68/100IFR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 1,090 Google reviews, the most in Union City.
Best Computer Repair Shops in Union City, CA (2026)
168 computer repair shops ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Union City: Johnson Computer, Inc., IFR Score 68/100; 4.9★ from 1,090 Google reviews; open Saturdays until 4 PM.
- 11
Most-reviewed: KT Electronics, 848 Google reviews at 4.6★, the most of 168 ranked after Johnson Computer, Inc.; ranked #11.
Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank
168 Union City computer repair shops are ranked here by IFR Score, from nine published factors. 95 open Saturdays and 62 open Sundays, based on posted hours. The median Google rating is 4.8★ across 168 rated IT firms.
Top 10 computer repair shops in Union City at a glance
Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.
| Rank | Business | IFR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Johnson Computer, Inc. | 68 | 4.9★ (1,090) | Hayward, 2 mi away | Sat · Evenings | Overall |
| 2 | COMPUTER WORLD - FREMONT BRANCH | 65 | 4.3★ (737) | Fremont, 3 mi away | Sat · Sun · Evenings | — |
| 3 | The Fix - Phone Repair, Tablet Repair & Accessories in Great Mall | 65 | 4.9★ (528) | Milpitas, 14 mi away | Sat · Sun · Evenings | — |
| 4 | Techloop Electronics Repair and Sales ( iPhone, iPad, Mac, PC Repair and Sales) | 63 | 4.8★ (326) | Menlo Park, 13 mi away | Sat · Sun | — |
| 5 | TechresQ - Phone Repair / Gaming Console Repair / Laptop/Computer Repair | 63 | 4.9★ (70) | Fremont, 2 mi away | Sat · Sun · Evenings | — |
| 6 | Central Computers | 62 | 4.5★ (506) | Sunnyvale, 15 mi away | Sat · Sun | — |
| 7 | Central Computers | 62 | 4.6★ (422) | San Mateo, 16 mi away | Sat · Sun | — |
| 8 | Bay IC Repair | 62 | 4.7★ (135) | Castro Valley, 8 mi away | Sat · Sun | — |
| 9 | Ken's Tech Repair | 61 | 4.7★ (156) | San Leandro, 12 mi away | Sat · Sun · Evenings | — |
| 10 | It's Binh Repaired | 61 | 4.9★ (68) | Milpitas, 12 mi away | Sat · Sun · Evenings | — |
The 168 best computer repair shops in Union City, 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.
Scores below: based on 8 of 9 factors; recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Fremont, 3 mi away
65/100IFR ScoreRanked #2 because of its Google rating and service focus: 4.3★ from 737 Google reviews, listed on Google as “Computer repair service”.
Based in Milpitas, 14 mi away
65/100IFR ScoreRanked #3 because of its Google rating and service focus: 4.9★ from 528 Google reviews, listed on Google as “Computer repair service”.
Based in Menlo Park, 13 mi away
63/100IFR ScoreRanked #4 because of its Google rating and service focus: 4.8★ from 326 Google reviews, listed on Google as “Computer repair service”.
Based in Fremont, 2 mi away
63/100IFR ScoreRanked #5 because of its Google rating and service focus: 4.9★ from 70 Google reviews, listed on Google as “Computer service”.
Based in Sunnyvale, 15 mi away
62/100IFR ScoreRanked #6 because of its Google rating and service focus: 4.5★ from 506 Google reviews, listed on Google as “Computer repair service”.
Based in San Mateo, 16 mi away
62/100IFR ScoreRanked #7 because of its Google rating and service focus: 4.6★ from 422 Google reviews, listed on Google as “Computer repair service”.
Based in Castro Valley, 8 mi away
62/100IFR ScoreRanked #8 because of its Google rating and service focus: 4.7★ from 135 Google reviews, listed on Google as “Computer repair service”.
Based in San Leandro, 12 mi away
61/100IFR ScoreRanked #9 because of its Google rating and service focus: 4.7★ from 156 Google reviews, listed on Google as “Computer repair service”.
