U.S., April 18 -- Digital marketplaces hold huge potential for procurement professionals. They provide an opportunity to compare and contrast price and stock levels from multiple suppliers all within a single platform.

The ease and transparency that this provides to users is something we've all become very comfortable with as everyday consumers. You only have to look at platforms like Money Supermarket or Skyscanner to see how simple it is to browse and research thousands of options in seconds.

As such, digital marketplaces are growing in popularity and number. This poses a few challenges for procurement, however.

Firstly, not all of them abide by the same standards. On the less regulated platforms, unknown suppliers that haven't been th...