Serso Boutique Engineering Consultancy

SERSO is a boutique engineering consultancy specializing in the modernization, stabilization, and transformation of complex legacy systems. We provide senior-level technical expertise to organizations whose operations depend on aging, undocumented, or mission-critical platforms — environments that require reliability, discretion, and rigorous engineering judgment. With more than 20 years of experience across telecommunications, banking, retail logistics, government, and enterprise modernization programs, SERSO brings a calm, analytical, and structured approach to solving difficult engineering challenges. Our work is grounded in clarity, precision, and an unwavering commitment to operational integrity. We support clients in: • Legacy modernization and transformation • System and data migrations • Backend engineering and API integration • Refactoring, performance, and stability improvements • Documentation and knowledge recovery • Resolution of complex or long-standing technical issues • Transition planning for system replacement initiatives Every engagement is led directly by senior engineer Sérgio de Sousa, ensuring consistent quality, confidentiality, and clear technical direction. SERSO operates with discretion in sensitive or high-impact environments and is committed to delivering solutions that are maintainable, reliable, and aligned with real-world operational needs. SERSO — A division of 9027033 Canada Incorporated Toronto, Ontario, Canada