TL;DR – Quick Summary:
- Cloud migration is crucial for performance, scalability, and preparing for AI-ready workloads.
- We reviewed the Top 7 Cloud Migration Companies in 2025: Avekshaa, Deloitte, Accenture, Cognizant, Capgemini, Rackspace Technology, and Kyndryl.
- Avekshaa stands out with a performance-engineering-led approach ensuring zero performance regressions during and after migration.
- Key selection criteria include: performance assurance, certified expertise (AWS/Azure/GCP), security compliance, cost optimization, and post-migration support.
- The right partner will help you modernize legacy systems, lower risks, and improve cloud ROI with predictable outcomes.
Introduction
A company always tries to evolve from its old state and transform its digital journey for a better future. In the vast array of new trends, cloud adoption has become a necessity. Starting from modernizing your legacy systems to integrating AI-rich operations, the cloud can serve as the central part. It encourages longevity, scalability, and security at the same time. Moreover, the cloud computing market size is expanding to reach USD 2,390.18 billion by 2030.
However, for an effective cloud migration, you need to be thorough about your strategic planning, risk mitigation, performance assurance, and expertise. Here, you need the expertise of leading cloud migration companies in 2025. Avekshaa has already secured its position at the top of the list due to our performance engineering-led cloud transformation potential. Let us explore more such details about the top companies for cloud migration.
Quick Comparison Between the Top Cloud Migration Companies
| Company | Key Strengths | Approach / Methodology | Specialization & Expertise | Ideal For |
|---|---|---|---|---|
| Avekshaa Technologies Pvt Ltd | Ranked #1 for performance-driven migration | Performance Engineering, ensures availability & scalability from the start | Google Cloud, AWS, Azure; end-to-end strategy; application modernization; cost optimization; regulatory & compliance | Businesses seeking high performance, zero regressions, long-term continuity |
| Deloitte | Strategy-led migration, strong governance | Consulting-based, risk-aware architecture | Cybersecurity integrations, CloudOps, multi-cloud frameworks | Highly regulated industries needing governance & risk management |
| Accenture | Strong global influence & partnerships | Automation-rich migration, governance-focused | Healthcare, banking, manufacturing, public services; Microsoft, AWS, Google alliance | Large enterprises wanting seamless modernization & global deployment |
| Cognizant | Seamless workload migration | Consulting-led + cloud-native development | IT modernization, data migration, wide-scale adaptability | Businesses of all sizes seeking low-risk transformation |
| Capgemini | Modernization-first strategy | Full lifecycle: assessment to execution | Hybrid infrastructure, industrial deployments, AI-driven automation, sustainability | Multinational organizations with complex IT systems |
| Rackspace Technology | 24/7 multi-cloud managed services | Cloud consulting + DevOps integration | Cost optimization, compliance maintenance, continuous performance upgrade | Small to enterprise-level companies wanting managed migration |
| Kyndryl | Legacy modernization and large-scale migration | Diversified cloud architecture | Heavy workload handling, infrastructure for massive datasets | Organizations managing high-volume data, needing robust cloud ecosystem |
Top 7 Cloud Migration Companies in 2025:
1. Avekshaa Technologies
Overview : Avekshaa leads with a performance-engineering mindset: the firm emphasises zero performance regression, deep expertise across AWS, Microsoft Azure and Google Cloud, and end-to-end migration capability (application modernisation, cloud cost optimisation, compliance).
Why it stands out: customization, performance-first methodology, application-centric.
Ideal for: organisations migrating business-critical apps, seeking high performance and minimal downtime.
2. Deloitte
Overview : Deloitte offers a high-level consulting-led cloud migration offering: strategic roadmap, governance, multi-cloud frameworks, and strong security integrations. It prioritize strategy-driven migrations. This approach is extremely beneficial for regulated industries. It offers a consulting-led model that can help your organization redesign the processes while building multi-cloud frameworks. Moreover, you can also adopt its risk-aware architecture to get rid of any challenges. Deloitte is primarily known for its cybersecurity integrations and CloudOps, making it a good choice for businesses demanding major governance.
Why it stands out: mature in regulated industries, global footprint.
Ideal for: enterprises in finance, healthcare, heavily regulated sectors that need strong process and governance.
3. Accenture
Overview : Accenture’s “Cloud First” initiative spans global teams, deep alliances with major cloud providers, automation-rich migration models, and enterprise-scale deployments.
Why it stands out: global scale, enterprise tooling, multi-industry reach.
