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Top 12 Cloud Migration Service Providers (Updated for 2025)

In This Guide:

Below is a curated list of 12 leading providers for cloud migration services, split between full-service consulting firms and niche specialists. Each provider is chosen based on customer reviews (G2, Gartner Peer Insights, TrustRadius), industry analyst recognition (Forrester, Gartner, IDC), capabilities (breadth vs. specialization), key strengths (performance, scalability, security, etc.), and global reach. We include why each made the cut, along with notable strengths and weaknesses. These details are updated as of Feb, 2025. If you have corrections or suggestions, please send an email to [email protected] and please include the URL for the page.

Introduction

Cloud migration is a critical step in digital transformation, enabling organizations to boost agility, reduce costs, and drive innovation. This guide is tailored for IT decision-makers looking to understand the landscape of cloud migration service providers. We base our evaluation on insights from customer reviews, industry analyst reports, and a mix of full-service and niche specialists. This article will help you navigate your options with clear, data-driven insights.

What Is Cloud Migration?

Cloud migration is the process of moving applications, data, and workloads from on-premises systems or legacy infrastructures to cloud-based environments. This transition not only modernizes IT operations but also unlocks benefits like scalability, cost savings, enhanced security, and improved performance. While the move offers many advantages, organizations must also address challenges such as integration complexities, downtime risks, and ensuring robust data security throughout the transition.

How We Chose

In evaluating cloud migration service companies, we consider a comprehensive set of criteria that addresses both technical and business priorities. We focus on performance and scalability, ensuring providers can handle diverse workloads and large-scale projects; security and compliance, to guarantee robust measures and adherence to regulatory standards; and the quality of support and expertise, which is essential for effective customer service and consulting. Additionally, we assess cost and value, looking for competitive pricing and a strong return on investment, as well as innovation and technology—specifically the use of unique tools, accelerators, and advanced methodologies. A provider’s global footprint is also key, ensuring the capability to support multinational organizations, and we carefully review customer and industry mentions from reputable sources such as G2, Gartner Peer Insights, and leading analyst reports. Finally, we include bonus “surprise picks,” recognizing niche specialists that excel in targeted areas despite lower overall market visibility.

Full-Service Cloud Migration Providers

These are large, end-to-end IT service firms with broad cloud expertise across multiple platforms. They typically offer comprehensive migration, modernization, and managed services on a global scale.

1. Accenture – Full-Service Leader

Why Chosen: Accenture is a global consulting giant frequently recognized as a leader in cloud migration solutions. In a recent Forrester Wave, Accenture earned the highest scores in current offering, strategy, and market presence among Asia-Pacific cloud migration providers (Accenture Named a Leader in Cloud Migration and Managed Services in Asia Pacific by Leading Independent Research Firm). Analysts praise Accenture’s “scale, broad capabilities, and deep partnerships [with hyperscalers] that are hard to match.” Accenture’s cloud-first approach and extensive experience across 40+ industries make it a top choice for complex migrations (Accenture Named a Leader in Cloud Migration and Managed Services in Asia Pacific by Leading Independent Research Firm) (Accenture Named a Leader in Cloud Migration and Managed Services in Asia Pacific by Leading Independent Research Firm). Customers in regulated and complex industries value Accenture’s balanced technical and business acumen (Accenture Named a Leader in Cloud Migration and Managed Services in Asia Pacific by Leading Independent Research Firm) (Accenture Named a Leader in Cloud Migration and Managed Services in Asia Pacific by Leading Independent Research Firm), and G2 reviewers highlight its personalized, “surprisingly easy” migration process with strong communication (Accenture Pros and Cons | User Likes & Dislikes). Accenture has a presence in over 120 countries and a vast talent pool, underscoring its global reach (Accenture Named a Leader in Cloud Migration and Managed Services in Asia Pacific by Leading Independent Research Firm).

