Cloud

Best 20 Cloud Migration Companies 

Best 20 Cloud Migration Companies

Introduction 

The cloud has become a default destination for modern IT infrastructures. From startups aiming to scale fast to enterprises modernizing legacy systems, cloud migration is at the core of business growth. But here’s the thing: migrating to the cloud isn’t a one-size-fits-all operation. Each business has its own tech stack, compliance needs, and scaling challenges. That’s why choosing the right cloud migration partner isn’t just important — it’s mission-critical. 

Whether you’re an SMB looking for personalized service or a global corporation needing enterprise-scale support, we’ve curated a list of the best 20 cloud migration companies in 2025. These firms offer a blend of strategy, execution, and innovation to help businesses move to the cloud with confidence. And topping the list is none other than Gart Solutions, a boutique powerhouse known for its tailored cloud expertise and hands-on approach. 

What is Cloud Migration and Why It Matters 

Cloud migration is the process of moving applications, databases, infrastructure, and digital services from on-premise or legacy systems to cloud-based environments such as AWS, Microsoft Azure, or Google Cloud Platform (GCP)

Benefits of cloud migration include: 

  • Reduced IT overhead and operational costs 
  • On-demand scalability 
  • Enhanced performance and agility 
  • Improved disaster recovery and business continuity 
  • Stronger security and compliance frameworks 

Cloud migration isn’t just a technical upgrade — it’s a strategic move that redefines how businesses operate. But without the right partner, the journey can be riddled with challenges, from data loss and downtime to cost overruns and regulatory issues. 

Criteria for Choosing a Top Cloud Migration Partner 

Before we jump into the top companies, here’s what we considered when evaluating cloud migration firms: 

  • Expertise in leading cloud platforms (AWS, Azure, GCP) 
  • Proven track record in cloud adoption and transformation 
  • Focus on security, compliance, and performance optimization 
  • Custom solutions tailored for various industries and business sizes 
  • Innovative use of automation, AI, and DevOps practices 
  • Transparent communication and collaborative approach 
  • Strong post-migration support and optimization services 
Criteria for Choosing a Top Cloud Migration Partner 

Top 20 Cloud Migration Companies in 2025 

Let’s explore the best-in-class cloud migration companies that are making a real impact for businesses in 2025. 

1. Gart Solutions — Boutique Cloud Migration Experts for SMBs and Mid-Market 

Headquarters: Kyiv, Ukraine with a branch in Sweden, Stockholm. 
Founded: 2020 
Specialization: Cloud migration, DevOps, Infrastructure as Code (IaC), Security & Monitoring 
Website: gartsolutions.com 
Employees: 15+ 

If you’re looking for personalized cloud migration services, you won’t find a better partner than Gart Solutions. Unlike large enterprise firms that often take a one-size-fits-all approach, Gart is a boutique cloud consulting firm with a razor-sharp focus on helping small and mid-sized businesses (SMBs) make a seamless transition to the cloud. 

Why Gart Solutions 

Tailored Migration Strategies 

Every business is unique — and Gart knows it. They start with deep discovery and cloud readiness assessments to build custom migration roadmaps aligned with each client’s goals. Gart works with cloud migrations (AWS, Azure, GCP, Hetzner, Digital Ocean and any other cloud), on-prem migration or hybrid migration. 

DevOps and Infrastructure Modernization 

Migration isn’t just about lifting and shifting workloads. Gart engineers refactor, modernize, and optimize cloud architectures using modern DevOps practices. Expect robust CI/CD pipelines, Kubernetes orchestration, and IaC with Terraform or Pulumi for predictable, repeatable deployments. 

Security and Compliance First 

Gart puts security at the heart of every cloud migration. From zero-trust architectures to SOC 2, ISO 27001, GDPR, PCI DSS compliance, they ensure your data and infrastructure meet global standards.  

Global Delivery with a Local Approach 

Even though Gart Solutions is based in Europe, they serve clients across the globe, including North America, the UK, EU and the Middle East. Their team works as an extension of your in-house tech squad, ensuring transparent communication and full collaboration throughout the project. 

