16 Best Infrastructure Managed Companies (2026)

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Infrastructure managed services can cover anything from day-to-day cloud operations and monitoring to hybrid infrastructure, networks, DevOps, security, and modernization. The companies below represent different delivery models, from engineering-focused providers supporting application infrastructure to global managed service organizations operating complex enterprise estates. The overview focuses on current service capabilities, infrastructure scope, and the types of environments each provider is equipped to support.

1. Gilzor

Gilzor approaches infrastructure work as part of the wider software product lifecycle. Its engineering stack covers infrastructure technologies such as HAProxy, NGINX, AWS Lambda, messaging services, Docker, Kubernetes, Amazon EKS, Ansible, CircleCI, and GitHub Actions. Cloud architecture, deployment automation, application development, QA, and post-launch support can therefore sit within the same technical engagement.

This model is particularly relevant when infrastructure management is closely connected to the software running on it. Rather than separating product engineering from deployment and maintenance, Gilzor can work across application architecture and the underlying environment as products move into production and continue to evolve.

Key Facts

  • Best for: Product companies combining infrastructure work with software engineering
  • Core services: Infrastructure managed services, сloud deployment, infrastructure planning, DevOps, application support, maintenance
  • Infrastructure technologies: AWS, Kubernetes, Docker, Amazon EKS, HAProxy, NGINX, Ansible
  • Delivery focus: Software products and production environments
  • Location: Warsaw, Poland, with international project delivery

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2. Kyndryl

Kyndryl concentrates heavily on operating and modernizing mission-critical enterprise technology. Its managed cloud services extend across public, private, and hybrid environments, including compute, storage, containers, virtual machines, SAP, Oracle workloads, IBM Z, and IBM i. The company also provides managed hosting for computer, storage, and networking environments.

The breadth of that portfolio makes Kyndryl relevant to organizations with mixed estates where cloud infrastructure exists alongside traditional platforms. Infrastructure modernization, multicloud management, data management, resiliency, security, and ongoing operations can be handled within a broader enterprise transformation program.

Key Facts

  • Best for: Large organizations with complex hybrid IT estates
  • Core services: Managed cloud, private cloud, managed hosting, infrastructure modernization
  • Environment coverage: Public cloud, private cloud, hybrid cloud, mainframe
  • Infrastructure areas: Compute, storage, networks, containers
  • Notable strength: Management of mixed legacy and modern environments

Contact Information

  • Website: www.kyndryl.com
  • Phone: +1.855.596.3795
  • Email: sales@kyndryl.com
  • Address: 2nd Floor, 100 Liverpool Street, London, United Kingdom, EC2M 2AT
  • LinkedIn: www.linkedin.com/company/kyndryl
  • Twitter: x.com/kyndryl

3. A-listware

A-listware has a dedicated infrastructure practice covering both cloud and on-premises environments. Its services include managed IT support, cloud consulting and management, data center support, DevOps, network management, managed security, and application services. The company specifically describes end-to-end management for infrastructure and applications rather than limiting its work to initial implementation.

Its managed IT offering also includes multicloud infrastructure management involving platforms such as AWS and Azure, resource monitoring and optimization, application monitoring, CI/CD automation, containerization, and automated monitoring systems. That gives businesses the option to combine operational support with development and modernization work.

Key Facts

  • Best for: Businesses combining infrastructure management with software engineering
  • Core services: Managed IT, cloud management, network management, DevOps, data center support
  • Cloud coverage: AWS, Azure, and multicloud environments
  • Additional capabilities: Managed security and application management
  • Infrastructure scope: Cloud and on-premises systems

Contact Information

  • Website: a-listware.com
  • Phone: +1 (888) 337 93 73
  • Email: info@a-listware.com
  • Address: North Bergen, NJ 07047, USA
  • LinkedIn: www.linkedin.com/company/a-listware
  • Facebook: www.facebook.com/alistware

4. Rackspace Technology

Rackspace Technology has its roots in managed hosting and cloud operations and continues to operate infrastructure for enterprise workloads across public, private, and hybrid environments. Its current model covers cloud infrastructure, operational support, optimization, governance, and increasingly infrastructure for enterprise AI environments.

