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Best Managed IT Service Providers in San Jacinto, CA (2026)

334 managed IT service providers ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in San Jacinto: Annansys, IFR Score 65/100; 4.9★ from 713 Google reviews.

  2. 35

    Most-reviewed: Human Computer, 503 Google reviews at 4.9★, the most of 334 ranked after Annansys; ranked #35.

Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank

334 San Jacinto managed IT service providers are ranked here by IFR Score, from nine published factors. 124 open Saturdays and 77 open Sundays, based on posted hours. The median Google rating is 5.0★ across 334 rated IT firms.

Top 10 managed IT service providers in San Jacinto at a glance

Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.

Top 10 managed IT service providers in San Jacinto at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1Annansys654.9★ (713)Chino Hills, 44 mi away—Overall
2Forum Info-Tech655.0★ (173)Corona, 36 mi awaySat · Sun · Evenings—
3Tech Guardian644.9★ (87)Lake Elsinore, 23 mi awaySat · Sun · Evenings—
4QuietStone IT Support625.0★ (38)Temecula, 22 mi awaySat · Sun · Evenings—
5Rasec TECH IT Services624.9★ (85)Riverside, 28 mi awaySat · Sun · Evenings—
6Intelecis Cyber Security Company Irvine615.0★ (87)Irvine, 47 mi awaySat · Sun · Evenings—
7Burgi Technologies | Managed IT & Cybersecurity615.0★ (75)Tustin, 49 mi awaySat · Sun · Evenings—
8Computer Pro2call614.9★ (175)Redlands, 25 mi away——
9Technijian604.7★ (87)Irvine, 46 mi awaySat · Sun · Evenings—
10SOKOTEK - Managed IT & Cybersecurity595.0★ (28)Palm Desert, 37 mi awaySat · Sun · Evenings—

The 334 best managed IT service providers in San Jacinto, ranked

Ordered by IFR Score, a 0–100 score from nine published factors. Paid placement never changes the order.

Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.

  1. Ranked #1 in San Jacinto

    Based in Chino Hills, 44 mi away

    65/100IFR Score

    Ranked #1 because of its Google rating and review volume: 4.9★ from 713 Google reviews, the most in San Jacinto.

    Based on 7 of 9 factors; recency and availability not yet collected.

    • 4.9★ from 713 Google reviews
    Address
    15970 Los Serranos Country Club Dr #115, Chino Hills, CA 91709
  2. Based in Corona, 36 mi away

    65/100IFR Score

    Ranked #2 because of its Google rating and service focus: 5.0★ from 173 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 173 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    160 W Foothill Pkwy Ste 105-231, Corona, CA 92882
  3. Based in Lake Elsinore, 23 mi away

    64/100IFR Score

    Ranked #3 because of its Google rating and service focus: 4.9★ from 87 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 87 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    600 Central Ave Ste A, Lake Elsinore, CA 92530
  4. Based in Temecula, 22 mi away

    62/100IFR Score

    Ranked #4 because of its Google rating and service focus: 5.0★ from 38 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 38 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    27555 Ynez Rd Ste 110, Temecula, CA 92591
  5. Based in Riverside, 28 mi away

    62/100IFR Score

    Ranked #5 because of its Google rating and service focus: 4.9★ from 85 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 85 Google reviews
    Hours
    Mon–Thu 6 AM–10 PM · Fri 6 AM–5:30 PM · Sat 6 PM–10 PM · Sun 8 AM–6 PM
    Address
    9067 Cleveland Ave, Riverside, CA 92503
  6. Based in Redlands, 25 mi away

    61/100IFR Score

    Ranked #8 because of its Google rating and service focus: 4.9★ from 175 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 175 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    1902 Orange Tree Ln Suite 120, Redlands, CA 92374
  7. Based in Irvine, 46 mi away

    60/100IFR Score

    Ranked #9 because of its Google rating and service focus: 4.7★ from 87 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.7★ from 87 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    18 Technology Dr #141, Irvine, CA 92618
  8. 59/100IFR Score

    Ranked #11 because of its Google rating and service focus: 5.0★ from 88 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 88 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    1485 Spruce St # Q, Riverside, CA 92507
  9. Based in Riverside, 26 mi away

