Top Managed IT Companies in Portsmouth

John Ewert Computer Services

Responsive, reasonably priced IT for Portsmouth businesses.

✓ Verified Provider ⭐ 5.0/5 Stars
Portsmouth, NH
10–49 employees
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John Ewert Computer Services is a managed IT services provider based in Portsmouth, NH. Across 5 verified Google reviews it averages 5.0 out of 5, a public track record you can weigh during diligence. It focuses on Managed IT Services, Cybersecurity & Threat Protection, Cloud Services & Migration, IT Help Desk & End-User Support. Compare it against other Portsmouth managed IT providers, then request a quote.

Vetted by the Best IT MSP editorial team · Last updated June 2026

About John Ewert Computer Services

John Ewert Computer Services reviews hold a 5.0 Google rating across 5 ratings, a small but consistent set. Denise Martel praises a quick response, a very reasonable rate, and an impressive turnaround; Ann Cummings calls John top-notch and the only person they use, noting he will come to you or take the equipment, whatever works. Don Chick describes John as his go-to for computers, prompt and helpful across acquisitions and troubleshooting.

Working from Portsmouth, John Ewert Computer Services delivers managed IT services, cybersecurity and threat protection, and cloud services and migration to professional services, insurance, and education clients in the area. The reviews emphasize flexible, personable service at fair rates, the hallmark of a close-knit provider that treats each client individually rather than as a ticket number.

The service set also includes IT help desk and end-user support and backup and business continuity, delivered as managed, security-led IT rather than one-off break-fix calls. For a Portsmouth business that values a responsive, knowledgeable contact and reasonable pricing over a big-vendor brand, John Ewert's perfect rating across a modest review count is a fair starting point to verify.

Services Offered

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Managed IT Services
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Cybersecurity & Threat Protection
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Cloud Services & Migration
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IT Help Desk & End-User Support
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Backup & Business Continuity

Industries Served

📋 Professional Services
🛡️ Insurance
🎓 Education

Why Choose John Ewert Computer Services

5.0 Across 5 Google Reviews

John Ewert reviews average a perfect 5.0 over 5 ratings, with clients citing quick response, reasonable rates, and broad technology knowledge.

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Portsmouth-Based and Flexible

Working from Portsmouth, the firm will come on-site or take equipment in, and handles most issues remotely for area clients.

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Managed, Security-Led IT

Cybersecurity, cloud migration, and backup and business continuity are delivered as proactive managed IT, not reactive repair calls.

Location

Portsmouth, NH

Certifications & Compliance

Microsoft Partner

Frequently Asked Questions

What do John Ewert Computer Services reviews say?

Across 5 verified Google reviews, John Ewert Computer Services averages 5.0 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does John Ewert Computer Services provide?

John Ewert Computer Services delivers Managed IT Services, Cybersecurity & Threat Protection, Cloud Services & Migration, IT Help Desk & End-User Support, Backup & Business Continuity to organizations across Portsmouth, NH.

What area does John Ewert Computer Services serve?

John Ewert Computer Services is based in Portsmouth, NH and supports businesses across Portsmouth and the greater metro area.

Is John Ewert Computer Services certified?

John Ewert Computer Services carries Microsoft Partner.