20 Best Largest Managed Service Providers Reviewed in 2025
Best Largest Managed Service Providers Shortlist
Here’s my shortlist of the best largest managed service providers:
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Managed service providers help businesses take care of IT operations, security, and support so internal teams can stay focused on their own work.
Companies usually start looking for a provider when they're running into slow support response times, stretched internal capacity, or uncertainty about compliance and data protection. But with so many large firms offering similar-sounding services, it can be hard to tell which ones are truly equipped to meet your needs.
I’ve worked with businesses comparing national and global MSPs to understand how each one handles service delivery, responsiveness, and fit for different industries. This guide shares what I’ve learned, with a focus on helping you find a provider that works in practice, not just on paper.
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Best Largest Managed Service Providers Summary
This comparison chart summarizes pricing details for my top largest managed service providers selections to help you find the best one for your budget and business needs.
| Service | Best For | Trial Info | Price | ||
|---|---|---|---|---|---|
| 1 | Best for cloud solutions | Free tier available | Pricing upon request | Website | |
| 2 | Best for network solutions | Free discovery call available | Pricing upon request | Website | |
| 3 | Best for cybersecurity | Free consultation available | Pricing upon request | Website | |
| 4 | Best for global reach | Free consultation available | Pricing upon request | Website | |
| 5 | Best for tech innovation | Not available | Pricing upon request | Website | |
| 6 | Best for small businesses | Free consultation available | Pricing upon request | Website | |
| 7 | Best for large enterprises | Free consultation available | Pricing upon request | Website | |
| 8 | Best for data analytics | Free consultation available | Pricing upon request | Website | |
| 9 | Best for industry expertise | Free consultation available | Pricing upon request | Website | |
| 10 | Best for IT outsourcing | Free consultation available | Pricing upon request | Website |
Best Largest Managed Service Providers Reviews
Below are my detailed summaries of the best largest managed service providers that made it onto my shortlist. My reviews offer a look at each provider’s key services, unique specialties, and pros & cons to help you find the best one for your needs.
AWS Professional Services offers cloud-based solutions focusing on migration, architecture, and managed services to support key business functions like IT infrastructure and data analytics. Their main client base includes enterprises seeking to leverage cloud technologies for digital transformation.
Why I picked AWS Professional Services: Their expertise in cloud solutions is evident in their comprehensive migration services, which help your team move workloads to the cloud efficiently.
AWS's architectural support ensures your cloud infrastructure is optimized for performance and scalability. Additionally, their managed services provide ongoing support to maintain and enhance your cloud environment.
Standout services: Data lake solutions allow your team to store and analyze large volumes of data, improving decision-making and operational efficiency. Machine learning services provide tools to develop and deploy AI models, helping your business automate processes and gain insights from data.
Target industries: Finance, healthcare, retail, technology, and media.
Specialties: Cloud migration, IT infrastructure, data analytics, machine learning, and architecture optimization.
Pros and cons
Pros:
- Comprehensive migration services
- Advanced machine learning tools
- Scalable architectural support
Cons:
- Pricing transparency issues
- Limited flexibility for small businesses
Lumen Technologies offers managed services focusing on cloud connectivity, edge computing, and cybersecurity, serving key business functions like IT infrastructure, data analytics, and network management. Their main client base includes enterprises looking for advanced networking solutions.
Why I picked Lumen Technologies: Their expertise in network solutions is evident through offerings like cloud connectivity services, which enhance your team's ability to manage data across multiple platforms.
Edge computing solutions provide your business with real-time data processing capabilities, improving efficiency. Additionally, their cybersecurity services ensure that your network remains protected against potential threats.
Standout services: Unified communications and collaboration solutions help your team stay connected and improve productivity by integrating voice, video, and messaging services. Managed security services address your business's need for comprehensive protection, providing threat detection and response capabilities that keep your data safe.
Target industries: Healthcare, finance, retail, government, and manufacturing.
Specialties: Cloud connectivity, edge computing, cybersecurity, IT infrastructure, and data analytics.
Pros and cons
Pros:
- Advanced edge computing capabilities
- Comprehensive cybersecurity services
- Global service availability
Cons:
- Potentially high costs
- Requires significant client collaboration
Optiv offers managed services focused on cybersecurity solutions, addressing key business functions like risk management, threat detection, and incident response. Their main client base includes organizations looking to enhance their security posture across various industries.