    59/100IFR Score

    Ranked #12 because of its Google rating and service focus: 4.9★ from 88 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 88 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat–Sun closed
    Address
    1465 Spruce St Ste B, Riverside, CA 92507
  10. Based in Anaheim, 49 mi away

    59/100IFR Score

    Ranked #13 because of its Google rating and service focus: 4.8★ from 47 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.8★ from 47 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    5101 E La Palma Ave, Anaheim, CA 92807
  11. Based in Covina, 42 mi away

    59/100IFR Score

    Ranked #14 because of its Google rating and service focus: 5.0★ from 46 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 46 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
  12. 59/100IFR Score

    Ranked #15 because of its Google rating and service focus: 5.0★ from 26 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 26 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    3281 E Guasti Rd Suite 730, Ontario, CA 91761
  13. Based in Palm Desert, 33 mi away

    59/100IFR Score

    Ranked #16 because of its Google rating and service focus: 4.8★ from 35 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.8★ from 35 Google reviews
    Hours
    Mon–Fri 6 AM–5 PM · Sat–Sun 7 AM–5 PM
    Address
    73020 El Paseo #101-A, Palm Desert, CA 92260
  14. 58/100IFR Score

    Ranked #18 because of its Google rating and service focus: 5.0★ from 63 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 63 Google reviews
    Hours
    Mon–Fri 6 AM–6 PM · Sat–Sun closed
    Address
    200 S Main St Ste 132, Corona, CA 92882
  15. Based in Cathedral City, 34 mi away

    57/100IFR Score

    Ranked #19 because of its Google rating and service focus: 5.0★ from 12 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 12 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
  16. Based in Riverside, 28 mi away

    57/100IFR Score

    Ranked #20 because of its Google rating and service focus: 4.8★ from 61 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.8★ from 61 Google reviews
    Hours
    Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
    Address
    5905 Brockton Ave Ste C, Riverside, CA 92506
  17. Based in Temecula, 23 mi away

    57/100IFR Score

    Ranked #21 because of its Google rating and service focus: 5.0★ from 36 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 36 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    28364 Vincent Moraga Dr Ste E, Temecula, CA 92590
  18. 57/100IFR Score

    Ranked #22 because of its Google rating and service focus: 5.0★ from 17 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 5.0★ from 17 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    200 Spectrum Center Dr Ste 300, Irvine, CA 92618
  19. Based in Corona, 37 mi away

    57/100IFR Score

    Ranked #24 because of its Google rating and service focus: 4.9★ from 74 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.9★ from 74 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat–Sun closed
    Address
    1690 W 6th St #E, Corona, CA 92882
  20. Based in Irvine, 47 mi away

    57/100IFR Score

    Ranked #25 because of its Google rating and service focus: 4.8★ from 115 Google reviews, listed on Google as “Computer support and services”.

    Based on 8 of 9 factors; recency not yet collected.

    • 4.8★ from 115 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    140 Progress Ste 250, Irvine, CA 92618

Managed IT service providers ranked #26 to #50

#1 to #25 are shown in full above. Here are #26 to #50, in IFR Score order; each links to its profile. We publish the top 50 of 334 ranked managed IT service providers here; the rest are on their profiles.

managed IT service providers in San Jacinto, ranks 26 to 50
RankBusinessIFR ScoreGoogle ratingDistance
26TechHeights - Business IT Services Orange County574.8★ (17)47 mi
27OnSite Expert Computer Services575.0★ (21)42 mi
28TeamLogic IT575.0★ (28)22 mi
29VERTICAL IT | 2 FREE HOURS OF SUPPORT565.0★ (68)44 mi
30Towtle Tech565.0★ (31)44 mi
31West Coast Computer Solutions Murrieta Office564.8★ (25)22 mi
32IT Support Company and Managed IT Services in California | Exigent Systems565.0★ (28)24 mi
33Southwest Networks564.9★ (44)33 mi
34TechHeights - Business IT Services Orange County565.0★ (13)48 mi
35Human Computer564.9★ (503)29 mi
36TeamLogic IT565.0★ (29)27 mi
37Netvolutions Technology Group565.0★ (20)15 mi
38Computech IT services564.9★ (71)46 mi
39Temecula Tech Studio - Computer & Apple Services564.8★ (439)22 mi
40Rancho Santa Margarita, CA565.0★ (15)42 mi
41We're Your Business, LLC565.0★ (11)7 mi
42Advise IT Solutions564.9★ (19)19 mi
43InfoTech Management564.9★ (34)34 mi
44Compunet Technologies, Inc.565.0★ (41)39 mi
45eTop Technology, Inc.564.8★ (23)23 mi
46A1 phone repairs565.0★ (203)29 mi
47Kumo Cloud Solutions | Managed IT Services & Unified Communications Solutions554.9★ (55)46 mi
48PC Pro Group555.0★ (14)15 mi
49IT Hatch Solutions555.0★ (6)39 mi
50Mayertech LLC555.0★ (6)39 mi