Client-First Mindset & Industry-specific solutions  

You won’t be passed off to a junior project manager. The team includes senior cloud engineers, architects, and security specialists who work closely with your business from Day 1. They also try to build more portfolio cases around some industry-specific solutions (Healthcare, Fintech, Greentech, Retail and E-commerce, and more). 

What Clients Say About Gart Solutions 

“Gart was like an extension of our engineering team. They helped us migrate to AWS in record time, set up observability, and automated everything using IaC. I couldn’t recommend them more.” — CTO, SaaS Startup 

“We were drowning in technical debt until we found Gart. Their approach is hands-on, structured, and incredibly effective.” — Head of IT, Healthcare SaaS 

Overall, clients rate Gart on an average of 4.7 out of 5 (based on Clutch testimonials). 

Gart Solutions Core Offerings 

  • Cloud readiness assessment 
  • AWS, Azure, and GCP migration 
  • Hybrid and multi-cloud architecture 
  • Kubernetes and container orchestration 
  • CI/CD pipelines and DevOps automation 
  • Infrastructure as Code (Terraform, Pulumi) 
  • Monitoring and observability (Prometheus, Grafana, ELK) 
  • Cloud cost optimization 
  • 24/7 post-migration support 
     

Review all services on the webpage

Best For: 

  • SMBs and scaleups seeking hands-on cloud expertise 
  • Mid-market companies needing migration plus modernization 
  • Teams looking for fast, secure, and automated cloud migration 

Gart Solutions is redefining what it means to be a cloud migration partner for growing businesses. Their depth of technical knowledge, customer-first culture, and agile approach make them the best choice for 2025. 

2. N-iX — Enterprise Cloud Migration Partner 

Headquarters: Ukraine 
Founded: 2002 
Employees: 2,000+ 

N-iX is one of the most reliable names in cloud migration for enterprise and mid-sized companies. With over two decades of experience, N-iX has worked with many companies, delivering secure, scalable, and efficient cloud migration services across AWS, Azure, and GCP. 

Key Strengths: 

  • Comprehensive cloud migration and modernization 
  • Full-cycle DevOps integration 
  • Industry-specific solutions (Finance, Healthcare, Telecom) 
  • ISO 27001 and PCI DSS certified 

N-iX’s strength lies in their ability to combine business strategy with deep technical execution. They support both lift-and-shift migrations and complex refactoring projects. Their cloud architects design cost-effective, high-performance architectures, reducing long-term operational costs. 

3. Computools — Tailor-Made Cloud Migrations for Innovation-Driven Companies 

Headquarters: USA & Ukraine 
Founded: 2013 
Employees: 300+ 

Computools specializes in data-driven, innovative cloud migration strategies that empower fast-growing companies to leverage the cloud fully. With strong expertise in healthcare, finance, and retail, Computools ensures seamless migration while focusing on business impact. 

Highlights: 

  • Cloud-native transformations 
  • Focus on performance optimization 
  • Agile delivery with a customer-first model 
  • Strong partnerships with AWS, Azure, GCP 

They combine strategy and development with deep industry knowledge, making them ideal for companies undergoing digital transformation

4. Accenture — Enterprise-Scale Cloud Migration at Global Scale 

Headquarters: Ireland 
Employees: 700,000+ 

A global powerhouse, Accenture needs little introduction. Their cloud migration division helps businesses reimagine their IT infrastructure, leveraging a vast pool of resources and proprietary tools to drive large-scale transformations. 

Why Enterprises Choose Accenture: 

  • Extensive domain experience across 40+ industries 
  • Proprietary tools like myNav for cloud optimization 
  • Strong focus on sustainability and governance 

While they are best suited for large enterprises, their solutions are unmatched in scope, especially for multi-national, multi-cloud migrations

5. Capgemini — Agile Cloud Solutions With a Digital-First Focus 

Headquarters: France 
Employees: 340,000+ 

Capgemini combines cloud migration, automation, and DevOps to deliver seamless transitions to cloud ecosystems. Their Cloud Platform Engineering services accelerate migration without compromising security or uptime. 

