4Tech Innovation

4Tech Innovation is an AI agency based in São Paulo, Brazil, with a team of five employees. The company specializes in building AI agents using LangGraph, LangChain, and CrewAI, and implements production LLM architectures with RAG, function calling, and guardrails. It also offers data engineering, analytics, cloud and MLOps, and custom software development services, serving clients such as Mapfre, Santander, and Grupo Pão de Açúcar.