2. IBM (IBM Consulting & Kyndryl) – Full-Service/Hybrid Cloud Expert

Why Chosen: IBM brings decades of enterprise IT experience and is a leader in hybrid-cloud migration, bolstered by its spin-off Kyndryl for infrastructure services. IBM’s cloud transformation services carry a high 4.7/5 rating on Gartner Peer Insights (based on ~100 reviews) (Best Public Cloud IT Transformation Services Reviews 2025 | Gartner Peer Insights), indicating strong customer satisfaction. Clients praise IBM’s organized, 24/7 available teams and “lower project cost” in some engagements (IBM Consulting Reviews 2025: Details, Pricing, & Features | G2). IBM’s deep technical R&D (e.g. Red Hat integration) and industry-specific solutions earn it industry recognition – it’s consistently ranked among leaders in Gartner’s Magic Quadrant for cloud transformation (IBM Ecosystem & Offerings | HCLTech). IBM operates in 60+ countries, giving it global delivery capability. Its focus on innovation (AI, automation) and robust security/compliance makes IBM a go-to for large enterprises modernizing legacy systems to cloud.

3. Deloitte – Full-Service Consulting & Transformation

Why Chosen: Deloitte is a global professional services network highly regarded for cloud transformation strategy and execution. Gartner’s 2024 Magic Quadrant named Deloitte a Leader with the furthest completeness of vision among public cloud IT transformation providers (Gartner® Magic Quadrant™: Public Cloud IT Transformation …). Deloitte’s cloud practice (often branded as “Deloitte Cloud”) leverages its strengths in business consulting and change management on top of technical migration – an approach noted for delivering transformational outcomes, not just lift-and-shift. On G2, Deloitte’s cloud services are rated ~4.1/5, and comparisons between providers show Deloitte excels in “overall execution ability” (scoring 8.8/10, slightly above peers) (Compare Accenture vs. Deloitte Consulting | G2). Clients frequently cite Deloitte’s strong change management and technology partnerships – it scored a high 9.4/10 in breadth of cloud vendor partnerships (Compare Accenture vs. Deloitte Consulting | G2), indicating an ability to integrate diverse cloud tools. Deloitte’s global presence (150+ countries via member firms) and experience in regulated industries make it a reliable full-service partner.

  • Strengths: Holistic approach – integrates cloud migration with business process re-engineering, user adoption, and governance (beyond pure tech migration) (Cloud Migration – Deloitte). Praised for change management and adaptability, where it outranks competitors (Compare Accenture vs. Deloitte Consulting | G2). Strong alliances with major cloud providers; Deloitte’s technology partnership strength was rated above Accenture’s in one G2 analysis (Compare Accenture vs. Deloitte Consulting | G2), enabling it to bring advanced cloud capabilities and integrations. Good execution track record – a customer moving from on-prem to cloud noted the migration was “flawless” (Deloitte Cloud ERP Services Reviews, Ratings & Features 2025).
  • Weaknesses: Costs tend to be high due to Deloitte’s premium consulting model and large multidisciplinary teams. Some users have noted that Deloitte’s training and go-live support can lag behind peers (e.g. training services scored 6.7 vs. 8.1 for a competitor) (Compare Accenture vs. Deloitte Consulting | G2), which suggests room for improvement in hand-holding clients post-migration. As with any big firm, project success may hinge on the specific Deloitte team assigned; a few reviews mention variability in depth of technical expertise in niche areas.

4. Wipro – Full-Service IT Provider (Cloud Focus)

Why Chosen: Wipro is a leading India-based IT services company that has made cloud modernization a core focus (branded under “Wipro FullStride Cloud”). Wipro was recognized as a Leader in Gartner’s 2023 Magic Quadrant for Public Cloud IT Transformation Services (cloud transformation journey, cloud business transformation, cloud transformation solutions, cloud transformation services – Wipro), highlighting its vision and execution. Gartner noted that Leaders like Wipro have a proven “track record of delivering high-quality, cloud-native modernization and managed services” (cloud transformation journey, cloud business transformation, cloud transformation solutions, cloud transformation services – Wipro). Customers similarly applaud Wipro’s cloud capabilities: on Gartner Peer Insights, Wipro’s cloud transformation services carry a 4.4/5 rating (Best Public Cloud IT Transformation Services Reviews 2025 | Gartner Peer Insights), with one customer stating “Wipro’s cloud capabilities are excellent” and that Wipro did “a great job with our Cloud Transformation program.” (Wipro Public Cloud IT Transformation Services Reviews – Gartner) Wipro offers end-to-end migration (strategy, migration, DevOps, cloud management) across AWS, Azure, GCP, and hybrid environments. With 250,000 employees in over 60 countries (cloud transformation journey, cloud business transformation, cloud transformation solutions, cloud transformation services – Wipro), Wipro combines global scale with cost-effective delivery, making it popular for large migrations and app modernization, especially in banking, retail, and other domains where it has domain expertise.

