Cloud migration is becoming less about relocating workloads and more about deciding which applications should be redesigned once they reach the cloud.
For enterprises with large Windows, .NET and database estates, a migration can expose years of technical debt. Simply moving those workloads can preserve some of the limitations that organizations were trying to solve in the first place.
AWS describes migration and modernization as related but distinct activities, with modernization helping organizations improve agility and reduce costs by updating applications before or after moving them to the cloud. Its partner program validates providers based on technical expertise and customer experience in these areas.
The distinction is becoming more relevant as companies combine cloud migration with application modernization, data modernization and AI initiatives. A migration strategy therefore increasingly needs to consider the target architecture rather than treating the cloud as simply a new location for existing workloads.
Top AWS migration and modernization companies in the US
Sonata Software strengthened its position in this market in 2026 after achieving AWS Migration and Modernization Competency status. AWS uses the competency to identify partners with validated capabilities for helping organizations migrate and modernize applications from on premises environments or other cloud platforms.
The recognition builds on Sonata’s AWS Premier Tier Services Partner status, which the company achieved in February 2026. According to Sonata, the designation recognizes its ability to help customers design, architect, build, migrate and manage workloads on AWS.
Sonata’s AWS services cover assessment, migration, application modernization and managed cloud operations. Its Windows workload offering, for example, addresses migration and modernization of Windows workloads, data and applications to AWS, including .NET modernization, database services and post migration optimization.
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