Government IT services provider offering secure cloud migration solutions for federal agencies with FedRAMP and security clearance capabilities.
Top RatedGoogle PartnerAWS Partner+3 more
Cloud Migration & ModernizationTop 10 Elite
The very best • View detailed Top 10
Agencies 11–25
Strong contenders • View detailed Top 25
#11
#12
#13
#14
#15
#16
#17
#18
#19
#20
#21
#22
#23
#24
#25
ClearDATA
Texas
66degrees
Illinois
Slalom
Washington
Wipro
New Jersey
Mission Cloud Services
California
Pythian
Trianz
California
Contino (part of Cognizant)
New York
Ensono
Illinois
RapidScale
New York
TIAG
Virginia
Cloudticity
Washington
Allcloud
Colorado
CloudHesive
Colorado
Flux7
Texas
Agencies 26–50
Quality agencies for deeper exploration
Software consultancy recognized as a Leader in cloud migration services, specializing in business-aligned migration strategies and cloud-native modernization.
Top Rated15+ YearsLarge Team
Cloud Migration & ModernizationSystems Integration Services
Microsoft Azure specialist providing migration services, assessments, and managed solutions with focus on Azure platform expertise.
Top RatedMicrosoft Partner15+ Years+1 more
Cloud Migration & Modernization
Cloud cost intelligence platform provider offering FinOps solutions and cost optimization services for AWS, Azure, and other platforms.
Top RatedGoogle PartnerAWS Partner+3 more
Cloud Migration & Modernization
AWS cost optimization platform leveraging machine learning to automate Reserved Instance and Savings Plan management.
Top RatedGoogle PartnerAWS Partner+3 more
Cloud Migration & Modernization
Cloud optimization and managed services provider rebranded as Ollion, specializing in multi-cloud migrations and cost optimization.
Top RatedGoogle PartnerAWS Partner+2 more
Cloud Migration & Modernization
Technology services provider offering cloud migration, data center transformation, and IT infrastructure services with multi-cloud expertise.
Top RatedGoogle PartnerAWS Partner+3 more
Cloud Migration & Modernization
Full spectrum software development and IT outsourcing for healthcare, finance, and logistics with long-term partnership focus.
Top Rated15+ YearsEnterprise
Custom Software DevelopmentCloud Migration & Modernization
European IT services giant with comprehensive cloud migration capabilities, now including Cloudreach's cloud-native expertise.
Top Rated15+ YearsEnterprise
Cloud Migration & Modernization
European managed services provider with U.S. presence offering comprehensive cloud migration and managed services across multiple platforms.
Top Rated15+ YearsLarge Team
Cloud Migration & Modernization
AWS Premier Partner providing comprehensive cloud migration, managed services, and optimization with focus on SMB and mid-market clients.
Top Rated15+ YearsSmall Team
Cloud Migration & ModernizationManaged Cloud Services
Fortune 500 IT services company providing enterprise-scale cloud migration and modernization services across hybrid and multi-cloud environments.
Top RatedGoogle PartnerAWS Partner+3 more
Cloud Migration & ModernizationCybersecurity Services
Cloud migration services provider with 50+ global team members, specializing in comprehensive cloud transformation across AWS, Azure, and Google Cloud.
Top Rated15+ YearsEnterprise
Cloud Migration & ModernizationGenerative AI Development
IBM-owned European cloud provider with multi-cloud expertise across AWS, Azure, and Google Cloud, offering rapid migration assessments.
Top RatedGoogle PartnerAWS Partner+3 more
Cloud Migration & Modernization
Digital consultancy providing cloud migration and transformation services with focus on business outcomes and customer experience.
Top RatedGoogle PartnerAWS Partner+3 more
Cloud Migration & ModernizationData Engineering & Modern Data Stack
Multi-cloud managed services provider with 25+ years experience, offering migration and management across AWS, Azure, Google Cloud, and VMware.
Top Rated15+ YearsEnterprise
Cloud Migration & ModernizationCybersecurity Services
Google Cloud Premier Partner with 20+ years experience, 7-time Global Sales Partner of the Year, specializing in cloud migration and modernization.
Top RatedGoogle PartnerAWS Partner+3 more
Cloud Migration & Modernization
IT consulting and software development company with 22 years in eCommerce, building enterprise solutions for B2B and B2C
Top Rated15+ YearsEnterprise
eCommerce DevelopmentMobile App Development
Cloud migration services provider with decade-long track record, offering comprehensive migration solutions across AWS, Azure, GCP, Oracle, and IBM clouds.
Top Rated15+ YearsMid-Size
Cloud Migration & ModernizationDevOps & CI/CD
Cloud-native transformation specialist providing managed services and migrations across AWS, Azure, and Google Cloud with automation expertise.
