Top 17 Payment Processing startups

Updated: Nov 07, 2025
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These startups provide payment processing and merchant services for online sellers.
1
Stripe
Country: USA | Funding: $9.4B
Stripe builds the most powerful and flexible tools for internet commerce. Whether you’re creating a subscription service, an on-demand marketplace, an e-commerce store, or a crowdfunding platform, Stripe’s meticulously designed APIs and unmatched functionality help you create the best possible product for your users.
2
Checkout.com
Country: UK | Funding: $1.8B
Accept more payments. Get access to a global acquiring network, benefit from real-time insights, centralized reconciliation tools and complete feature parity across multiple geographies. All through one unified API.
3
Square
Country: USA | Funding: $601.2M
Square is a merchant services aggregator and mobile payment company that aims to simplify commerce through technology.
4
Adyen
Country: Netherlands | Funding: $266M
Adyen offers Adyen platform that integrates gateway, risk management, processing, acquiring, and settlement of payments.
5
Finix
Country: USA | Funding: $201M
Finix is a fintech company that develops a payment processing platform for businesses.
6
BlueSnap
Country: USA | Funding: $183M
BlueSnap helps online companies maximize customer acquisition and retention. Each day, thousands of merchants realize the power and potential of eCommerce through our smarter global payment gateway and easy to use checkout pages. Together, we'll help your business achieve the success it deserves.
7
Shopify
Country: Canada | Funding: $122.3M
Shopify is a cloud-based, multi-channel commerce platform designed for small and medium-sized businesses.
8
Cashfree
Country: India | Funding: $93.9M
Cashfree is a payments and banking technology company that enables businesses in India to collect payments online and make payouts.
9
2Checkout
Country: USA | Funding: $72M
2Checkout is the leading all-in-one monetization platform for global businesses.
10
Paymob
Country: Egypt | Funding: $68.5M
Paymob is a digital payments enabler for emerging markets, helping small and large enterprises accept payments online and in-store.
11
PayMongo
Country: Philippines | Funding: $45.7M
PayMongo offers an online payments API for businesses in the Philippines
12
Silverflow
Country: Netherlands | Funding: $36.4M
Silverflow is a cloud-based processing platform that provides an upgrade for payment-providers to accelerate technological innovation.
13
Paymill
Country: Germany | Funding: $18M
PAYMILL is a payment solution platform that enables online businesses to accept payments on their websites within a very short time.
14
OurPass
Country: Nigeria | Funding: $1.1M
OurPass is the fastest one-click checkout for Africa.
15
Paynet
Country: Moldova
Paynet is an online payment firm that provides financial services, depository credit intermediation, e-wallet, and other financial services.
16
PAYZE
Country: Georgia | Funding: $125K
Innovator of financial transactions, helping businesses to accept payments from around the world through a single integration.
17
UniPAY
Country: Georgia
UniPAY provides online payment solutions to its users in Georgia.
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Fernando Lopez
Editor: Fernando Lopez
Fernando Lopez is a senior editor for SaaStartups. He joined the company after having previously spent over three years at ReadWriteWeb. Prior to his work as a reporter, Fernando worked in I.T. across a number of industries, including banking, retail and software. Fernando graduated from the University of Buenos Aires (Computer Science). He is more-than-averagely interested in photography and can often be found with a camera slung over his shoulder. He wrote a book about pitching startups to investors. You can contact Fernando at fernandolopez(at)saastartups(dot)com