Also serving San Jacinto

20 more managed IT service providers within 50 mi that we can't rank yet: too few reviews, or a service we couldn't confirm. Listed A to Z.

Unranked managed IT service providers serving San Jacinto
BusinessGoogle ratingDistance
Advantech IT Solutions, Inc.5.0★ (2)27 mi
Ailerons IT Consulting5.0★ (2)7 mi
Brito Consulting Group5.0★ (2)36 mi
Castles Tech Consulting5.0★ (2)35 mi
Cyber Chaperone - Professional Technology Services5.0★ (2)33 mi
DataGuys2.5★ (2)14 mi
Destanet Computer Services5.0★ (2)31 mi
Ditechsol, Inc.4.5★ (2)18 mi
FlexTG Los Angeles5.0★ (2)41 mi
IAB Designs5.0★ (2)20 mi
IT Vizion5.0★ (2)37 mi
Keeper IT Services5.0★ (2)22 mi
Local Business Matters - Web Agency, Local Marketing & Online Restaurant Order Solution Provider5.0★ (2)33 mi
Mathis Consulting4.0★ (2)18 mi
Netsteller IT Solutions5.0★ (2)16 mi
NexGenPCCare3.0★ (2)38 mi
Pettit Consulting5.0★ (2)31 mi
ROK Lab LLC | Managed Service Provider5.0★ (2)23 mi
Tech Time5.0★ (2)30 mi
We Speak Computer5.0★ (2)33 mi

How we ranked San Jacinto managed IT service providers

We scored 334 San Jacinto managed IT service providers on nine factors, weighted as shown. An IT firm is ranked when its service is confirmed and it has 3 or more Google reviews or a claimed profile. An IT firm with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 9, 2026.

Paid placement never changes a rank or score. Sponsored businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

IFR Score factors and weights
FactorWeightComputed fromIn San Jacinto data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Review volume15%Number of Google reviews, compared with the most-reviewed IT firm on the listMeasured
Recency10%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday and 24/7 supportMeasured
Service focus15%How clearly the firm does this service (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The firm has claimed its IT Firms Ranked profile (free or paid earn the same)Measured
Partnered5%The firm links to IT Firms Ranked from its own website with our badge, checked periodicallyMeasured
Client reviews10%Verified client reviews collected by IT Firms Ranked: their rating and how many there areMeasured

How to choose a managed IT service provider

  1. Ask for a sample service-level agreement and compare response times, support hours and exclusions.
  2. Check how backups are done and tested, and ask when they last restored a client’s data.
  3. Ask which security tools are included and which cost extra (MFA, endpoint protection, email filtering, staff training).
  4. Make sure you, not the firm, own your accounts, domain names and licences.
  5. Ask for two or three references from clients of your size and industry, and call them.
  6. Get the scope, response times and price in writing before you sign, including how you leave and get your data back.

Questions to ask a managed IT service provider

  • Is the price per user, per device or a bundle, and what is not included?
  • What are your response times for urgent, normal and low-priority tickets?
  • Is your help desk in-house or outsourced, and what are its hours?
  • How do you back up our data, how often do you test restores, and where are the copies kept?
  • Which security tools are included, and do you monitor alerts after hours?
  • What happens to our passwords, documentation and data if we leave?
  • Can you give us references from clients of our size and industry?

