15 Best Managed Data Network Companies (2026)

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Managed data network services can cover several layers, from LAN, WAN, SD-WAN, and wireless infrastructure to cloud connectivity, monitoring, network operations, and ongoing infrastructure support. This overview includes large network service providers alongside engineering companies whose work is concentrated on cloud and application infrastructure. The list is intended as a practical comparison rather than an objective ranking.

1. Gilzor

Gilzor works primarily with startups, SMBs, and product teams that need software engineering connected closely with production infrastructure. Its technology stack includes AWS, Docker, Kubernetes, CDN services, HAProxy, NGINX, messaging infrastructure, and other components used to route, scale, and operate application traffic. Gilzor also handles production readiness, deployment, monitoring, reliability, and infrastructure improvements for digital products. Its fit is strongest where data networking requirements sit within a web, mobile, or cloud application environment rather than a standalone enterprise telecom network.

Key Facts

  • Best for: Product companies combining application development with cloud infrastructure
  • Core services: Managed data network, software engineering, cloud and DevOps, deployment, production support
  • Network-related technologies: HAProxy, NGINX, CDN, AWS, Kubernetes, Docker
  • Specialization: Production infrastructure for web and mobile products

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2. NTT DATA

NTT DATA provides managed network services covering LAN, WAN, SD-WAN, private wireless, edge environments, data centers, cloud networks, internet connectivity, and network security. Its services extend across the network lifecycle, including design, implementation, takeover of existing environments, monitoring, management, and optimization. The SPEKTRA management platform uses automation and AI-based functions for anomaly detection, root-cause analysis, SLA monitoring, compliance checks, and network performance visibility. This breadth makes NTT DATA relevant to enterprises managing distributed locations and mixed networking technologies.

Key Facts

  • Best for: Large distributed enterprise networks
  • Core services: Managed LAN, WAN, SD-WAN, internet connectivity, network security
  • Network scope: Campus, branch, edge, data center, cloud, and private wireless
  • Management approach: AI-assisted monitoring, automation, and network lifecycle services

Contact Information

  • Website: www.nttdata.com 
  • Phone: 800.745.3263
  • Address: 7950 Legacy Drive, 11th Floor, Plano, TX 75024
  • LinkedIn: www.linkedin.com/company/ntt-data-americas
  • Facebook: www.facebook.com/NTTDATANorthAmerica
  • Twitter:  x.com/NTT_DATA_NA
  • Instagram: www.instagram.com/nttdataplus

3. A-listware

A-listware offers managed IT and infrastructure services with a specific networking management component. Its managed environment can include switches, routers, Wi-Fi access points, modems, hubs, network servers, cloud resources, storage, security tools, and business applications. The company also provides continuous infrastructure monitoring and NOC management, alongside L1-L3 support and cloud administration. Businesses can use the service in fully managed or co-managed arrangements, making it relevant when network operations need to remain integrated with broader server, cloud, security, and application support.

Key Facts

  • Best for: Businesses outsourcing network and wider IT infrastructure management
  • Core services: Networking management, managed IT, NOC, infrastructure monitoring
  • Managed technologies: Routers, switches, Wi-Fi, servers, cloud, and storage
  • Delivery models: Fully managed and co-managed infrastructure services

Contact Information

  • Website: a-listware.com
  • Phone: +44 (0)142 439 01 40
  • Email: info@a-listware.com
  • Address: St. Leonards-On-Sea, TN37 7TA, UK
  • LinkedIn: www.linkedin.com/company/a-listware
  • Facebook: www.facebook.com/alistware

4. Kyndryl

Kyndryl Managed Network Services is designed around monitoring and operating enterprise network estates while supporting modernization as infrastructure requirements change. Its network practice addresses connectivity needed for distributed workforces, IoT environments, data-intensive applications, and enterprise operations. Kyndryl combines ongoing management with network transformation and broader Network and Edge services, making it suitable for organizations that need to operate existing infrastructure while gradually introducing more software-defined and automated networking approaches.

