Software Development Company in Dallas
Custom software, web and mobile app development for Dallas–Fort Worth businesses from a Texas-registered development company.
Your Dallas–Fort Worth Software Development Partner
Three Circle helps DFW businesses build custom software, web applications and mobile apps, as a Texas-registered company working remotely with DFW clients, with an office in the UK.
Registered in Sachse, Texas, working in US business hours.
Web, mobile, .NET, AI and cloud from one team.
Products used by thousands of people, including an HR platform with 5,000+ users.
Software Development for Dallas 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.
Work with a Texas-Based Development Team
Book a free online consultation and get clear advice, a realistic timeline and a transparent quote.
What We Build for Dallas Businesses
From startups to established companies, we build software that helps DFW 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.
Why Choose Three Circle in Dallas?
Three Circle is a Texas-registered software company that works remotely with businesses across Dallas–Fort Worth, so you get a US partner with the skills to deliver complete products.
Texas-Registered Company:
Registered in Sachse, Texas, in the Dallas–Fort Worth area.
Full-Stack Expertise:
.NET, React, Angular, Node.js, Python, Flutter and native mobile.
Ongoing Support:
We stay with you after launch.
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 Dallas–Fort Worth
Three Circle is a custom software development company registered in Sachse, Texas, serving Dallas and the wider Dallas–Fort Worth area. We design, build and support web applications, mobile apps and enterprise software for DFW startups, growing businesses and established companies. Our team works remotely with clients through video calls, shared project boards and regular demos, and our UK office extends our working hours.
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.
Why Dallas Businesses Choose Three Circle
- Texas-registered company: Three Circle is registered in Sachse, in the Dallas–Fort Worth area.
- US working hours: our team overlaps with US 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 Dallas–Fort Worth
We build software for many of the industries that drive the DFW economy, including fintech and financial services, healthcare, real estate, retail and eCommerce, insurance, construction, oil and gas and education. See all industries we serve.
Areas We Serve
We work remotely with businesses across Dallas–Fort Worth, including Dallas, Plano, Richardson, Garland, Rowlett, Wylie, Murphy, Rockwall, Frisco, McKinney, Allen, Irving and Fort Worth, as well as clients across Texas and the rest of the United States.
Three Circle (US registered address)
7119 Parkwood Dr, Sachse, TX 75048
Phone: +1 (832) 464-8175
Email: info@threecircle.io
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
- Discovery: an online workshop to understand your goals, users and budget.
- Proposal: scope, timeline, team and a clear price.
- Design: wireframes and prototypes you can review before development.
- Development: two-week sprints with regular demos.
- Testing and launch: quality, security and performance checks before go-live.
- 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 Dallas Software Project?
Book a free consultation and get a clear plan and quote for your software project.
- FAQs
Frequently Asked Questions
Three Circle is registered at 7119 Parkwood Dr, Sachse, TX 75048, in the Dallas–Fort Worth area. Our team works remotely with clients across DFW and the US, and we have an office in Poole, UK.
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.
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 UK office extends our working day across two time zones.
We serve Dallas, Plano, Richardson, Garland, Rowlett, Wylie, Murphy, Rockwall, Frisco, McKinney, Allen, Irving, Fort Worth and the rest of Texas.
Yes. We provide maintenance, security updates, monitoring and new features after your software goes live.