  • Strengths: Comprehensive migration framework – Wipro handles assessment, planning, migration, security, and optimization, often using automation tools to accelerate each stage. It has an “extensive hyperscaler partnership ecosystem” (strategic partnerships with AWS, Microsoft, Google, etc.) allowing tailored, cloud-agnostic solutions (cloud transformation journey, cloud business transformation, cloud transformation solutions, cloud transformation services – Wipro). Wipro invests heavily in improving delivery quality through AI and automation to reduce costs ([PDF] Magic Quadrant for Public Cloud IT Transformation Services), which can benefit clients via faster, more efficient migrations. Customers also cite Wipro’s flexibility and willingness to customize solutions – a key strength for complex enterprise needs.
  • Weaknesses: As a large service provider, Wipro can face the usual challenges of consistency – success may depend on getting the right skilled team for a given project. (One Peer Insights reviewer advised ensuring Wipro’s resources match the project needs for best results (IBM Consulting Reviews 2025: Details, Pricing, & Features | G2).) While generally cost-competitive compared to Western firms, Wipro’s projects can still run into budget expansions if not tightly managed. Lastly, Wipro historically had a stronger presence in application and infrastructure management than in consulting; some clients might seek more upfront strategic guidance (an area where Wipro has been improving via acquisitions and by leveraging its consulting arm).

5. Tata Consultancy Services (TCS) – Full-Service Global SI

Why Chosen: TCS is one of the world’s largest IT services firms and a pioneer in executing large-scale cloud migrations, especially in complex enterprise environments. TCS is rated 4.5/5 on Gartner Peer Insights for cloud transformation services (Best Public Cloud IT Transformation Services Reviews 2025 | Gartner Peer Insights) and was included among top providers in Gartner’s assessments (Best Public Cloud IT Transformation Services Reviews 2025 | Gartner Peer Insights). Known for its process-driven approach (the “Machine First” delivery model and automation through ignio™, etc.), TCS excels at migrating legacy systems (ERP, mainframes, etc.) to cloud with minimal disruption. It has a strong global footprint across 50+ countries and all major industries. TCS was a Visionary/Leader in earlier Gartner MQs and continues to be shortlisted for large multi-year transformation deals. We include TCS for its sheer scale of capabilities – from cloud advisory and architecture to migration execution and managed services – and for its high volume of positive customer feedback. For example, one enterprise client noted TCS delivered a “least disruptive” migration experience for a complex Oracle system (Capgemini Oracle Cloud Application Services Reviews – Gartner). TCS’s focus on talent development (e.g. thousands of cloud certifications among staff) and frameworks for cloud governance add to its strengths.

  • Strengths: Operational excellence at scale – TCS can mobilize large teams quickly and has well-honed frameworks to migrate and manage applications in AWS, Azure, GCP, and private clouds. Known for reliability: clients report TCS migrations are executed with “no major bugs or issues” and end-users often see improvements post-move (Capgemini Data Center Outsourcing and Hybrid Infrastructure …). TCS’s cost efficiency and offshore leverage can make it a value choice for big migrations. It also offers strong post-migration support and optimization, helping clients continuously improve performance and cost (leveraging analytics and AI).
  • Weaknesses: TCS’s consultative and innovative capabilities, while growing, can lag behind firms like Accenture or Deloitte – it’s often seen as stronger in execution than in upfront cloud strategy. Some customers may find TCS to be conservative, sticking to tried-and-true methods (which is good for risk mitigation, but possibly slower to adopt cutting-edge cloud-native approaches). Like peers, communications in a large TCS project need careful management to avoid any “big firm” bureaucracy; however, TCS has been improving agility via its Agile working methods. Overall, few specific weaknesses are cited by customers beyond the general need for tighter coordination on large global projects.

