Top 10 Cloud Migration & Modernization Agencies in the USA (2026)

#1Capgemini

New York·Enterprise·59+ yrs·Score: 100

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Global consulting and IT services leader providing comprehensive cloud migration and transformation services across all major platforms.

#2Rackspace Technology

Texas·Enterprise·28+ yrs·Score: 100

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Multi-cloud managed services provider with 25+ years experience, offering migration and management across AWS, Azure, Google Cloud, and VMware.

#3Red Hat Consulting

North Carolina·Enterprise·33+ yrs·Score: 100

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Open source leader providing cloud migration consulting with expertise in hybrid cloud, containers, and Kubernetes-based transformations.

#4SADA

California·Large Team·26+ yrs·Score: 100

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Google Cloud Premier Partner with 20+ years experience, 7-time Global Sales Partner of the Year, specializing in cloud migration and modernization.

#5StratusGrid

Tennessee·Small Team·17+ yrs·Score: 100

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AWS Premier Partner specializing in cloud migration, modernization, and managed services with over 10 years of cloud-native expertise.

#6Thoughtworks

Illinois·Large Team·33+ yrs·Score: 100

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Software consultancy recognized as a Leader in cloud migration services, specializing in business-aligned migration strategies and cloud-native modernization.

#7Accenture

New Jersey·Enterprise·37+ yrs·Score: 97

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Global professional services company with 700,000+ employees providing comprehensive cloud migration strategy, implementation, and management services.

#8Cognizant

New Jersey·Enterprise·32+ yrs·Score: 97

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Global IT services company with extensive cloud migration practice, serving businesses with secure workload transitions across all major platforms.

#9Deloitte

New York·Enterprise·Score: 97

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Big Four professional services firm providing comprehensive cloud migration and digital transformation services across all major cloud platforms.

#10IBM Consulting

New York·Enterprise·115+ yrs·Score: 97

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Global consulting leader with comprehensive cloud migration services across AWS, Azure, Google Cloud, and Oracle, specializing in enterprise transformations.