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Web Development & Mobile App Company in New Jersey

Websites, web applications and mobile apps for New Jersey businesses from a US-registered development company.

Your New Jersey Software Development Partner

Three Circle helps New Jersey businesses build custom software, web applications and mobile apps, as a US-registered company working remotely with clients in New Jersey, with a UK office address.

US-Registered Company

A US company registered in Texas, working in US business hours.

Full-Service Development

Web, mobile, .NET, AI and cloud from one team.

Real, Proven Projects

Products used by thousands of people, including an HR platform with 5,000+ users.

App & Software Development for New Jersey Businesses

Portals, dashboards and internal tools built around your processes.

Customer-facing web apps and iOS, Android and Flutter mobile apps.

Software for fintech, healthcare, real estate, retail and more.

Scalable applications on Azure and AWS.

Regular demos, progress reports and one point of contact.

Maintenance, monitoring and improvements after launch.

Hire .Net Developer

Work with a US-Registered Development Team

Book a free online consultation and get clear advice, a realistic timeline and a transparent quote.

Why New Jersey Businesses Work with Three Circle
US-Registered
US Working Hours
Real Projects
Cost-Effective
Senior Engineers
Secure Solutions
Scalable Apps
Long-Term Support
Red 3D cubes - Three Circle brand graphic

What We Build for New Jersey Businesses

From startups to established companies, we build software that helps New Jersey businesses grow:

Customer Portals and SaaS

Secure web platforms for your customers and partners.

Mobile Apps

iOS, Android and Flutter apps for customers and field teams.

Legacy Modernisation

Older systems upgraded to modern, supported technology.

.Net Web Development Services

Why Choose Three Circle in New Jersey?

Three Circle is a US-registered software company that works remotely with businesses across New Jersey, so you get a US partner with the skills to deliver complete products.

US-Registered Company:

A US company registered in Sachse, Texas.

Full-Stack Expertise:

.NET, React, Angular, Node.js, Python, Flutter and native mobile.

Ongoing Support:

We stay with you after launch.

Astronaut riding a rocket - Three Circle illustration

US and UK Coverage:

Working hours that cover both US and UK time zones.

Transparent Communication:

Regular demos, clear reports and honest estimates.

Reliable Delivery

Clear milestones keep your project on schedule.

Software Development Services in New Jersey

New Jersey businesses, from pharmaceutical and life-science companies to logistics firms and professional services, need fast websites, secure web applications and mobile apps that connect to the systems they already use. Three Circle is a US software company, registered in Texas, that designs, builds and supports websites, web apps and mobile apps for businesses across New Jersey. Our team works remotely with clients through video calls, shared project boards and regular demos, and our working hours cover both US and UK time zones.

Custom Software Development

Business applications, portals and internal tools built around how your team works. See our custom web development services.

ASP.NET and .NET Development

Secure enterprise applications and APIs on Microsoft .NET, plus .NET migration for legacy systems.

Mobile App Development

iOS, Android and Flutter apps for customers and field teams. See our mobile app development services.

AI and Chatbot Development

AI chatbots and LLM features that automate support and internal work.

Cloud and DevOps

Azure and AWS hosting, CI/CD and monitoring. See our cloud development services.

Software Consulting

Architecture reviews, technology roadmaps and project rescue from our software consultants.

Mobile App Development in New Jersey

Need mobile apps as well as a website? Three Circle builds iOS, Android and cross-platform apps for New Jersey startups and businesses. We work remotely, with calls and demos during New Jersey business hours (Eastern Time), and our rates start from $35 per hour.

Mobile App Development for New Jersey Businesses

Customer apps, booking and ordering apps, field-team apps and internal tools, built with Flutter for iOS and Android from one code base, or natively when needed.

Apps We Have Built

Optimized Strength, a fitness app with 1,000+ downloads, and the mobile app of an HR platform used by 5,000+ employees. See more in our portfolio and our US projects.

Start With an MVP

Get a free clickable design of 5-6 key screens; a starter MVP costs $3,000, or $1,500 when you claim the free design. See our MVP offer.

What an App Costs in New Jersey

Simple apps and MVPs usually cost less than complex platforms with payments, integrations and AI. See how much it costs to build an app, use our app cost calculator or book a free call for a written estimate.

Why New Jersey Businesses Choose Three Circle

  • US-registered company: Three Circle is registered in Sachse, Texas.
  • US working hours: our team overlaps with Eastern Time business hours for real-time calls and quick decisions.
  • Proven remote delivery: clear sprints, demos and reports, so you always know where your project stands.
  • Understanding of US business needs: security, compliance and the pace US companies expect.
  • One team for everything: design, web, mobile, cloud and support from the same team.