Based in Milpitas, 12 mi away
61/100IFR ScoreRanked #10 because of its Google rating and service focus: 4.9★ from 68 Google reviews, listed on Google as “Computer repair service”.
#11 KT Electronics
Based in San Jose, 19 mi away
61/100IFR ScoreRanked #11 because of its Google rating and service focus: 4.6★ from 848 Google reviews, listed on Google as “Computer repair service”.
Based in Milpitas, 13 mi away
61/100IFR ScoreRanked #12 because of its Google rating and service focus: 5.0★ from 50 Google reviews, listed on Google as “Computer repair service”.
Based in Fremont, 7 mi away
61/100IFR ScoreRanked #13 because of its Google rating and service focus: 5.0★ from 50 Google reviews, listed on Google as “Computer repair service”.
#14 Mai PC
Based in Alum Rock, 17 mi away
60/100IFR ScoreRanked #14 because of its Google rating and service focus: 4.9★ from 124 Google reviews, listed on Google as “Computer service”.
#15 TechAtAnyAge.com
Based in Fremont, 16 mi away
59/100IFR ScoreRanked #15 because of its Google rating and service focus: 5.0★ from 50 Google reviews, listed on Google as “Computer repair service”.
Based in Pleasanton, 9 mi away
59/100IFR ScoreRanked #16 because of its Google rating and service focus: 4.7★ from 97 Google reviews, listed on Google as “Computer repair service”.
Based in Antelope, 10 mi away
59/100IFR ScoreRanked #17 because of its Google rating and service focus: 5.0★ from 40 Google reviews, listed on Google as “Computer repair service”.
Based in Mountain View, 15 mi away
59/100IFR ScoreRanked #18 because of its Google rating and service focus: 4.6★ from 195 Google reviews, listed on Google as “Computer repair service”.
Based in Burlingame, 19 mi away
59/100IFR ScoreRanked #19 because of its Google rating and service focus: 4.9★ from 339 Google reviews, listed on Google as “Computer service”.
Based in Fremont, 6 mi away
59/100IFR ScoreRanked #20 because of its Google rating and service focus: 4.8★ from 92 Google reviews, listed on Google as “Computer repair service”.
Based in San Jose, 16 mi away
58/100IFR ScoreRanked #21 because of its Google rating and service focus: 4.8★ from 132 Google reviews, listed on Google as “Computer repair service”.
Based in Newark, 4 mi away
58/100IFR ScoreRanked #22 because of its Google rating and service focus: 4.7★ from 36 Google reviews, listed on Google as “Computer repair service”.
#23 CompE
Based in Fremont, 7 mi away
58/100IFR ScoreRanked #23 because of its Google rating and service focus: 5.0★ from 20 Google reviews, listed on Google as “Computer repair service”.
Based in Sunnyvale, 16 mi away
58/100IFR ScoreRanked #24 because of its Google rating and service focus: 4.3★ from 301 Google reviews, listed on Google as “Computer repair service”.
#25 Access Computers
Based in Dublin, 9 mi away
58/100IFR ScoreRanked #25 because of its Google rating and service focus: 4.5★ from 70 Google reviews, listed on Google as “Computer repair service”.
Computer repair shops 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 168 ranked computer repair shops here; the rest are on their profiles.
Also serving Union City
20 more computer repair shops within 20 mi that we can't rank yet: too few reviews, or a service we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| Adin Technologies | 3.0★ (2) | 9 mi |
| Alokic | In Union City | |
| App Orchid Inc. | 5.0★ (2) | 12 mi |
| Bloomip | In Union City | |
| Cellpoint Systems | 5.0★ (2) | 8 mi |
| Digital World | 3.0★ (2) | 12 mi |
| EMR CPR - Global IT | 2.5★ (6) | In Union City |
| Escalated Systems | 5.0★ (2) | 13 mi |
| Inspirisys Solutions North America, Inc | 5.0★ (2) | 15 mi |
| IT Less Inc | 5.0★ (2) | 7 mi |
| ITkid | 5.0★ (2) | 13 mi |
| Mac Reviver | 5.0★ (2) | 14 mi |
| nDataStor - San Jose | 5.0★ (2) | 15 mi |
| O'Sheas Computer Consultants | 4.5★ (2) | 16 mi |
| rhp soft | 3.0★ (2) | 8 mi |
| RMT MEDIA Computer Repair Graphic Design & More | In Union City | |
| Stepford Inc | 3.0★ (2) | 14 mi |
| Tech Aid Plus | 5.0★ (2) | 15 mi |
| Unitrace Inc | 3.0★ (2) | 16 mi |
| Zypcom Inc | In Union City |
How we ranked Union City computer repair shops
We scored 168 Union City computer repair shops 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.
