“The pace of growth in the business has been a lot faster than people expected and so that’s a big part of what’s underpinning this new investment and valuation,” Glyman told TechCrunch. “Even in August, we’re experiencing what is shaping up to be the fastest percentage growth all year, if not ever.”  

https://techcrunch.com/2021/08/24/ramp-raises-300m-at-a-3-9b-valuation-makes-its-first-acquisition/