Strengths: 

  • End-to-end cloud lifecycle management 
  • Scalable DevOps pipelines 
  • Hybrid and multi-cloud solutions 

They are a top choice for companies undergoing full digital transformation, particularly in regulated industries like banking and energy. 

6. IBM — AI-Enhanced Hybrid Cloud Migrations 

Headquarters: USA 
Employees: 288,000+ 

IBM stands out for its AI-powered hybrid cloud migration solutions, built around the Red Hat OpenShift ecosystem. They offer enterprise-grade cloud migration services, especially for complex legacy systems. 

Features: 

  • Deep industry compliance (HIPAA, SOC 2, GDPR) 
  • Strong hybrid and edge computing support 
  • Integration with Watson AI and IBM Security 

IBM is ideal for organizations that want more than just migration—they want transformation

7. Deloitte — Strategic Cloud Migration with Business Impact 

Headquarters: USA 
Employees: 450,000+ 

Deloitte brings a business-first lens to cloud migration. As a top consulting firm, they bridge the gap between business goals and technical execution. 

Why They Matter: 

  • Cloud strategy aligned with business KPIs 
  • Advanced analytics and AI integration 
  • Compliance-heavy cloud deployments 

Best for companies needing strategic guidance plus technical implementation

8. Infosys — Agile, Automated, and Cost-Effective Migration 

Headquarters: India 
Employees: 335,000+ 

Infosys combines automation, cloud-native architecture, and domain knowledge to make migrations faster and smarter. 

Top Benefits: 

  • Strong in financial services, insurance, and healthcare 
  • Cloud adoption frameworks tailored by industry 
  • Automation-first strategy for reduced downtime 

Infosys is especially good for large-scale migrations requiring multi-team coordination and automation

9. Wipro — Cloud Innovation with a DevOps Backbone 

Headquarters: India 
Employees: 250,000+ 

Wipro focuses on delivering intelligent cloud transformation through DevOps, containerization, and AI. Their LiVE Workbench platform simplifies and accelerates cloud adoption. 

Services: 

  • Legacy modernization 
  • CloudOps and observability 
  • Smart security and compliance solutions 

With deep engineering DNA, Wipro suits companies aiming to optimize performance post-migration

10. Tata Consultancy Services (TCS) — Global Scale, Personalized Support 

Headquarters: India 
Employees: 600,000+ 

TCS helps businesses become cloud-native through mature cloud migration and modernization frameworks. Their Machine First Delivery Model (MFDM) enables rapid, automated transformations. 

Perks: 

  • Advanced cloud analytics 
  • Migration accelerators for AWS, Azure, GCP 
  • Dedicated cloud units for BFSI, retail, and manufacturing 

TCS is ideal for enterprises needing scale, structure, and strong execution

11–20: Other Notable Cloud Migration Companies 

Here’s a quick roundup of the next 10 cloud migration leaders making a difference: 

Company Highlights 
Cognizant Data-heavy migrations and compliance for healthcare and finance 
Cloudreach AWS and Azure cloud-native migration with DevOps and automation 
SADA Premier Google Cloud Partner with strong GCP-focused cloud migration 
Nordcloud European cloud consultancy specializing in multi-cloud and hybrid setups 
Logicworks Enterprise-grade AWS cloud migrations and cloud governance 
Rackspace Technology Managed cloud and end-to-end migration services with 24/7 support 
Slalom Business-driven migration strategies, strong in agile consulting 
DoiT International GCP and AWS migration + cost optimization tools 
ClearScale AWS Advanced Partner focused on app modernization and cloud-native design 
SoftServe Eastern Europe-based with strong engineering and cloud advisory services 

