Best Banking-as-a-Service Platforms in 2026: Embedded Finance Compared

Best for: Marketplaces and software platforms on Stripe Connect that want to offer stored balances, payouts and cards to connected accounts.

• Settled Stripe earnings land directly in financial accounts, removing a payout step for sellers.
• Docs explain DDA-backed versus FBO-backed accounts and how FDIC pass-through insurance applies.
• Treasury for platforms is in public preview only in the UK and private preview elsewhere, so availability and terms can change.

Our take: Stripe Treasury, documented under financial accounts, is the natural first look for platforms already processing payments on Stripe Connect. Connected accounts can hold funds, pay others, transfer to their own accounts and spend with cards that draw on their balance, and Stripe supplies prebuilt embedded components for dashboards, transaction history and bill pay. Stripe is clear that it is not a bank: US checking accounts are held at Fifth Third Bank, N.A., and its docs explain the difference between direct deposit accounts and FBO accounts for FDIC purposes, which is exactly the question regulators now ask. The limitation is maturity and scope. Treasury for platforms is in public preview in the UK and private preview in the US and much of the EU, and access goes through sales. In evaluation, confirm which features are generally available in your market and what fees apply. Compared with Unit or Swan, Stripe offers less program customization but much faster setup for existing Stripe platforms.

Best for: European SaaS and fintech companies that want white-label business accounts, IBANs and card programs under a licensed EU provider.

• One of the few BaaS providers that publishes a starting price for production use.
• Partners include Agicap, Pennylane and Lucca, and Swan reports more than 1 million cards issued.
• The EUR 2,990 monthly starting price is significant for very early-stage startups, and Swan does not serve US accounts.

Our take: Swan gives European software companies a fast path to embedded accounts and cards. You build in a free, unlimited sandbox, then launch on Swan on demand from EUR 2,990 per month or negotiate Enterprise terms with interchange revenue sharing and custom physical cards. Swan holds its own French e-money license, so the regulated entity and the technology provider are the same company, and client funds are safeguarded at BNP Paribas. That structure avoids one of the middleware risks highlighted by the Synapse case, where the program manager and the bank kept separate records. Products include business accounts with local IBANs in five countries, SEPA and international transfers, payment acceptance, and expense and employee benefit card programs. In evaluation, ask about onboarding responsibilities for KYB, which fees are passed to end users and how interchange is shared. Compared with Solaris, Swan is narrower but more transparent on price; compared with US platforms, it suits European customer bases.

Best for: US software platforms and fintechs that want accounts, cards, payments and credit with compliance and program management handled for them.

• Managed Solutions let you embed banking or bill pay with prebuilt components rather than building from APIs.
• Unit reports $100B+ annual transaction volume and 5M+ accounts, with SOC 2 Type 2 and PCI DSS.
• Pricing is not published and partner banks are not named on the homepage, so you will need detailed due diligence during sales.

Our take: Unit offers two routes: a platform of APIs and building blocks for teams that want full control, and managed solutions that embed finished banking or bill pay experiences with minimal code. Either way, Unit provides program management, including compliance, fraud, disputes and reconciliation, which is the part that most often overwhelms a software company new to financial services. Products cover deposit accounts and FBO wallets, ACH, wires, checks, real-time and cross-border payments, debit, charge and credit cards, and capital products through a credit partner. Customers include Relay, FreshBooks, HoneyBook and Wix. Unit is not a bank, and the homepage does not name its partner banks. In diligence, ask which bank will hold your users' funds, how the ledger reconciles with the bank daily, and what happens to end-user funds if the relationship ends. Compared with Treasury Prime, Unit takes more operational work off your plate; compared with Column, it adds a program-management layer between you and the bank.

Best for: US fintechs that want to be matched with a sponsor bank and keep the option to move banks without rebuilding their integration.

• One marketplace submission is reviewed by multiple banks against their risk appetite.
• If a sponsor bank's appetite changes, a program can move to another bank in the network without leaving the platform.
• Being matched with a bank is not guaranteed, and fintechs must meet each bank's compliance expectations directly.

Our take: Treasury Prime has shifted toward a marketplace model that serves both sides of the sponsor-bank relationship. Banks use its ledger, payments, oversight and reconciliation tools to run fintech programs, while fintechs submit once and are matched with banks in a network of more than 20 partners holding over $1.1 trillion in combined assets. That bank-choice model addresses a risk that became painful after 2024: when a sponsor bank exits fintech or tightens its appetite, programs can be forced to migrate. Treasury Prime says programs can move to another bank in the network without leaving the platform. It reports over 4 million active accounts and more than $170 billion in annualized payments volume. In evaluation, ask how long bank review takes, which compliance functions you must staff yourself, and what a migration between banks involves in practice. Compared with Unit, you deal more directly with the bank; compared with Column, you get choice across many banks.

Best for: European brands and platforms that need a fully licensed bank for accounts, cards, payments and lending under their own brand.

• A full bank license allows lending products, including overdrafts, consumer loans and installments.
• Partner logos include Samsung, ADAC and Bitpanda across SaaS, travel, mobility and financial services.
• Solaris is built for large partner programs, so smaller companies may find onboarding and commercial minimums heavy.

Our take: Solaris is a German technology company with a full banking license, which lets it act as the regulated bank behind partner brands across the EU. Partners can offer branded checking and savings accounts with local or virtual IBANs, KYC and KYB identification, debit, prepaid and credit cards, SEPA transfers including instant payments, and lending products such as overdrafts, consumer loans and BNPL installments. Because Solaris is the bank, there is no separate middleware layer between the API provider and the license holder. That structure appeals to large brands in mobility, travel, SaaS and wealth management. Pricing is not published, and partnerships are negotiated. In due diligence, review Solaris's current financial position and regulatory standing directly, ask for references from partners similar in size to you, and confirm onboarding timelines. Compared with Swan, Solaris offers lending and a bank license; compared with US platforms, it serves European customers only.

Best for: Fintechs, lenders and payment companies with strong engineering and compliance teams that want to work directly with a chartered bank.

• One account can carry many account numbers, useful for FBO and subledger designs.
• Card programs can use Column's balance sheet or your own, and Column offers warehouse and forward flow lending facilities.
• Column expects technically capable customers, so companies without in-house compliance and engineering will find managed platforms easier.

Our take: Column is a nationally chartered bank built for developers, so there is no BaaS middleware between your product and the license holder. You integrate directly with the bank's APIs for accounts, including FBO, sweep and subledger structures, ACH, domestic and Swift wires, real-time payments, checks, card programs and loan origination or purchase. That directness is the main attraction after the Synapse failure showed what can happen when a middleware ledger and bank records diverge. It also means you carry more of the program build: KYC and KYB flows, customer support, disputes and the compliance program the bank will expect. Pricing is not published. In evaluation, ask about compliance expectations, required staffing, onboarding timeline and how sandbox access is granted. Compared with Unit, Column gives you a direct bank relationship but less program management; compared with Treasury Prime, you commit to one bank rather than a network, which simplifies records but removes bank choice.