How do I add my ISTQB certification to LinkedIn? When you get your ISTQB certification through ASTQB, it’s easy to add it to your LinkedIn profile thanks to our official ISTQB exam provider AT*SQA. Simply go to your account at AT*SQA, and choose My Certificates. With just a click, you can add your certification credentials to your LinkedIn account. See the example below. It’s easy, and it’s free! It’s one more reason you should always take your ISTQB certifications through ASTQB and our official ISTQB exam provider AT*SQA.