Top 10 US Buy Now, Pay Later (BNPL) Companies in 2025 — Ranked & Reviewed

The buy now, pay later revolution is reshaping how Americans shop — and competition to dominate this space has never been fiercer. In 2025, the BNPL market reached $75 billion in transaction volume, with 45% of Americans using at least one service. But as regulatory pressure mounts and the market consolidates, clear winners are emerging while others struggle to adapt. New CFPB regulations in 2025-2026 require BNPL providers to report to credit bureaus and comply with credit card laws, forcing a seismic shift from zero-interest checkout gimmicks toward sustainable, profitable products. Klarna's blockbuster $6.7 billion IPO and Affirm's expansion into healthcare finance prove the sector is maturing fast. Discover which top 10 BNPL companies are leading this transformation — and which fintech darlings are losing traction as the industry grows up.