Comparison Table of Top 20 Cloud Migration Companies 

Company Platforms Best For Services Provided 
Gart Solutions AWS, Azure, GCP, Hetzner, Digital Ocean SMBs & Mid-Market Cloud migration, DevOps, IaC, Monitoring 
N-iX AWS, Azure, GCP Enterprises Cloud transformation, DevOps 
Computools AWS, Azure, GCP Innovators, Startups Cloud-native, AI integration 
Accenture AWS, Azure, GCP Large Enterprises Full-stack migration + AI 
Capgemini AWS, Azure Enterprises Hybrid cloud, DevOps 
IBM Hybrid cloud Enterprises with legacy systems Hybrid cloud, AI, edge 
Deloitte Multi-cloud Strategy-first companies Cloud transformation, analytics 
Infosys AWS, Azure, GCP Cost-conscious enterprises Automation, modernization 
Wipro AWS, Azure, GCP Engineering-driven firms DevOps, containerization 
TCS AWS, Azure, GCP Global organizations Accelerated migration, cloud-first 
Cognizant AWS, Azure Heavily regulated industries Compliance-focused migration 
Cloudreach AWS, Azure Fast-moving cloud-native teams DevOps, automation 
SADA GCP GCP-only shops Migration, cloud consulting 
Nordcloud AWS, Azure, GCP European enterprises Hybrid and multi-cloud strategies 
Logicworks AWS Enterprises with mission-critical apps Governance, compliance 
Rackspace Technology AWS, Azure, GCP Companies needing managed cloud End-to-end cloud + support 
Slalom Multi-cloud Agile and mid-sized firms Cloud consulting + training 
DoiT International AWS, GCP Startups and SaaS companies Cost optimization, automation 
ClearScale AWS App modernization needs Cloud-native architecture 
SoftServe AWS, Azure Mid-size tech organizations Custom migrations, DevOps 

Top 50 Cloud Migration Companies by Region (2026 Edition)

# Company Name Region HQ Location Core Strengths 
Gart Solutions Europe Estonia / Ukraine Boutique SMB migration, DevOps, IaC, Kubernetes, 24/7 support 
N-iX Europe Ukraine Enterprise transformation, AWS/Azure/GCP, ISO-certified 
Computools Europe Ukraine / Poland Custom cloud services, AI, fintech & health focus 
SoftServe Europe Ukraine Digital engineering, hybrid cloud, data-heavy migrations 
Intellias Europe Ukraine Multi-cloud migration, automotive, retail & logistics 
Sigma Software Europe Sweden / Ukraine Full-service IT with cloud modernization expertise 
Nordcloud Europe Finland Hybrid/multi-cloud, automation, part of IBM group 
Cloudreach Europe / USA UK AWS & Azure migration, DevOps, security 
Scalefocus Europe Bulgaria Tailored digital transformation, hybrid cloud 
10 Netguru Europe Poland Cloud-native dev & consultancy for startups 
11 Avenga Europe Germany / Ukraine Regulated industry migration, cloud QA & architecture 
12 Future Processing Europe Poland Custom cloud consulting, nearshore partner 
13 Elinext Europe / Asia Belarus / Vietnam Cloud migration for finance & manufacturing 
14 Accenture USA Ireland / Global Enterprise transformation, AI integration, compliance-first 
15 IBM USA USA Hybrid cloud, Red Hat OpenShift, AI-powered cloud 
16 Deloitte USA USA Strategy-led enterprise migrations, analytics, regulatory compliance 
17 ClearScale USA USA (San Francisco) AWS-focused, app modernization, DevOps 
18 Rackspace Technology USA USA Managed cloud + migration, FinOps 
19 SADA USA USA (California) GCP-exclusive partner, GKE, analytics migration 
20 Slalom USA USA (Seattle) Agile cloud consulting, startup to enterprise migration 
21 Logicworks USA USA (New York) AWS governance, compliance, finance-heavy workloads 
22 Mission Cloud USA USA (Los Angeles) AWS migration, security-first solutions 
23 Onix Networking USA Ohio, USA GCP expertise, Google Workspace & enterprise GCP migration 
24 2nd Watch USA Washington, USA AWS & Azure enterprise migration, modernization services 
25 BairesDev LATAM Argentina / USA Nearshore teams, agile cloud migration 
26 PSL Corp LATAM Colombia Full cloud stack, regulatory markets, DevOps 
27 Hexacta LATAM Argentina Data-heavy migrations, regulated industry apps 
28 Arkano Software LATAM Uruguay Microsoft cloud migration, Power Platform 
29 Belatrix (Globant) LATAM Peru / Argentina App modernization + cloud-native expertise 
30 UruIT LATAM Uruguay / Colombia Boutique cloud consultancy, modern SaaS migrations 
31 Infosys India India Automation-first, enterprise migration 
32 Wipro India India DevOps-first migrations, cost optimization 
33 TCS India India Global delivery, legacy migration, multi-cloud 
34 HCL Technologies India India Hybrid cloud transformation, security-centric 
35 Tech Mahindra India India Telecom-specific migration, AI-driven solutions 
36 Mindtree India India AWS & Azure migration, CX modernization 
37 Larsen & Toubro Infotech India India Cloud + app modernization for global enterprises 
38 Zensar Technologies India India BFSI and e-commerce cloud transformation 
39 Mphasis India India Infrastructure and app transformation 
40 Altimetrik India / USA India / Michigan Agile cloud delivery for digital-first orgs 
41 SoftwareONE Europe / Global Switzerland Cloud license management, cloud migration 
42 Dev.Pro Europe / USA Ukraine / US Cloud migration for startups and scaleups 
43 DoiT International USA / Israel Global (Remote-first) AWS/GCP, cost optimization, migration insights 
44 Innowise Group Europe Belarus / Poland Custom enterprise cloud migration 
45 EPAM Systems Europe / Global Belarus / USA Cloud engineering at scale, Fortune 100 clients 
46 Kyndryl Global USA (Spinoff of IBM) Enterprise-scale infrastructure migrations 
47 Virtasant USA / Remote USA Fully remote, DevOps, Kubernetes, AWS excellence 
48 DevOpsGroup (now Amdaris) Europe UK DevOps-focused cloud migration 
49 Netrix Global USA USA Microsoft partner, managed cloud + security 
50 Cloud4C APAC / Global Singapore / India End-to-end cloud migration, DRaaS, FinOps 