Why I picked Optiv: Their specialization in cybersecurity is reflected in services like threat detection and risk management, which help your team proactively identify and mitigate potential risks.
The incident response services ensure your business can react swiftly to security breaches. Moreover, Optiv provides comprehensive security assessments to keep your infrastructure safe.
Standout services: Identity and access management help your team control and monitor access to critical resources, improving security and compliance. Security operations center services provide around-the-clock monitoring and threat intelligence, ensuring your business stays protected against evolving cyber threats.
Target industries: Finance, healthcare, retail, energy, and technology.
Specialties: Cybersecurity, risk management, threat detection, incident response, and security assessments.
Pros and cons
Pros:
- Comprehensive risk management
- Advanced threat detection services
- Effective incident response solutions
Cons:
- Requires significant client collaboration
- Limited flexibility for small businesses
IBM offers managed services focused on cloud and AI transformations, serving key business functions like AI strategy, business operations, hybrid cloud transformation, application management, and cybersecurity. Their main client base spans diverse industries, leveraging strategic partnerships to enhance service delivery.
Why I picked IBM: IBM's global reach is evident in its partnerships with major platforms like AWS, Microsoft Azure, Oracle, and Salesforce. These partnerships allow them to offer tailored solutions for cloud migration and cybersecurity, addressing your needs for operational efficiency.
With over 20,000 AI experts, IBM ensures your team gets comprehensive support for AI and business transformation.
Standout services: Hybrid cloud transformation helps your team seamlessly integrate existing systems with new cloud solutions, addressing the challenge of managing complex IT environments. AI strategy and implementation offer your business a clear path to harness the power of AI, focusing on improving decision-making and operational efficiency.
Target industries: Finance, healthcare, retail, telecommunications, and manufacturing.
Specialties: AI solutions, cloud transformation, cybersecurity, application management, and data analytics.
Pros and cons
Pros:
- Extensive global network
- Strategic platform partnerships
- Customizable solutions
Cons:
- Potentially high costs
- Lengthy onboarding process
Wipro offers managed services in digital strategy, cloud solutions, cybersecurity, and AI, focusing on key business functions like IT transformation and operational efficiency. Their main client base includes large enterprises seeking innovative technology solutions.
Why I picked Wipro: Their focus on tech innovation is evident in the way they integrate AI and cloud solutions to enhance your team's operational capabilities.
The digital strategy services offered help your team navigate IT transformation with tailored approaches. Additionally, their cybersecurity solutions ensure your data is protected against potential threats.
Standout services: Wipro HOLMES™ enhances your team’s productivity by utilizing AI for business process automation, reducing manual effort. Wipro’s cloud management platform provides your business with tools to optimize and manage cloud resources efficiently, addressing the challenges of multi-cloud environments.
Target industries: Banking, healthcare, retail, manufacturing, and telecommunications.
Specialties: Digital strategy, IT transformation, cloud solutions, cybersecurity, and AI integration.
Pros and cons
Pros:
- Strong focus on tech innovation
- Tailored digital strategies
- Global service availability
Cons:
- Pricing transparency issues
- Lengthy implementation times
CDW offers managed services including cloud solutions, security, and IT support, focusing on key business functions like infrastructure management and digital transformation. Their main client base consists of small to medium-sized businesses looking for scalable IT solutions.
Why I picked CDW: Their dedication to small businesses is reflected in their scalable IT support, which helps your team manage infrastructure effectively.
CDW's cloud solutions provide your business with flexible resources to support digital growth. Additionally, their security offerings ensure your data is protected against emerging threats.
Standout services: Managed print services help your team reduce costs and improve efficiency by optimizing print environments. Unified communications solutions enhance collaboration by integrating voice, video, and messaging into a single platform, addressing communication challenges.
Target industries: Healthcare, finance, education, retail, and government.
Specialties: Cloud solutions, IT support, security, digital transformation, and infrastructure management.
Pros and cons
Pros:
- Scalable IT support
- Flexible cloud solutions
- Strong customer support
Cons:
- Limited advanced tech solutions
- Variable implementation times
DXC Technology offers managed services in cloud and infrastructure, consulting and engineering, insurance software, business process services, and security. They primarily serve large enterprises across industries like insurance, healthcare, and automotive.
