Top 50 Cloud Migration & Modernization Agencies in the USA (2026)

#26Contino (part of Cognizant)

New York·Mid-Size·12+ yrs·Score: 90

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DevOps and cloud transformation specialist acquired by Cognizant, focusing on enterprise digital transformation and cloud-native adoption.

#27Allcloud

California·Mid-Size·18+ yrs·Score: 86

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AWS and Salesforce migration specialist with comprehensive cloud services and proven track record in enterprise cloud transformations.

#28CloudHesive

Colorado·Small Team·14+ yrs·Score: 86

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AWS Premier Partner providing elite-level AWS migration and managed services with comprehensive cloud transformation capabilities.

#29Flux7

Texas·Small Team·13+ yrs·Score: 86

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DevOps and cloud migration specialist focusing on automated, infrastructure-as-code approaches for AWS migrations.

#30Smartronix

Maryland·Mid-Size·28+ yrs·Score: 86

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Government IT services provider offering secure cloud migration solutions for federal agencies with FedRAMP and security clearance capabilities.

#31US Cloud

Utah·Small Team·15+ yrs·Score: 86

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Microsoft Azure specialist providing migration services, assessments, and managed solutions with focus on Azure platform expertise.

#32CloudZero

Massachusetts·Small Team·10+ yrs·Score: 82

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Cloud cost intelligence platform provider offering FinOps solutions and cost optimization services for AWS, Azure, and other platforms.

#33ProsperOps

New Jersey·Boutique·8+ yrs·Score: 82

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AWS cost optimization platform leveraging machine learning to automate Reserved Instance and Savings Plan management.

#34Xosphere

Massachusetts·Boutique·8+ yrs·Score: 82

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Cloud cost optimization specialist providing automated instance management and cost reduction services for AWS workloads.

#352nd Watch (now Ollion)

Washington·Mid-Size·16+ yrs·Score: 80

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Cloud optimization and managed services provider rebranded as Ollion, specializing in multi-cloud migrations and cost optimization.

#36AHEAD

Illinois·Mid-Size·30+ yrs·Score: 80

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Technology services provider offering cloud migration, data center transformation, and IT infrastructure services with multi-cloud expertise.

#37Andersen

New York·Enterprise·19+ yrs·Score: 80

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Full spectrum software development and IT outsourcing for healthcare, finance, and logistics with long-term partnership focus.

#38Apps Associates

California·Mid-Size·30+ yrs·Score: 80

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Oracle and enterprise applications specialist providing cloud migration services for Oracle Cloud, AWS, Azure, and Google Cloud.

#39Atos

Texas·Enterprise·29+ yrs·Score: 80

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European IT services giant with comprehensive cloud migration capabilities, now including Cloudreach's cloud-native expertise.

#40Claranet

Massachusetts·Mid-Size·30+ yrs·Score: 80

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European managed services provider with U.S. presence offering comprehensive cloud migration and managed services across multiple platforms.

#41CloudNexa

New York·Small Team·19+ yrs·Score: 80

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AWS Premier Partner providing comprehensive cloud migration, managed services, and optimization with focus on SMB and mid-market clients.

#42DXC Technology

Virginia·Enterprise·9+ yrs·Score: 80

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Fortune 500 IT services company providing enterprise-scale cloud migration and modernization services across hybrid and multi-cloud environments.

#43Ensono

Illinois·Large Team·11+ yrs·Score: 80

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Hybrid IT services provider offering cloud migration and managed services with particular strength in mainframe modernization and complex infrastructure.

#44HeleCloud

Florida·Small Team·15+ yrs·Score: 80

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AWS Premier Partner specializing in high-availability cloud solutions, migrations, and managed services with focus on business continuity.

#45Kellton

New Jersey·Mid-Size·26+ yrs·Score: 80

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Cloud migration services provider with 50+ global team members, specializing in comprehensive cloud transformation across AWS, Azure, and Google Cloud.

#46Nordcloud

California·Mid-Size·15+ yrs·Score: 80

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IBM-owned European cloud provider with multi-cloud expertise across AWS, Azure, and Google Cloud, offering rapid migration assessments.

#47Perficient

Missouri·Large Team·29+ yrs·Score: 80

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Digital consultancy providing cloud migration and transformation services with focus on business outcomes and customer experience.

#48ScienceSoft

Texas·Enterprise·37+ yrs·Score: 80

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IT consulting and software development company with 22 years in eCommerce, building enterprise solutions for B2B and B2C

#49Veritis

Texas·Mid-Size·17+ yrs·Score: 80

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Cloud migration services provider with decade-long track record, offering comprehensive migration solutions across AWS, Azure, GCP, Oracle, and IBM clouds.

#50Cloudreach

Washington·Large Team·17+ yrs·Score: 79

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Cloud-native transformation specialist providing managed services and migrations across AWS, Azure, and Google Cloud with automation expertise.