Use Cases by Region 

  • Europe: Strong mix of enterprise players and high-skill boutique firms in Ukraine, Poland, and Nordics. 
  • USA: Heavy on cloud-native and compliance-first firms for high-security migrations and regulated industries. 
  • LATAM: Focused on nearshore delivery, lower cost, and cultural compatibility with North America. 
  • India: Known for global delivery models, automation-first frameworks, and competitive pricing. 
  • Asia-Pacific / MEA: Rising in DRaaS, financial services, and sovereign cloud initiatives. 

Top Picks by Region 

Category Top Company 
Best in Europe Gart Solutions (Estonia / Ukraine) 
Best in USA Accenture / ClearScale 
Best in LATAM BairesDev / PSL Corp 
Best in India Infosys / TCS 
Best for GCP SADA / DoiT International 
Best AWS Partner Gart Solutions / Mission Cloud 
Best for Hybrid Cloud IBM / HCL Technologies 
Best for SMBs Gart Solutions / Netguru 

Common Cloud Migration Challenges and How Top Firms Solve Them 

Let’s be honest — cloud migration isn’t all sunshine and rainbows. It comes with its fair share of challenges. But what separates the best cloud migration companies from the rest is how they proactively solve these problems

1. Downtime and Business Disruption 

Downtime equals lost revenue. Top firms mitigate this with: 

  • Phased migrations (migrate workloads in small batches) 
  • Parallel environments (run cloud and on-prem side-by-side temporarily) 
  • Continuous testing and rollback strategies 

2. Data Loss and Incomplete Transfers 

This is every CTO’s nightmare. Leading firms ensure: 

  • Full data backups before migration 
  • Data validation post-migration 
  • Real-time replication to avoid loss 

3. Compliance and Regulatory Issues 

Especially in sectors like healthcare, finance, and government, compliance is non-negotiable. Top providers offer: 

  • Built-in compliance checks (HIPAA, GDPR, SOC 2) 
  • Encrypted data handling and secure access control 
  • Regular audits and documentation 

4. Cloud Cost Sprawl 

Without careful planning, cloud bills can get out of hand. The best cloud migration partners: 

  • Analyze current infrastructure and recommend optimal instance types 
  • Set up budget alerts and autoscaling 
  • Offer ongoing cloud cost optimization 

5. Legacy Application Modernization 

Moving a legacy system to the cloud often requires code refactoring or containerization. Leading companies: 

  • Re-architect outdated systems for cloud compatibility 
  • Use microservices, serverless, or Kubernetes for agility 
  • Document everything for easy maintenance 

In short, these challenges are real, but entirely solvable when you have a seasoned partner guiding the way. 

