Top 16 Co-Managed IT Support Companies (2026)

Gilzor provides software development and technical services that can complement an existing IT department. Its work is relevant to businesses that need additional engineering capacity for application maintenance, custom software, integrations, and technical improvements.

For companies with internal IT staff, an external development team can handle application-level tasks while employees focus on infrastructure, users, and internal systems. 

NeoWork adds remote IT support staff to existing internal IT teams, which fits the co-managed model where the in-house team keeps ownership and an outside partner adds capacity. Its roles include help desk agents, technical support engineers, system administrators, and site reliability engineers from Colombia and the Philippines.

The support staff use the client's ticketing systems and tools and report to the client's IT lead, while NeoWork handles recruiting and benefits. NeoWork describes tiered, multi-tier support with round-the-clock coverage options. It works remotely, so on-site work stays with the internal team.

A-Listware offers managed IT services, IT outsourcing, infrastructure administration, and technical support. Its managed services cover device and operating system administration, cloud management, application support, security monitoring, and infrastructure optimization.

The company also provides co-sourcing with an in-house IT team as part of its outsourcing services. This model can suit organizations that already employ IT specialists but need external assistance with daily operations, new projects, infrastructure monitoring, or technical administration.

Electric provides managed IT support for businesses that need assistance with employee technology, IT administration, and infrastructure management. Its services include helpdesk support, device management, onboarding and offboarding, network support, and security-related IT operations.

The company is relevant to co-managed arrangements where an internal IT team retains responsibility for strategic decisions while an external provider handles recurring employee support and operational tasks. Its service model is particularly applicable to organizations with distributed or hybrid workforces.

OSKI Solutions provides managed IT services and software maintenance through an engineering-led model. Its services cover application monitoring, incident response, cloud infrastructure, security patching, database maintenance, integrations, and ongoing improvements.

The company explicitly offers IT support outsourcing and can work with existing teams rather than requiring a complete transfer of IT responsibilities. Its engineers support technologies such as .NET, Node.js, React, Angular, SQL Server, AWS, and Azure.

Ntiva provides managed IT services, cybersecurity, cloud services, and IT consulting. Its offerings cover infrastructure management, technical support, security operations, cloud environments, and technology planning.

For co-managed IT arrangements, Ntiva can be relevant to businesses that want to retain internal IT leadership while receiving additional assistance with service desk operations, infrastructure maintenance, cybersecurity, or specialized technical projects.

Itexus is a software development company working on custom applications, enterprise platforms, integrations, and digital products. Its services include application development, modernization, cloud-related engineering, and ongoing software support.

Although its primary focus is software engineering rather than traditional helpdesk administration, Itexus can complement an internal IT department that needs additional capacity for business-critical applications. This may include maintaining existing software, developing new functionality, or supporting integrations between internal systems and external platforms.

21century.tech provides technology and software development services for businesses requiring external engineering expertise. Its capabilities are relevant to organizations that need assistance with applications, digital platforms, and technical projects.

The company may be considered for co-managed IT arrangements where an internal department retains responsibility for everyday IT operations but outsources selected software tasks. This type of cooperation can help separate infrastructure administration from application development and modernization work.

Lengreo provides software development and technology services for businesses building or improving digital products. Its work is relevant to application engineering, custom software, and technical project delivery.

Companies with an internal IT department may consider Lengreo when they need external developers for application maintenance, new functionality, or technical modernization. This is a more specialized form of co-managed support, focused on software rather than the complete corporate IT environment.

Integris provides managed IT services, cybersecurity, cloud services, and technology consulting. Its offerings address infrastructure administration, IT support, security management, and technology planning.

The company is relevant to co-managed IT environments where an internal IT department needs additional operational resources or specialized expertise. Depending on the engagement, an external provider can support infrastructure, security, cloud administration, or recurring technical tasks while internal employees retain oversight of business priorities.

net-devs provides software development and technical engineering services for businesses with custom application requirements. Its work can include web applications, backend systems, integrations, and ongoing development support.

For companies using a co-managed IT model, net-devs may be relevant when the internal department handles infrastructure and user support but requires external developers for application maintenance or new technical initiatives. The distinction is important: software engineering support addresses application needs, while a traditional MSP usually focuses on broader IT operations.

Thrive provides managed IT services, cybersecurity, cloud solutions, and technology consulting. Its services cover IT infrastructure, security, cloud environments, and ongoing technical support.

A co-managed engagement with Thrive may suit businesses that have internal IT employees but need additional assistance with infrastructure administration, security operations, cloud management, or specialized technical tasks. The division of responsibilities can be arranged around the existing team's capabilities and the organization's operational requirements.

Mobian provides software development services for mobile and web applications. Its work includes application engineering, user experience, backend development, and digital product delivery.

For internal IT teams, Mobian can serve as an external engineering resource when application development or maintenance exceeds available internal capacity. Its relevance to co-managed IT support is strongest in environments where the IT department oversees infrastructure and operations while an outside team handles mobile applications, web platforms, or related technical work.

Impact Networking provides managed IT services, cybersecurity, cloud solutions, and technology consulting. Its services are designed to support business technology environments, including infrastructure, security, and ongoing IT operations.

The company can be relevant to co-managed arrangements where internal IT personnel need outside assistance with infrastructure management, security initiatives, cloud administration, or technical projects. Its broader service portfolio may suit businesses looking to combine internal technology leadership with external operational resources.

All Covered provides managed IT services, cybersecurity, cloud solutions, and IT consulting. Its services address infrastructure administration, technical support, security, and business technology management.

For organizations with an internal IT department, All Covered may be relevant when additional support is needed for infrastructure, cloud environments, security operations, or recurring technical administration. The co-managed model can divide responsibilities between internal employees and external specialists according to the organization's needs.

SoftPro is a software development and technology services company offering custom software engineering and related technical capabilities. Its work is relevant to organizations that need help developing, maintaining, or improving business applications.

A co-managed arrangement with a software engineering provider can be useful when an internal IT department owns infrastructure, users, and technology planning but lacks sufficient development resources. SoftPro may fit projects involving application changes, integrations, modernization, or additional engineering capacity.