Why I picked DXC Technology: Their focus on large enterprises is evident in their comprehensive cloud and infrastructure solutions, which help your team improve operational efficiency and support digital transformation.
The consulting and engineering services provide tailored strategies for your business's unique needs. Additionally, their security services ensure robust protection against cyber risks.
Standout services: Modern workplace solutions help your team improve collaboration and productivity by integrating advanced communication tools. Cyber risk management addresses security challenges, ensuring your data remains protected in complex IT environments.
Target industries: Insurance, healthcare, automotive, technology, and manufacturing.
Specialties: Cloud platforms, data and AI, enterprise applications, security, and digital transformation.
Pros and cons
Pros:
- Extensive industry focus
- Strong cloud expertise
- Global presence
Cons:
- Potentially high costs
- Limited flexibility for small businesses
NTT Data offers managed services focusing on IT services, digital business solutions, consulting, and business process outsourcing. They serve key business functions like data analytics, IT infrastructure, and digital transformation, catering mainly to large enterprises.
Why I picked NTT Data: Their strength in data analytics helps your team make informed decisions by providing valuable insights into business operations.
The digital business solutions offered enhance your team's efficiency and support transformation initiatives. Their consulting services ensure your business gets tailored strategies to meet specific goals.
Standout services: Cloud advisory services guide your team through cloud adoption, helping you choose the right solutions for your needs. Intelligent automation solutions enhance your operational processes by integrating AI and machine learning, improving productivity and reducing manual tasks.
Target industries: Healthcare, finance, manufacturing, telecommunications, and public sector.
Specialties: Data analytics, IT infrastructure, digital transformation, cloud solutions, and business process outsourcing.
Pros and cons
Pros:
- Strong data analytics focus
- Extensive IT infrastructure services
- Tailored digital transformation solutions
Cons:
- Limited flexibility for small businesses
- Lengthy implementation times
Accenture provides managed services focused on business processes, AI, automation, application management, and infrastructure management. They serve a diverse client base across industries such as finance, healthcare, and retail.
Why I picked Accenture: Their industry expertise is evident in services like AI and automation, which help your team drive digital transformation and operational efficiency.
Accenture's application and infrastructure management further supports your organization by optimizing resources and improving service delivery. Their focus on cybersecurity ensures your business is protected against potential risks.
Standout services: Business process services help your team improve efficiency by managing and optimizing key processes. Operational security as-a-service addresses cybersecurity challenges, ensuring your business remains protected from potential threats.
Target industries: Banking, healthcare, retail, technology, and insurance.
Specialties: Cloud solutions, cybersecurity, data and AI, digital engineering, and automation.
Pros and cons
Pros:
- Extensive industry expertise
- Strong focus on cybersecurity
- Comprehensive global reach
Cons:
- Pricing transparency issues
- May require long-term contracts
CGI offers managed IT services, including cloud solutions, cybersecurity, and application management, focusing on business functions like digital transformation and IT infrastructure. Their main client base consists of organizations seeking to outsource IT operations to improve efficiency and reduce costs.
Why I picked CGI: Their specialization in IT outsourcing helps your team focus on core business activities by handling IT operations efficiently. CGI's cloud solutions provide flexible resources for your digital transformation needs.
Their cybersecurity services ensure your data is protected, supporting your business's security requirements.
Standout services: Managed application services help your team maintain and optimize applications, ensuring they support business objectives and improve performance. IT infrastructure management offers solutions to manage and maintain your IT resources, addressing the challenges of operational efficiency and cost control.
Target industries: Finance, healthcare, government, utilities, and manufacturing.
Specialties: IT outsourcing, cloud solutions, cybersecurity, application management, and digital transformation.
Pros and cons
Pros:
- Flexible cloud solutions
- Comprehensive cybersecurity services
- Efficient application management
Cons:
- Potentially high costs
- Lengthy implementation times
Other Largest Managed Service Providers
Here are some additional largest managed service providers that didn’t make it onto my shortlist, but are still worth checking out:
- Tata Consultancy Services
For IT consulting
- Infosys
For digital transformation
- Deloitte
For business consulting
- Comcast Business
For network connectivity
- Rackspace Technology
For hybrid cloud solutions
- Atos
For carbon-neutral IT goals
- HCL Technologies
For application modernization
- Cognizant
For healthcare solutions
- Capgemini
For digital engineering
- Kyndryl
For IT infrastructure management
What Do Largest Managed Service Providers Do?
