67/100IFR Score
Ranked #1 because of its Google rating and service focus: 4.9★ from 656 Google reviews, listed on Google as “Computer service”.
Based on 8 of 9 factors; recency not yet collected.
Best Computer Repair Shops in O'Fallon, MO (2026)
59 computer repair shops ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in O'Fallon: Power Up Computers, IFR Score 67/100; 4.9★ from 656 Google reviews; open Saturdays until 2 PM.
- 13
Most-reviewed: eTech Solutions, 1,082 Google reviews at 4.9★, the most of 59 ranked; ranked #13.
Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank
59 O'Fallon computer repair shops are ranked here by IFR Score, from nine published factors. 25 open Saturdays and 15 open Sundays, based on posted hours. The median Google rating is 5.0★ across 59 rated IT firms.
Top 10 computer repair shops in O'Fallon 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 | Power Up Computers | 67 | 4.9★ (656) | O'Fallon | Sat | Overall |
| 2 | The FIX - Phone Repair | Computer Repair | Tablet Repair & Accessories | 64 | 4.5★ (335) | Saint Peters, 5 mi away | Sat · Sun · Evenings | — |
| 3 | Geeky Girls Computer Solutions LLC | 64 | 5.0★ (36) | O'Fallon | Sat · Sun · Evenings | — |
| 4 | The FIX - Phone Repair | Computer Repair | Tablet Repair & Accessories. | 63 | 4.7★ (924) | Ballwin, 20 mi away | Sat · Sun · Evenings | — |
| 5 | EPC Inc | 63 | 4.5★ (467) | Saint Charles, 7 mi away | Sat | — |
| 6 | Phone Factory | 62 | 5.0★ (167) | Saint Charles, 9 mi away | Sat · Evenings | — |
| 7 | Pearl Solutions Group | 61 | 5.0★ (183) | Saint Charles, 7 mi away | — | — |
| 8 | Redbird Tech Crew | 61 | 5.0★ (60) | Chesterfield, 9 mi away | Sat · Sun · Evenings | — |
| 9 | Best PC Repair | 61 | 4.6★ (152) | Manchester, 18 mi away | Sat · Sun · Evenings | — |
| 10 | Automated Technologies Computer Services | 59 | 4.9★ (72) | Saint Peters, 7 mi away | — | — |
The 59 best computer repair shops in O'Fallon, 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.
Based in Saint Peters, 5 mi away
64/100IFR ScoreRanked #2 because of its Google rating and service focus: 4.5★ from 335 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
Based in O'Fallon
64/100IFR ScoreRanked #3 because of its Google rating and service focus: 5.0★ from 36 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
Based in Ballwin, 20 mi away
63/100IFR ScoreRanked #4 because of its Google rating and service focus: 4.7★ from 924 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
#5 EPC Inc
Based in Saint Charles, 7 mi away
63/100IFR ScoreRanked #5 because of its Google rating and service focus: 4.5★ from 467 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
Based in Saint Charles, 9 mi away
62/100IFR ScoreRanked #6 because of its Google rating and service focus: 5.0★ from 167 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
Based in Saint Charles, 7 mi away
61/100IFR ScoreRanked #7 because of its Google rating and service focus: 5.0★ from 183 Google reviews, listed on Google as “Computer service”.
Based on 8 of 9 factors; recency not yet collected.
Based in Chesterfield, 9 mi away
61/100IFR ScoreRanked #8 because of its Google rating and service focus: 5.0★ from 60 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
Based in Manchester, 18 mi away
61/100IFR ScoreRanked #9 because of its Google rating and service focus: 4.6★ from 152 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
Based in Saint Peters, 7 mi away
59/100IFR ScoreRanked #10 because of its Google rating and service focus: 4.9★ from 72 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
Based in O'Fallon
57/100IFR ScoreRanked #11 because of its Google rating and service focus: 5.0★ from 5 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
Based in O'Fallon
57/100IFR ScoreRanked #12 because of its Google rating and service focus: 5.0★ from 10 Google reviews, listed on Google as “Computer service”.
Based on 8 of 9 factors; recency not yet collected.
#13 eTech Solutions
Based in Saint Charles, 10 mi away
57/100IFR ScoreRanked #13 because of its Google rating and review volume: 4.9★ from 1,082 Google reviews, the most in O'Fallon.
Based on 8 of 9 factors; recency not yet collected.
Based in Dardenne Prairie, 6 mi away
56/100IFR ScoreRanked #14 because of its Google rating and service focus: 5.0★ from 7 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
Based in Saint Charles, 9 mi away
56/100IFR ScoreRanked #15 because of its Google rating and service focus: 4.7★ from 46 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
#16 StLou Fix
Based in Saint Peters, 3 mi away
56/100IFR ScoreRanked #16 because of its Google rating and service focus: 5.0★ from 5 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
Based in Ballwin, 18 mi away
56/100IFR ScoreRanked #17 because of its Google rating and service focus: 4.9★ from 86 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
#18 Wencol Inc
Based in Troy, 20 mi away
56/100IFR ScoreRanked #18 because of its Google rating and service focus: 4.7★ from 65 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
Based in Saint Peters, 6 mi away
55/100IFR ScoreRanked #19 because of its Google rating and service focus: 5.0★ from 4 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
Based in Ballwin, 18 mi away
55/100IFR ScoreRanked #20 because of its Google rating and service focus: 5.0★ from 26 Google reviews, listed on Google as “Computer service”.
