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Enjoy seamless, reliable technology with a team that’s always ready to help.
Average response time
Supporting Connecticut businesses
Seamless onboarding
Family-owned, community-focused
IT Support Windsor
Get industry-leading IT support and response times for Connecticut businesses—plus a team that truly cares about your success.
Kelser has supported businesses since 1981. Our 36-person team brings decades of experience to your IT challenges.
We’ll match comparable pricing from your current provider. You’ll also save 10% on your first year with Kelser.
Our certified experts support both Apple and Windows environments. Your Apple and Windows devices can all be managed by one team
Managed IT clients receive a response in under five minutes. Your team gets fast access to experienced engineers.
Choose an agreement that suits your business. A three-year partnership also includes one free month of managed IT services each year.
We can manage your IT vendors for you. Your team gets one point of contact instead of juggling multiple providers.
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IT Support Windsor
We keep your business running smoothly with easy-to-use, automated solutions—so you can focus on what matters most.
We handle every technology task, from updates to repairs, so you don’t have to think about IT at all.
Already have an internal team? We work alongside them, filling gaps and boosting your technology with expert help.
We protect your business from threats and help you meet industry regulations, so you can rest easy.
Your network stays fast, secure, and reliable—whether you’re in the office or working remotely.
Our help desk is always open for fully managed clients, so you’re never left waiting when you need help.
As a family-owned company, we care about your business’s success and love seeing local companies thrive with the right technology.
IT Support Windsor
We offer a full range of IT support in Windsor services, tailored to your business’s needs and goals.
IT Support Windsor
We proudly support healthcare, non-profits, manufacturers, financial institutions, law firms, and professional services small and medium-sized businesses with specialized IT solutions.
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We help healthcare providers stay secure and compliant, so you can focus on patient care without worrying about technology.
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Our team delivers affordable, reliable IT support in Windsor that helps non-profits maximize their impact and keep donor data safe.
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We keep your production lines running smoothly with secure, efficient technology and fast support for your team.

Stay compliant and protect sensitive client data with robust security and expert IT consulting tailored for financial businesses.
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Your firm benefits from secure, confidential technology solutions that keep your client information protected and your team productive.
You’ll never have to worry about your technology again. Our team delivers industry-leading IT support and response times for Connecticut businesses, so you can stop recurring IT problems and focus on growth. Most of our clients have between 25 and 150 users, with many in the 25–70 range.
You get fast response times, friendly and knowledgeable support, and a team that truly understands your business, plus the human touch that makes you feel valued from day one.
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IT Support Windsor
Our team is certified and trusted by top technology partners, including Lenovo, Dell, HP, Cisco, Fortinet, Apple, Ubiquiti, Meraki, Todyl, Agile Blue, Sophos, Datto, Microsoft, and Aruba.
These partnerships ensure you get the best, most reliable IT solutions available.
IT Support Windsor
We’re proud to be recognized as a CRN Triple Crown Award Winner (2020) for top performance in revenue, growth, and technical expertise. Our team has earned spots on the CRN Tech Elite 250, CRN MSP 500 (Elite 150), and CRN Solution Provider 500 lists for multiple years, reflecting our commitment to excellence.
We’ve also been honored by Inc. 5000 Regionals and Cloudtango MSP US, and recognized as a Hartford Courant Top Workplace for our strong culture and employee engagement.
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IT Support Windsor

Never an issue with Rob Backus responding to my/our needs on a daily basis. He's the best and we are lucky to have him here for us
IT Support Windsor
Let’s talk about how our IT support in Windsor can help your business thrive. Call 860-610-2200 to get started.

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IT Support Windsor
We stand behind our service with a 90-Day IT Fix Guarantee. We promise to eliminate recurring IT issues fast and meet strict SLO performance standards, so technology never slows your business down.
If you’re not 100% happy with us as your managed IT provider during your first 90 days, just let us know—we’ll make it right and pay you for your trouble. Your peace of mind is our top priority.
IT Support Windsor
Fill out the form below. We’ll respond quickly so your business can get the help it needs right away.
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Our average response time is under five minutes, so you get help quickly—no waiting, no frustration, just fast, friendly solutions from our local team.
You get direct access to certified, experienced engineers, strict SLA-backed response times, and a dedicated IT consultant who plans technology around your business goals.
Yes, we specialize in compliance for healthcare, finance, and other regulated industries, making sure your business meets all local and industry requirements.
We use advanced tools and monitoring to protect your business from threats, plus regular reviews to keep your systems and data safe.
We handle everything—network management, cybersecurity, cloud, backup, and ongoing support—so you never have to worry about your technology.
Absolutely. Our team provides regular onsite visits and support, gets to know your business, and solves issues before they disrupt your day.
Yes, we offer month-to-month service, no long-term contracts, and pricing that matches your needs—perfect for small and growing businesses.
Just call 860-610-2200 or email info@kelsercorp.com. We’ll set up a friendly, no-pressure consultation to discuss your business’s needs.