Cybersecurity Companies in California: Ranked Lists by City (2026)
519 cities with a ranked listUpdated 0 paid placements in any rankingHow we rank ā
We rank cybersecurity companies in 519 California cities, 170,325 city rankings in all. The largest lists are Foothill Ranch (597), Laguna Hills (590) and Laguna Woods (590).
Cybersecurity companies by city in California
Every California city with a ranked list of cybersecurity companies, largest first. Each list ranks IT firms within 75 mi of the city.
Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.
Highest IFR Scores among California cybersecurity companies
Each score is computed within its own city list, so use the city pages to compare businesses. Shown for orientation, not as a state ranking.
Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.
| # | IT firm | IFR Score | City list | Google rating |
|---|---|---|---|---|
| 1 | People 1st IT Inc. LLC | 68 | #1 in San Francisco | 4.9ā (299) |
| 2 | The Bodyguard Group of Beverly Hills | 68 | #1 in Beverly Hills | 5.0ā (107) |
| 3 | FIT Solutions | 68 | #1 in San Diego | 5.0ā (634) |
| 4 | KME Systems | 67 | #1 in Irvine | 5.0ā (389) |
| 5 | PC Professional Managed IT Services | 67 | #2 in Chinatown | 4.9ā (143) |
| 6 | Paso Robles Tech | 66 | #1 in Paso Robles | 4.8ā (57) |
| 7 | Buzz Cybersecurity - Irvine Managed IT Services | 66 | #2 in Irvine | 4.8ā (72) |
| 8 | Methodology IT | 65 | #2 in Los Angeles | 5.0ā (158) |
| 9 | Generation IX | Managed IT Services & IT Support In Los Angeles | 64 | #3 in Los Angeles | 4.8ā (31) |
| 10 | Sam's IT Solutions | 64 | #2 in Pasadena | 5.0ā (497) |