6. Capgemini – Full-Service European Leader

Why Chosen: Capgemini is a France-headquartered IT consulting firm with a strong global presence and a robust cloud services portfolio (bolstered by its acquisition of Altran and others). Capgemini has been identified as a leader in various cloud-related services; it scored 4.4/5 on cloud transformation in Gartner Peer Insights (Best Public Cloud IT Transformation Services Reviews 2025 | Gartner Peer Insights), and clients highlight its skilled people and smooth migrations. One review noted Capgemini “did a great job providing the right experienced and skilled people to perform the migration of our platform to the cloud.” (Capgemini Public Cloud IT Transformation Services Reviews – Gartner) Capgemini’s strengths lie in cloud strategy, application modernization, and managing hybrid cloud environments. They are known for frameworks like Cloud Assessment 360 and strong partnerships in AWS, Azure, Google Cloud, and even industry-specific clouds. Capgemini’s global reach (300k+ employees in 50 countries (Best Public Cloud IT Transformation Services Reviews 2025 | Gartner Peer Insights)) and onshore/offshore mix make it a reliable full-service partner, especially for European multinationals and public sector clients. We include Capgemini for its consistently positive customer feedback and industry recognition, including leadership positions in European market evaluations.

  • Strengths: Capgemini combines technical cloud proficiency with a “very collaborative working style,” as one Gartner Peer review noted (Capgemini Public Cloud IT Transformation Services Likes and Dislikes). It brings strong expertise in cloud cost optimization and “FinOps” (Capgemini was praised for cloud cost management in at least one case (Bespin Global Public Cloud IT Transformation Services Reviews)). Transition experience is a plus – Capgemini has delivered some of the “best, least disruptive” migrations for clients, minimizing downtime and user impact (Capgemini Oracle Cloud Application Services Reviews – Gartner). Additionally, Capgemini’s industry-focused cloud solutions (for finance, manufacturing, etc.) and accelerators help speed up migration while adhering to compliance needs.
  • Weaknesses: Capgemini can be relatively expensive in certain regions (less offshore leverage than Indian counterparts for example). Some clients in reviews desired more proactive innovation – Capgemini excels in execution, but in cutting-edge cloud-native development or niche tools, they may rely on partners. Also, a few reviews suggest Capgemini’s user interfaces for cloud management could be more intuitive (Navisite Services Pros and Cons | User Likes & Dislikes – G2), indicating room to improve self-service portals or reporting. Overall, criticisms are mild: Capgemini tends to satisfy on projects, with one customer summing up that their cloud migration was handled with no major issues and positive end-user feedback (Capgemini Data Center Outsourcing and Hybrid Infrastructure …).

How a SaaS Management Platform Can Assist Your Cloud Migration Journey

If you’re concerned with visibility over your cloud applications, a SaaS management platform plays a vital role both before and after your cloud migration. Here’s how:

  • Pre-Migration Visibility: It inventories and assesses all SaaS applications, ensuring no hidden or redundant tools derail your migration plans.
  • Cost Optimization: By tracking usage and licensing costs, it helps fine-tune spend and prevent overspending as you shift to cloud services.
  • Enhanced Governance: It ensures that security and compliance standards are maintained across your new cloud environment.
  • Continuous Monitoring & Optimization: Post-migration, it provides dashboards and analytics to monitor performance, user adoption, and security, ensuring your cloud investment continues to deliver value.

Niche & Specialist Cloud Migration Providers

These providers specialize in specific cloud platforms, industries, or service niches (e.g. AWS-focused partners, multi-cloud managed service providers, etc.). They are often smaller than the full-service firms but highly rated for their expertise, agility, or innovative approaches.

7. Rackspace Technology – Multi-Cloud Managed Services Specialist

Why Chosen: Rackspace is a well-known name in cloud services, transitioning from its managed hosting roots to a “multicloud solutions” provider. It is included for its strong customer reviews and broad capabilities focused purely on cloud migration and management. Rackspace is rated 4.5/5 on Gartner Peer Insights with dozens of reviews (Best Public Cloud IT Transformation Services Reviews 2025 | Gartner Peer Insights), and was recognized in Gartner’s evaluations (a strong Performer/Visionary). Customers often commend Rackspace’s support and technical know-how: “exceptional customer support” and ease of integration across cloud platforms are highlighted in G2 reviews (Rackspace Technology Reviews 2025: Details, Pricing, & Features | G2) (Rackspace Technology Reviews 2025: Details, Pricing, & Features | G2). Rackspace offers migration services for AWS, Azure, GCP, and private cloud, making it a full-service cloud specialist (as opposed to a general IT consultant). It also acquired AWS specialists like Onica to deepen its expertise. With global data centers and operations in North America, EMEA, and APAC, Rackspace has a strong international presence catering to mid-market and enterprise clients seeking to move to cloud or optimize their cloud environments.