Largest managed service providers are companies that deliver outsourced IT services and support to businesses. They might offer things like:
- Cloud management and hosting
- Network security and monitoring
- IT infrastructure management
- Data backup and recovery
- Application management
IT departments, small to large enterprises, and businesses facing challenges in managing IT operations typically seek out these providers. They address needs like improving operational efficiency, enhancing security, and reducing IT costs.
Largest Managed Service Providers Selection Criteria
When selecting the best largest managed service providers to include in this list, I considered common business needs and pain points that these providers address. This included things like enhancing IT security and improving operational efficiency. I also used the following framework to keep my evaluation structured and fair:
Core Services (25% of total score)
To be considered for inclusion in this list, each provider had to offer these basic services:
- Cloud management and hosting
- Network security and monitoring
- IT infrastructure management
- Data backup and recovery
- Application management
Additional Standout Services (25% of total score)
To help further narrow down the competition, I also looked for unique or especially valuable services, such as:
- AI-driven analytics
- Advanced threat detection
- Multi-cloud management
- IoT integration
- Custom application development
Industry Experience (10% of total score)
To get a sense of the industry experience of each provider, I considered the following:
- Years in the industry
- Range of industries served
- Case studies and success stories
- Certifications and partnerships
- Expertise in specific technologies
Onboarding (10% of total score)
To evaluate the onboarding experience for each provider, I considered the following:
- Ease of setup
- Time to implementation
- Training and resources provided
- Support during transition
- Customization options
Customer Support (10% of total score)
To assess the level of customer support each provider offers, I considered the following:
- Availability of support channels
- Response time to inquiries
- Quality of technical support
- Availability of dedicated account managers
- Customer feedback on the support experience
Value For Price (10% of total score)
To evaluate the pricing and potential ROI of working with each provider, I considered the following:
- Competitive pricing
- Transparency of costs
- Flexibility of pricing plans
- ROI potential
- Discounts or offers
Customer Reviews (10% of total score)
To get a sense of the overall satisfaction of existing customers, I considered the following when reading customer reviews:
- Overall satisfaction ratings
- Feedback on service reliability
- Comments on ease of use
- Opinions on customer support
- Reports on value for money
How to Choose the Largest Managed Service Providers
It’s easy to get bogged down in long lists of services and complex pricing structures. To help you prioritize the things that matter most for your business, keep the following factors in mind:
| Factor | What to Consider |
| Business Objectives | Align the provider's offerings with your team's goals, such as enhancing security or boosting efficiency, to ensure they meet your strategic needs. |
| Service Scope and SLAs | Review the range of services and Service Level Agreements to ensure they cover your IT requirements and provide the reliability your business demands. |
| Support Availability | Check if the provider offers 24/7 support through multiple channels to address your team's issues promptly and keep operations running smoothly. |
| Costs and Pricing Structure | Evaluate the pricing plans to ensure they fit your budget and provide value without hidden fees, offering flexibility for growth. |
| Communication and Reporting | Ensure the provider offers regular updates and transparent reporting on performance metrics, keeping you informed about your IT environment's status. |
| Scalability | Consider if the provider can scale services as your business grows, ensuring long-term partnership viability. |
| Reputation | Research the provider's reputation through reviews and testimonials to gauge reliability and customer satisfaction. |
| Compliance Standards | Verify if the provider complies with industry regulations and standards relevant to your sector, ensuring your data security and legal obligations are met. |
Key Largest Managed Service Provider Services
When selecting the largest managed service providers, keep an eye out for the following key services:
- Cloud management and hosting: Enables your team to efficiently manage and scale cloud resources, ensuring flexibility and cost-effectiveness.
- Network security and monitoring: Protects your IT infrastructure by continuously monitoring for threats and vulnerabilities.
- IT infrastructure management: Supports the maintenance and optimization of your hardware and software systems to enhance performance and reliability.
- Data backup and recovery: Ensures your data is regularly backed up and can be recovered quickly in the event of a failure.
