Modernize Your Most Complex
Legacy Systems with Confidence


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Modernizing large systems is challenging and inherently risky. We use AI-powered approach to bridge knowledge gaps, improve visibility into cost and timeline, and enable confident, incremental delivery.




Leverage a modern approach to modernization


Reverse engineer for deep understanding



We reconstruct functional and technical specs directly from code—eliminating reliance on fragmented human knowledge.


Create a comprehensive knowledge base



AI-powered tools extract business logic and dependencies to create a shared knowledge hub for product, development, and support teams.


Accelerate with AI-assisted Agile development



We accelerate modernization with AI-assisted agile practices, and intelligent chatbots that give teams instant system insight—speeding up delivery and keeping focus on what matters.



Our approach mitigates risk and builds confidence





Close lost knowledge gaps early


Deep understanding of the legacy system early prevents costly surprises and enables more confident modernization.





Make informed business decisions


Our structured process enables accurate effort, cost, and risk assessment—empowering smarter business decisions.





Automate execution for speed and quality


Enhance delivery efficiency and quality through the adoption of AI-driven tools and methodologies.




Leading your legacy modernization effort

Grape Up delivers end-to-end legacy modernization—from feasibility analysis, through implementation to rollout—guiding every step with proven tools, a structured process, and deep enterprise experience.



Proprietary Knowledge Hub and Intelligent Chatbots


Comprehensive system knowledge, easily accessible via AI assistants to accelerate delivery


Structured, AI-Assisted Modernization Process


A proven agile approach tailored for large-scale modernization, supported by AI to streamline lower-complexity coding and testing tasks


Proven track record with complex enterprise systems


Decades of hands-on experience modernizing large, mission-critical applications in enterprise environments

Enterprises work with Grape Up to modernize and transform mission-critical applications



Reach out to discuss your modernization challenges!








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The controller of the data within the scope provided above is Grape Up spółka z o.o. For full information about processing of personal data please visit Privacy Policy.