Submit your expression of interest (EoI)#
Last modified: 27 Aug 2025
Register for a UK LLC Apply account#
Go to UK LLC Apply to register for an account and complete all required fields.
Note: Researchers must be based in the UK, be part of a non-commercial research organisation and be an Office for National Statistics (ONS) Accredited Researcher.
You may submit your EoI and complete the accreditation process in parallel. Accreditation is managed by the Integrated Data Service’s (IDS) People & Project Services (PPS) - apply for an IDS account here. If you have any questions about accreditation, please email: Accredited.Researcher.Support@ons.gov.uk
Complete your EoI#
The EoI is a short form. You are asked to describe your proposed research project, indicate the data you would like to access and explain how your project might benefit the public. If you would like a preview of the EoI form please click here.
UK LLC aims to review all EoIs within a week. The key assessment criteria are:
All named researchers are UK-based
The proposed research is scientifically sound and in the public good
The requested data are available.
You may be offered a meeting to discuss your EoI.
If your EoI is approved, you will be able to start your full application - see the Submit your full application guide.