Terms explained

MSP (managed service provider)
A firm that runs a business’s IT for a recurring fee: monitoring, patching, help desk, backups and security tools.
Co-managed IT
An arrangement where an outside firm supports an in-house IT person or team, sharing tools and tasks.
Break-fix
IT support paid per incident or per hour, with no monthly agreement.
SLA (service-level agreement)
The contract terms for response and resolution times, uptime and support hours.
Help desk
The support line staff call or email for IT problems.
RMM
Remote monitoring and management software that lets an IT firm watch, patch and fix computers remotely.
vCIO
A virtual chief information officer: part-time IT strategy and budgeting from an outside firm.
MSSP
A managed security service provider: a firm that monitors and manages security tools around the clock.
EDR / MDR
Endpoint detection and response software, and the managed service of people watching its alerts (managed detection and response).
MFA
Multi-factor authentication: a second proof of identity, such as an app prompt, on top of a password.
Penetration test
An authorised, simulated attack on your systems to find weaknesses before criminals do.
SOC 2
An independent auditor’s report (AICPA standard) on a service provider’s security controls.

Managed IT service providers in San Jacinto: frequently asked questions

Who is the best managed IT service provider in San Jacinto?

By IFR Score, the highest-ranked managed IT service provider in San Jacinto, CA is Annansys with an IFR Score of 65/100. It has 4.9★ from 713 Google reviews. Forum Info-Tech (#2) and Tech Guardian (#3) follow. We ranked 334 managed IT service providers on nine factors, last updated November 9, 2026.

How many managed IT service providers are there in San Jacinto?

ITFirmsRanked ranks 334 managed IT service providers serving San Jacinto, CA. Another 20 within 50 mi are listed but not ranked yet. Counts are as of November 2026.

Which managed IT service providers in San Jacinto work on weekends?

124 of 334 ranked managed IT service providers post Saturday hours and 77 post Sunday hours. The highest-ranked open Saturdays are Forum Info-Tech (#2), Tech Guardian (#3) and QuietStone IT Support (#4). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do San Jacinto managed IT service providers have?

The median Google rating among 334 rated managed IT service providers in San Jacinto is 5.0★, with a median of 15 reviews. Annansys has the most, 713 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ITFirmsRanked rank managed IT service providers?

Each managed IT service provider gets a 0–100 IFR Score from nine published factors, led by reputation (25%), review volume (15%), service focus (15%) and recency (10%). An IT firm with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only IT firms with a confirmed service and 3 or more reviews, or a claimed profile, are ranked.

Do managed IT service providers outside San Jacinto count in this ranking?

Yes, if they are within 50 mi of the San Jacinto city center, our service radius for managed IT service providers. Each listing shows where the IT firm is based and how far away it is. Proximity is 5% of the IFR Score, so a nearby IT firm gets a small edge.

Can managed IT service providers pay to rank higher on ITFirmsRanked?

No. The IFR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured IT firms may appear above the list, labelled Sponsored and showing their honest rank.

What does a managed IT service provider do?

Managed IT service providers (MSPs) run a business’s computers, servers, network, Microsoft 365 or Google accounts, backups and help desk for a monthly fee, or provide IT support by the hour.

How are managed it service providers in San Jacinto ranked?

By IFR Score: Google rating and review volume, recent reviews, opening hours, how clearly the firm does managed IT services and IT support, distance, a claimed profile, our badge and verified client reviews. Sponsored placements never change the order.

What should a managed IT agreement include?

At minimum: help desk support for your staff, monitoring and patching of computers and servers, backups that are tested, security tools such as endpoint protection and multi-factor authentication, and a named contact. The agreement should state response times, support hours and what counts as out of scope.

Is managed IT priced per user or per device?

Both models are common, and some firms sell tiered bundles. Per-user pricing suits staff with several devices; per-device pricing suits shared computers. Compare quotes on the same number of users, devices and servers.

How long are managed IT contracts?

Often one to three years, sometimes month to month. Check the notice period, any early-termination fee and how the firm hands over passwords, documentation and data when the contract ends.

Update log for San Jacinto

  1. November 2026: IFR Scores recalculated for 334 managed IT service providers serving San Jacinto.
  2. November 2026: 5 duplicate listings merged.