  • Strengths: User-friendly services and tooling – Rackspace’s platform and interfaces make it “straightforward to manage infrastructure and navigate various cloud platforms,” according to users (Rackspace Technology Reviews 2025: Details, Pricing, & Features | G2). It provides end-to-end guidance from initial migration planning to ongoing ops (“Fanatical Support” is a Rackspace hallmark). Rackspace’s reliability and performance are praised; one reviewer noted “consistent performance” and effective load balancing once on Rackspace’s managed cloud (Rackspace Technology Reviews 2025: Details, Pricing, & Features | G2) (Rackspace Technology Reviews 2025: Details, Pricing, & Features | G2). Rackspace also excels in multi-cloud and hybrid scenarios, and has specialized security and compliance offerings (important for healthcare, finance clients it often serves). Their 24/7 support is frequently cited as a standout feature.
  • Weaknesses: Cost is sometimes a sticking point – “the cost…may be relatively higher compared to some competitors,” one G2 review noted (Rackspace Technology Reviews 2025: Details, Pricing, & Features | G2). Rackspace’s premium managed service means it’s not the cheapest option for cloud hosting or migration. Additionally, a few customers have experienced inconsistencies in support quality during Rackspace’s organizational changes in recent years (e.g. turnover after its IPO and re-privatization). While many praise the support, there have been occasional mentions of support slowness or account management issues, though not common. Overall, Rackspace is a trusted cloud specialist, but clients should weigh the managed service cost vs. their in-house capabilities.

8. 2nd Watch – AWS & Azure Migration Specialist

Why Chosen: 2nd Watch is a born-in-the-cloud service provider that specializes in migrating workloads to AWS and Azure. As an audited AWS Premier Partner (since 2015) (The 25 Best Cloud Managed Service Providers for 2025), 2nd Watch has handled large “lift-and-shift” migrations as well as cloud-native transformations, primarily for US enterprises. We included 2nd Watch because it garners strong customer feedback for expertise and commitment. On G2, it holds a high rating (around 4.5/5) and clients praise “[2nd Watch’s] expertise in cloud migration and management, particularly in AWS and Azure,” along with great customer commitment to success (2nd Watch Reviews 2025: Details, Pricing, & Features | G2). 2nd Watch has also been featured in industry lists (e.g. “top cloud MSPs”) and was earlier recognized in Gartner’s Magic Quadrant as a notable niche player. Its focused size allows it to be agile and hands-on. With offices in the US and an expanding presence (now part of MSPCompass via merger, if recent news), 2nd Watch primarily serves North America but with multi-region cloud deployments. This provider is an “unexpected” inclusion in the sense that it’s smaller than giants, yet repeatedly cited for high performance in cloud migration projects.

9. Cloudnexa – AWS-Focused Cloud MSP

Why Chosen: Cloudnexa is a niche AWS-centric cloud management and migration provider, one of the early AWS Premier Consulting Partners. We included Cloudnexa for its high-impact performance with smaller clients and its appearance in multiple “top provider” lists (The 25 Best Cloud Managed Service Providers for 2025) (The 25 Best Cloud Managed Service Providers for 2025). Cloudnexa emphasizes automated migration tools and managed services for AWS, making cloud adoption easier for companies with lean IT teams. Customer reviews on G2 are generally positive, with users saying Cloudnexa “stands with us [and] suggests the best AWS services…fine-tuning our workloads and modernizing the cloud architecture.” (Cloudnexa Reviews 2025: Details, Pricing, & Features | G2) Small-business clients appreciated improved performance and cost-effectiveness post-migration with Cloudnexa (Cloudnexa Reviews 2025: Details, Pricing, & Features | G2). Cloudnexa is US-based but serves international AWS regions via the cloud. It’s a strong choice for organizations primarily on AWS seeking a partner to both migrate and provide ongoing cloud management.

