Been diving deep into payment infrastructure lately, and there's something interesting happening in the payfac companies space that doesn't get talked about enough. If you're building a platform that needs to handle payments for your merchants, you basically have two choices: spend 12-24 months and over a million dollars building it yourself, or partner with someone who's already solved this problem. Most ISVs are going with option two these days.

The shift makes sense when you look at the numbers. 91% of independent software vendors now expect embedded payments to be a major part of their growth strategy, which tells you where the market's heading. What's changed is that payfac companies have gotten really good at handling the heavy lifting - underwriting, compliance, card network relationships - while you focus on what you actually built.

Let me walk through some of the players I've been looking at. Finix caught my attention because they have direct connections to Amex, Discover, Mastercard, and Visa. No middlemen. Their Series C was $75 million led by Acrew Capital back in October 2024, and they've raised $208 million total. What's smart about their model is you can start with PayFac-as-a-Service and eventually transition to owning your own facilitation if you want. CEO Richie Serna made a point about Stripe holding only 6% of the US market and less than 2% globally - most payments still run through systems from the 1980s and 90s. That's a massive opportunity gap.

Tilled is another one that's worth paying attention to. They launched in 2019 from Boulder and have been growing like crazy - 550%+ year-over-year revenue growth. What I like about their approach is they're upfront about pricing. No hidden fees, and platforms keep most of the payment revenue. Merchant onboarding takes under 10 minutes for most applicants, which is genuinely fast. They also just partnered with KORT Payments in July 2025 to expand their infrastructure across the US and Canada.

Worldpay for Platforms (formerly Payrix) plays a different game - they're going after enterprises with complex needs. They process transactions for 75% of Mastercard PayFacs, which means they know the compliance requirements inside out. The white-label approach lets you keep your brand while they handle the underwriting and compliance nightmare. Real-time dashboards give you visibility into everything happening with your merchants.

Exact Payments is handling nearly a billion transactions annually. They work with Chase, Ordway, Cineplex, Allianz - serious volume. The processor-agnostic angle is huge because you're not locked into one processor. They integrate with Elavon, Fiserv, Global Payments, Chase Canada, Moneris. Got recognized as a Top 10 Payments ISV for 2024 by the Electronic Transactions Association. The modular API-first architecture means you can be operational in days instead of months.

Stax Connect has been processing $23 billion annually since 2014 and serves 39,000+ businesses. They just completed their full transition to a full-stack processor in October 2025 with their Stax Processing launch. Forrester did an economic impact study showing vertical software platforms can create an additional $900,000 revenue stream through embedded payments. The partnership options - referral, reseller, PayFac - give you flexibility in how much involvement you want.

VoPay is the outlier if you need cross-border capabilities. They support 140+ countries and launched Cross Border Payments-as-a-Service in April 2025. Through Mastercard Move integration, you can hit over 100 countries for transfers. They've got 250+ API endpoints and claim you can embed a full payment suite in 2 weeks. Open Banking data, digital pre-authorized debits, virtual accounts - all in one integration.

When you're actually choosing between payfac companies, a few things matter. Speed matters - Tilled does sub-10-minute onboarding, VoPay does 2-week implementations, Exact Payments handles it in days. Geographic reach varies - most focus on US and Canada, but Worldpay and VoPay go global. If you've got a strong dev team, API-first approaches from Exact, Tilled, and VoPay are the way to go. If not, Finix offers no-code options too.

The pricing conversation is different with each one. Tilled emphasizes transparency and letting platforms keep most revenue. Exact Payments ties pricing to your portfolio volume. You really need to talk to each provider based on your projected transaction volume.

What's compelling about the whole payfac companies ecosystem right now is that the embedded payments market keeps expanding. Platforms are finally treating payments as a revenue opportunity instead of a cost center. Building in-house is still possible if you have the capital and compliance expertise, but the ROI case for using these services keeps getting stronger. The market projections through 2034 suggest this trend isn't slowing down anytime soon.