Web Design & Development
Modern, fast, and SEO-ready websites that convert.
Ideas → Solutions → Real Results
Cao-Tech LLC builds modern websites, web apps, mobile apps, custom SaaS platforms, APIs, and AI-powered solutions tailored to your business. From idea to launch and beyond, we make technology work for you.
Your Vision.
Our Code.
Build
Manage
Everything
Fast Turnaround
Focused scopes, steady deliveryReliable & Secure
Built for the long termClear Communication
You’re always in the loopOngoing Support
Here when you need usOur Services
From a simple website to a full SaaS platform, we deliver end-to-end solutions designed around your goals. No cookie-cutter templates — everything is built for your business.
Modern, fast, and SEO-ready websites that convert.
iOS and Android apps built for real-world use.
Turn your idea into a scalable cloud-based product.
Custom APIs and third-party integrations.
Streamline your workflow with AI-powered solutions.
Sell online with confidence.
Secure, reliable, and high-performance hosting.
Updates, security, and long-term support.
Featured Work
We build software that solves real business problems. Here are a few examples of what we’ve built.

Nonprofit Website
A multilingual nonprofit website that helps Nashua families find youth programs, events and ways to get involved.

Retail eCommerce Platform
A custom retail eCommerce platform with a large product catalog, local pickup, age verification, promotions, search, and local SEO.

Insurance Agency Website
A website for a family-owned New Hampshire health insurance agency, with coverage guides, open-enrollment plans and quote requests.

SEO + AEO + Ads Platform
CAO-TECH’s own evidence-based SEO, answer-engine (AEO) and ads platform — a desktop app and WordPress plugin where every number is fetched, verified by a person, or calculated from those.
Our Process
We handle the technical details so you can focus on your business. A clear, shared process keeps projects on track and transparent.
We learn your goals, users and constraints.
Scope, roadmap and a clear estimate.
User-friendly flows and interfaces.
Clean, secure, well-tested code.
Deployment, handoff and training.
Maintenance, updates and growth.
Why Choose CAO-TECH
We’re not just here to build and disappear. We take the time to understand your business, give honest advice, and build solutions that create real value.
FAQ
Cao-Tech LLC builds modern websites, web apps, mobile apps, custom SaaS platforms, APIs and AI-powered solutions for growing businesses. We design, build, launch, host and support them, from idea to launch and beyond.
Cao-Tech LLC is a software and digital solutions company based in Nashua, New Hampshire.
We build for manufacturing, retail, healthcare, nonprofit, professional services, eCommerce and startup businesses.
Every project follows six stages: Discover, Plan, Design, Build, Launch and Support. You always know what is happening and what comes next.
Yes. We host every client site with 24/7 support, and ongoing support covers updates, security monitoring, fixes and planned improvements after launch.
Every project gets its own written estimate, shaped by features, integrations, design and timeline. Estimates are free, and you can start small with a phased or MVP build. Our Pricing page explains how we work and lists our hosting plans.
Ready to bring your idea to life?
Tell us about your project and we’ll get back to you with a plan.
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