solutions development
Enterprise Software, Built at AI Speed
At TESI, we build, modernize, and evolve enterprise solutions using OutSystems, AI-powered software development, and enterprise-grade engineering while also building AI agents that bring intelligence, automation, and action into those solutions.
APP DEVELOPMENT
Solutions & Capabilities
AI-Powered Software Development
Build, modernize, and evolve enterprise applications rapidly with OutSystems and AI-powered development.
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Agentic AI & Automation
Build AI agents that understand business context, reason over information, orchestrate workflows, and take action.
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Consulting & Advisory
Help your organization identify where AI and OutSystems can create value, strengthen your technology foundation, and build internal capability.
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Three Capabilities
Three Capabilities One Enterprise Solutions Partner
TESI helps enterprises build, modernize, and evolve software with OutSystems and AI-powered development and extend those applications with AI agents and intelligent automation.
From custom enterprise applications and legacy modernization to agentic AI and technical advisory, we bring the technology, engineering expertise, and enterprise discipline needed to move from idea to production.
APP DEVELOPMENT
Why Teams Trust TESI To Build It Right
Practitioner-led, not theory-led
TESI’s consultants and engineers build enterprise applications every single day the advice comes from doing the work, not from a slide deck.
Deep OutSystems expertise
Certified engineers, MVP practitioners, and long-standing partner-tier status every credential earned on real projects.
Built for enterprise complexity
Applications are designed to perform and scale inside complex, governed ecosystems the kind where mission-critical actually means something.
End-to-end capability, one team
Strategy, build, modernisation, and long-term support all sit under one roof no vendor hand-offs, no lost context along the way.
25+
Years Operating
200+
Applications Delivered
157
Outsystems Certifications
157
Outsystems Certifications
5
Agile and Professional Scrum Practices Certifications
8
ISTQB Certified Testers Certifications
FAQs
We build custom enterprise applications, internal tools, core systems, digital products, and customer-facing solutions.
Yes. We modernize legacy systems to improve security, scalability, maintainability, and integration while preserving critical business capabilities.
AI accelerates requirements, design, development, testing, documentation, and other stages of the software lifecycle—helping teams bring applications to value faster.
AI-powered applications use AI to make software smarter through capabilities such as intelligent assistance, recommendations, and automation. AI agents go further by understanding context, making decisions, using tools, and taking action within defined business processes.
Yes. We build AI agents that can understand business context, support decisions, perform tasks, and take action across applications and workflows.
We build security, governance, human oversight, and appropriate controls into the solution from the start.
Yes. We can securely connect applications, AI capabilities, data, APIs, and existing enterprise systems.
Yes. We help identify, assess, and prioritize opportunities where AI and automation can create meaningful business value.
No. Start with your business challenge or opportunity, and we can help define the right solution and approach.
Get in Touch With Us!
We would love to hear from you. Whether you have inquiries about our solutions, need support, or want to explore partnership opportunities, our team at Transnational E-business Solutions, Inc. (TESI) is ready to help.
