Series C Fintech companies in San Francisco

Companies modernising banking, payments, lending, and financial infrastructure. Filtered to Series C-stage companies headquartered in San Francisco.

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Ranked by current headcount across Series C Fintech companies in San Francisco. Refreshed monthly.

1
VGS· San Francisco, California, United States
Founded in 2015, VGS is the world's leader in payment tokenization and a trusted credential management platform, depended on by Fortune 500 companies, merchants, fintechs, and banks alike. Our mission is to revolutionize the way sensitive data is stored and secured, enabling organizations to manage information across cards, bank accounts, and digital wallets with ease.VGS stores sensitive data and tackles critical payment acceptance challenges such as multi-PSP management, card issuance, payment orchestration enablement, PCI compliance, and the protection of personally identifiable information (PII). We provide our clients with complete ownership, control, and insights into their payment data, driving growth and enhancing user experiences across industries.VGS offers a comprehensive suite of solutions, including a composable Card Management Platform, a PCI-compliant Vault, and advanced network value-added services such as Network Tokens, Account Updater, and Card Attributes. Our innovative technologies empower businesses to boost revenue through higher authorization rates, reduce fraud, and streamline operations—all while seamlessly integrating with existing tech stacks.At VGS, we're not just securing payments—we're empowering businesses to unlock new possibilities in the ever-evolving payment landscape.
- Series C
- 500 employees
- Founded 2015
2
WeTravel· San Francisco, California, United States
You got into your profession to create life-changing experiences.Instead, you're spending time and money on a stack of tools that don't talk to each other. And, frankly, don't work for you.From first inquiry to final payout, WeTravel's one platform handles it all. Built for you to grow your bookings, not your workload.
- Series C
- 396 employees
- Founded 2016
3
Sardine· San Francisco, California, United States
Sardine is the leading agentic risk platform to fight financial crime. Our integrated suite of fraud and AML solutions unifies data across risk teams to detect fraud in real-time and streamline AML operations. Companies including FIS, GoDaddy, Deel, Checkout, and Brex rely on Sardine to secure and grow trust in their products. Learn more at sardine.ai.
- Series C
- 382 employees
- Founded 2020
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4
Finix· San Francisco, California, United States
Finix is a payment processor that makes it easy for software platforms, marketplaces, and individual businesses of all sizes to accept payments and send money while maximizing revenue and reducing costs.Finix is trusted by startups and publicly traded companies alike to build and scale their payments infrastructure. Headquartered in San Francisco, Finix is a privately held company with funding from American Express Ventures, Bain Capital Ventures, Homebrew, Inspired Capital, Lightspeed Venture Partners, Sequoia Capital, Visa, and more.
- Series C
- 370 employees
- Founded 2015
5
Mesh· San Francisco, California, United States
Founded in 2020, Mesh is the first global payment network for crypto, connecting hundreds of exchanges, wallets, and payment service providers to enable seamless digital asset payments and conversions. By unifying these platforms into a single network, Mesh is pioneering a connected and secure ecosystem for digital finance.Hiring at Mesh: We're growing across the US, Europe, India, and LatAm — see open roles at meshpay.com/careers. All applications and interview scheduling run through Greenhouse. Our recruiters will never ask for personal or financial information, contact you from personal phone numbers, or ask you to install software or click links to "complete" an interview. If something outside that process happens, please don't engage and email hr@meshconnect.com.
- Series C
- 187 employees
- Founded 2020