Rackspace also provides infrastructure-level monitoring, orchestration, backup, networking, storage, compute, and virtual-machine management. The company offers continuous operational support, making it better aligned with organizations seeking an external infrastructure operator than teams requiring only a migration or one-time cloud setup.

Key Facts

  • Best for: Managed cloud and mission-critical enterprise environments
  • Core services: Managed cloud, private cloud, infrastructure operations, optimization
  • Environment coverage: Public, private, and hybrid cloud
  • Operational model: Ongoing managed services and support
  • Additional focus: Governed infrastructure for AI and regulated workloads

Contact Information

  • Website: www.rackspace.com
  • Phone: 1800 961 2888
  • Email: legalnotice@rackspace.com
  • Address: 19122 US Highway 281N Ste 128, San Antonio, TX 78258-7667, United States
  • LinkedIn: www.linkedin.com/company/rackspace-technology
  • Facebook: www.facebook.com/rackspacetechnology
  • Twitter: x.com/Rackspace
  • Instagram: www.instagram.com/rackspace_technology

5. OSKI Solutions

OSKI Solutions provides managed IT services for applications, cloud infrastructure, databases, integrations, and CI/CD pipelines. Its ongoing operational scope includes monitoring, alerting, incident response, maintenance, patching, backup verification, cloud management, and continuous improvement under an SLA-based model.

The infrastructure side covers AWS and Azure operations, while its wider cloud engineering practice extends to AWS, Azure, and Google Cloud. OSKI also works with Terraform, Kubernetes, Docker, observability tooling, autoscaling, disaster recovery, and infrastructure-as-code. This combination suits organizations that want operational ownership backed by engineers who can also change the application, pipeline, or architecture when required.

Key Facts

  • Best for: Managed cloud environments that need engineering-level support
  • Core services: Infrastructure operations, monitoring, incident response, DevOps, maintenance
  • Cloud platforms: AWS, Azure, Google Cloud
  • Technologies: Terraform, Kubernetes, Docker, CI/CD tooling
  • Engagement model: Ongoing managed services and cloud engineering

Contact Information

  • Website: oski.site
  • Phone: +48571282759
  • Email: contact@oski.site
  • Address: Kaupmehe tn 7-120, Tallinn, 10114, Estonia

  • LinkedIn: www.linkedin.com/company/oski-solutions

6. Accenture

Accenture maintains a dedicated Infrastructure Managed Services practice focused on running and modernizing enterprise IT across cloud, on-premises, network, workplace, and edge environments. Its managed services include cloud and data center operations, infrastructure modernization, network management, service management, and security-oriented infrastructure support.

For cloud-focused clients, Accenture provides full management of public, private, and hybrid environments with continuous optimization. Its services also connect infrastructure operations with FinOps, migration, governance, security, and broader enterprise transformation programs.

Key Facts

  • Best for: Large enterprise infrastructure transformation
  • Core services: Infrastructure managed services, data center operations, network services
  • Environment coverage: On-premises, public cloud, private cloud, hybrid cloud, edge
  • Additional capabilities: FinOps, migration, security, service management
  • Delivery scope: Global enterprise environments

Contact Information

  • Website: www.accenture.com
  • Phone: +19174524400
  • Address: 395 9th Avenue, New York, NY, 10001

7. .NET Developers

.NET Developers brings cloud and platform engineering into its enterprise software delivery model. Its infrastructure capabilities include cloud-native architecture, infrastructure-as-code, platform engineering, Terraform, Kubernetes, and work across Azure, AWS, and Google Cloud.

