Top California Fintech Startups (461)

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.

SentiLink is the leading fraud intelligence company, providing financial institutions and fintechs with purpose-built solutions for identity verification and fraud prevention. Our products detect synthetic fraud, identity theft, and hard-to-detect first-party fraud in real time — helping partners stop losses before they happen while approving more legitimate customers. Founded in 2017 by Naftali Harris and Max Blumenfeld, creators of the risk...

Gynger is a cash flow management solution with embedded financing that gives B2B technology vendors the power to offer flexible payment terms to customers while securing up front payment. With Gynger, finance leaders can leverage a combination of actionable insights and capital to optimize day-to-day cash flows, accelerate deal flows, mitigate risk, and execute long term strategic vision with ease. In 2024,...

Traditional firms rely on interviews, retroactive documentation, and billable hours. Onshore applies AI at the point of substantiation, providing documentation tied directly to source data and pairing it with expert review. The result is defensible, audit-ready work delivered in weeks, not quarters. We help companies claim R&D Tax Credits, 179D Deductions, and Cost Segregation with proof, not process. 500+ companies have trusted Onshore...

Opto Investments (“Opto”) are engineering the future of private markets, offering the solution for wealth managers to efficiently build and manage differentiated private investment programs. Opto’s end-to-end technology solution dramatically streamlines building, fundraising for, and managing a bespoke private markets fund or program, allowing independent investment advisors, family offices, and private banks to scale their offerings without scaling their team. Founded by...

At January, we bring humanity to consumer finance. Using data intelligence, we create trust and deliver better outcomes for consumers and creditors alike. Our mission is simple: expand access to credit while empowering consumers to achieve lasting stability and control of their financial lives. We began by building the foundation for creditors to engage with and support their borrowers at scale...

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.

Proto is the leader for inclusive multilingual contact centre automation. Governments and businesses use Proto's AI Customer Experience (AICX) platform to ensure local language service, long-term operational efficiency, and citizen protection. Proto deployments are powered by its HermesAI™ engine for local and mixed languages.

CyberCube is a SaaS technology company, developing world-leading cyber risk analytics and modeling to help society understand the financial impact of cyber risk. We enable society to make better decisions about which digital risks to avoid, mitigate or insure as internet-connected technologies change the nature of risk in the 21st Century. CyberCube delivers world-class insight-driven analytics, built specifically for the insurance...

Atomic builds critical financial infrastructure that allows fintechs, banks, and consumer-facing companies to offer engaging investing experiences to their customers in a frictionless way. Investment advice is provided by Helium Advisors LLC, an SEC-registered Investment Adviser.

We’re the all-in-one app that puts more money in your pocket! We help our customers save big on hotels, access cash advances, get cash back on purchases, boost their credit score, earn money playing games, and more. The company is trusted by over 10 million customers, helping them save over $200M to date.

InterPayments is not a gateway or processor. We are for mid- and enterprise-size merchants who are dissatisfied with high credit card fees. Our surcharging technology works like your sales tax engine - but for card fees. Compliantly recover fees within your existing payment process without changing payment providers. We contractually guarantee compliance with the 67 jurisdictions that govern surcharging. Alternative surcharging...

Stem empowers artists and their teams to thrive while retaining full control over their music careers. Through a comprehensive distribution offering, including artist-development services and data-driven insights, Stem arms artists with the tools & resources needed to flourish creatively & commercially. Founded in 2015 by the visionary Co-Founder and C.E.O. Milana Rabkin Lewis, Stem’s mission is to revolutionize the way...

Your bank won't do this.

Securitize is a global fintech, Top 50 blockchain company, with a mission to provide investors with access to invest in and trade alternative assets, and for companies to raise capital and offer shareholder's liquidity. Securitize has pioneered a fully digital, regulatory compliant, end-to-end platform for issuing, managing and trading digital asset securities (also known as security tokens), with over 200...

Premium rewards payments products for those who want better financial services.

interface.ai is an AI leader specializing in Intelligent Virtual Assistants for the financial sector. By integrating its deep banking domain understanding with AI, interface.ai is transforming interactions between banks, credit unions, their customers, and employees, leading the charge into the era of Interactive Intelligence for Banking. Unveiling interface.ai's New Product Suite Powered By Generative AI: Discover Sphere for Customers - an industry-first,...

Numeral specializes in advanced financial automation solutions, designed for high-volume businesses. We streamline complex processes like revenue recognition and cash reconciliation, enhancing efficiency and accuracy. Our platform integrates seamlessly with existing systems, providing real-time insights and control over financial operations. Empowering finance teams with innovative technology, Numeral is the partner of choice for businesses seeking to elevate their financial strategy...

We are a leader in fraud prevention and AML compliance. Our platform uses device intelligence, behavior biometrics, machine learning, and AI to stop fraud before it happens. Today, over 300 banks, retailers, and fintechs worldwide use Sardine to stop identity fraud, payment fraud, account takeovers, and social engineering scams. We have raised $145M from world-class investors, including Andreessen Horowitz, Activant,...

Maverick Payments is a full-service payment processor with innovative technology designed for partners looking to monetize payments by reselling our white-labeled payments stack. Quickly go to market with minimal to no cost or risk - all with building your brand while leveraging our infrastructure. With our merchant acquiring services, proprietary gateway, ACH processing, fraud & chargeback tools, analytics, and other...