If you’ve recently been asked to register on ISNetworld®, Avetta®, or Veriforce® before starting work with a new client, you’ve already encountered vendor prequalification, even if no one used that term.
Vendor prequalification is one of the most common requirements contractors face today, yet many don’t fully understand what it involves, why clients use it, or what it means for their ability to win and keep work. Here’s a straightforward breakdown of what you need to know, whether you’re a contractor being asked to comply or a hiring client looking to understand the process better.



