Industries
Banking that keeps its promises
Core modernization, payments and compliance for banks, credit unions and fintechs. We change the systems that hold people's money without asking anyone to stop using them.
Talk to our banking team
What is changing
Banks are being asked to settle faster, explain more and spend less, on cores written before the first smartphone. The institutions pulling ahead are not the ones with the boldest plans. They change one product at a time and keep every account open throughout.
Instant payments have turned the overnight batch into a liability. A transfer that once had until morning to settle now has seconds, and the systems around it were never built for that.
Supervisors want evidence, not assurances: traceable data, tested recovery and a named owner for every important service.
Three shifts we see in every bank we work with
Payments in real time
Instant schemes leave no overnight window to put mistakes right. Fraud checks, limits and reconciliation have to run in the same second as the payment.
Resilience you can prove
Supervisors now ask how long each important service may be down, and expect a tested answer. Recovery plans live in code, not in binders.
Cores that move in pieces
Few banks can afford a single large replacement. The ones succeeding carve products off the old core one at a time, behind stable interfaces.
By the numbers
Banking, measured
- 68%
- Share of technology budget the banking leaders in our research spend keeping existing systems running, above the 61% average.
- 4x
- Faster release cadence on the payments platforms we have rebuilt, measured a year after go-live.
- 0
- Customer-facing freezes needed across our last six core banking migrations.
- 11 weeks
- Average time from the first workshop to the first product live on a new core component.
The maintenance dividend, KIASA research, 2026 (24 of the 140 engineering leaders surveyed work in banking); KIASA delivery records, 2021 to 2026.
What we do
How we help banks and payment providers
Small senior teams who have worked inside banks, and who stay until your own people can run what we build together.
Core banking modernization
Deposits, lending and ledgers moved off aging cores product by product, with old and new running side by side until the numbers match.
Application modernizationPayments platforms
Instant, card and cross-border payments on one platform, with fraud scoring and limits that run inside the payment, not after it.
Integration and APIsRegulatory data
One governed source for the figures you report, with lineage from each submission back to the transactions behind it.
Artificial intelligence and dataOperational resilience
Important services mapped, recovery tested on a schedule, and the evidence ready for the supervisor before they ask for it.
CybersecurityDigital channels
Mobile and web banking designed with customers, built by one team and released every week rather than every quarter.
Digital product engineeringRunning the platform
A standing team that patches, monitors and improves what we build, and reports back each month in plain language.
Managed services

Core modernization
Replacing a core without a weekend of silence
The traditional core replacement asks a bank to stop, migrate and hope. We do the opposite. A new component takes one product, such as savings or small business lending, while the old core keeps everything else.
Both run in parallel and reconcile every night until the figures agree to the cent. Only then do customers move, a few thousand at a time. There is no single cutover, and no single moment when everything can go wrong.
See application modernization
Payments
When settlement takes seconds, so must everything else
Instant payments remove the night the back office used to rely on. Sanctions screening, fraud scoring, limits and posting all have to finish before the customer's screen refreshes.
We design payment flows as a chain of small services with clear timeouts and a defined answer for every failure, so one slow check delays one payment instead of the whole queue.
See integration and APIsOur work in action
What we have built with banks

Corran Savings Bank
A 140-year-old savings bank moves its mortgages to a new core
Eighteen months, four product lines and no customer freeze. Mortgage offers now go out the day after an application.
Explore
Pellmark Payments
A payments fintech passes its first resilience review
Recovery for its card platform is now tested every quarter, and was complete in under 40 minutes in the last exercise.
Explore
Northfold Credit Union
A credit union opens accounts on the phone in eight minutes
Account opening redesigned with members, from a branch visit and three forms to a single flow.
Explore
What we think
Reading for banking leaders
Research report
The maintenance dividend
Banks in our survey spend more than most keeping old systems alive. What the best performers do with the difference.
Research report
Security debt: the quiet risk on the balance sheet
Unpatched payment and core systems are a liability a supervisor can see. A way to measure the exposure and pay it down.
Research report
AI in the back office: where the first real savings are showing up
Reconciliation and exception handling are among the tasks where finance teams are already saving real hours.
Perspective
Why the second year of a cloud migration matters more than the first
Banks that moved to the cloud are now finding out what it costs to run there. Year two is where that is settled.
Our leaders
Banking and payments leads
Talk to the people who will be on your program, not to a sales team.
Priya Raghunathan
Industry Lead, Banking and Payments
Twenty years in core banking, the last ten replacing it. Leads our work with savings banks and credit unions.
Paulo Antunes
Payments Architecture Lead
Designs instant and cross-border payment platforms, and the fraud checks that run inside them.
Freja Holm
Regulatory Data Lead
Builds the data lineage that lets a bank show a supervisor where every reported figure came from.

Change the core, keep the customers
Tell us which product you would move first. A partner from our banking team will reply within two working days.
