Top Managed IT Companies in Greenville

Plus Inc

A 60-year Greenville firm rated 5.0 for managed IT and office technology.

✓ Verified Provider ⭐ 5.0/5 Stars Est. 1962
Greenville, SC
10–49 employees
Founded 1962
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Plus Inc is a managed IT services provider based in Greenville, SC, operating since 1962. Across 106 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, Remote Monitoring, Backup & Disaster Recovery, Firewall Management. Compare it against other Greenville managed IT providers, then request a quote.

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

About Plus Inc

Plus Inc reviews average a flawless 5.0 across 106 Google ratings, and the stories behind the score are vivid. A receptionist describes a technician named Doye who worked a stubborn fax-and-phone-line problem continuously for three weeks; other clients credit Tom, Mert, Joe, and Robert for fast printer and phone-system installs, and one calls a representative named Emily a model of step-by-step customer service.

In business since 1962 and based in Greenville, Plus Inc serves small business, professional services, healthcare, finance, and manufacturing clients. That six-decade history shows up in reviews that span repeat, long-term relationships rather than one-off fixes.

Its work covers managed IT, cybersecurity, remote monitoring, backup and disaster recovery, firewall management, email, and printer service. For a small or mid-size Greenville business that wants a genuinely local team to manage and support its technology, the review record points to patient, reliable service that sees problems through to resolution.

Services Offered

🖥️
Managed IT Services
📡
Remote Monitoring
💾
Backup & Disaster Recovery
🔒
Firewall Management
📧
Email Solutions
🖨️
Printer Service

Industries Served

🏬 Small Business
💼 Professional Services
🏥 Healthcare
💰 Finance
🏭 Manufacturing

Why Choose Plus Inc

5.0/5 From 106 Google Reviews

A perfect 5.0 across 106 ratings, with reviewers recounting technicians who stuck with hard problems for weeks, is about as reliable a signal as a buyer can find.

📍

Serving Greenville Since 1962

More than 60 years in Greenville gives Plus Inc deep local roots and the kind of long-running client relationships the reviews describe firsthand.

🔒

Monitoring, Backup, and Recovery

Plus Inc runs remote monitoring, firewall management, and backup and disaster recovery so small businesses can recover quickly and keep operating after an outage.

Location

Greenville, SC

Certifications & Compliance

Microsoft partner solutions
Managed cybersecurity
Backup & disaster recovery
Office technology

Frequently Asked Questions

What do Plus Inc reviews say?

Across 106 verified Google reviews, Plus Inc averages 5.0 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does Plus Inc provide?

Plus Inc delivers Managed IT Services, Remote Monitoring, Backup & Disaster Recovery, Firewall Management, Email Solutions, Printer Service to organizations across Greenville, SC.

What area does Plus Inc serve?

Plus Inc is based in Greenville, SC and supports businesses across Greenville and the greater metro area.

When did Plus Inc start?

Plus Inc has been operating since 1962.

Is Plus Inc certified?

Plus Inc carries Microsoft partner solutions, Managed cybersecurity, Backup & disaster recovery, Office technology.