Future Trends in Cloud Migration 

The cloud migration landscape is constantly evolving. As businesses become more data-driven and reliant on AI, the approach to migration is also changing. Here’s a peek into what the future holds: 

AI and Automation-Driven Migrations 

Expect more use of AI-powered cloud discovery tools, automated provisioning, and self-healing infrastructures. This reduces human error and accelerates timelines dramatically. 

Hybrid and Multi-Cloud Dominance 

Instead of going all-in on a single provider, businesses are embracing multi-cloud (e.g., AWS + Azure) and hybrid cloud setups to boost resilience, reduce vendor lock-in, and optimize performance. 

Cloud FinOps and Cost Optimization 

Cloud FinOps is becoming a discipline. Organizations are building internal teams focused on cloud spending governance, ROI analysis, and real-time optimization. 

Security-as-Code 

Cloud-native security tools like AWS Security Hub, Azure Sentinel, and GCP Security Command Center will play a central role in automating compliance and threat detection. 

Edge Computing Integration 

As latency becomes a priority (think IoT, AR/VR), many companies will offload data processing to edge locations — closer to the source, while central systems stay cloud-hosted. 

Top cloud migration companies are already adapting to these trends and preparing clients for what’s next. 

How to Choose the Right Partner for Your Business 

With dozens of great companies out there, how do you pick the right one for your needs? Here’s a quick framework: 

Start with Your Business Size and Complexity 

  • SMBs & scaleups? Go for boutique firms like Gart Solutions who offer hands-on, tailored solutions. 
  • Large enterprises? Companies like Accenture or IBM can handle large-scale legacy systems and compliance needs. 

Define Your Cloud Goals 

Are you just lifting and shifting or planning to modernize your stack? Need DevOps and IaC built-in? Make sure the vendor specializes in what you need, not just what they offer. 

Ask the Right Questions 

  • Can you show me similar migration case studies? 
  • How do you handle downtime and rollbacks? 
  • What’s your plan for security and compliance? 
  • Do you offer post-migration support and cost optimization? 

Don’t Compromise on Communication 

Pick a team that communicates clearly, documents everything, and works collaboratively. The best tech in the world can’t save a project if the team can’t talk to you. 

Conclusion 

Choosing the right cloud migration partner is the difference between successfully scaling your infrastructure and drowning in unexpected costs and outages. 

In this list of the Best 20 Cloud Migration Companies in 2025, we’ve covered a wide range— from large-scale global consultancies like Accenture and IBM to agile, hands-on partners like Gart Solutions, which stands out for its deep technical expertise and boutique service for SMBs and mid-market companies. 

Whether you’re planning a simple lift-and-shift or a full-blown cloud-native modernization, the key is to partner with a team that understands your business, aligns with your goals, and walks with you every step of the way. 

FAQ

What is the average cost of cloud migration?

The cost varies widely depending on scope, infrastructure complexity, and data volume. For SMBs, migrations can range from $10,000 to $100,000. Enterprise projects can go beyond $1M.

How long does a cloud migration take?

A small-scale migration might take 2–4 weeks, while complex migrations involving legacy systems can take 6–12 months.

What are the most common challenges during migration?

Downtime, data loss, unexpected costs, and compliance issues are the biggest challenges. Partnering with experienced migration firms helps mitigate these risks.

Can small businesses benefit from cloud migration?

Absolutely. SMBs gain agility, cost efficiency, and scalability. Firms like Gart Solutions specialize in making the process smooth and affordable for smaller teams.

Do cloud migration companies offer support after migration?

Yes, the best ones do. They provide monitoring, performance optimization, cost control, and even DevOps support after the initial move.
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