Industries We Serve in New Jersey

We build software for many of the industries that drive the New Jersey economy, including pharma and life sciences, logistics, financial services, retail and eCommerce, education and real estate. See all industries we serve.

Areas We Serve

We work remotely with businesses across New Jersey, including Newark, Jersey City, Hoboken, Princeton, Edison, Trenton, Paterson, Morristown and Cherry Hill, as well as clients across the rest of the United States.

We also work with businesses in Dallas, Austin, Houston, New York, Miami, Chicago, Los Angeles, San Francisco, Atlanta and California, and across the United States.

Three Circle (US registered address)
7119 Parkwood Dr, Sachse, TX 75048
Phone: +1 (832) 464-8175
Email: info@threecircle.io

Website Design and Development in New Jersey

Alongside mobile apps, Three Circle is a web development company for businesses in New Jersey. We design and build business websites, online stores and custom web applications, then look after SEO and maintenance after launch. Website projects start from $1,000 and our rates start from $35 per hour.

Website Design and Development

Fast, mobile-first WordPress websites with clear calls to action, quote and booking forms, and on-page SEO. See the US websites we built for Foaming Foamtastic and Big Camel Printing, where 100% of the leads were qualified and turned into paid work.

Custom Web Application Development

Customer portals, dashboards, booking and ordering systems and internal tools built with ASP.NET Core, Node.js and React. See our custom web development services.

Website Redesign and SEO

Redesigns that keep your Google rankings, with redirects, speed fixes and local SEO for New Jersey searches. See website design and development and the website cost calculator.

Software Projects We Have Built

HRM Platform and Mobile App Used by 5,000+ Employees

For a growing organisation we built a complete HR management platform: a web admin dashboard (React and Angular) for employee records, attendance and office operations, a Flutter mobile app for attendance and leave requests, and an ASP.NET Core API behind both. Result: more than 5,000 active users.

Optimized Strength: AI-Powered Fitness App with 1,000+ Downloads

Optimized Strength is a cross-platform fitness app built with Flutter for iOS and Android and a secure ASP.NET Core back end. It gives users more than 1,300 exercises, personalised AI coaching and progress tracking with visual charts. Result: 1,000+ downloads.

School3: School Management System with React, Flutter Web and .NET

School3 streamlines campus operations from one centralised admin dashboard: automated attendance, fee tracking and academic reporting. We built the web interfaces with React and Flutter Web on top of a secure .NET back end.

Want results like these? Tell us about your software project and get a free consultation.

Our Software Development Process

  1. Discovery: an online workshop to understand your goals, users and budget.
  2. Proposal: scope, timeline, team and a clear price.
  3. Design: wireframes and prototypes you can review before development.
  4. Development: two-week sprints with regular demos.
  5. Testing and launch: quality, security and performance checks before go-live.
  6. Support: maintenance, monitoring and new features.

Software Development Engagement Models and Pricing

Choose the way of working that fits your budget and timeline:

Fixed-Price Projects

Best for MVPs and projects with a clear scope. You agree on price, timeline and features before development starts.

Time and Materials

Flexible for products that will evolve. You pay for actual development time and can change priorities after every sprint.

Hire Dedicated Developers

Add experienced developers, designers and QA engineers to your team on a monthly basis for long-term development.

Want a quick budget? Use our app development cost calculator or request a free estimate.

Ready to Start Your New Jersey Software Project?

Book a free consultation and get a clear plan and quote for your software project.

Frequently Asked Questions

Three Circle is a US company registered at 7119 Parkwood Dr, Sachse, Texas. We work remotely with clients in New Jersey and across the US through video calls, shared project boards and regular demos, and we have a UK office address in Poole, Dorset.

Custom software, ASP.NET and .NET development, web applications, iOS, Android and Flutter apps, AI chatbots, cloud solutions, UI/UX design and software consulting.

We work remotely using video calls, shared project boards and regular sprint demos, with one point of contact who keeps you updated.

Cost depends on features, platforms and integrations. Try our cost calculator or request a free estimate. Our rates start from $35 per hour and projects from $1,000.

Yes. We work with startups building their first product as well as established companies modernising or extending their systems.

Our team overlaps with US business hours, and our working hours cover both US and UK time zones.

We work with businesses across Newark, Jersey City, Hoboken, Princeton, Edison, Trenton, Paterson, Morristown and Cherry Hill, as well as clients across the rest of the United States.

Yes. We provide maintenance, security updates, monitoring and new features after your software goes live.

Yes. We build iOS, Android and Flutter apps for New Jersey businesses and startups. We are registered in Texas and work remotely, with calls and demos in Eastern Time.

Our rates start from $35 per hour, and a starter MVP costs $3,000 ($1,500 with our free design offer). Larger apps are priced by scope after a free call.