  • Strengths: AWS expertise and partnership – Cloudnexa’s knowledge of AWS services is deep, and they often act as a guide to help clients adopt the most suitable AWS offerings (one user noted Cloudnexa helped pick and configure the right AWS services to meet their goals) (Cloudnexa Reviews 2025: Details, Pricing, & Features | G2). They provide end-to-end support from initial architecture design to migration execution and even act as your AWS admin afterward. Clients mention that Cloudnexa made their deployment “easy” and delivered cost savings through an optimized architecture (Cloudnexa Reviews 2025: Details, Pricing, & Features | G2). Cloudnexa also touts a strong focus on security best practices in AWS (important for clients concerned about cloud security). As a smaller firm, they are praised for being responsive and for partnering closely as if an extension of the client’s team (Cloudnexa Reviews 2025: Details, Pricing, & Features | G2).
  • Weaknesses: Market visibility and maturity – Cloudnexa is not as widely known, and one reviewer admitted “Cloudnexa was also new to the market…most [peers] warned us not to go with them” initially (Cloudnexa Reviews 2025: Details, Pricing, & Features | G2). This indicates earlier concerns about their track record, though the same reviewer ultimately had a successful experience. Additionally, Cloudnexa’s size means they may lack some advanced services that bigger MSPs offer (e.g. multi-cloud support or extensive consulting for app modernization beyond AWS basics). In reviews, there were virtually no major dislikes noted aside from its relative newness and a possibly less polished customer portal. Overall, for AWS migrations, Cloudnexa is a high-performing specialist, but clients should ensure their needs align with Cloudnexa’s AWS-centric service scope.

10. Navisite – Mid-Market Cloud Migration and Hosting Provider

Why Chosen: Navisite has evolved from a traditional managed hosting company into a cloud services provider focusing on migrations for mid-market and enterprise clients. We selected Navisite as an “almost leader” due to strong customer testimonials about reliability and support. One long-term client on G2 noted Navisite’s facilities and services are “99.9% reliable” with no outages in years, and praised “Navisite’s customer service” responsiveness (Navisite Services Reviews & Provider Details – G2). Navisite offers a wide range of migration services – from cloud readiness assessments to data and application migration – across AWS, Azure, Google, and hybrid environments. It also provides industry-specific cloud solutions (especially in healthcare, life sciences, etc.). With operations in the US, UK, and India, Navisite has a global reach to support multinational clients. It aims to give a more hands-on, customized experience than mega-consultants, which resonates well with clients who “just want the migration done right” with ongoing managed support.

  • Strengths: High reliability and ongoing support – Navisite is known for rock-solid uptime and smooth transitions. Clients rarely experience downtime during migrations or afterwards; Navisite’s infrastructure and processes have kept migrations “safe and simple”. Its customer service is often highlighted – “always there when you need them” with excellent after-hours support (Navisite Managed Hosting Reviews & Product Details – G2). Navisite also excels in cloud cost optimization and governance for clients post-migration. Being mid-sized, Navisite can offer more personalized attention; it often assigns a dedicated team for a client’s migration and cloud ops. It’s particularly strong for VMware-to-cloud migrations (Navisite has VMware cloud expertise) and Microsoft workloads (a long-time Microsoft partner).
  • Weaknesses: Navisite’s tools and portal aren’t as flashy as some larger competitors – one G2 reviewer wished “the web interface could be more interactive and informative” for managing their account (Navisite Services Pros and Cons | User Likes & Dislikes – G2). Some users also note that while it’s hard to find fault, Navisite should continue improving its support systems as it grows (Navisite Services Reviews & Provider Details – G2) (a hint that documentation or first-level support could be more robust). Another consideration is scale: very large enterprises might find Navisite’s global consulting presence limited compared to an Accenture or TCS (Navisite tends to focus on North America and Europe primarily). However, these weaknesses are relatively minor, and overall interaction with Navisite is reported as very positive.

