Professional Managed IT Services in New Haven

The teams at Kelser are some of the most collaborative and professional

I’ve had the opportunity to work with in the past 15 years. They are kind, fair and exceed expectations across the board!

Kelser’s charitable golf event is one of those rare combinations of purpose and people done right. It supports a truly meaningful causes.   What stands out just as much is the Kelser team—great people who consistently go above and beyond, volunteering their time and energy to make the event first-class year after year.

It’s also a reflection of the kind of partner Kelser is in business: collaborative, generous, and committed to building strong, lasting relationships. Proud to support an event—and a team—that leads with both heart and integrity.

Honesty, integrity and a commitment to their clients and the community.. in the 3 decades I have known and worked with the Kelser organization I see these qualities in every thing they do.   Happy to give them a 5 star review

Friendly, efficient and attentive..We were at the end of the contract with a very large, difficult to work with MSP and Kelser was one of our choices as a new MSP. Lisa at Kelser was very patient and attentive to our needs while I worked to tie up loose ends with our previous MSP. Lisa put together a plan that was appropriate for our small (9 person) company. The time and effort that she put into our proposal and our specific requirements stood out against other prospective MSPs. When we signed on with Kelser - they were quick to move to help us meet transition deadlines. They made the transition from our previous MSP, much smoother than I was expecting it to be. That alone was huge!

Kelser assigned us a small team, all of whom we met face to face. They made it very clear what their roles were and who to contact for what. I met with each member of the team for various portions of the transition and it became clear that our tech issues were always going to be addressed by people who were familiar with our environment - (rather than our previous MSP with any number of technicians that I never worked with, whom weren't familiar with our systems, breaking stuff while fixing other things and then billing us for all their wasted time).

Kelser has been very efficient with their time and my time. We've been with Kelser for a few months and already I am VERY HAPPY with the level of service they've provided and with how EASY it is to work with them. I am regularly impressed by their professionalism and depth of experience.

As a trusted partner, we’ve had the opportunity to work closely with Kelser Corporation of Glastonbury, Connecticut and the experience has consistently exceeded expectations. Their team brings a high level of professionalism, technical expertise, and accountability to every engagement. Kelser operates with integrity and transparency, making collaboration, seamless and effective from planning through execution. What truly sets them apart is their commitment to understanding their customers needs and delivering solutions that are both practical and forward thinking.

I’ve worked with the Kelser team for over 10 years and they have always been professional   reliable and responsive. Highly recommended!

Kelser provided much needed guidance in protecting our company from cyber attacks along with additional IT support needed for a mid-size company.

I play every year in the Kelser Charity golf tournament and always have a wonderful time. Lisa collects great prizes for the silent auction, I always come home with at least one unique item.

It is a welcome pleasure dealing with a professional, thorough, and knowledgeable person like Lisa Carroll.

Extremely knowledgeable, professional and easy to work with. Rapid response with any problems and concerns. Highly recommend.

“Kelser Corp. is an outstanding MSP that consistently delivers expert solutions while proactively identifying and alerting us to potential issues before they become problems.”

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Great customer service!

Working with Kelser Corporation has been an outstanding experience for our organization. Their team demonstrates a high level of expertise, professionalism, and responsiveness that sets them apart from other MSP's!

Kelser’s staff is both knowledgeable and responsive, definitely a trusted partner. They allow me to not have to worry about the ever change technological environment so I can focus on the things I am trained and tasked to do. Lastly, they are great people who you can have conversations beyond just computers or business and develop good friendships.

Kelser has thoughtful and caring employees, which makes all the difference!

My company has been working with Kelser for the past few months and everyone I have come across has been highly responsive and knowledgeable. Lisa in particular is a pleasure to work with and so supportive. Very glad I found Kelser, it's hard to find companies like these nowadays. Keep up the great work and thanks for supporting my small business!

We have been working w/Kelser for the greater part of 10 years, and they have been a breath of fresh air when it comes to overall IT know-how and cyber security in the current age.  While we have our own in-house IT staff, Kelser has been instrumental in helping assist on both small and large projects, have been a backstop for day-to-day troubleshooting, and have acted as our vCIO for the last few years.  At every step of the way, Kelser has provided a professional and personal experience and I look forward to our continued collaboration and partnership moving forward.

As a small nonprofit, we are grateful to have trusted and professional partners at Kelser to keep our technology running smoothly. Over the last 6+ years we’ve appreciated their responsiveness, guidance, and the prevention measures they’ve put in place to manage our IT environment. With their expertise and support, our team is able to dedicate more time to our mission. Keep up the good work, Kelser!