Move forward without breaking what works.
We rebuild and extend the software your business runs on, in small, reversible steps, with no downtime.

They moved a system two million residents depend on, without a single day of downtime.
We work with organizations that depend on software they can no longer safely change: the systems too important to break and too dated to leave alone. We make them dependable again, without a risky full rewrite.
Four things we do well.
Modernize
Keep critical systems running while you rebuild them, step by step, with nothing breaking.
Learn more →Build
Ship new software with senior engineers who stay accountable for what they deliver.
Learn more →How a project runs, start to finish.
Two weeks to map your systems and risks, and agree where to start, with a concrete plan you own.
Rebuild the foundation in reversible steps while the business keeps running. Working software every sprint.
Hand over a stable, documented platform, and stay on for as long as you need us.
Every requested feature was delivered with high quality and within the timeline. Their technical depth and ability to handle requirements independently made a real difference, and helped us avoid any escalations.

A 20-year-old benefits platform, modernized without a single day of downtime.
We migrated a mission-critical system serving 2 million residents to a modern, supportable stack, in measured phases, with the legacy system live until the day we switched over.
What clients say.
The first team that explained our own platform back to us clearly, then fixed it.
They treated our legacy code with respect instead of contempt, and it showed in the result.
Six months in, the system is faster, cheaper to run, and we finally understand it.
Tell us what you're trying to fix.
Send us the problem you're stuck on. We'll come back with a concrete first step, whether or not you end up working with us.