A credit union’s most consequential software rarely appears on a member’s phone. Corelation’s wager is that changing what happens behind the screen can change the relationship in front of it.
A group of Michigan credit unions put their data processing in a basement. Fifty-six years later, their cooperative offers a revealing answer to a familiar question: who should own the technology your business depends on?
A check looks simple until a bank has to process it. VSoft built a business in that complication, then followed the money into digital banking and instant payments.
Pismo gives banks the accounts, cards and payment processing beneath the app. Its Brazilian founders built a business around a stubborn problem: making old financial infrastructure easier to change.
A Zimbabwean bank’s replacement bill reveals the business behind Rubikon: helping financial institutions outgrow the software that once served them. Neptune’s next test is carrying that experience into new markets.
The fintech that began in San Marino is selling banks a way to connect their old systems, put their data in order and bring AI inside. Its expansion runs through an unusually practical asset: other people’s infrastructure.
A six-week core banking deployment gave Fimple a calling card. Now the software company is taking its mix of configurable banking, Islamic finance and local partnerships into new markets.
From Islamic finance contracts to a five-month core replacement in South Sudan, ICS Financial Systems sells the machinery that makes banking work. Its latest deployments show the appeal - and the demands - of buying a whole banking system.
Colvir spent 25 years making the machinery behind banks configurable. Then a new Kazakh bank tested the proposition: five months, a fixed deadline and almost no appetite for custom code.
The British challenger bank spent years building its own machinery. Engine by Starling is the wager that other banks will buy the working system - and some of the habits that made it work.
Galileo spent nearly two decades becoming the quiet operating system for digital banks. Now, after a $1.2 billion sale, a costly outage and the exit of a giant client, its next trick is turning invisible plumbing into a full financial stack.
COCC runs the unglamorous machinery behind 175 community financial institutions. Its clever twist is structural: the customers own the vendor, sit on its board and help decide what gets built next.

The former Syracuse rower built a career around coordinated motion - first in advertising, then in financial services. At Nymbus, he is making the case that modern banking wins through accountable partnerships, focused growth and technology that can carry its share of the load.
Replacing a bank core can feel like changing an airplane engine in flight. Nymbus offers a less theatrical first move: launch a focused digital brand on a modern sidecar, prove the demand, and only then decide how much of the old machine to replace.

A decade inside banks taught Clarisse Hagège where financial machinery breaks. At DFNS, she is turning that institutional memory into infrastructure for money that moves onchain.
The Paris-born infrastructure company spent years making private keys harder to steal. Its bigger opportunity arrived when it learned that banks wanted control, reversibility and boring operational discipline just as much as cryptography.
The Florida consultancy makes its living in the least photogenic corner of fintech: vendor contracts, core conversions and branch math. Its case studies show why that corner can be worth millions.
Most banking vendors sell one piece of the machine. Constantinople wants to run nearly all of it - so smaller banks and ambitious brands can spend less time assembling infrastructure and more time serving customers.
Systems Limited began with a used mainframe and an awkward problem: Pakistan barely had a software industry. Today it earns about 91 percent of group revenue in foreign currency by making the world's biggest enterprise platforms work in the places where failure is expensive.
Most people will never see i2c's name at checkout. Yet its configurable software helps banks and fintechs decide how cards behave, how money moves and what happens when a transaction looks wrong.
Jack Henry powers the institutions that still know their customers by name. Its next act is moving five decades of banking infrastructure into an open, cloud-native future without asking community banks to surrender the relationship.
Miden is a Nigerian fintech building payments infrastructure for businesses across Sub-Saharan Africa. Through a single API, companies can issue virtual and physical cards in USD, NGN and multi-currency formats, run banking-as-a-service programs, open business accounts, and handle bill payments - the plumbing that lets other companies launch financial products without building banking rails from scratch. Founded in 2022 and part of Y Combinator's Winter 2024 batch, Miden has issued over a million cards and processes billions in transaction volume.
Fiserv is a Milwaukee-based financial technology company that provides payment processing, core banking software, and merchant services to banks, credit unions, businesses, and consumers around the world. Formed in 1984 and transformed by its 2019 acquisition of First Data, it runs the Clover point-of-sale platform, the Carat enterprise commerce operating system, and account-processing systems that power a large share of everyday transactions - from a corner cafe swiping a card to a regional bank settling deposits overnight.
FIS (Fidelity National Information Services) is a Jacksonville, Florida-based financial technology company that powers the software behind banking, payments and investing. Its platforms run core banking systems, card and payment processing, fraud and risk management, and capital-markets tooling for more than 20,000 financial institutions and businesses across over 100 countries. Traded on the NYSE as FIS, the company positions itself around what it calls 'money at rest, in motion and at work,' serving global banks, regional and community lenders, credit unions, asset managers and corporates.
Prelim is a San Francisco-based fintech building white-labeled, no-code software that helps banks and credit unions open deposit accounts, originate loans, and service customers online. Founded in 2017 by Heang Chan and Chris Blaser out of Y Combinator, Prelim powers consumer and business onboarding for institutions like First Republic, Pacific Western, and City National Bank of Florida, with 50+ integrations into core banking systems.