Top Managed IT Companies in Walnut Creek

Xantrion

A 50-249 person practice 3.76 miles away in Lafayette.

✓ Verified Provider Est. 1998
Lafayette, CA (3675 Mount Diablo Blvd Suite 100B, 3.76 miles from Walnut Creek)
50–249 employees
Founded 1998
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Xantrion is a managed IT services provider based in Lafayette, CA (3675 Mount Diablo Blvd Suite 100B, 3.76 miles from Walnut Creek), operating since 1998. It focuses on Managed IT Services, Cybersecurity & Threat Protection, Cloud Services & Migration, IT Help Desk & End-User Support. Compare it against other Walnut Creek managed IT providers, then request a quote.

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

About Xantrion

Xantrion is a managed IT services provider based in Lafayette, CA, delivering managed IT, cybersecurity and cloud to small and mid-size businesses across the San Francisco-Oakland-Fremont metro. The firm supports both fully managed IT and co-managed IT for companies that already have internal staff.

It has no published Google rating at the time of writing, so it is listed without a rank rather than being placed on an unverified score. Walnut Creek is the commercial hub of central Contra Costa County, a city of 70,800 people at the I-680 and SR-24 junction where healthcare, professional services, wealth management and property firms drive the demand for managed IT; Xantrion differentiates through a 50-249 person East Bay managed IT and security firm with named life-science, finance, legal and government practices.

Core services span managed IT, cybersecurity and threat protection, Microsoft 365 and cloud, network management, backup and disaster recovery, and IT strategy. Typical clients are Walnut Creek-area organizations in biotech & life sciences, financial services, legal & law firms and government & public sector that want 24/7 IT support and predictable monthly costs from a single accountable partner.

Services Offered

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Managed IT Services
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Cybersecurity & Threat Protection
☁️
Cloud Services & Migration
🛟
IT Help Desk & End-User Support
📋
Compliance & Risk Management
🎯
IT Strategy & vCIO

Industries Served

🧬 Biotech & Life Sciences
💰 Financial Services
⚖️ Legal & Law Firms
🏛️ Government & Public Sector
🏭 Manufacturing & Distribution

Why Choose Xantrion

🔎

Verified Provider, Not Yet Rated

Xantrion was confirmed as a managed IT provider from its own website, but has no published Google rating yet. It is listed here without a rank rather than being scored on evidence that does not exist.

📍

Local Walnut Creek Presence

Based in the Lafayette, CA area, Xantrion can dispatch on-site across Walnut Creek and the wider the San Francisco-Oakland-Fremont metro market while resolving most issues remotely.

🛡️

Proactive, Security-First Managed IT

Xantrion differentiates through a 50-249 person East Bay managed IT and security firm with named life-science, finance, legal and government practices. Engagements cover 24/7 monitoring, help desk support, backup and disaster recovery, and IT strategy as a predictable monthly service.

Offices

Xantrion lists 6 offices. Choose one to see it on the map.

Certifications & Compliance

✓
Managed IT Services
✓
Cybersecurity
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Cloud & Microsoft 365
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Backup & Recovery

Frequently Asked Questions

Which IT services does Xantrion provide?

Xantrion delivers Managed IT Services, Cybersecurity & Threat Protection, Cloud Services & Migration, IT Help Desk & End-User Support, Compliance & Risk Management, IT Strategy & vCIO to organizations across Walnut Creek, CA.

What area does Xantrion serve?

Xantrion is based in Lafayette, CA (3675 Mount Diablo Blvd Suite 100B, 3.76 miles from Walnut Creek) and supports businesses across Walnut Creek and the greater metro area.

When did Xantrion start?

Xantrion has been operating since 1998.

Is Xantrion certified?

Xantrion carries Managed IT Services, Cybersecurity, Cloud & Microsoft 365, Backup & Recovery.