10 January 2017
updated eSourcing tool guidance for suppliers
14.
20 July 2016
Updated guidance documents.
15.
29 June 2015
Added quick guides to admin and bidder tasks.
16.
16 June 2015
replaced guidance for suppliers docs A and B for updated versions.
17.
8 April 2014
First published.
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