Key Facts

  • Best for: Complex enterprise network estates
  • Core services: Managed network operations, network modernization, monitoring
  • Specialization: Large-scale enterprise Network and Edge environments
  • Project scope: Existing network management combined with transformation

Contact Information

  • Website: www.kyndryl.com
  • Phone: +36 22 884 597
  • Email: kyndrylreception-BP@kyndryl.com
  • Address: 1112 Budapest, Balatoni út 2a / Budapest ONE, B tower
  • LinkedIn: www.linkedin.com/company/kyndryl
  • Twitter: x.com/kyndryl

5. Verizon Business

Verizon Business provides managed network services covering SD-WAN, LAN, wireless LAN, and integrated branch networking. Its managed LAN offering extends management from WAN routers into switches and wireless infrastructure, with automated fault monitoring, service-level commitments, incident notifications, and customer visibility through Verizon Enterprise Center. Managed SD-WAN adds application-aware routing and network optimization, while Managed SD Branch combines WAN, LAN, WLAN, security, IoT devices, and cellular gateways within a unified management environment.

Key Facts

  • Best for: Multi-site organizations requiring managed enterprise connectivity
  • Core services: Managed SD-WAN, LAN, WLAN, and SD Branch
  • Network management: Monitoring, fault isolation, reporting, and lifecycle support
  • Delivery scope: Fully managed and flexible management options

Contact Information

  • Website: www.verizon.com
  • Phone: +18338982779
  • LinkedIn: www.linkedin.com/company/verizonbusiness
  • Facebook: www.facebook.com/verizonbusiness
  • Twitter: x.com/verizonbusiness
  • Instagram: www.instagram.com/verizonbusiness

6. OSKI Solutions

OSKI Solutions combines managed IT services with cloud and infrastructure operations. Its managed offering includes proactive monitoring, alerting, incident response, maintenance, patching, backup verification, and ongoing AWS or Azure infrastructure management. Cloud and DevOps work extends into infrastructure architecture, networking, containers, observability, disaster recovery, Terraform, and Kubernetes. OSKI is particularly relevant when network management is part of a wider cloud application environment and the same engineering team needs to support infrastructure, databases, integrations, deployment pipelines, and application code.

Key Facts

  • Best for: Cloud-based applications requiring ongoing infrastructure operations
  • Core services: Managed IT, cloud operations, monitoring, DevOps, incident response
  • Cloud platforms: AWS, Microsoft Azure, Google Cloud
  • Infrastructure scope: Networking, containers, observability, CI/CD, and disaster recovery

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

7. BT

BT provides managed network and connectivity services for businesses operating across traditional, cloud, and hybrid infrastructure. Its networking portfolio includes managed SD-WAN, LAN, SASE, internet connectivity, and services for connecting private networks with major cloud platforms. Companies can choose fully managed or co-managed SD-WAN depending on how much operational control they want to retain. BT also combines connectivity with monitoring and technical support, making it relevant for organizations that want ongoing management of distributed networks rather than only network implementation. Direct connectivity options are available for AWS, Microsoft Azure, Google Cloud, and private cloud environments.

Key Facts

  • Best for: Businesses modernizing distributed WAN and cloud connectivity
  • Core services: Managed SD-WAN, LAN, SASE, internet, cloud connectivity
  • Delivery models: Fully managed and co-managed
  • Cloud connectivity: AWS, Microsoft Azure, Google Cloud
  • Network focus: Enterprise communications and hybrid network infrastructure

Contact Information

  • Website: business.bt.com
  • LinkedIn: www.linkedin.com/showcase/bt-business
  • Twitter: x.com/BTBusiness
  • Instagram: www.instagram.com/btforbusiness

8. Orange Business

Orange Business covers managed LAN and WAN requirements through services including Flexible SD-WAN, Flexible LAN, and cloud-managed SD-Branch. Flexible LAN provides management for LAN and WLAN infrastructure across branches, campuses, and data centers, with proactive patching and support. Its SD-WAN portfolio includes intelligent routing, centralized management, real-time monitoring, cloud connectivity, reporting, and security integrations. Orange Business also supports fully managed and co-managed arrangements, which can suit enterprises that want to retain different levels of internal network control.

