BaaS Cost Calculator
Estimate costs and ROI for implementing Banking as a Service (BaaS) for your business. Based on industry data from McKinsey, Juniper Research, and real-world BaaS provider pricing.
Results
BaaS vs. Building In-House
Based on McKinsey data and industry benchmarks:
BaaS Implementation
- Time to market: 6-9 months
- Startup costs: $20,000-$250,000
- Ongoing costs: $0.50-$2.00 per account + 15-25% transaction fee
- Compliance handled by provider
Building in-House
- Time to market: 3-5 years
- Startup costs: $50 million+
- Ongoing costs: $1-2 million/year for compliance team
- Full compliance responsibility
Imagine you’re using a rideshare app, and right inside the app, you can get paid instantly when you finish a shift. No waiting for bank transfers. No need to link your checking account. Just tap a button, and your earnings show up in a digital wallet that works like a real bank account-insured, spendable, even able to pay bills. This isn’t science fiction. It’s BaaS-Banking as a Service-in action.
What Is BaaS, Really?
BaaS isn’t a new bank. It’s not a fintech app either. It’s the invisible plumbing behind the scenes that lets companies like Uber, Shopify, or even a fitness app offer real banking features without ever becoming a bank themselves. Licensed banks handle the regulation, compliance, and money holding. Third-party companies use APIs to plug those services into their own apps.
Think of it like this: A restaurant doesn’t bake its own flour. It buys it from a supplier. BaaS is the flour supplier for financial services. Companies like Treasury Prime, Starling Bank, and Unit give developers access to account creation, payments, KYC checks, and even lending-all through clean, standardized APIs. The company using the API focuses on the user experience. The bank handles the legal mess.
Top Use Cases for BaaS Today
BaaS isn’t just for big tech. It’s reshaping how everyday businesses interact with money. Here are the most common and powerful applications right now:
- Payroll and Earnings Access - Companies like Even and PayActiv use BaaS to let gig workers withdraw their earnings before payday. Uber drivers in the U.S. get paid through partnerships with Barclays and Green Dot, thanks to BaaS infrastructure. No more waiting 3-5 days for a bank transfer.
- Embedded Lending - Shopify merchants can apply for a business loan right inside their dashboard. Tuum’s platform powers this for over 200 fintechs. Loan approvals happen in minutes, not weeks, because the underlying bank handles underwriting and funding.
- High-Yield Savings for Businesses - Mayfair, a B2B fintech, launched automated high-yield savings accounts for small businesses using Treasury Prime and Third Coast Bank. Customers get FDIC insurance up to $2.5 million through sweep accounts-something no SaaS platform could do alone.
- International Payments for Marketplaces - Platforms like Etsy and Airbnb use BaaS to pay freelancers and hosts in their local currency. Revolut and Wise rely on BaaS partners to move money across borders without traditional SWIFT delays or fees.
- Neobanks Without a Charter - Chime, Varo, and Current don’t hold banking licenses. They partner with The Bancorp Bank and Stride Bank. Every dollar you deposit is insured by the FDIC, but you never see the bank’s name. That’s BaaS in pure form.
Why BaaS Is Growing So Fast
The global BaaS market hit $1.12 trillion in transaction value in 2022. By 2027, Juniper Research predicts it’ll hit $3.35 trillion. Why? Because consumers want banking where they already are.
People don’t open apps to check their balance. They check it inside their grocery app, their payroll system, or their investment dashboard. Businesses that embed financial services see 3x higher customer retention and 2.5x more transaction volume, according to McKinsey’s 2023 analysis.
For companies, BaaS cuts years off product development. Building a banking system from scratch takes $50 million, 5+ years, and a team of compliance lawyers. With BaaS, you can launch a savings product in under six months. Treasury Prime’s clients report 68% faster time-to-market compared to traditional banking infrastructure.
The Hidden Costs and Risks
BaaS sounds easy. But it’s not.
Developer surveys from BerkeleyPayment.com show it takes 6-9 months and 3-5 engineers to integrate BaaS properly. Many startups are shocked when they realize the hidden costs: regulatory mapping across 47 different jurisdictions, reconciliation errors during peak transaction times, and opaque fee structures that add 18-22% to projected costs.
Starling Bank charges £20,000 a year just to start, plus £0.50 per account opened. Treasury Prime takes 15-25% of transaction fees. Some providers don’t disclose pricing until after you sign up. A verified review from a Fintech CEO on Trustpilot called it “a cost surprise you didn’t budget for.”
Then there’s regulation. The FDIC found that 62% of BaaS partnerships had poor fee disclosure or unclear dispute processes. In 2022, an Uber driver sued in California, claiming he didn’t know his earnings were held by Green Dot, not Uber. Courts are starting to hold platform companies accountable for the banking services they embed.
And compliance isn’t static. The EU’s Digital Operational Resilience Act (DORA) kicks in January 2025. BaaS providers must now prove they can survive cyberattacks and system failures. Smaller providers without deep pockets are getting squeezed out.
Who’s Winning and Who’s Struggling
The BaaS market has three layers:
- Banking Providers - LHV Bank, Starling Bank, FinWise Bancorp. These are licensed institutions that hold the actual bank charter.
