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Co-Managed IT Services

A true extension of your internal IT team, built for long-term partnership

What is Co-Managed IT?

Internal IT teams carry a tremendous responsibility as security pressures rise, resources remain limited, and technology grows more complex.

Reaching true operational maturity is about building smarter systems, dependable processes, and partnering with experts who care about your mission.

Our co-managed IT approach equips internal teams with clarity, stability, and strengthened operations through thoughtful IT services, cybersecurity, and AI-supported automation. The impact is proven through real client experiences, measurable improvements, reduced backlogs, and meaningful risk mitigation.

At Mainstay, we collaborate with your team to augment their capacity and support their success for the long term.

 

The co-managed IT model has been a perfect fit. Our in-house team and Mainstay have truly partnered to support our growth.

Joe Shoemaker
Chief Operating Officer, Shaheen & Gordon, P.A.

Contact Us

We are known for:

  • Exceptional team members
  • Fast support
  • Consistent high quality
  • Industry-leading cybersecurity
  • Wise guidance and planning

Why Organizations Choose Co-Managed IT

Solving the Biggest Pain Points for Internal IT Teams 

  • Alleviate Overload
     When tickets and projects pile up, internal IT teams can struggle to keep pace. We provide additional bandwidth and support so your team can focus on what matters most. 
  • Access Deep Expertise
     From cybersecurity to cloud architecture, our specialists bring a depth of experience that complements your team’s strengths and helps tackle complex challenges with confidence. 
  • Reduce Burnout, Increase Retention
     Empowering your IT staff with a reliable partner prevents burnout, boosts morale, and helps your organization retain top talent. 

How We Partner with You

A Seamless, Strategic Partnership, Mapped Out from Day One 

Every co-managed partnership begins with clear alignment. Before onboarding, we work hand-in-hand with your IT and executive leaders to map out every responsibility, process, and point of contact. This ensures a smooth, seamless transition, with zero confusion about who handles what. From day one, everyone’s on the same page, and the collaboration feels natural.

Watch the IT Services Overview

Ryan Robinson, retired Senior Director, shares more about service quality, breadth of expertise, and team structure.

IT Onboarding Roadmap

What do the first 30 days and beyond look like with Mainstay? Our Client Transformation team guides you through a smooth transition. View the full roadmap.

What You Gain with Mainstay’s Co-Managed IT Partnership

 

Reduced Stress on

Internal Teams

 

Strategic IT Guidance

from Seasoned Experts

 

Cybersecurity Resilience
and Proactive Monitoring

Shared 

Visibility

Flexible, Cost-Effective Scaling Options 

Shaheen & Gordon: Enabling IT Excellence for a Multi-State Law Firm

Shaheen & Gordon, P.A., a full-service law firm with more than 65 attorneys and locations across New Hampshire, Massachusetts (Cape Cod), Maine, and Hawai‘i, needed a way to bolster their internal IT team’s capabilities as the firm expanded and their technology demands grew.  

By partnering with us under our Co-Managed IT Services model, we became an integrated extension of their IT department. We helped map out and share responsibilities up front so the transition was seamless, including: helpdesk escalation, network monitoring, patch management, and strategic IT planning, while their internal team retained ownership of core firm infrastructure and user-relations. 

The outcome: a smoother workflow, increased visibility into IT operations, faster response times, and less stress on their internal staff, enabling Shaheen & Gordon’s IT department to focus on supporting the firm’s legal operations, client service, and regional growth.