The company is more engineering-oriented than a conventional outsourced NOC provider. Its delivery process extends through deployment and continued evolution of production systems, making it relevant when infrastructure work is part of a broader application lifecycle. Organizations looking specifically for platform modernization, cloud architecture, IaC, and production engineering may find that model more appropriate than a help-desk-led managed services arrangement.

Key Facts

  • Best for: Infrastructure management tied to enterprise product engineering
  • Core services: Cloud architecture, platform engineering, infrastructure-as-code
  • Cloud platforms: Azure, AWS, Google Cloud
  • Technologies: Terraform, Kubernetes
  • Delivery model: Senior-led engineering and ongoing product evolution

Contact Information

  • Website: net-devs.com
  • Phone: +48 571 282 759
  • Email: contact@net-devs.com
  • Address: Obrzeżna 1D, 02-691 Warszawa
  • LinkedIn: www.linkedin.com/company/net-devs

8. DXC Technology

DXC Technology operates cloud and infrastructure environments spanning public cloud, private cloud, traditional hosting, networks, mainframes, and enterprise platforms. Its services are designed around both modernization and ongoing operation of large IT estates.

Managed infrastructure capabilities include workload orchestration, observability, automated problem resolution, storage, hosting, disaster recovery, network operations, public-cloud management, and hybrid infrastructure. DXC also introduced its OASIS orchestration platform in 2026 to provide a unified operational layer across complex technology estates.

Key Facts

  • Best for: Large and complex enterprise technology estates
  • Core services: Managed cloud, hosting, network operations, mainframe management
  • Cloud environments: Public, private, and hybrid
  • Additional capabilities: Observability, orchestration, disaster recovery
  • Enterprise focus: Large-scale infrastructure operations and modernization

Contact Information

  • Website: dxc.com
  • Phone: 1-844-201-1125
  • Email: webmaster@DXC.com
  • LinkedIn: www.linkedin.com/company/dxctechnology
  • Instagram: www.instagram.com/DxcTechnology

9. SoftPro

SoftPro works with cloud development, migration, infrastructure management, and longer-term technical support. Its cloud services cover Microsoft Azure and AWS, including cloud-native applications, migration, containerization, re-architecture, hybrid environments, and management of infrastructure after deployment.

Its profile is closer to an engineering partner than a global infrastructure outsourcer, which can be useful for companies whose operational requirements are closely connected to custom applications. SoftPro also combines cloud work with .NET, React, web development, enterprise modernization, and ongoing application support.

Key Facts

  • Best for: Cloud infrastructure linked to custom software
  • Core services: Cloud development, migration, infrastructure management, support
  • Cloud platforms: Microsoft Azure, AWS
  • Additional capabilities: Application modernization and custom development
  • Location: Warsaw, Poland

Contact Information

  • Website: soft-pro.pl
  • Address: Poland, Warsaw, Mazowieckie Voivodeship, 13 Erasmus Ciołka St. 401

10. Ensono

Ensono provides managed infrastructure for organizations that want to retain ownership of their underlying systems while moving daily operations to an external team. Its Remote Infrastructure Management service covers continuous monitoring and management of mainframe, midrange, data center, hardware, and software environments.

The model can be useful during gradual modernization because companies do not have to replace infrastructure immediately to transfer its operational burden. Ensono provides 24/7 management and support while clients maintain ownership of the environment, creating a bridge between conventional infrastructure outsourcing and larger cloud transformation programs.

Key Facts

  • Best for: Enterprises retaining existing data center infrastructure
  • Core services: Remote infrastructure management, monitoring, support
  • Infrastructure areas: Mainframe, midrange, data center
  • Support model: 24/7 infrastructure operations
  • Notable capability: Managed operations without requiring hardware ownership transfer

Contact Information

  • Website: www.ensono.com
  • Phone: +1 (866) 880-8611
  • Email: info@ensono.com
  • Address: 3333 Finley Road, Downers Grove, IL 60515
  • LinkedIn: www.linkedin.com/company/ensono
  • Facebook: www.facebook.com/EnsonoIT
  • Twitter: x.com/EnsonoIT

11. Cognizant

Cognizant's Infrastructure Managed Services practice covers IT operations for business-critical applications hosted in private cloud, hybrid cloud, traditional infrastructure, and proprietary environments. The company also connects managed operations with infrastructure transformation, allowing clients to modernize while existing workloads remain operational.

