Top Custom Software Development Companies in Dallas, TX
We ranked 10 custom software development companies in and around Dallas, TX on client reviews, how many are verified, service focus and profile completeness. Includes companies in nearby Fort Worth, Plano, Irving and Addison. Updated October 2026. How rankings work
Partners that build software around how a business actually works, often replacing spreadsheets and a patchwork of subscriptions with one system the company owns.
- Rank 1
Houston software consultancy building custom enterprise, web and desktop applications, plus Microsoft 365, SharePoint and data analytics work.
No reviews yet
Dallas, TX
- Custom Software Development
- API & Integration Development
- Web Development
- Rank 2
IT consultancy offering custom software development, data engineering, AI solutions and technical training from offices across North and Latin America.
No reviews yet
Plano, TX
- Custom Software Development
- API & Integration Development
- AI & Automation
- Team
- 1,000+ people
- Rank 3
Nashville software consultancy whose senior engineers build web, mobile, data and AI systems for healthcare, financial services and other regulated industries.
No reviews yet
Dallas, TX
- Custom Software Development
- AI & Automation
- API & Integration Development
- Team
- 100-249 people
- Rank 4
Fort Worth company building custom software, websites, web and mobile apps, and Sitecore implementations.
No reviews yet
Fort Worth, TX
- Custom Software Development
- Web Development
- Mobile App Development
- Rank 5
Dallas-area firm that builds AI agents, custom software, mobile apps and enterprise integrations for mid-market companies.
No reviews yet
Addison, TX
- Custom Software Development
- AI & Automation
- Mobile App Development
- Rank 6
Fort Worth web development firm that builds custom websites and web applications in-house.
No reviews yet
Fort Worth, TX
- Web Development
- Custom Software Development
- Rank 7
Houston firm that designs and builds AI agents, custom software and mobile apps for manufacturing, distribution, energy and other enterprise teams.
No reviews yet
Irving, TX
- AI & Automation
- Custom Software Development
- Mobile App Development
- Rank 8
Atlanta-based AI services firm that plans, builds and governs AI systems, agents and data platforms with nearshore engineering teams.
No reviews yet
Dallas, TX
- AI & Automation
- Custom Software Development
- API & Integration Development
- Rank 9
Dallas AI consulting, design and engineering firm building AI solutions and digital experiences for regulated enterprises.
No reviews yet
Dallas, TX
- AI & Automation
- Product Design & Development
- Custom Software Development
- Rank 10
Plano firm that builds mobile apps, web platforms, AI products and IoT software from discovery to launch.
No reviews yet
Plano, TX
- Mobile App Development
- Web Development
- AI & Automation
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