It's a logo representing an upwards rating trend. There are two "pages", stacked one above the other, with the bottom sheet stacked slightly to the right and under the top sheet, with a an arrow pointing up and to the right, with a small downward trend in the middle of the top sheet.
Related to Ratings Icon
Related icons are the icons with matching tags, as well as all business icons. All icons are in the same flat style. You can either download free PNG icons or buy SVG vectors