Citizens used the regional-bank shock of 2023 to assemble a relationship bank for founders, fund partners and families with complicated balance sheets. By the end of 2025, the two-year-old unit held $14.5 billion in deposits and $10 billion in client wealth assets.
It began because two engineers couldn't collect money online for a side project. A decade later Razorpay moves an estimated $180 billion a year for millions of Indian businesses - and is walking toward the public markets.

They both automate accounts payable, but the resemblance ends there. One is built around the messy workflows of established industries; the other starts with the bank account of a funded startup.

Both fintechs offer fee-free business checking, but they are built for different moments. Mercury turns a startup's balance sheet into a finance stack; Novo helps an independent business turn daily work into organized cash flow.
Two bankers with 38 years between them walked out of a big bank in 2001, opened Venture Bank in a Bloomington office park, and spent the next 17 years signing up more than 5,000 Twin Cities companies - until Choice Financial bought the whole thing.

Flex is an AI-native private banking platform for high-net-worth, middle-market business owners. It bundles credit, business and personal banking, payments, AP automation, expense management, and ERP-style tooling into a single super app aimed at owner-operators of $3M-$100M revenue companies.

Mercury, Novo, Relay, Found and Bluevine sell a cleaner way to manage company cash. The more important comparison starts beneath the interface, with the bank holding the deposits, the sweep structure and the records that make FDIC coverage work.

Brex, Rho, Rippling Spend, Wise Business, and Arc overlap on paper. The useful choice begins with the workflow your company cannot afford to get wrong.
UNIFY began as a savings circle for airline employees. Seventy-eight years later, its merger with CommunityAmerica shows what happens when a workplace cooperative becomes a national banking network.
Vast Bank became a national curiosity by putting crypto beside checking. Its more durable proposition is quieter: a Tulsa bank that mixes modern tools with bankers who still answer the phone.
From two branches and $28 million in assets, Bank OZK built a $41.7 billion institution by pairing community banking with a national construction-lending machine. Now the Little Rock bank is trying to keep that edge while making its balance sheet less dependent on real estate.
CIBC has spent 159 years changing the interface between people and money. Its newest chapter connects 15 million clients, four banking businesses and an old institutional habit: make the bank meet people where they are.
Customers Bank grew from a troubled $200 million community lender into a nearly $26 billion national bank by choosing specialists over branches. Now it is testing whether real-time payments and AI can make relationship banking move at software speed.
Avenue Bank is Australia's first and only bank built exclusively around bank guarantees. Founded by the team behind credit bureau CreditorWatch and licensed by APRA as an authorised deposit-taking institution, the Sydney-based digital bank turns a paper-heavy process that once took four to six weeks into an online application of a few minutes with issuance inside 24 hours. It serves businesses that need to secure commercial leases, construction contracts and performance obligations, backing every guarantee 100% with cash while paying interest on the deposit.

Sourav Choraria is the co-founder and CEO of Infinity (YC W24), a Bengaluru business banking platform that helps cross-border SMBs and startups send and receive international payments with multi-currency accounts, flat fees, and no FX markup. He built it with his brother Sidharth after watching their family business lose money to slow, opaque international transfers. Before Infinity he was head of growth at Paytm Money, where he helped scale the wealth platform to 20 million monthly users and launched India's first fixed-deposit-backed credit card.
Lili is a New York-based financial technology company that runs an all-in-one business banking platform for small businesses. It bundles a fee-free business checking account with built-in accounting, expense management, invoicing, automated tax savings and high-yield savings - collapsing tools that owners would otherwise stitch together. Founded in 2018 by Lilac Bar David and Liran Zelkha, Lili started serving freelancers and solopreneurs and has since repositioned toward growing, multi-employee small businesses. Banking services are provided through partner bank Sunrise Banks, N.A., Member FDIC.
Everett Cook is the co-founder and CEO of Rho, a New York-based financial operations platform that combines business banking, corporate cards, payments, and expense management for growing companies. Before founding Rho in 2018 with Alex Wheldon, Cook spent roughly a decade in global macro investing, leading research at multi-billion-dollar funds and working in the orbit of figures like Steve Cohen and Michael Bloomberg. Raised in a New York finance family, he blends the discipline of a trader with an entrepreneurial streak that started at age 14, and has raised more than $200 million to build banking software for real, operating businesses rather than consumers.
Karat Financial is a Los Angeles-based fintech building banking, credit cards, and financial tools for the creator economy. Founded in 2019 by Eric Wei and Will Kim, Karat underwrites digital creators and influencers using their social metrics and online business performance rather than traditional credit signals, giving YouTubers, streamers, and other entrepreneurs access to credit, banking, payments, and AI-powered bookkeeping that legacy banks routinely deny them.
Rho is a New York-based financial technology company that bundles business banking, corporate cards, treasury, accounts payable automation, and expense management into a single fee-free platform. Built for startups, mid-market companies, and accounting firms, Rho positions itself as a 'financial operating system' that replaces the patchwork of legacy banks and disconnected finance tools that growing companies usually stitch together.
Found is a San Francisco-based financial technology company that bundles business banking, automated bookkeeping, and tax tools into a single platform for self-employed Americans. Founded in 2019 by ex-Square executives Lauren Myrick and Connor Dunn, Found pairs an FDIC-insured business checking account (via Lead Bank) with real-time tax estimates, automatic expense categorization, invoicing, and quarterly tax payments - aimed at the 64 million Americans who work for themselves.
Mercury is a San Francisco fintech that builds banking and financial software for startups and growth-stage companies. Through partner banks, it offers FDIC-insured checking and savings, corporate cards, treasury, venture debt, bill pay, and an API - aimed at founders who would rather not call a branch manager.

Hadi Solh is the Co-Founder of Flex, an AI-native finance super app for mid-market business owners, and Managing Partner at Atmos Ventures, a deep-technology venture capital firm. Drawing on 20+ years across Goldman Sachs, McKinsey, and Credit Suisse, he co-built Flex from a construction-industry credit card into a $490M+ funded platform processing $3B+ in annualized payments, serving business owners who power 40% of US payroll. Based in Dubai, he also sits on the boards of Oxford Ionics (quantum computing) and Nethone (cybersecurity).

Lauren Myrick is the CEO and Co-founder of Found, a San Francisco-based fintech company building the all-in-one financial platform for self-employed workers and small businesses. After eight years at Square - joining as the company's second product manager and eventually running Square Payroll as General Manager - she co-founded Found in 2019 alongside Connor Dunn. The company has raised $125M+ across six rounds (most recently a $50M Series C led by Sequoia Capital in 2024) and now serves 770,000+ small business owners with integrated banking, bookkeeping, invoicing, and tax tools.
Zaid Rahman is the founder and CEO of Flex, an AI-native private bank and finance super app targeting mid-market business owners with $3M-$100M in revenue. A Thiel Fellow who left Columbia University to build companies, he previously founded Volley (an AI knowledge startup backed by JPMorgan and Zuckerberg Ventures) and an EdTech platform that was acquired. Inspired by watching his father's Dubai construction business nearly collapse due to a payment default, he co-founded Flex in 2022 to build the all-in-one financial platform that mid-market owners never had. Flex has raised $490.5M in total funding, reached $3B in annualized TPV, and became the first US fintech to launch a Visa Infinite Business credit card.