Kelser
A▸About
You're an expert at what you do for your business. But the IT that keeps your business secure, connected, and running smoothly requires an expertise all its own. That's where we come in. We clear the roadblocks holding you back and turn your technology challenges into business advantages. Kelser Corporation's mission is to invite boundless creativity to achieve outcomes that inspire confidence. With over 30 years of experience, Kelser remains a hallmark of reliability, efficiency, and innovation for today's largest providers and their supporting technology. Our products and services solve complex computing challenges and provide maximum stability, security, and scalability.
- HQ
- 43 Western Blvd, Glastonbury, CT 06033 · Map ▸
- Phone
- +1 860-610-2200
▸Website snapshot
▸Firmographics
- MSP type
- MSP
- Ownership
- Independent
- Revenue
- Above $50M
- Total funding
- —
- Employees
- 38
- Growth 12m
- -4.7%
- Growth 24m
- 11%
- Hiring now
- Yes · — roles
- Footprint
- Regional· CT, MA
- HQ
- 43 Western Blvd, Glastonbury, CT 06033
- Locations
- 1
- Phone
- +1 860-610-2200
- Domain registered
- 6/8/2010
- Web platform
Hubspot Cms
- Email provider
Barracuda
- NAICS
- 541512, 541519
▸Positioning
Microsoft 365Linkedin WidgetHubSpot
FacebookHubspot Content HubJamfPriority HintsReactShutterstockHotjar
OutlookGoogle MapsFacebook SdkCaptchaGoogle Font APIGoogle Analytics 4 (ga4)Apple Business ManagerMicrosoft Advanced Group Policy ManagementMicrosoft PowershellWider PlanetRecaptcha
ConnectWiseAutopilotGoogle Search CentralMicrosoft 365 Apps & Services
CloudflareApple School ManagerOpen GraphGoogle AnalyticsViewport MetaTuneHstsMicrosoft Email ProvidersGoogle Tag ManagerAzure Active Directory B2CMicrosoft ExchangeBarracuda Email Security Service
SalesforceMobile FriendlyBasinFacebook Login (connect)Microsoft Windows Server 2000JqueryLottiefilesHttp/3Webflow HostingGoogle Search ConsoleRemote Desktop ServicesGoogle Maps (non Paid Users)
WebflowHubspot Marketing HubAmazon CloudfrontGoogle Hosted LibrariesLucky OrangeJsdelivrFacebook Pixel▸Maturity score breakdown
- Classification20
- Size14
- Tech Stack9
- Verified Email8
- Verticals6
- Multi Source6
- Certifications5
- Reviews Volume5
- Market Centrality5
- Hiring4
- Revenue4
- SEO Presence4
- Decision Makers4
- Service Breadth4
- Footprint3
- Marketing Site2
- Pricing Page1
▸Team by department
- Information Technology10
- Engineering9
- Support5
- Sales4
- Finance4
- Operations2
- Business Development2
- Marketing1
- Accounting1
- Consulting1
- Human Resources1
▸Reputation timeline
- 5★5
- 4★0
- 3★0
- 2★0
- 1★0
▸Voice of customer
Kelser is consistently praised as a highly reliable, responsive IT partner that anticipates problems, delivers quality solutions, and enables clients to focus on their core business.
- ✓Responsive and proactive problem-solving
- ✓True business partner with long-term relationships
- ✓Knowledgeable staff and high-quality solutions
▸Google reviews
- Susan Fuller5/18/2026★★★★★5.0
Kelser has been in business for a very long time. They are a highly regarded IT company with customer relationships spanning decades. They become your “partner” in business. Kelser has an outstanding record in producing high quality IT solutions. They are dependable, reliable, and always professional with a focus on quality that is unsurpassed.
- Kat L4/21/2026★★★★★5.0
I don't use the word 'partner' lightly, but that is exactly what Kelser is to us. They have become a seamless extension of our team — friendly, responsive, and always ready to meet us where we are. Whether we need quick helpdesk support, help managing a larger project, or expertise navigating a cybersecurity concern, they handle it all with professionalism and ease. What I appreciate most is their ability to move quickly and adapt to our needs without missing a beat. Our business runs smoothly in part, because of them, and I genuinely could not imagine operating without them in our corner.
- Heather Flannery4/21/2026★★★★★5.0
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!
- Nicholas Pescosolido4/17/2026★★★★★5.0
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.
- Samantha Nook4/14/2026★★★★★5.0
Kelser has been an outstanding IT partner for our organization. Their team is responsive, knowledgeable, and genuinely invested in our success. Whether it’s day‑to‑day support or larger strategic initiatives, they consistently deliver clear guidance, fast resolution, and proactive solutions that keep our systems secure and running smoothly. Kelser doesn’t just fix problems—they anticipate them and help us plan for the future. We truly value their professionalism, reliability, and the peace of mind they provide. Highly recommended!