Built100
← Back
Fintech

Top 20 in Fintech

Money, payments & banking. Ranked by momentum and refreshed weekly.

#
Company
This week
1
Stripe#1 in Fintech
Payments infrastructure and APIs for businesses
Fintech·Late-stage·South San Francisco, California
▼ 2Peak #1 · 21 wks
2
Ramp
Corporate cards and spend-management automation
Fintech·Late-stage·New York, New York
▲ 4Peak #4 · 21 wks
3
Kalshi
Regulated event-contract prediction market exchange
Fintech·Series E·New York, New York
▲ 53Peak #14 · 12 wks
4
Mercury
Business banking platform for startups and SMBs
Fintech·Late-stage·San Francisco, California
▲ 1Peak #13 · 11 wks
5
Tabby
Buy-now-pay-later leader across the Middle East
Fintech·Late-stage·Riyadh, Riyadh Province
▲ 1Peak #14 · 19 wks
6
Polymarket
Crypto-based prediction market for real-world events
Fintech·Late-stage·New York, New York
▲ 63Peak #30 · 9 wks
7
Bilt
Rewards and loyalty on rent and housing payments
Fintech·Late-stage·New York, New York
▼ 2Peak #52 · 3 wks
8
Tabs
AI revenue recognition and billing automation
Fintech·Series B·New York, New York
▼ 8Peak #55 · 9 wks
9
Rain
Stablecoin card-issuing and payments infrastructure
Fintech·Series C·New York, New York
▼ 23Peak #65 · 22 wks
10
Numeral
Automated sales-tax compliance for online businesses
Fintech·Series A·San Francisco, California
▲ 37Peak #85 · 19 wks
11
Pomelo
Neobank and remittances for immigrant families
Fintech·Series B·Washington, District of Columbia
▼ 26Peak #72 · 23 wks
12
Plaid
Bank-account data connectivity for fintech apps
Fintech·Late-stage·San Francisco, California
▼ 99Peak #15 · 4 wks
13
Puzzle
AI-native accounting software built for startups
Fintech·Series B·Wilmington, Delaware
▼ 45Peak #73 · 10 wks