I wouldn't assume that any SaaS requires the big 4 to be their customers to qualify for a high evaluation. Users are used to search that's incredibly smart than

I wouldn't assume that any SaaS requires the big 4 to be their customers to qualify for a high evaluation. Users are used to search that's incredibly smart thanks to Google and it is an extreme technical challenge to roll your own smart search. Many mid size and small companies would save tons of money by buying it from someone else.