Key Facts

  • Best for: International businesses with distributed LAN and WAN infrastructure
  • Core services: Flexible SD-WAN, Flexible LAN, SD-Branch, NaaS
  • Network scope: Branches, campuses, data centers, cloud environments
  • Delivery models: Managed and co-managed network operations

Contact Information

  • Website: www.orange-business.com
  • LinkedIn: www.linkedin.com/company/orange-business-services
  • Facebook: www.facebook.com/orangebusiness
  • Twitter: x.com/orangebusiness

9. net-devs

net-devs focuses on enterprise software and cloud platform engineering, with network-related work sitting within its Cloud & Platform practice. The team works with Azure, AWS, GCP, Terraform, and Kubernetes to create cloud-native infrastructure and deployment environments. Its delivery process continues through production deployment and ongoing iteration, making the company relevant to organizations whose data networking requirements are closely connected to application architecture, cloud platforms, infrastructure-as-code, and resilient distributed systems. The scope is particularly suitable for software-led infrastructure rather than carrier connectivity procurement.

Key Facts

  • Best for: Software teams managing network-dependent cloud platforms
  • Core services: Cloud architecture, platform engineering, infrastructure-as-code
  • Technologies: Azure, AWS, GCP, Terraform, Kubernetes
  • Specialization: Enterprise application and platform infrastructure

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

10. Lumen Technologies

Lumen provides managed data and voice network services with 24/7/365 operational support. Its managed network service can cover network design, procurement, installation, configuration, management, monitoring, automated alarming, ticketing, and equipment support. Lumen also offers managed WAN services covering SD-WAN and edge routers, plus internet, MPLS/IP VPN, and related connectivity options. This combination is relevant to organizations that want a provider to handle both the underlying connectivity and the ongoing operational work around network equipment and WAN infrastructure.

Key Facts

  • Best for: Organizations outsourcing WAN and connectivity operations
  • Core services: Managed network services, managed WAN, SD-WAN, MPLS/IP VPN
  • Operational scope: Design, deployment, configuration, monitoring, and support
  • Support model: 24/7/365 managed network operations

Contact Information

  • Website: www.lumen.com
  • Phone: 800‑871‑9244
  • Address: 100 CenturyLink Drive, Monroe, LA 71203
  • LinkedIn: www.linkedin.com/company/lumentechnologies
  • Facebook: www.facebook.com/lumentechnologies
  • Twitter: x.com/lumentechco
  • Instagram: www.instagram.com/lumentechnologies

11. GTT

GTT delivers managed networking over a global backbone, with services covering managed SD-WAN, internet, wide-area networking, cloud connectivity, SASE, Ethernet, MPLS, and related enterprise connectivity. Its managed SD-WAN model combines underlay connectivity, overlay software, and security policies under a single service, backed by continuous monitoring and management. GTT also handles provisioning and coordination with local access providers, which can simplify multi-country deployments where enterprises would otherwise need to manage separate carriers, circuits, and network technology vendors.

Key Facts

  • Best for: Distributed enterprises requiring global managed connectivity
  • Core services: Managed SD-WAN, WAN, internet, cloud connectivity, SASE
  • Management scope: Underlay, SD-WAN overlay, monitoring, and support
  • Network model: Global carrier and managed networking services

Contact Information

  • Website: www.gtt.net
  • Phone: 18335315110
  • Email: reachus@gtt.net
  • Address: 11525-B Stonehollow Drive, Suite 255, Austin, TX 78758, USA
  • LinkedIn: www.linkedin.com/company/gtt
  • Facebook: www.facebook.com/GTTCommunications
  • Twitter: x.com/gttcomm

12. SoftPro

SoftPro's network-related work sits within cloud development and infrastructure management. The company works with AWS, Azure, cloud-native architectures, migration, containerization, and ongoing infrastructure support, with its current service portfolio describing end-to-end management of cloud infrastructure alongside long-term application maintenance. That makes SoftPro relevant when networking is part of application hosting, cloud migration, data integration, or platform modernization. Its strongest fit is for businesses that want engineering, cloud infrastructure, and ongoing software support coordinated through the same technical team.