| Factor | Weight | Computed from | In Union City data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Review volume | 15% | Number of Google reviews, compared with the most-reviewed IT firm on the list | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday and 24/7 support | Measured |
| Service focus | 15% | How clearly the firm does this service (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The firm has claimed its IT Firms Ranked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The firm links to IT Firms Ranked from its own website with our badge, checked periodically | Measured |
| Client reviews | 10% | Verified client reviews collected by IT Firms Ranked: their rating and how many there are | Measured |
How to choose a computer repair shop
- Ask for a written estimate and approve any extra work before it is done.
- Ask whether they come on site and whether they work on business systems as well as home computers.
- Check the warranty on parts and labour.
- Ask for two or three references from clients of your size and industry, and call them.
- 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 computer repair shop
- Is the diagnosis free, and how much is the estimate likely to change?
- Do you back up our data before the repair?
- Do you offer on-site visits for businesses?
- What warranty do you give on parts and labour?
- How long will the repair take?
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.
Computer repair shops in Union City: frequently asked questions
Who is the best computer repair shop in Union City?
By IFR Score, the highest-ranked computer repair shop in Union City, CA is Johnson Computer, Inc. with an IFR Score of 68/100. It has 4.9★ from 1,090 Google reviews. It is open Saturdays until 4 PM. COMPUTER WORLD - FREMONT BRANCH (#2) and The Fix - Phone Repair, Tablet Repair & Accessories in Great Mall (#3) follow. We ranked 168 computer repair shops on nine factors, last updated November 9, 2026.
How many computer repair shops are there in Union City?
ITFirmsRanked ranks 168 computer repair shops serving Union City, CA. Another 20 within 20 mi are listed but not ranked yet. Counts are as of November 2026.
Which computer repair shops in Union City work on weekends?
95 of 168 ranked computer repair shops post Saturday hours and 62 post Sunday hours. The highest-ranked open Saturdays are Johnson Computer, Inc. (#1), COMPUTER WORLD - FREMONT BRANCH (#2) and The Fix - Phone Repair, Tablet Repair & Accessories in Great Mall (#3). Posted hours are office hours; many firms also run an after-hours support line for contract clients.
What Google rating do Union City computer repair shops have?
The median Google rating among 168 rated computer repair shops in Union City is 4.8★, with a median of 23 reviews. Johnson Computer, Inc. has the most, 1,090 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ITFirmsRanked rank computer repair shops?
Each computer repair shop 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 computer repair shops outside Union City count in this ranking?
Yes, if they are within 20 mi of the Union City city center, our service radius for computer repair shops. 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 computer repair shops 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 computer repair shop do?
Computer repair shops fix desktops, laptops and printers in store or on site: hardware repairs, upgrades, virus removal and setup. Many serve small offices as well as households.
How are computer repair shops in Union City ranked?
By IFR Score: Google rating and review volume, recent reviews, opening hours, how clearly the firm does computer repair, distance, a claimed profile, our badge and verified client reviews. Sponsored placements never change the order.
Should a business use a computer repair shop or an IT provider?
A repair shop suits one-off fixes on a few computers. Once you rely on shared files, email, backups and security across several staff, an IT provider with a support agreement usually works out better.
Should we back up before a repair?
Yes, if the computer still starts. Repairs can involve replacing drives or reinstalling the system. Ask the shop whether it backs up data first and what it charges.
Update log for Union City
- November 2026: IFR Scores recalculated for 168 computer repair shops serving Union City.
- November 2026: 2 duplicate listings merged.
More computer repair shops and Union City pages
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