Top St. Louis, MO Fintech Startups (3,356)

Our technology makes it easy for companies—from fast-growing startups to global fintechs—to integrate stablecoins into their products, platforms, and payment flows. Whether they’re launching a credit card program, enabling cross-border payments, or embedding wallets, Rain builds the tools to do it fast, flexibly, and compliantly. We’re built for the next generation of global finance. Our infrastructure combines the stability of trusted...

At Kensho, we leverage S&P Global’s world class data to research, develop and implement leading AI and machine learning capabilities that drive fact-based, objective decision making. Data is at the heart of Kensho, and it’s our technology. We build and deploy solutions that make that data accessible, insightful, relevant and transformative.

Moov is a payments infrastructure platform making it easy to accept, store, send, and spend money all from a single, elegantly-designed API. Instead of stitching together multiple vendors, software companies simply add Moov to their products to get the latest in payment technology, user onboarding, licensing, compliance, and more.

Flourish provides innovative access to financial products that help advisors secure their clients’ financial futures. We work with over 900 wealth management firms that collectively represent more than $1.6 trillion in assets under management across two products: Flourish Annuities and Flourish Cash — with additional exciting products in the works. Headquartered in New York City, we are an independent subsidiary...

Current is a U.S. based consumer fintech and payments platform with over four million members and a mission to improve financial outcomes. It provides mobile banking services that give its members access to opportunities to improve their financial lives, such as paychecks up to two days early, up to 4% APY, fee-free overdraft, money management tools and insights, fee-free ATMs,...

By providing one unified platform where FI's can manage the end-to-end customer journey, Narmi securely drives primacy, customer growth, and efficiency. We unlock the very latest solutions in account opening and digital banking to allow our customers to reach their goals. Since our founding, Narmi has moved billions of dollars and opened hundreds of thousands of accounts for banks and...

IEX (IEX Group, Inc.) is an exchange operator and technology company dedicated to innovating for performance in capital markets. Founded in 2012, IEX launched a new kind of securities exchange in 2016 that combines a transparent business model and unique architecture designed to protect investors. Today, IEX applies its proprietary technology and experience to drive performance across asset classes, serve...

Hiro is a company that creates developer tools for Stacks, a network that enables apps and smart contracts for Bitcoin. As a core entity within the Stacks Ecosystem, Hiro works alongside various independent entities, developers, and community members to establish a user-owned internet on Bitcoin. Hiro provides developers with the tools to innovate and build on Bitcoin in ways previously...

A pioneer in financial and government technology, ClassWallet's technology is used by public agencies across 35 states to maximize the positive impact of public funding on people’s lives. Since 2014, the ClassWallet platform has been used to deliver more than $4 billion in public funds to millions of citizens, and has helped clients achieve the highest standards of program integrity...

Our all-in-one rental ecosystem establishes airtight trust between property managers and residents, unlocking a fast and fair experience for all. We build advanced tools and intuitive experiences to serve all sides of the rental equation: helping property managers grow their communities safely, and simplifying the path home for renters all across the US.

Bectran is an industry-leading SaaS platform which has grown rapidly to become the companion toolkit for the Credit Department just as a CRM is for the Sales Department. Recognized as a top innovator in the credit software industry, Bectran has been described by credit professionals as "the future of the credit department."​

Scratch is a dynamic and innovative fintech company at the forefront of patient lending and payment processing, serving a network of over 15,000 healthcare practices across the United States and Canada. Our mission is to revolutionize the veterinary financial experience, ensuring pet parents have seamless access to the treatments they need without the burden of financial stress.

inKind's mission is to support the success of independent restaurants and hospitality groups by providing funding and enriching customers' dining experiences with the inKind platform. At inKind, we believe restaurants are integral parts of our communities, and recognize the economic realities of being a successful operator. To better support hospitality ventures, we created a unique funding model that focuses on...

Homebot is a Homeownership Platform for Lenders, Real Estate & Insurance Agents that drives client retention and referrals. Homebot’s “special sauce” is that it helps homeowners and homebuyers (aka: our customer’s clients) to build wealth through homeownership. Our customers include Mortgage Lenders, Real Estate Agents, Banks, Credit Unions, Loan Servicers, Insurance agencies and Title Companies.

YCharts was founded in 2009 to democratize investment research. As we build an increasingly powerful and intuitive tool that our clients use daily, we might be outgrowing our name—but not our mission. From humble beginnings, YCharts has grown to become an all-in-one platform for investment research and client communication. Our guiding principle has always been to create software that elevates and...

A technology-driven asset manager and registered investment advisor delivering personalized investment solutions that are tailored to reflect individual sustainability and financial priorities. Headquartered in New York City, our growing team brings a diverse set of backgrounds and experiences. Together, we are on a mission to help create a future where all investing is sustainable investing.

We’re a team of bold thinkers, innovators, and real estate enthusiasts who believe complex processes should feel simple. Our platform combines modern technology with expert services, helping our customers raise more capital, deliver a better investor experience, and scale their businesses smarter. Agora is backed by top-tier VCs like Insight Partners and Qumra Capital, and we’re growing fast. We’ve been named...

NinjaHoldings was founded in 2017 by a team seeking to revolutionize the way everyday Americans interact with financial services. Through our CreditNinja and NinjaCard brands, we empower people overlooked by traditional financial institutions to take control of their finances via a full suite of digital banking and lending products, providing incentives and rewards along the way as we guide them...

Addition Wealth is a holistic personal finance platform that empowers employees to make smart, informed financial decisions. By taking a tech-forward approach that combines digital tools, community events, expert content, and access to financial professionals, Addition is making personalized financial expertise inclusive and accessible for all employees. Addition partners with forward-thinking employers to help employees make the most of their...

Amplify’s cloud-based, integrated platform is purpose-built for financial advisors and firms ready to leave inefficiency behind. From onboarding and trading to compliance and reporting, Amplify brings the tools you need together in one scalable, seamless solution—so you can focus on growing your business. Our platform doesn’t just simplify tasks—it transforms how you work. By connecting and integrating data from multiple systems...