Based on 7 of 9 factors; recency and availability not yet collected.
Based in O'Fallon
55/100IFR ScoreRanked #21 because of its Google rating and service focus: 5.0★ from 3 Google reviews, listed on Google as “Computer repair service”.
Based on 7 of 9 factors; recency and availability not yet collected.
#22 Local Logic IT
Based in Bridgeton, 15 mi away
55/100IFR ScoreRanked #22 because of its Google rating and service focus: 5.0★ from 12 Google reviews, listed on Google as “Computer service”.
Based on 8 of 9 factors; recency not yet collected.
Based in Washington, 19 mi away
54/100IFR ScoreRanked #23 because of its Google rating and service focus: 4.9★ from 31 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
Based in Cahokia, 19 mi away
54/100IFR ScoreRanked #24 because of its Google rating and service focus: 5.0★ from 49 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
Based in Bridgeton, 13 mi away
54/100IFR ScoreRanked #25 because of its Google rating and service focus: 3.3★ from 6 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
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 59 ranked computer repair shops here; the rest are on their profiles.
Also serving O'Fallon
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 |
|---|---|---|
| All Business Computer Services LLC | 3.0★ (1) | 6 mi |
| At Home PC 4 You | 5.0★ (1) | 6 mi |
| BlazingFastPC's | 5.0★ (2) | 9 mi |
| Business Computer Repair | In O'Fallon | |
| Call A PC Tech | 5.0★ (1) | In O'Fallon |
| Computer Paramedic | 5.0★ (1) | In O'Fallon |
| Electronics Emended Cell Phone Repair Computer Repair | 5.0★ (2) | 16 mi |
| FOS Computer Services | 1.0★ (2) | In O'Fallon |
| Jason's Tech Solutions, LLC | 5.0★ (1) | In O'Fallon |
| MANPOWER | 2.8★ (18) | In O'Fallon |
| Midknight Solutions | 5.0★ (16) | In O'Fallon |
| OnlyLink Business Solutions | 4.0★ (2) | 13 mi |
| PhasedLogix | 4.8★ (32) | In O'Fallon |
| Platinum Systems | 5.0★ (1) | In O'Fallon |
| Prime Computer Technologies | 3.0★ (2) | 19 mi |
| SC-PC | 5.0★ (1) | In O'Fallon |
| TeamLogic IT | 5.0★ (6) | In O'Fallon |
| Toxic's Custom PC's | 5.0★ (2) | 17 mi |
| VGraphix | 5.0★ (5) | In O'Fallon |
| Winning Technologies | 4.4★ (29) | In O'Fallon |
How we ranked O'Fallon computer repair shops
We scored 59 O'Fallon 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 O'Fallon 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 O'Fallon: frequently asked questions
Who is the best computer repair shop in O'Fallon?
By IFR Score, the highest-ranked computer repair shop in O'Fallon, MO is Power Up Computers with an IFR Score of 67/100. It has 4.9★ from 656 Google reviews. It is open Saturdays until 2 PM. The FIX - Phone Repair | Computer Repair | Tablet Repair & Accessories (#2) and Geeky Girls Computer Solutions LLC (#3) follow. We ranked 59 computer repair shops on nine factors, last updated November 9, 2026.
How many computer repair shops are there in O'Fallon?
ITFirmsRanked ranks 59 computer repair shops serving O'Fallon, MO. 6 of them are based in O'Fallon; the rest serve it from nearby towns. Another 20 within 20 mi are listed but not ranked yet. Counts are as of November 2026.
Which computer repair shops in O'Fallon work on weekends?
25 of 59 ranked computer repair shops post Saturday hours and 15 post Sunday hours. The highest-ranked open Saturdays are Power Up Computers (#1), The FIX - Phone Repair | Computer Repair | Tablet Repair & Accessories (#2) and Geeky Girls Computer Solutions LLC (#3). Posted hours are office hours; many firms also run an after-hours support line for contract clients.
What Google rating do O'Fallon computer repair shops have?
The median Google rating among 59 rated computer repair shops in O'Fallon is 5.0★, with a median of 19 reviews. eTech Solutions has the most, 1,082 reviews, and ranks #13. 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 O'Fallon count in this ranking?
Yes, if they are within 20 mi of the O'Fallon 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 O'Fallon 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 O'Fallon
- November 2026: IFR Scores recalculated for 59 computer repair shops serving O'Fallon.
- November 2026: 1 duplicate listing merged.
More computer repair shops and O'Fallon pages
Computer repair shops near O'Fallon
- Computer repair shops in Dardenne Prairie, MO58 ranked
- Computer repair shops in Saint Peters, MO67 ranked
- Computer repair shops in Lake Saint Louis, MO45 ranked
- Computer repair shops in Wentzville, MO35 ranked
- Computer repair shops in Saint Charles, MO103 ranked
- Computer repair shops in Chesterfield, MO108 ranked
- Computer repair shops in Bridgeton, MO106 ranked
- Computer repair shops in Wildwood, MO92 ranked
- Computer repair shops in Maryland Heights, MO112 ranked
- Computer repair shops in Ballwin, MO110 ranked
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- Network cabling and installation companies in O'Fallon52 ranked
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- Data recovery services in O'Fallon45 ranked
- All IT providers in O'Fallon