Key Facts

  • Best for: Cloud applications requiring infrastructure and software support
  • Core services: Cloud development, migration, infrastructure management
  • Cloud platforms: Microsoft Azure and AWS
  • Specialization: Microsoft-stack applications and cloud modernization

Contact Information

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

13. Logicalis

Logicalis provides network managed services that can cover routers, campus switching, wireless access and mobility, software-defined networking, network assurance, IoT networking, and network analytics. Depending on the engagement, the company can take responsibility for operation and maintenance while the customer retains ownership of the infrastructure. Logicalis also offers Network as a Service models for selected environments such as SD-WAN, allowing customers to consume networking through a recurring service model rather than managing every infrastructure component internally.

Key Facts

  • Best for: Enterprises seeking managed campus, data center, and WAN networking
  • Core services: Managed networks, SDN, wireless, network analytics, NaaS
  • Infrastructure: Routers, switches, wireless networks, IoT connectivity
  • Delivery models: Managed services and Network as a Service

Contact Information

  • Website: www.logicalis.com
  • Phone: +44 (0)1753 797100
  • Email: info@logicalis.com
  • Address: Building 8, Ground Floor, Foundation Park, Roxborough Way, Maidenhead, Berkshire, SL6 3UD United Kingdom
  • LinkedIn: www.linkedin.com/company/logicalis
  • Twitter: x.com/Logicalis

14. 21CENTURY.TECH

21CENTURY.TECH is an AI-native software studio whose infrastructure work is centered on production application delivery. Its process includes CI/CD, automated testing, documentation, and deployment to either client infrastructure or infrastructure used by the studio. This makes the company relevant to application-layer networking and deployment projects where infrastructure requirements are closely connected to APIs, integrations, web products, and cloud-hosted software. Its scope is most applicable when businesses need senior software engineering and deployment automation alongside the infrastructure supporting a digital product.

Key Facts

  • Best for: Application-layer infrastructure and deployment projects
  • Core services: Full-stack development, integrations, refactoring, CI/CD
  • Infrastructure scope: Production deployment and delivery automation
  • Delivery model: Miami-based, remote-first software engineering studio

Contact Information

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

15. Comcast Business

Comcast Business provides managed data networking for single-site and multi-site organizations through SD-WAN, Ethernet, managed routing, firewalls, SASE, and business connectivity services. Its SD-WAN offering is available through fully managed, co-managed, and customized hybrid operating models. Managed services can include network configuration, deployment, proactive monitoring, automated ticket creation, remediation, equipment support, and post-installation consultation. Comcast Business also manages routers and firewall configurations with 24/7 monitoring, making the provider relevant for companies that want connectivity and day-to-day network operations handled within the same service relationship.

Key Facts

  • Best for: Businesses combining connectivity with managed network operations
  • Core services: Managed SD-WAN, Ethernet, managed routers, firewalls, SASE
  • Delivery models: Fully managed, co-managed, and hybrid
  • Network operations: Proactive monitoring, remediation, configuration, and equipment support
  • Support: 24/7 network and customer support

Contact Information

  • Website: business.comcast.com 
  • Phone: (855) 439-8603
  • Email: business_referral_info@cable.comcast.com
  • LinkedIn: www.linkedin.com/company/comcast-business
  • Facebook: www.facebook.com/ComcastBusiness
  • Instagram: www.instagram.com/comcastbusiness

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Conclusion

Managed data network services can cover very different needs, from SD-WAN, LAN and WAN management to cloud connectivity, infrastructure monitoring, network operations, and application-level support. The right provider depends on whether a company needs large-scale enterprise networking, day-to-day infrastructure management, or closer integration between cloud platforms, software systems, and network-dependent applications.

When comparing providers, it is useful to look at the depth of their managed network capabilities, supported technologies, monitoring and incident response processes, geographic coverage, and whether they offer fully managed or co-managed delivery. Companies should also consider how well the provider can work with their existing infrastructure and support future network modernization without forcing unnecessary changes.

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