Requests for changes and technical support for commercial and research users

Request changes

Depending on your licensor and data deliverer you can request support and changes as follows:

Commercial customers with ECMWF as licensor 

Users with the Basic or Bronze service package need to contact ECMWF to make the change for them. Please use our Support Portal (see below).  If the change in data requirements increases your data volume, a fee may applied. 

Users with the Silver or Gold service package can request a change to their dissemination data via the Product Requirement Editor (PREd)

Commercial customers with a licensor other than ECMWF

Users with a licensor other than ECMWF must contact their licensor to request a change.


For support please use our Support Portal 

Operational issues, outside of UK office working hours

For urgent matters regarding the transmission of files, please check the status page and if necessary, open a ticket. 24/7 Operational support is available for users with the Bronze, Silver and Gold service package.