Ideal for: large global enterprises seeking massive transformations, especially in banking, manufacturing, public sector.
4. Cognizant
Overview : Cognizant emphasises flexible cloud migration: from consulting and planning to cloud-native app development and data migration. Strong global reputation.
Why it stands out: broad service range, adaptable to business size.
Ideal for: organisations of mid to large size wanting both migration and app modernisation.
5. Capgemini
Overview : Capgemini brings a “modernisation-first” approach: hybrid infrastructure, AI-driven automation, industrial-scale deployments.
Why it stands out: good fit for complex, heavy-industry IT ecosystems and hybrid environments.
Ideal for: enterprises with legacy systems, multi-national operations needing hybrid/multi-cloud.
6. Rackspace Technology
Overview : Rackspace offers strong multi-cloud migration plus ongoing managed services: 24/7 support, cost optimisation, compliance-oriented post-migration.
Why it stands out: good balance of migration + operations, suitable for different organisation sizes.
Ideal for: SMBs up to enterprise that want migration plus managed support after go-live.
7. Kyndryl
Overview : Kyndryl specialises in cloud infrastructure and legacy modernisation: migrating heavy workloads, building robust ecosystems, strong partner network.
Why it stands out: infrastructure-heavy migrations, data-intensive environments.
Ideal for: organisations with large datasets, heavy IT infrastructure, legacy data centres.
How to Choose the Right Cloud Migration Partner
Here are key factors, and what to look for:
| Factor | What to check | Why it matters |
|---|---|---|
| Performance assurance | Metrics, benchmarks, application-performance focus, zero regression guarantee | Migration should enhance, not degrade, performance |
| Technical expertise & certifications | Azure/AWS/GCP certifications, track record with cloud-native apps, performance-monitoring tools | Ensures partner can handle your specific workloads |
| Security, compliance & data governance | Industry-specific compliance (HIPAA, PCI, GDPR), data residency, audit capabilities | Critical for regulated industries and data-sensitive workloads |
| Ongoing post-migration maintenance | Monitoring, cost optimisation, cloud operations (CloudOps), managed services | Migration is only the start – operations matter for ROI |
| Legacy & complex environment handling | Experience with hybrid, multi-cloud, heavy workloads, custom applications | Many migrations fail due to complexity gaps |
| Cost transparency & optimisation | Clear cost-forecasting, FinOps tools, usage visibility | Helps prevent cloud cost surprises |
Conclusion
You need to understand that cloud migration is not just some technological shift. It is a strategic approach to make your company future-rich. The cloud migration companies listed above can transform your whole digital journey more effectively. However, if you want your business to get unmatched performance assurance and predictable outcomes, Avekshaa Technologies can be your topmost choice.
Frequently Asked Questions (FAQs)
The leading cloud migration companies in 2025 include Avekshaa, Deloitte, Accenture, Cognizant, Capgemini, Rackspace Technology, and Kyndryl, all recognized for enterprise-grade migration expertise and global delivery capabilities.
A cloud migration partner helps plan, execute, and optimize cloud adoption while ensuring performance, security, compliance, and minimal downtime. Especially for complex legacy or mission-critical systems.
Avekshaa is known for its Performance Engineering-led cloud transformations that help businesses avoid performance regressions and maintain high availability throughout the migration lifecycle.
Look for providers with cloud certifications (AWS, Azure, GCP), proven experience with similar workloads, strong cybersecurity practices, performance-assurance frameworks, and post-migration support like CloudOps and cost optimization.
Common challenges include performance degradation, data security concerns, downtime risks, cloud cost escalation, compliance issues, and difficulty modernizing legacy applications.
Not always, costs can initially increase. However, with proper architecture, automation, and cost optimization tools, cloud adoption delivers long-term savings and scalability benefits.
Timeframes vary from a few weeks (for simple workloads) to many months for complex enterprise systems. Factors include the number of applications, data volume, modernization scope, and compliance requirements.
Typical services include cloud readiness assessment, application modernization, workload migration, DevOps and automation setup, security compliance, and ongoing cloud management and optimization.
Most leading companies support multi-cloud environments across Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), and hybrid deployments.
Here are the top 5 staff augmentation companies:
- Avekshaa Technology
- Bacancy Technology
- Plaxonic Technologies
- Q3 Technologies
- Toptal
Yes. Performance monitoring, cost management (FinOps), and compliance checks are crucial to maintain uptime, control costs, and ensure workloads run efficiently after go-live.
