Procurement at ESO

The main objective of the Contracts and Procurement Department is to fulfill the organizational needs with regard to procurement and sales in an adequate manner and within the organization's policies and rules for awarding contracts.

For information or questions, please contactcp-garching@eso.org for Europe orcp-chile@eso.org for Chile.

ESO was present at the BSBF2024, the Big Science Business Forum in Trieste, Italy, from 1 to 4 October 2024:BSBF2024

ESO will be present at the BSBF2026, the Big Science Business Forum in Maastricht, Netherlands, from 28 to 30 October 2026: BSBF2026

ESO Procurement Portal

Since 7 November 2022, ESO is running its new procurements through an electronic tendering tool hosted by In-Tend. Any company that wants to participate in ESO procurements will have to register on this tool.

If you have previously been registered in the ESO suppliers data base, your supplier account should have been transferred to the tool automatically. To check this, please navigate to the below link and use the reset password feature to gain access:

https://in-tendhost.co.uk/eso/aspx/Home

You will find a guide “Suppliers. How to Register and modify your data and contact details” at the bottom of the page: https://in-tendhost.co.uk/eso/aspx/BuyerProfiles

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