- Infrastructure Platforms - Treasury Prime, Unit, Tuum. They build the API layer on top of banks. They’re the ones developers actually code against.
- Full-Stack Fintechs - Revolut, Chime, Current. They use BaaS to offer branded services without a charter.
Tuum leads in SME lending with a 4.7/5 score from Aite-Novarica. Starling Bank has the best developer documentation, rated 4.5/5 on Stack Overflow. But Unit stands out for support-24/7, 15-minute SLA response. That’s rare in fintech.
On the flip side, smaller BaaS providers often lack enterprise-grade support. One developer on Reddit complained about inconsistent webhooks causing reconciliation nightmares. Another said their provider’s API docs were “outdated and full of dead links.”
The Future: AI, Cross-Border, and Regulation
BaaS is evolving fast. Here’s what’s next:
- AI-Driven Lending - Tuum’s Q3 2023 update uses machine learning to assess SME credit risk in real time, reducing approval times to under 10 minutes.
- ISO 20022 Payments - Cross-border transactions are shifting to this new global standard. BaaS providers are upgrading to support faster, richer data payments.
- RegTech Integration - 87% of BaaS platforms are now building automated compliance tools. Think AI that flags suspicious transactions or auto-updates KYC rules when a new state law passes.
But the biggest threat isn’t tech-it’s regulation. The Bank of England warned in March 2023 that uncontrolled BaaS growth could create “systemic risks” through opaque layers of financial intermediation. If one BaaS provider fails, it could take down dozens of apps that rely on it.
That’s why Treasury Prime bought FinWise Bancorp in July 2023. They’re becoming a bank themselves to control the risk. Others will follow.
Should You Use BaaS?
If you’re a startup building a financial product, BaaS is the fastest path to market. But don’t be fooled by “plug-and-play” marketing. You need:
- A compliance team (or a partner who handles it)
- Clear disclosure to users about who holds their money
- Buffer for unexpected fees and integration delays
- A plan for regulatory changes in every country you operate
For consumers? BaaS is already here. Your paycheck, your savings account, your business loan-chances are, they’re powered by a bank you’ve never heard of. And that’s not a bug. It’s the future of finance: invisible, seamless, and embedded everywhere you already are.
Is BaaS the same as embedded finance?
Yes, BaaS is the technical backbone of embedded finance. Embedded finance is the user experience-like paying for a ride inside an app. BaaS is the infrastructure that makes it possible: APIs, banking licenses, compliance systems, and payment rails. You can’t have embedded finance without BaaS.
Can any company use BaaS?
Technically, yes-but not everyone should. BaaS works best for companies with a large user base, clear financial use cases, and the resources to handle compliance. A small e-commerce store selling handmade candles probably doesn’t need it. A SaaS platform with 500,000 small business users? That’s where BaaS shines.
Do I need a banking license to use BaaS?
No. That’s the whole point. BaaS lets you offer banking services without a license. The partner bank holds the license and takes on the regulatory responsibility. You focus on your app, their team handles FDIC insurance, AML checks, and reporting.
What’s the biggest mistake companies make with BaaS?
Underestimating compliance costs and ignoring user transparency. Many companies assume BaaS means “set it and forget it.” But if users don’t know who holds their money, or if fees aren’t clearly disclosed, they’ll sue you. The Uber driver case in California is a warning.
How long does BaaS integration really take?
Vendors promise weeks. Reality? 6-9 months. You need developers who understand financial APIs, compliance requirements, and reconciliation logic. Most teams underestimate the time spent on testing, debugging, and mapping regulations across states or countries.
Is BaaS safe for my customers’ money?
Yes-if the partner bank is FDIC-insured (in the U.S.) or covered by equivalent protections elsewhere. Chime, Current, and Varo accounts are FDIC-insured because they use partner banks like The Bancorp Bank. Always check who the underlying bank is. If the company doesn’t say, that’s a red flag.
Next Steps for Businesses
If you’re considering BaaS:
- Identify your use case: Is it payments? Savings? Lending? Don’t try to do everything at once.
- Compare providers: Look beyond pricing. Check support SLAs, documentation quality, and regulatory coverage.
- Start small: Pilot with one feature. Test with 1,000 users before scaling.
- Document everything: Make sure users know who holds their money, how fees work, and how to get help.
- Plan for regulation: Stay updated on DORA, state-by-state banking laws, and cross-border rules.
BaaS isn’t going away. It’s becoming the default way money moves. The companies that win won’t be the ones with the fanciest apps. They’ll be the ones who understand the plumbing-and respect the rules that keep it safe.
Brian Bernfeld
November 26 2025I've integrated BaaS into three fintech products and let me tell you-it's not plug-and-play, it's plug-and-pray. The first time our reconciliation system blew up during tax season because of a delayed webhook from Treasury Prime, I nearly quit the industry. But once you get past the 6-month nightmare of mapping state-by-state banking regs, it's magic. Customers love instant payouts. Our churn dropped 40%. Just make sure your legal team drinks coffee before signing any API contract.