Managed IT. Simply Managed.

See Pricing Book a Meeting

Managed IT Services Built for Business Continuity

Whether we handle all your IT needs or work collaboratively with your in-house team, our comprehensive managed IT services ensure that your business runs smoothly 24/7. If you’re looking for professional IT services – our team is ready and able to be your trusted partner.

TRUSTED BY:

Your business needs a professional and trusted IT partner.

Simply put, it’s not in your wheelhouse – it’s in ours.  Together, our team has decades of experience supporting businesses with their information technology needs and a passion for the ever-evolving world of technology.

Properly managed IT can be an asset to your business, while poorly managed IT can hinder your growth.  It’s our job to understand what your technological needs are and be there to support you every step of the way for the ultimate security, privacy, and accessibility plan.

Unsure where to start?

Take our IT Maturity Self-Assessment

What New Hampshire Clients Say About Nessit Managed IT

Real feedback from organizations experiencing better IT performance, security, and service

We have been working with Nessit as our managed IT service provider since early 2020. During that time, they have been instrumental in helping us navigate the needs of a technology-dependent design firm with multiple offices, all in the time of COVID. Because of their forward-thinking approach, we have been able to stay ahead of our needs and keep everyone fully productive from their home offices

Adam
Founder and Owner
Market Square Architects

Since switching to Nessit I have been impressed by their thoroughness and attention to detail as well as their quick response when issues arise. Geoff and his team have been very professional in meeting our needs from the very beginning.

Ryan
CEO
D.F. Richard Energy

Nessit has been a pleasure to work with at our school. They are responsive and work to fix issues in a timely manner. Communication has been transparent, effective, and clear. We’ve appreciated being able to email the Helpdesk and get a quick response and have also been impressed with the support from leadership in larger matters. We would recommend Nessit to anyone looking for reliable IT support.

Maegan
Principal
Sacred Heart School

Thank you for your continued effort in offering a positive customer experience. Every single person I have interacted with at Nessit has been extremely polite, knowledgeable, and patient.

Business owner
New Hampshire

Nessit is providing us with great support typified by the following behaviors/actions: Highly responsive and adaptive to changing needs.Supporting developing scope and pricing for key initiatives.Always patient and constructive.Our employees, along with our Board of Directors, have been very pleased with the switch over to Nessit as our IT managed services partner.

Molly
Director of Operations
Realtime Robotics

Partnering with Nessit transformed our agency. Claims move faster, compliance is no longer a stress point, and our clients love the new self-service portal.

VP of Operations
Regional Insurance Agency

Working with Nessit for the past 5 years has been one of my best vendor experiences. They are incredibly proactive, often resolving issues before we even notice them. What truly sets them apart is their knowledgeable team; they have a rare ability to explain complex technical problems in plain English.
Nessit doesn’t just wait for tickets—they actively look for ways to take work off my plate and streamline our processes. By taking full ownership of our infrastructure and always volunteering to take on more responsibility, they’ve completely removed the ‘IT burden’ from my daily routine. I can’t recommend them enough.

Erin Joyce
NCIEA

My company has contracted with Nessit for 6 years (since 2020). They are nothing short of AMAZING! The staff are knowledgeable, professional and pleasant. They have so much patience. Their prices are reasonable for the high quality of services delivered. Don’t second guess yourself.. choose Nessit!

Amy
Owner
Foundations Counseling

I highly recommend NESSIT for any IT needs. Geoffrey Ness and his entire team of technicians are incredibly knowledgeable and professional. They stick with every issue until it is completely resolved, never leaving a job unfinished. They also work seamlessly with our other vendors and support teams, which makes everything much easier for us. Excellent service all around.

Chris
Lead Detective
Town of Bristol NH

How Nessit Drives Reliable IT Success for New Hampshire Clients

NCIEA | Proactive IT Support That Removes the Daily IT Burden

NCIEA | Proactive IT Support That Removes the Daily IT Burden

NCIEA needed a dependable IT partner who could manage infrastructure while simplifying complex technical challenges. Over five years of partnership, Nessit delivered proactive support, streamlined processes, and clear communication—allowing NCIEA’s team to focus on their core mission.
See More
Boston-Based Software Company | Reliable IT Support That Adapts to Changing Needs

Boston-Based Software Company | Reliable IT Support That Adapts to Changing Needs

A Boston-based software company needed an IT managed services partner that could provide reliable support while adapting to evolving business needs. Nessit delivered responsive service, strategic guidance, and a collaborative approach that earned the confidence of employees and leadership alike.
See More
Architectural Firm | Keeping a Multi-Office Team Productive During COVID

Architectural Firm | Keeping a Multi-Office Team Productive During COVID

When the shift to remote work disrupted normal operations, this architectural firm needed reliable IT support to keep its teams connected and productive. Nessit helped the firm stay ahead of its technology needs, enabling seamless collaboration across multiple offices and home workspaces
See More

OUR AWARDS

Who We Serve

Governments

We understand the complexities within government agencies and the laws that must be followed.  Our team will help you cut through the red tape so you can focus on the important work.

Governments

Architectural Firms

Being able to easily access your files or share them with clients means getting work done faster and hitting deadlines on time without worry.

Architects

Engineering Firms

Working with large teams and complex files can be difficult, but it doesn’t have to be.  We’ll keep it simple and secure for you and your clients.

Engineers

Professional Services

Every business is different and has different IT needs.  We’re experts at helping businesses of all shapes and sizes run smoothly with our managed and co-managed IT services.

Professionals

The Nessit Difference

We are a dedicated team of professionals who are committed to your success. When we say we’re client-focused, we really mean it. Our core values of trust, integrity, and friendliness are evident with every project and every client. The boutique approach we take to customer service means that you’re not getting a cookie-cutter solution for your IT needs; it means you’re getting a customized solution that meets you where you are and is designed to grow with you.

Nessit was founded with the understanding that not everyone is as passionate about technology as we are. We do this for the love of it. Since 2004 we’ve helped businesses focus on their visions while we take care of their technological needs.

Our Partners

This will close in 0 seconds