Top AI Development & Automation Companies in St. Louis, MO
We ranked 4 AI development companies in and around St. Louis, MO on client reviews, how many are verified, service focus and profile completeness. Includes companies in nearby Collinsville, IL. Updated October 2026. How rankings work
Teams that build AI features, agents and automations into products and day-to-day operations.
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St. Louis consultancy that embeds senior U.S. developers to build AI-enabled custom software, with cloud cost management and Atlassian services.
No reviews yet
St. Louis, MO
- Custom Software Development
- AI & Automation
- Managed IT Services
St. Louis Microsoft Solutions Partner building custom and AI applications on Azure, alongside data, cloud, HPC, Microsoft 365 and managed services.
No reviews yet
St. Louis, MO
- Custom Software Development
- Managed IT Services
- AI & Automation
St. Louis engineering consultancy that designs, modernizes and connects mission-critical software, data and AI systems for high-stakes industries.
No reviews yet
St. Louis, MO
- Custom Software Development
- AI & Automation
- API & Integration Development
Custom software firm in Collinsville, Illinois, near St. Louis, building web and mobile apps, ERP and integrations, and business process automation.
No reviews yet
Collinsville, IL
- Custom Software Development
- Mobile App Development
- Web Development
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