MSPSIG.DIR · state · as of 2026-10-26

Managed service providers in California

187 managed service providers are tracked in California. Endsight ranks highest by MSP score. Rated providers average 4.82 on Google.

✓ MSPs only Claimed Rated Cybersecurity Managed IT Compliance Backup and disaster recovery ✓ Microsoft 365

Providers tracked187

Top rankedEndsightSan Diego · MSP score 90

Rated providers average4.82★on Google · median score 55

Ranked by MSP score

top 23 of 187 shown · sort: score / best reviewed

Filtered: MSPs only · Microsoft 365 · clear

MSP score parts:Reputation (up to 30)Presence (up to 25)Credibility (up to 20)Scale (up to 15)Momentum (up to 10)

#ProviderServicesGoogleMSP scoreTrending

001

EndsightSan Diego · MSP · 100-249Managed ITHelp DeskIT consulting5.0★ (42)90100

002

Jones ITSan Francisco · MSP · 100-249Managed ITCo-managed ITCybersecurity5.0★ (426)89100

003

centrexITPoway · MSP · 50-99Managed ITCybersecurityCloud migration4.9★ (53)8150

004

GroupOneSacramento · MSP · 50-99Managed ITCo-managed ITHelp Desk5.0★ (55)80100

005

Parachute TechnologyLos Angeles · MSP · 50-99Cloud migrationComplianceCybersecurity4.9★ (34)79100

006

ClearFuze Networks, Inc.Los Angeles · MSP · 25-49Managed ITCybersecurityCompliance5.0★ (54)7775

007

NIC IncWoodland Hills · MSP · 100-249Managed ITHelp DeskOnsite Support5.0★ (4)7775

008

Methodology ITLos Angeles · MSP · 5-9Managed ITCybersecurityHelp Desk5.0★ (161)77100

009

CompuOneSan Diego · MSP · 25-49Microsoft 365Cloud migrationBackup and disaster recovery4.7★ (13)7575

010

AutomatesNational City · MSP · 10-24Backup and disaster recoveryCybersecurityCloud Services5.0★ (165)7425

011

AllConnectedSimi Valley · MSP · 25-49Managed ITCloud migrationBackup and disaster recovery5.0★ (6)7450

012

Fusion Factor CorporationCarlsbad · MSP · 25-49Managed ITEmail ProtectionMicrosoft 3654.8★ (6)7350

013

AdvancedLos Angeles · MSP · 10-24Backup and disaster recoveryCloud migrationCompliance5.0★ (87)730

014

Capital Network SolutionsFolsom · MSP · 25-49Managed ITCo-managed ITHelp Desk5.0★ (82)7325

015

IT Support LACalabasas · MSP · 10-24Managed ITHelp DeskMicrosoft 3655.0★ (128)7225

016

BRITECITY - IT Services in Orange County, CAIrvine · MSP · 25-49Managed ITCybersecurityCloud migration5.0★ (85)720

017

GDR Group, Inc.Irvine · MSP · 50-99Managed ITCo-managed ITHelp Desk4.8★ (20)7250

018

CaptainITRiverside · MSP · 10-24Backup and disaster recoveryCloud migrationCo-managed IT5.0★ (7)7275

019

boxIT, LLCSan Francisco · MSP · 10-24Managed ITCybersecurityCo-managed IT4.9★ (62)7150

020

IT Pros Management Inc.Burbank · MSP · 10-24AI ServicesCo-managed ITCompliance5.0★ (31)7125

021

TrustedTechIrvine · MSP · 250+Microsoft 365Cloud migrationIT consulting4.7★ (299)7125

022

Sonic SystemsVictorville · MSP · 10-24Managed ITHelp DeskNetwork management4.5★ (24)7025

023

Valley Techlogic IncAtwater · MSP · 10-24Managed ITHelp DeskBackup and disaster recovery4.9★ (46)7025

Showing 23 of 187 · load moreMissing or misranked? Claim it ▸

Map

providers by city

Drawn from provider coordinates

What the data shows

measured 2026-10-26

54.6

Median MSP scoreof California providers

Publish a DMARC policyof California providers

49%

Claim 24/7 supportof California providers

Median headcountemployees

61 cities in California carry exactly one tracked provider.

** end of report **

Cities in California

top 12 of 97 · providers tracked

From our research

MSPSIG.WIRE

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How many managed service providers are in California?

187 tracked as of 2026-10-26.

Which provider ranks highest in California?

Endsight, by MSP score.

What is the median size of a provider here?

7 employees.

Listed in California?

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