Crunchbase is a (relatively) cheap product for this kind of research.
I'd suggest talking to other vc-funded fintech founders who've raised at your stage in the last couple of years, especially for products that sit in parallel spaces to yours. They'll know who the relevant fintech investors are because they'll have spoken to many of them.
Thanks ig1. I was initially looking into crunchbase but upon further research, it seemed like Pitchbook was a lot more accurate. Do you have an opinion on Crunchbase? Is it that bad, or just not as good as pitchbook but worth it still?
I'd suggest talking to other vc-funded fintech founders who've raised at your stage in the last couple of years, especially for products that sit in parallel spaces to yours. They'll know who the relevant fintech investors are because they'll have spoken to many of them.