Cloud optimization is another major part of the service portfolio. Cognizant provides performance tuning, FinOps observability, workload placement analysis, and ongoing optimization, alongside hybrid-cloud management spanning on-premises systems, edge infrastructure, and public-cloud providers such as AWS, Microsoft, and Google.

Key Facts

  • Best for: Hybrid infrastructure and cloud transformation
  • Core services: Infrastructure operations, cloud management, optimization
  • Environment coverage: Traditional infrastructure, private cloud, hybrid cloud
  • Additional capabilities: FinOps and cloud optimization
  • Enterprise focus: Business-critical infrastructure and applications

Contact Information

  • Website: www.cognizant.com
  • Phone: (480) 375-7000
  • Email: inquiry@cognizant.com
  • Address: 910 Wyoming Street, Missoula 59801, MT
  • LinkedIn: www.linkedin.com/company/cognizant
  • Facebook: www.facebook.com/Cognizant
  • Twitter: x.com/cognizant
  • Instagram: www.instagram.com/cognizant

12. NTT DATA

NTT DATA provides infrastructure services across advisory, professional implementation, sourcing, field services, and ongoing operations. Its Software-defined Infrastructure Services focus on managing multivendor hardware and software estates rather than restricting clients to a single technology stack.

The service model emphasizes moving infrastructure operations beyond reactive break/fix support through automation and service management. That is particularly relevant to enterprises with distributed estates where hardware, platforms, software, and cloud resources need to be managed through a more unified operational framework.

Key Facts

  • Best for: Multivendor enterprise infrastructure
  • Core services: Infrastructure operations, advisory, professional services
  • Specialization: Software-defined infrastructure
  • Environment type: Distributed and heterogeneous IT estates
  • Additional focus: Automation and service management

Contact Information

  • Website: www.nttdata.com
  • Phone: +44 (0) 20 3933 5500
  • Address: Epworth House, 25 City Road, London, EC1Y 1AA, United Kingdom
  • LinkedIn: www.linkedin.com/company/ntt-data
  • Twitter: x.com/nttdata
  • Instagram: www.instagram.com/nttdata

13. Capgemini

Capgemini provides infrastructure operations alongside application and cloud managed services. Its infrastructure management offering extends across production environments, data centers, end-user services, service desks, cloud infrastructure, and service integration and management.

The company can also support organizations moving from traditional infrastructure toward multicloud models. Current material connects infrastructure managed services with cloud transformation, centralized service management, automation, AIOps, digital workplace management, and operational cost control.

Key Facts

  • Best for: Large-scale infrastructure and multicloud programs
  • Core services: Infrastructure operations, cloud managed services, SIAM
  • Infrastructure scope: Data center, cloud, end-user environments
  • Additional capabilities: AIOps, automation, application management
  • Delivery focus: Enterprise operations and modernization

Contact Information

  • Website: www.capgemini.com
  • Phone: 1-415-659-0250
  • Address: 1011 3rd Street Suite 300 San Francisco, CA 94158
  • LinkedIn: www.linkedin.com/company/capgemini
  • Facebook: www.facebook.com/Capgemini
  • Instagram: www.instagram.com/capgemini

14. IBM

IBM's hybrid infrastructure offering covers deployment and management across on-premises, colocation, and cloud environments. Its services include private infrastructure-as-a-service, managed infrastructure, hybrid-cloud operations, automation, and support for mission-critical enterprise workloads.