6
AtoB· San Francisco, California, United States
The trucking and logistics industry provides the backbone of the economy. But the payments infrastructure on which it runs is from the past century and broken. For the hard-working men and women of this sector, the existing suite of payment tools is outdated, difficult to use, prone to fraud, and saddled with shady fee structures. The incumbent players in this space often overlook the economic and practical needs of this user base. We're changing that. AtoB is modernizing the payments infrastructure for trucking and logistics. Supply chains rely on the timely movement of capital to function efficiently. Our end game is a world in which that capital movement occurs reliably, instantly and fairly.Our history and backgroundOur founding team has backgrounds in payments, working on electric and autonomous vehicles at Cruise Automation, leading ops and growth for Uber. We have senior engineers and operators from Google, Uber, Meta, Amazon, Shopify, Stripe, Revolut, Chime, Shell, McKinsey, BCG and other leading companies. We have raised $125 million+ from investors such as General Catalyst, Elad Gil, Bloomberg Beta, Y Combinator, XYZ; founders and CEOs of companies such as Google (Eric Schmidt), Salesforce (Marc Benioff), Coinbase (Brian Armstrong), DoorDash (Tony Xu), Stripe, Instacart, Gusto; strategic investors like Mastercard.We were named to Forbes annual Next Billion-Dollar Startup List, and have just recently been selected to join the World Economic Forum as a Global Innovator.
- Series C
- 186 employees
- Founded 2019
7
Lively, Inc.· San Francisco, California, United States
Lively is the health and lifestyle benefits platform that works the first time, every time. Our solutions are designed to take the guesswork out of managing benefits and drive efficiency for you and your teams. Our innovative platform is grounded by your everyday needs and circumstances. By combining robust features with unparalleled service, we make maximizing your benefits as simple as it should be.Lively currently offers HSA, FSA, HRA, COBRA, Direct Bill, Commuter, Lifestyle Spending Accounts, and Medical Travel Accounts.Go to www.livelyme.com to learn more
- Series C
- 175 employees
- Founded 2016
8
Veem· San Francisco, California, United States
Trusted by more than 1M businesses in over 100 countries, Veem is the market leader in automating accounts payables and receivables for businesses. Started with the intention of making business payments as simple as sending an email, Veem has revolutionized the way businesses pay and get paid around the world by empowering business owners, accountants, and finance professionals to take control of their payment processes. Veem levels the playing field by providing enterprise-level payment tools to small businesses. Designed with data security and privacy in mind, Veem adheres to strict compliance, privacy and data protection practices. Services for senders in the US are delivered by Veem Payments Inc. under state money transmission licenses. Money movement services are brought to you by Veem Payments Inc., licensed as Money Transmitter by the New York State Department of Financial Services.See www.veem.com/licenses
- Series C
- 119 employees
- Founded 2014
9
Found· San Francisco, California, United States
Found brings business banking, bookkeeping, taxes, invoicing, and payments together in one intelligent platform. With live financial data, Found keeps books current and helps complete time-consuming financial work.Our mission is to give small business owners the financial clarity, tools, and time they need to thrive. See why over 700K small businesses have chosen Found. To learn more, visit found.com.Found is a financial technology company, not a bank. Business banking services are provided by Lead Bank, Member FDIC. The Found Mastercard Business debit card is issued by Lead Bank pursuant to a license from Mastercard Inc.
- Series C
- 97 employees
- Founded 2019
10
Slash· San Francisco, California, United States
Backed by Y Combinator, NEA, Stanford University, Menlo Ventures, and the founders of Tinder and Plaid, Slash is the banking platform of choice for over 5,000 of America's most innovative businesses. Our all in one virtual card, banking, bill pay, and accounting automation platform helps entrepreneurs stay on top of their finances, allowing them to spend more time doing what they love. Slash powers over 5 billion dollars a year in purchases.
- Series C
- 94 employees
- Founded 2021

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Find engineers at Series C Fintech companies in San Francisco

Searching for “engineers at top Series C Fintech companies in San Francisco” surfaces this slice of the market. The list above ranks Fintech companies headquartered in San Francisco whose latest disclosed round is Series C, by current headcount, drawn from public LinkedIn and Crunchbase records. With 14 matching companies in Refolk’s index, this is a tight read on where the Fintech talent in San Francisco is heating up.

Three filters at once narrows the field hard. The companies that survive all three - Series C, Fintech, in San Francisco - are usually the most targeted recruiting pool a hiring manager can ask for. Senior engineers, founding designers, and product leads here are about to become Fintech’s next operators and angel investors.

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Refolk pulled Fintech companies headquartered in San Francisco whose latest disclosed funding round is Series C from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 3 employees. The list refreshes monthly.

Last refreshed: Fri, 18 Sep 2026 07:48:01 GMT

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