There are hundreds of PE firms that are interested in buying SaaS search-funded business. It's important to match your business with their profile. Each fund has their own profile of ARR range (can be 5-20, 10-50M) looking, the growth / EBITDA profile looking for (some want at least 30% growth but only want break-even, others want 10% ), and check characteristics (minority or majority position, primary or primary/secondary capital). I know a number of PE folks focused on SaaS so if you need any help DM or [redacted]

And if just curious on some of the names - I like this list of 40 Under 40 Growth equity investors - you can start with the investor name and then go research their funds on their websites - https://growthcapadvisory.com/growthcaps-top-40-under-40-growth-investors-of-2019/