MSPSIG.DIR · state · as of 2026-10-28

Managed service providers in California

562 managed service providers are tracked in California. Jones IT ranks highest by MSP score. Rated providers average 4.79 on Google.

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

Providers tracked562

Top rankedJones ITSan Francisco · MSP score 89

Rated providers average4.79★on Google · median score 54

Ranked by MSP score

top 48 of 562 shown · sort: score / best reviewed

Filtered: MSPs only · Cloud migration · 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

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

002

Abtech TechnologiesVista · MSP · 100-249Managed ITHelp DeskBackup and disaster recovery4.9★ (34)8450

003

Crimson ITLos Angeles · MSP · 50-99Backup and disaster recoveryCloud migrationCompliance4.9★ (98)8475

004

centrexITPoway · MSP · 50-99Managed ITCybersecurityCloud migration4.9★ (53)8350

005

IgnitionSan Francisco · MSP · 250+Mobile Device ManagementCybersecurityCompliance5.0★ (24)8225

006

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

007

SynoptekCosta Mesa · MSP · 250+Managed ITIT consultingCloud migration5.0★ (5)79100

008

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

009

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

010

Noble Technology GroupLa Mesa · MSP · 10-24Managed ITCloud ServicesBackup and disaster recovery5.0★ (66)7750

011

Method TechnologiesCypress · MSP · 25-49Managed ITCo-managed ITInternet Phone Service5.0★ (60)7775

012 $Infracore logo$ InfracoreSan Diego · MSP · 50-99Managed ITCybersecurityCloud migration5.0★ (14)7775

013

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

014

LAWGISTICS, INC.Carlsbad · MSP · 10-24Backup and disaster recoveryCloud migrationCompliance5.0★ (144)7575

015

Forum Info-TechCorona · MSP · 10-24Managed ITCo-managed ITCybersecurity5.0★ (173)75100

016

Onsite Computing, Inc.Corona · MSP · 10-24Managed ITCo-managed ITCloud migration5.0★ (62)7550

017

BACS Consulting GroupSanta Clara · MSP · 50-99Backup and disaster recoveryCloud migrationCompliance5.0★ (26)7550

018

ZZ Computer IT SUPPORTLos Angeles · MSP · 10-24Backup and disaster recoveryCloud migrationCompliance5.0★ (63)7575

019

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

020

Entisys360Irvine · MSP · 250+Cloud migrationCompliance4.8★ (4)740

021

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

022

ITqueCampbell · MSP · 10-24Managed IT24 7 SupportDisaster Recovery5.0★ (22)7450

023

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

024

Bay ComputingConcord · MSP · 10-24Managed ITHelp DeskNetwork management5.0★ (43)7325

025

CIO SolutionsFresno · MSP · 50-99Help DeskManaged ITCybersecurity4.5★ (8)7375

026

PC ProfessionalOakland · MSP · 50-99Managed ITCybersecurityCloud migration4.9★ (142)7325

027

ITECH SolutionsTempleton · MSP · 250+Managed ITCo-managed ITCloud migration4.7★ (17)730

028

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

029

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

030

SmartSourceHawthorne · MSP · 250+Backup and disaster recoveryCloud migrationCybersecuritynot observed72100

031

eSudo Technology SolutionsSan Jose · MSP · 5-9Managed ITCybersecurityIT consulting4.9★ (42)7250

032

Technology SourceSanta Ana · MSP · 50-99Cloud migrationCybersecurityCloud Computing5.0★ (2)72100

033

Langtech Systems ConsultingSan Francisco · MSP · 25-49Help DeskIT SupportCybersecurity4.8★ (19)71100

034

TLC Tech, Inc.Sacramento · MSP · 25-49Managed ITCo-managed ITIT consulting4.9★ (254)7125

035

HelixstormCosta Mesa · MSP · 25-49Managed ITProfessional ServicesBackup and disaster recovery5.0★ (23)7125

036

CorporateTechIrvine · MSP · 10-24Managed ITHelp DeskNetwork management4.8★ (22)7125

037

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

038

Generation IX TechnologiesCulver City · MSP · 25-49Managed ITHelp DeskCo-managed IT4.8★ (31)7150

039

Digicom Technology SolutionsSanta Rosa · MSP · 10-24Co-managed ITCybersecurityManaged IT5.0★ (26)7150

040

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

041

ATECH MSPBakersfield · MSP · 5-9Managed ITIT consultingRemote Monitoring Maintenance4.9★ (51)7050

042

ProLinkLos Angeles · MSP · 10-24Backup and disaster recoveryCloud migrationCompliancenot observed7025

043

Advanced Business InnovationsLos Angeles · MSP · 10-24Backup and disaster recoveryCloud migrationCybersecurity5.0★ (137)7050

044

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

045

CaptainITRiverside · MSP · 10-24Managed ITCo-managed ITHelp Desk5.0★ (7)7075

046

Kornerstone TechnologyThousand Oaks · MSP · 10-24Backup and disaster recoveryCloud migrationCo-managed IT5.0★ (9)690

047

CAL IT GroupHuntington Beach · MSP · 10-24Managed ITHelp DeskVcio Services5.0★ (66)6925

048

Secure TechiesCanoga Park · MSP · 1-4Backup and disaster recoveryCloud migrationCompliance5.0★ (37)6925

Showing 48 of 562 · load moreMissing or misranked? Claim it ▸

Map

providers by city

Drawn from provider coordinates

What the data shows

measured 2026-10-28

54.4

Median MSP scoreof California providers

Publish a DMARC policyof California providers

43%

Claim 24/7 supportof California providers

Median headcountemployees

105 cities in California carry exactly one tracked provider.

** end of report **

Cities in California

top 12 of 120 · providers tracked

39Irvine

From our research

MSPSIG.WIRE

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How many managed service providers are in California?

562 tracked as of 2026-10-28.

Which provider ranks highest in California?

Jones IT, by MSP score.

What is the median size of a provider here?

8 employees.

Listed in California?

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