11. Bespin Global – Asia-Pacific Cloud Specialist (Multi-Cloud)

Why Chosen: Bespin Global is a rising star among cloud MSPs, originating in APAC (South Korea) and rapidly expanding to the Middle East and North America. We include Bespin as an unexpected high performer – it has a 4.7/5 rating on Gartner Peer Insights (Best Public Cloud IT Transformation Services Reviews 2025 | Gartner Peer Insights) and has been recognized as a “Visionary” in Gartner’s Magic Quadrant for cloud IT transformation services for two years running (Gartner2023 – Bespin Global US) (Bespin Global has been Recognized as a Visionary in the Gartner …). Customers characterize Bespin as “a very committed and trustful partner for [our] cloud transformation journey” (Bespin Global Public Cloud IT Transformation Services Reviews). The company specializes in cloud migration and managed services across AWS, Azure, and Alibaba Cloud, often focusing on cloud cost optimization and DevOps automation as part of the migration. Bespin’s strengths in cloud inventory and cost management are frequently noted (Bespin Global Public Cloud IT Transformation Services Reviews) – important for clients migrating with an eye on controlling expenses. Its global delivery centers and multilingual support give it a broad reach beyond its home market. We chose Bespin Global to represent the new wave of cloud-native providers that combine technical expertise with agile service, and for its accolades in the industry (e.g. “Cloud MSP of the Year” awards in Asia).

  • Strengths: Cost management and cloud-native innovation – Bespin’s tooling for cloud cost governance and automated monitoring is often praised by customers (Bespin Global Public Cloud IT Transformation Services Reviews). They ensure that when migrating, clients not only get a functional environment but also an efficient one (right-sizing resources, using cloud-native services to optimize performance/cost). Bespin is also known for strong technical expertise; one client noted “their proficiency in cloud technologies was impressive” (Capgemini Public Cloud IT Transformation Services Likes and Dislikes). As a relatively young firm, Bespin is very flexible and can adopt new technologies quickly (for example, they have advanced practices in Kubernetes, cloud security, and FinOps). They also emphasize customer training and handover, empowering client teams after migration. For companies in APAC or MEA regions, Bespin brings local knowledge combined with global best practices – often a best-of-both-worlds scenario.
  • Weaknesses: Limited global brand recognition – outside of its core regions, Bespin is not as well-known, which sometimes gives new clients pause. It’s in growth mode, which can mean rapidly scaling teams; ensuring consistency as they grow is a challenge. In Gartner’s view, Bespin as a Visionary implies innovative capabilities but perhaps not the full breadth of services of a global Tier-1 player yet. For example, Bespin may rely on partners for extremely specialized enterprise apps (SAP migrations, etc.) and some clients might prefer a single provider that also covers broader consulting. That said, Bespin’s trajectory is strong, and its high customer ratings indicate it competes by delivering great outcomes. Cost-wise, Bespin is generally competitive, but as they expand, maintaining their hands-on “boutique” service level will be key to avoid any dip in customer experience.

12. Persistent Systems – Digital Modernization Specialist (Challenger)

Why Chosen: Persistent Systems is a mid-sized IT services firm (HQ in India and US) that has carved out a niche in application modernization and cloud migrations. We feature Persistent as an unexpected high performer due to stellar customer satisfaction indicators – it is “the most reviewed” vendor in Gartner Peer Insights for Public Cloud IT Transformation Services, with 80+ reviews and an overall 4.5/5 rating (Persistent Named a Challenger in Gartner® Magic Quadrant™ 2023). Clients are exceedingly positive about Persistent’s outcomes: one client wrote “Persistent… far exceeded mine and the customer’s expectations” on a highly sensitive cloud transformation (Persistent Named a Challenger in Gartner® Magic Quadrant™ 2023). Another review snippet reads: “Persistent is a great company to help you move to cloud… [they] provide good quality consultants with specialized knowledge.” (Persistent Named a Challenger in Gartner® Magic Quadrant™ 2023). These testimonies, plus Persistent’s recognition as a Challenger in Gartner’s 2023 Magic Quadrant (Persistent Named a Challenger in the 2023 Gartner® Magic …), underscore why it made our top list. Persistent focuses on cloud migration combined with automation and DevOps – accelerating moves to cloud and then improving them. It has particular strengths in banking and healthcare cloud projects. While smaller than others here, Persistent’s growth (268% since 2020 in cloud services) and client-centric model (they emphasize a “practitioner-led” approach (Persistent Named a Challenger in Gartner® Magic Quadrant™ 2023)) make them a high-performing choice for cloud migrations.

