Who Must Apply for ATAS
If you are applying for asylum in the UK, you must also apply for an ATAS certificate for any course or employment that requires one.
Application Process and Timing
We also review any previous ATAS applications and other relevant documents.
Visiting Researchers can apply for a Standard Visitor visa before you get an ATAS certificate, however, you will need to obtain an ATAS certificate before starting any research activity in the UK.
If ATAS is a requirement or a condition of your UK visa and you are joining a joint research programme that is jointly awarded or delivered at more than one HEI or Research Institution, you should submit one ATAS application form but list all institutions on the form.
Submitting Your ATAS Certificate
Upload your ATAS certificate as part of your visa application documents.

Related reading
FAQ
Q1: Do I need an ATAS certificate if I am applying for asylum in the UK?
Yes, if you are applying for asylum in the UK, you must also apply for an ATAS certificate for any course or employment that requires one.
Q2: Can I apply for a visa before I receive my ATAS certificate?
Visiting Researchers can apply for a Standard Visitor visa before you get an ATAS certificate, however, you will need to obtain an ATAS certificate before starting any research activity in the UK.