What information which you need to provide to apply an IT Tech role

Recently i received some offers from head hunter or job agency, they are offering a job for their client, and before they submit your CV to the end user, they will need to collect these information below:

Total Experience 

Current role

Current Company
Current Location
Nationality
Current Salary
Expected Salary
Notice Period
Best Contact Number to reach you
Reason for job change
Any job offers in hand
Interview Availability 

Then you need to attach your CV, certificates, reference letter and other related documents.