18 Best Transaction Processing Startups to Watch in 2025

The Definitive Seedtable Ranking of Transaction Processing Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 18 start-ups with an aggregate funding of $225.0m. The average funding per company in this subset is $12.5m.

Last update to the database: Feb 18, 2025. See changelog.

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1

Funding Rounds

$5.0m

Money raised

VYZYO is a London-based provider of platforms and technologies for enabling and operating digital payment and mobile financial services for peer-to-peer and peer-to-business financial and messaging transactions.

Location:

Key people:

6

Funding Rounds

$7.5m

Money raised

CapLinked is a Manhattan Beach, California-based secure document management software developer.

2

Funding Rounds

$1.3m

Money raised

Reesio is a company founded in 2012 by Uyen Tran, Jonathan Mui, John Dulay and Mark Thomas.

4

Funding Rounds

$26.3m

Money raised

AnChain.AI is a blockchain technology company offering cryptocurrency and digital economy transaction monitoring services.

1

Funding Rounds

$225.0k

Money raised

An Innovative IOT startup in California that focuses on addressing needs through IOT solutions.

1

Funding Rounds

$7.9m

Money raised

Rally.org is a San Francisco-based company founded in 2009 by Tom Serres.

3

Funding Rounds

$7.6m

Money raised

A Transaction Platform - Specifically designed to protect people who are buying or selling online or in person with strangers.

Location:

Key people:

1

Funding Rounds

$276.8k

Money raised

Miracl is a London-based provider of secure authentication services.

2

Funding Rounds

$1.4m

Money raised

Developer of an ordering and payment management system designed to serve multi-location restaurants and bars. The company's system gives a total performance view and uses advanced analytics to keep informed of issues before they happen, enabling clients to deliver improved guest experiences.

Location:

Key people:

3

Funding Rounds

$62.5m

Money raised

OpTier is a New York-based company founded in 2005 by Amir Alon.

Location:

Key people:

1

Funding Rounds

$15.8m

Money raised

HitPay is a Singapore-based financial services company developing a no-code payment processing platform for SMEs in South East Asia.

10

Funding Rounds

$40.0m

Money raised

Electronic Payment and Services is a payment systems company that offers payments services to banks and their customers.

Location:

Key people:

1

Funding Rounds

$2.0m

Money raised

Zipmark is a company founded in 2010 by Jay Bhattacharya.

Key people:

1

Funding Rounds

$29.0m

Money raised

Candid Health is a revenue cycle automation platform that simplifies medical billing processes for healthcare providers.

Location:

Key people:

2

Funding Rounds

$12.6m

Money raised

Freight Tiger is a company founded in 2014 by Swapnil Shah.

Location:

Key people:

1

Funding Rounds

$2.7m

Money raised

CASHDROP is a Chicago-based startup building a mobile-first contactless e-commerce platform which is free to use for merchants. The company generates revenue by taking a small convenience fee on the consumer side of the transaction.

Location:

Key people:

1

Funding Rounds

$2.9m

Money raised

PayQwick is a Calabasas, California-based company.

1

Funding Rounds

$200.0k

Money raised

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