Top Managed IT Companies in Sunnyvale

cyberCSI

Local Sunnyvale IT, security, and cloud support.

✓ Verified Provider ⭐ 4.7/5 Stars Est. 1993
Santa Clara, CA (serving Sunnyvale) +1 more location
10–49 employees
Founded 1993
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Founded in 1993, cyberCSI is a managed IT services provider based in Santa Clara, CA. Its 4.7 out of 5 rating from 26 Google reviews is a verified, third-party signal of how it treats clients. Core services include Managed IT Services, Systems Management, Asset Lifecycle, and Network Management. Compare cyberCSI against other Santa Clara managed IT providers and request a free quote.

Reviewed by the Top IT MSP research team · Updated July 2026

About cyberCSI

For Sunnyvale businesses, cyberCSI provides managed IT, network management, and cloud services under one accountable, locally run team.

Clients have rated cyberCSI 4.7 out of 5 on Google across 13 reviews, reflecting a steady track record with Sunnyvale-area businesses. It has served the market since 1993.

Its work spans managed IT, network management, cloud services, and help desk support, typically for professional-services firms that want a mid-size team handling their technology end to end.

Services Offered

🖥️
Managed IT Services
💻
Systems Management
🔄
Asset Lifecycle
🌐
Network Management
📱
Mobility & UC
🛟
Service Desk

Industries Served

💻 Technology
🏢 Enterprise
🏭 Manufacturing
📋 Professional Services

Why Choose cyberCSI

Rated 4.7/5 by 13 Google Reviewers

13 Google reviews at 4.7 stars give cyberCSI a measurable, third-party track record rather than self-reported claims.

📍

On-Site Across Sunnyvale

Working from Santa Clara, cyberCSI can dispatch on-site across Sunnyvale while resolving most issues remotely.

🛟

Responsive Help Desk

cyberCSI runs a live help desk so Sunnyvale staff reach a real engineer fast, keeping small issues from becoming outages.

Locations & Map

Santa Clara, CA (serving Sunnyvale)

Certifications & Compliance

Microsoft Partner
Cisco Partner
HP & Apple Authorized

Frequently Asked Questions

Is cyberCSI well reviewed?

Across 26 verified Google reviews, cyberCSI averages 4.7 out of 5. Read the verified reviews on this page for specifics on support quality and follow-through.

Which IT services does cyberCSI provide?

cyberCSI provides Managed IT Services, Systems Management, Asset Lifecycle, Network Management, Mobility & UC, and Service Desk for businesses in Santa Clara, CA.

Where is cyberCSI located?

cyberCSI is headquartered in Santa Clara, CA, serving the Santa Clara market.

When was cyberCSI founded?

cyberCSI was founded in 1993.

What certifications or partnerships does cyberCSI hold?

cyberCSI holds Microsoft Partner, Cisco Partner, and HP & Apple Authorized.