  • Strengths: Quality and specialized talent – Persistent’s customers repeatedly mention the expertise and dedication of its consultants (Persistent Named a Challenger in Gartner® Magic Quadrant™ 2023). The company is adept at application-level migration and modernization, not just infrastructure lift-and-shift. It brings IP and accelerators to speed up cloud re-platforming or re-factoring projects (Persistent Named a Challenger in Gartner® Magic Quadrant™ 2023) (Persistent Named a Challenger in Gartner® Magic Quadrant™ 2023). Persistent also leverages automation and AI in migration – for instance, automating parts of code or data migration – which can reduce errors and timeline. Because of its size, Persistent is highly client-centric (participating in Gartner’s Customer First program, reflecting commitment to customer feedback (Persistent Named a Challenger in Gartner® Magic Quadrant™ 2023)) and often more agile than larger firms. It’s noted for going above and beyond: a client sponsor felt confident recommending Persistent to peers after their experience of exceptional outcomes (Persistent Named a Challenger in Gartner® Magic Quadrant™ 2023).
  • Weaknesses: Scale and breadth – as a Challenger, Persistent doesn’t have the sheer scale or worldwide office network of the big integrators. Very large, multi-country migrations might strain their smaller teams (though they do partner or staff up as needed). They also historically have been stronger in technology execution than upfront business consulting, so organizations needing extensive cloud strategy workshops might supplement Persistent with strategy consultants. That said, for many migration projects, these issues are minor compared to the value Persistent delivers. Ensuring a clear understanding of project scope is important (as with any provider); Persistent’s growth means it is rapidly expanding services, which is positive, but clients should verify that all needed capabilities (e.g., a specific legacy technology) are within Persistent’s wheelhouse or explicitly supported via partners.

Honorable Mentions

These providers nearly made the top 12 and are worth noting:

  • Infosys – A global IT leader with strong cloud credentials. Infosys was positioned as a Leader in multiple Forrester Waves (e.g. Multicloud Managed Services Q1 2023 and Cloud Migration APAC Q4 2022) (Infosys Rated a Leader in Multicloud Managed Services Providers and Cloud Migration And Managed Service Partners). Its Infosys Cobalt cloud unit and automation tools make it formidable in large migrations. (Peer Insights rating 4.1/5). Often a direct competitor to TCS/Wipro in big deals.
  • HCLTech – Recognized as a Leader in the 2022 Gartner Magic Quadrant for Public Cloud IT Transformation (IBM Ecosystem & Offerings | HCLTech) and in a Forrester Wave for cloud migration in APAC (IBM Ecosystem & Offerings | HCLTech). HCLTech has strong technical depth (including a history in data center services) and was praised for mainframe-to-cloud modernization. It narrowly missed our list but boasts similar capabilities to the full-service leaders.
  • Tech Mahindra – A large IT provider with a focus on telecom and digital services, included here for its exceptional customer ratings. Tech Mahindra’s cloud services have a 4.8/5 score on Gartner Peer Insights (Best Public Cloud IT Transformation Services Reviews 2025 | Gartner Peer Insights) – one of the highest. It offers cloud migration as part of broader digital transformation, with strengths in network-cloud convergence. A bit more specialized in industries, but a high-performing choice according to customers.
  • Cognizant – A US-headquartered, global SI that is frequently in the mix for cloud projects. Cognizant is known for its engineering talent and has a 4.4/5 rating in cloud transformation services (Best Public Cloud IT Transformation Services Reviews 2025 | Gartner Peer Insights). It has made significant investments in cloud (e.g., acquiring multiple cloud consultancies). While it didn’t make the top 12 cut, Cognizant remains an industry leader with broad capabilities similar to Infosys and Wipro, and many successful migration case studies.

Each of these honorable mentions has strong points – for example, Infosys’s cloud automation (Cobalt) and AI integration, HCL’s legacy modernization expertise, Tech Mahindra’s customer focus, and Cognizant’s breadth of domain solutions – and they would be suitable for consideration in any cloud migration provider shortlist.

Conclusion:

When selecting a cloud migration partner, consider the provider’s alignment with your needs: full-service firms bring one-stop breadth and global scale, while specialist firms offer targeted expertise and often higher agility. The top 12 providers above represent a mix of both, all with proven records in customer satisfaction, recognized industry leadership, and the ability to deliver on critical cloud migration success factors (performance, security, cost optimization, support, and innovation). Each has its distinct strengths and minor weaknesses, but all are capable of driving a successful migration with the right engagement model. The “best” choice will depend on the complexity of your environment, the cloud platforms involved, and your organizational culture – but this list includes both the established leaders and a few high-achieving dark horses to cover the spectrum of excellent options available today.

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