IBM also provides technologies for automating infrastructure provisioning across multiple cloud environments using infrastructure-as-code practices. The combination is relevant for organizations that have significant existing enterprise infrastructure and want a controlled path toward hybrid operations rather than moving every workload directly into the public cloud.

Key Facts

  • Best for: Hybrid infrastructure and mission-critical enterprise workloads
  • Core services: Managed infrastructure, hybrid cloud operations, private IaaS
  • Environment coverage: On-premises, colocation, private cloud, public cloud
  • Additional capabilities: Infrastructure automation and provisioning
  • Enterprise focus: AI, data, ERP, and other business-critical workloads

Contact Information

  • Website: www.ibm.com
  • Phone: 1-800-426-4968 
  • Address: 1 New Orchard Road Armonk, New York 10504-1722 United States
  • LinkedIn: www.linkedin.com/company/ibm
  • Twitter: x.com/ibm
  • Instagram: www.instagram.com/ibm

15. Itexus

Itexus provides DevOps and cloud infrastructure services covering infrastructure setup, optimization, migration, infrastructure-as-code, automated monitoring, and backup and restore. The company works with AWS, Microsoft Azure, Google Cloud, and IBM Cloud, while also supporting containerization and orchestration with Docker and Kubernetes.

The infrastructure offering also includes analysis of existing environments, identification of stability, scalability, and security risks, and improvements to deployment and configuration processes. Itexus has also handled infrastructure audits covering IaC, CI/CD, monitoring, logging, backup, recovery, and database configuration.

Key Facts

  • Best for: Cloud infrastructure and DevOps projects
  • Core services: Cloud infrastructure, DevOps consulting, infrastructure optimization
  • Cloud platforms: AWS, Microsoft Azure, Google Cloud, IBM Cloud
  • Infrastructure technologies: Terraform, Ansible, Docker, Kubernetes
  • Additional capabilities: Monitoring, backup and restore, CI/CD automation

Contact Information

  • Website: itexus.com 
  • Email: info@itexus.com 
  • Address: 8, The Green, STE road, Dover, DE 19901, United States
  • LinkedIn: www.linkedin.com/company/itexus 
  • Facebook: www.facebook.com/itexus 
  • Twitter: x.com/ItexusSoft 
  • Instagram: www.instagram.com/itexus.soft 

16. 21century.tech

21century.tech focuses on AI-native software engineering, with senior engineers handling architecture, business logic, code review, QA, security decisions, and production delivery. The company's engineering approach covers full-stack development, legacy refactoring, third-party integrations, CI/CD, testing, documentation, and deployment.

Infrastructure-related work is connected to the wider software engineering lifecycle, particularly through CI/CD automation, production deployment, integrations, and legacy system modernization. This makes the company relevant for projects where infrastructure engineering needs to remain closely connected with application development and technical delivery.

Key Facts

  • Best for: Software projects requiring infrastructure-aware engineering
  • Core services: Full-stack development, legacy refactoring, integrations
  • Infrastructure-related areas: CI/CD, testing, production deployment
  • Engineering focus: Architecture, security, QA, and production delivery
  • Delivery model: Senior engineering teams with AI-assisted development

Contact Information

  • Website: 21century.tech
  • Email: kirill@oski.site

Conclusion

Infrastructure managed services cover a broad range of needs, from cloud monitoring and DevOps support to network operations, hybrid infrastructure, modernization, and day-to-day management of production environments. The right provider depends heavily on the complexity of the existing infrastructure, the technologies already in use, and whether the business needs full operational outsourcing or engineering support around specific platforms.

For companies comparing providers, it makes sense to look beyond the basic service list. Support coverage, cloud expertise, automation capabilities, security practices, infrastructure-as-code experience, and the ability to work with both legacy and modern environments can all affect the quality of a long-term engagement. A provider that matches the technical structure of the organization is usually more useful than one offering a broader but less relevant service portfolio.

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