About
Built by people who've
run the work.
D&S Tech LLC is a software company in Paterson, New Jersey. We build our own products and platforms for clients — and we operate the infrastructure they live on.
Where we come from
Field experience, then code.
Our founder spent more than two decades in the HVAC trades and building controls — running projects from residential retrofits to large commercial work across New Jersey and New York. That is why our software starts from the job site: estimating, submittals, controls and crews.
Our own products
We build and operate our own SaaS, which keeps us honest about what it takes to run software for years, not weeks.
Our own infrastructure
Virtualization clusters, on-premise GPU inference, self-hosted email and backups — run in-house.
Controls + software
Niagara, BACnet and DDC engineering under the same roof as full-stack development.
Any stack that fits
TypeScript, PHP, Python and .NET — chosen per project, documented for whoever owns it next.
Let’s talk about your project
Web, mobile, desktop, AI or infrastructure — start with a short message.
Start a project