- Application management: Oversees the operation and maintenance of your business applications, improving functionality and user experience.
- AI-driven analytics: Provides insights through data analysis, helping your team make informed decisions and drive growth.
- Multi-cloud management: Facilitates the integration and management of multiple cloud platforms, offering flexibility and resilience.
- Threat detection: Identifies potential security threats in real-time, allowing for proactive defense measures.
- Business process management: Streamlines your business operations by automating workflows and improving efficiency.
- Compliance and risk management: Helps your business adhere to industry regulations and manage risks effectively.
Benefits of the Largest Managed Service Providers
Partnering with the largest managed service providers offers several benefits for your team and your business. Here are a few you can look forward to:
- Cost efficiency: Reduces operational costs by outsourcing IT services like cloud management and application support.
- Enhanced security: Protects your data and infrastructure with network security and threat detection services.
- Scalability: Allows your business to grow with flexible cloud and IT solutions that can be scaled up or down as needed.
- Expert support: Provides access to specialized expertise in areas like AI-driven analytics and compliance management.
- Increased productivity: Frees up your team to focus on core business activities by handling IT infrastructure and business process management.
- Improved reliability: Ensures consistent performance and uptime through IT infrastructure management and data backup services.
Costs and Pricing Structures of the Largest Managed Service Providers
Largest managed service providers typically come at a custom price to accommodate various business needs, sizes, and circumstances. Providers generally work within one of the following pricing structures:
- Subscription-based: Charges a recurring fee for ongoing services, usually monthly or annually.
- Project-based: Costs are determined by the specific project scope and deliverables.
- Scope of work (SOW): Pricing is based on detailed agreements outlining the tasks and responsibilities.
- Tiered pricing: Offers different levels of service at varying price points, allowing businesses to choose based on their needs.
- Pay-as-you-go: Charges based on actual usage, providing flexibility for fluctuating demands.
Key Factors That Influence the Largest Managed Service Providers Pricing
Beyond the specific pricing model, here are some additional factors that can influence the cost of the largest managed service providers:
- Customization required: More tailored solutions can lead to higher costs due to the additional resources needed.
- Industry regulations: Compliance with specific regulations may increase costs due to specialized expertise and processes.
- Number of users: More users typically mean higher costs, as more resources and support are necessary.
- Service complexity: More complex services or integrations can drive up costs due to the need for specialized skills and time.
- Geographic location: Costs may vary depending on the region, as local market rates and operational expenses differ.
Being aware of these factors before you start seeking out custom quotes from providers helps you get a sense of what to expect and compare and contrast quotes more effectively.
Largest Managed Service Providers: FAQs
Here are some answers to common questions about the largest managed service providers:
How do managed service providers handle data security?
Managed service providers prioritize data security by implementing measures like encryption, regular security audits, and compliance with industry regulations. They offer 24/7 monitoring to detect and respond to threats promptly. Your team can work with them to establish security protocols that align with your business needs.
What are the typical contract terms with a managed service provider?
Contract terms vary, but most managed service providers offer flexible agreements ranging from month-to-month to multi-year contracts. It’s important to review the terms carefully, focusing on service level agreements (SLAs), termination clauses, and pricing structures. This helps ensure the contract meets your specific requirements.
How can managed service providers improve operational efficiency?
Managed service providers can enhance operational efficiency by taking over routine IT tasks, allowing your team to focus on strategic initiatives. They utilize automation and best practices to optimize processes and reduce downtime. This partnership can lead to more streamlined operations and cost savings.
What level of support can I expect from a managed service provider?
Support levels vary by provider, but you can typically expect 24/7 access to technical support and a dedicated account manager. They should offer multiple communication channels such as phone, email, and chat. It’s crucial to discuss your support needs upfront to ensure they can meet your expectations.
Can managed service providers help with compliance requirements?
Yes, many managed service providers specialize in helping businesses meet compliance requirements. They stay updated on industry regulations and can implement necessary controls and audits. This support can be invaluable in avoiding compliance-related penalties and maintaining your business’s reputation.
How do I assess the expertise of a managed service provider?
To assess expertise, look for providers with a proven track record in your industry and relevant certifications. Ask for case studies or client references to understand their experience with similar businesses. Evaluating their knowledge in specific technologies and solutions can also be beneficial.
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