Rising Star15+ YearsLarge Team
Cloud Migration & Modernization
Oracle and enterprise applications specialist providing cloud migration services for Oracle Cloud, AWS, Azure, and Google Cloud.
Rising StarAWS Partner15+ Years+1 more
Cloud Migration & Modernization
Business consulting firm providing IT staff augmentation services to scale development teams efficiently without traditional hiring complexity.
Rising Star15+ YearsLarge Team
Staff Augmentation / Dedicated TeamsCloud Migration & Modernization
Cloud cost optimization specialist providing automated instance management and cost reduction services for AWS workloads.
5+ YearsBoutique
Cloud Migration & Modernization
AWS Premier Partner specializing in cloud migration, modernization, and managed services with over 10 years of cloud-native expertise.
15+ YearsSmall Team
Cloud Migration & Modernization
Enterprise AI and product engineering firm specializing in DevOps automation, CI/CD pipelines, cloud migration, and infrastructure as code solutions.
15+ YearsLarge Team
DevOps & CI/CDCloud Migration & ModernizationComplete Top 50 Cloud Migration & Modernization Agencies
Full numbered list of all 50 agencies
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Complete Top 50 Cloud Migration & Modernization Agencies
Full numbered list of all 50 agencies
- 1.Capgemini — New York
- 2.Red Hat Consulting — North Carolina
- 3.Accenture — New Jersey
- 4.Cognizant — New Jersey
- 5.Deloitte — New York
- 6.IBM Consulting — New York
- 7.Infosys — Texas
- 8.NTT DATA Services — Texas
- 9.PwC — New York
- 10.TCS (Tata Consultancy Services) — New York
- 11.ClearDATA — Texas
- 12.66degrees — Illinois
- 13.Slalom — Washington
- 14.Wipro — New Jersey
- 15.Mission Cloud Services — California
- 16.
- 17.Trianz — California
- 18.Contino (part of Cognizant) — New York
- 19.Ensono — Illinois
- 20.RapidScale — New York
- 21.TIAG — Virginia
- 22.Cloudticity — Washington
- 23.Allcloud — Colorado
- 24.CloudHesive — Colorado
- 25.Flux7 — Texas
- 26.Smartronix — Maryland
- 27.Thoughtworks — Illinois
- 28.US Cloud — Utah
- 29.CloudZero — Massachusetts
- 30.ProsperOps — Texas
- 31.2nd Watch (now Ollion) — Washington
- 32.AHEAD — Illinois
- 33.Andersen — New York
- 34.Atos — Texas
- 35.Claranet — Massachusetts
- 36.CloudNexa — New York
- 37.DXC Technology — Virginia
- 38.Kellton — New Jersey
- 39.Nordcloud — California
- 40.Perficient — Missouri
- 41.Rackspace Technology — Texas
- 42.SADA, An Insight Company — Arizona
- 43.ScienceSoft — Texas
- 44.Veritis — Texas
- 45.Cloudreach — Washington
- 46.Apps Associates — Massachusetts
- 47.Claro — Florida
- 48.Xosphere — Massachusetts
- 49.StratusGrid — Tennessee
- 50.Azilen Technologies — California
Top 50 Cloud Migration & Modernization Agencies — FAQ
Common questions about the best cloud migration & modernization agencies.
Who is the #1 cloud migration & modernization agency in the USA in 2026?
As of 2026, the top-ranked cloud migration & modernization agency in the USA on AgencyCluster is Capgemini, with an AgencyCluster Score of 100/100. Rankings are based on verified evidence across credibility, proof of work, reputation, category specialization, delivery maturity, and freshness. Rankings are updated periodically as new evidence becomes available.
How were the top 50 cloud migration & modernization agencies in the USA selected?
This list features 50 agencies selected from AgencyCluster's curated directory. Each agency was evaluated using the AgencyCluster Score (0–100), with particular weight on demonstrated expertise in cloud migration & modernization. Only agencies with verified credentials are eligible, and rankings cannot be purchased. The agencies on this list average 28+ years of experience. For full methodology details, see our How We Rank page.
What should I look for when choosing a cloud migration & modernization agency from this list?
Ask about their migration methodology and how they assess which workloads to rehost, refactor, or rebuild. Check their experience with your source and target platforms. Ask about their approach to minimizing downtime during migration and how they handle data migration for large datasets.
How much do the top cloud migration & modernization agencies typically charge?
Cloud readiness assessments cost $15K–$50K. Application migration projects range from $50K–$300K per major system. Enterprise-wide cloud transformation programs can exceed $500K. Post-migration optimization runs $10K–$30K/month.
Trusted Rankings
Every agency on this list has been reviewed by our editorial team. Rankings are based on our transparent methodology which evaluates credibility, outcomes, and reputation.
No paid rankingsVerified credentialsUpdated regularly
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