Top California Fintech Startups (508)

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.

Scratch is a dynamic and innovative fintech company at the forefront of patient lending and payment processing, serving a network of over 17,000 veterinary 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.

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...

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 Revel, we are revolutionizing the way the world’s most critical hardware is controlled—across aerospace, automotive, energy, and manufacturing sectors. Our next-generation software stack combines an intuitive command/control interface, a specialized programming language tailored for hardware control, and a high-performance runtime environment. We empower engineers to build, test, and deploy critical systems rapidly, reliably, and safely.

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...

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.

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,...

Quanta is the accounting platform and full-service accounting teaQuanta combines an expert in-house accounting team with a modern general ledger to run your accounting end to end—from close and reconciliations to accruals, revenue recognition, and financial statements. When standard software falls short, our accounting and engineering teams build the integrations, schedules, and workflows your business requires. Quanta’s AI reporting layer turns that...

Sydecar is a frictionless deal execution platform for venture investors. Our platform handles back-office operations for venture investors, automating banking, compliance, contracts, and reporting so that customers can focus on making deals and building relationships. The opportunity in venture capital is greater than ever. But for aspiring investors, getting started can be intimidating, expensive, and time-consuming. We’re here to help! Sydecar makes...

AutoFi is a financial technology company transforming the way cars are bought and sold. The company's FinTech platform enables auto dealers to thrive in the new digital-first economy. Dealers complete sales in a fast, easy, transparent process through AutoFi no matter where or how the sale begins — online or in the dealership. The AutoFi network of lenders includes trusted...

Teak is a Phoenix-based technology company specializing in solutions that enable consumer flexibility for businesses in the experience economy. The company helps businesses transform refunds from a cost-intensive operational burden into a revenue-generating differentiator through easy-to-embed, full-service solutions, such as Smart Refunds and Friendly Insurance, which are designed to maximize revenue, reduce operational costs, and give consumers the confidence to...

MileIQ provides automatic mileage tracking for deductions and expenses. Whether you're a self-employed worker looking for a mileage deduction or a large company that wants to get a handle on mileage expenses reports, MileIQ is automatic, easy and accurate. MileIQ is mileage tracking the way you need it to work. We’d love to hear from you: • Website: http://www.mileiq.com • Twitter: twitter.com/mileiq •...

Halliday is a blockchain company and product lab working to create a unified, cross-chain payments ecosystem. Its flagship product, Halliday Payments, is a unified payments platform that makes it easy for users to onramp, swap, and take other onchain actions. Halliday’s products are built on the Workflow Protocol, which removes the need to code smart contracts by hand and enables...

MerQube is an innovative fintech firm, leading the development of cutting edge technology for indexing and rules-based investing. MerQube offers design and calculation solutions for complex rules-based strategies. Launched in 2019 in New York and San Francisco by a team of index industry veterans and technology experts, MerQube was created to provide technology focused alternative. MerQube designs and calculates a wide...

StartEngine is the premier equity crowdfunding platform in the U.S., connecting people and aspiring investors with tomorrow’s progressive companies. StartEngine aims to revolutionize the startup business model by helping individuals invest in private companies on a public platform for the first time in history.

Making construction safe and sustainable through innovative insurance products

Our mission is to facilitate your journey into Bitcoin, the future of money. Protect your wealth with savings plans, instant buys from $10 to $10M+, Private Client services for HNWI’s, Retirement Planning, Advisor Services, and Swan for Businesses

Blogic Systems provides comprehensive point-of-sale (POS) and payment processing solutions tailored for various businesses, including restaurants, cafes, retail stores, salons, and grocery stores. Founded in 2010, the company offers hybrid, cloud-based, and offline POS systems designed to simplify management, provide real-time data access, and improve operational efficiency through user-friendly software and high-performance hardware.

Alabama Ag Credit, headquartered in Montgomery, Alabama, provides short- and long-term loans for farms, timber and forestry operations, agribusinesses, recreational land and other rural property in the lower 40 Alabama counties. The financing co-op operates offices in Demopolis, Dothan, Enterprise, Montgomery, Monroeville, Opelika, Selma, Spanish Fort and Tuscaloosa. The association is a member-owned, locally controlled cooperative that is part of the...