Top Managed IT Companies in St. Catharines

Fusion Computing

Managed IT that keeps St. Catharines operations running.

✓ Verified Provider ⭐ 4.9/5 Stars Est. 2012
Dundas, ON (serving St. Catharines)
10–49 employees
Founded 2012
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Fusion Computing is a managed IT services provider based in Dundas, ON (serving St. Catharines), operating since 2012. Across 22 verified Google reviews it averages 4.9 out of 5, a public track record you can weigh during diligence. It focuses on Managed IT Services, 24/7 Remote Monitoring, Cybersecurity, Microsoft 365 Administration. Compare it against other St. Catharines managed IT providers, then request a quote.

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

About Fusion Computing

From its base in Dundas, Fusion Computing looks after St. Catharines-area companies with managed IT, cybersecurity, and cloud services plus everyday support.

Clients score Fusion Computing 4.9 out of 5 on Google across 22 reviews, a sign of dependable results for St. Catharines-area businesses. The firm has been operating since 2012.

On the service side, Fusion Computing offers managed IT, cybersecurity, cloud services, help desk support, vCIO and IT strategy, and backup and disaster recovery, with a mid-size team backing automotive businesses, professional-services firms, and financial-services firms throughout the St. Catharines area.

Services Offered

🖥️
Managed IT Services
📊
24/7 Remote Monitoring
🔒
Cybersecurity
📧
Microsoft 365 Administration
💾
Backup & Disaster Recovery
🤝
vCIO Strategic Planning
🛟
Help Desk Support
🔧
Patch Management

Industries Served

🚗 Automotive
🏥 Healthcare
🍇 Wine & Hospitality
📋 Professional Services
🏭 Manufacturing
💰 Financial Services

Why Choose Fusion Computing

⭐

4.9/5 From 22 Google Reviews

A 4.9-star rating across 22 verified reviews gives any St. Catharines buyer doing diligence solid proof of steady work.

📍

On-Site Coverage in St. Catharines

Working from Dundas, Fusion Computing can send technicians on-site throughout St. Catharines while clearing most tickets remotely.

🛟

Responsive Help Desk

Fusion Computing staffs a live help desk so St. Catharines employees get a real engineer fast, stopping small issues before they turn into outages.

Offices

Fusion Computing lists 3 offices. Choose one to see it on the map.

Certifications & Compliance

✓
CISSP-Led Security
✓
SOC 2
✓
ISO 9001
✓
Microsoft Partner

Frequently Asked Questions

What do Fusion Computing reviews say?

Across 22 verified Google reviews, Fusion Computing averages 4.9 out of 5. Weigh that public track record alongside a direct quote.

Which IT services does Fusion Computing provide?

Fusion Computing delivers Managed IT Services, 24/7 Remote Monitoring, Cybersecurity, Microsoft 365 Administration, Backup & Disaster Recovery, vCIO Strategic Planning to organizations across St. Catharines, ON.

What area does Fusion Computing serve?

Fusion Computing is based in Dundas, ON (serving St. Catharines) and supports businesses across St. Catharines and the greater metro area.

When did Fusion Computing start?

Fusion Computing has been operating since 2012.

Is Fusion Computing certified?

Fusion Computing carries CISSP-Led Security, SOC 2, ISO 9001, Microsoft Partner.