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Directory

MSP & IT Companies in California

144 MSP and IT companies are listed in California in the MSP Agenda directory.

The cities with the most listings are Los Angeles (20), San Francisco (19) and Irvine (14).

137 have a recorded rating: 134 at 4.5 or above and 1 below 4.0; 7 have no rating recorded.

Companies
144
Median rating
5.0
Total reviews
7,981
Most common category
MSP Services
Most common platform
WordPress

Rating and review count as recorded at the end of 2026

Companies

Showing 1–24 of 144 companies · page 1 of 6

  • Jones IT

    San Francisco, CA

    MSP Services
    Squarespace
    Rating
    5.0 (413 reviews)
    Locations
    1
    Revenue
    $5M-$25M

    Rating and review count as recorded at the end of 2026

  • KME Systems

    Irvine, CA

    MSP Services
    WordPress
    Rating
    5.0 (384 reviews)
    Locations
    1
    Revenue
    $5M-$25M

    Rating and review count as recorded at the end of 2026

  • SkipNServe Process Server Service

    Los Angeles, CA

    MSP Consultant
    Squarespace
    Rating
    5.0 (343 reviews)
    Locations
    1
    Revenue
    Under $1M

    Rating and review count as recorded at the end of 2026

  • TruAdvantage

    San Jose, CA

    MSP Services
    WordPress
    Rating
    5.0 (226 reviews)
    Locations
    2
    Revenue
    $5M-$25M

    Rating and review count as recorded at the end of 2026

  • Methodology IT

    Los Angeles, CA

    MSP Services
    WordPress
    Rating
    5.0 (157 reviews)
    Locations
    1
    Revenue
    $1M-$5M

    Rating and review count as recorded at the end of 2026

  • IT Support LA

    Calabasas, CA

    MSP Services
    WordPress
    Rating
    5.0 (126 reviews)
    Locations
    1
    Revenue
    $1M-$5M

    Rating and review count as recorded at the end of 2026

  • TruAdvantage

    San Francisco, CA

    MSP Services
    WordPress
    Rating
    5.0 (90 reviews)
    Locations
    2
    Revenue
    $5M-$25M

    Rating and review count as recorded at the end of 2026

  • Xterra Solutions, Inc.

    San Francisco, CA

    MSP Services
    WordPress
    Rating
    5.0 (86 reviews)
    Locations
    1
    Revenue
    $5M-$25M

    Rating and review count as recorded at the end of 2026

  • OC Tech Innovations

    Irvine, CA

    MSP Services
    WordPress
    Rating
    5.0 (67 reviews)
    Locations
    1
    Revenue
    $1M-$5M

    Rating and review count as recorded at the end of 2026

  • CAL IT Group - Managed IT Services

    Huntington Beach, CA

    MSP Services
    WordPress
    Rating
    5.0 (66 reviews)
    Locations
    1
    Revenue
    $5M-$25M

    Rating and review count as recorded at the end of 2026

  • ZZ Computer IT SUPPORT

    Los Angeles, CA

    MSP Services
    WordPress
    Rating
    5.0 (63 reviews)
    Locations
    1
    Revenue
    $1M-$5M

    Rating and review count as recorded at the end of 2026

  • Razz Professional Services

    Los Angeles, CA

    MSP Services
    WordPress
    Rating
    5.0 (59 reviews)
    Locations
    1
    Revenue
    $1M-$5M

    Rating and review count as recorded at the end of 2026

  • 42, Inc.

    Berkeley, CA

    MSP Consultant
    Other
    Rating
    5.0 (54 reviews)
    Locations
    1
    Revenue
    $1M-$5M

    Rating and review count as recorded at the end of 2026

Recently added in California

  1. CompSF IT Solutions.San Francisco, CA · 23 reviews
  2. Bay Networks Inc.Menlo Park, CA · 5 reviews
  3. Helixstorm - IT SupportTemecula, CA · 19 reviews
  4. Secure TechiesLos Angeles, CA · 37 reviews
  5. People 1st, IT Inc. LLCSan Francisco, CA · 299 reviews
See all: Managed service providers in California

Most reviewed in California

  1. MSP HEATING AND AIR CONDITIONINGJurupa Valley, CA · 1,212 reviews
  2. TLC Tech | Managed IT Services Company in Sacramento, CASacramento, CA · 253 reviews
  3. Total Secure Technology | Managed IT Services Company in SacramentoSacramento, CA · 161 reviews
  4. PC Professional Managed IT ServicesOakland, CA · 142 reviews
  5. TechMDSanta Ana, CA · 134 reviews

Rating and review count as recorded at the end of 2026

See all: Managed service providers in California

Most locations in California

  1. Intelligent Technical Solutions | ITS (Oakland)Oakland, CA · 9 locations
  2. Intelligent Technical Solutions | ITS (San Francisco)San Francisco, CA · 9 locations
  3. Stratosphere Networks – IT Consulting, IT Support, MSPSan Francisco, CA · 5 locations
  4. Desert IT Solutions - Managed IT Services and IT Support Company in San JoseSan Jose, CA · 4 locations
  5. FTI Services - Santa Clarita Managed IT Services CompanySanta Clarita, CA · 4 locations
See all: Managed service providers in California

Highest rated in California

  1. ClearFuze - IT Services and Support LALos Angeles, CA · 5.0 from 52 reviews
  2. ThinkTek (Irvine)Irvine, CA · 5.0 from 51 reviews
  3. Riverfy | IT Support & Managed IT Services in San JoseSan Jose, CA · 5.0 from 49 reviews
  4. KaufmanIT, Inc. | Managed IT Support & CybersecurityIrvine, CA · 5.0 from 47 reviews
  5. GSDSolutionsMountain View, CA · 5.0 from 44 reviews

Rating and review count as recorded at the end of 2026

See all: Managed service providers in California

How to shortlist companies in California

With 144 companies in California to compare, a shortlist starts with fit: the services each company offers, the size of the clients it usually works with, and how its support model matches your team. The listings above show each company's location, category, website platform and review record, so you can narrow the field before opening individual profiles.

What the data shows

Across this group, 137 companies hold a recorded rating — 134 at 4.5 or above and 1 below 4.0 — drawn from 7,981 reviews in total.

The most common categories here are MSP Services (134), MSP Consultant (9) and MSP Point of Interest (1).

The most common website platform is WordPress (88).

32 companies operate from more than one location, which can matter if your own business spans several sites.

Before you decide

Open a company profile for its address and website, and to see the other places it operates. Ratings across the directory are third-party review averages recorded at the end of 2026; they are not MSP Agenda assessments and not an endorsement. If you are weighing up a first engagement or a switch, speak to two or three companies and ask each for references from clients of a similar size to yours.

Back to the full directory

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