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Best Cybersecurity Companies in Upper Alton, IL (2026)

76 cybersecurity companies ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Upper Alton: Blade Technologies, Inc., IFR Score 58/100; 4.9★ from 58 Google reviews.

  2. 2

    Most-reviewed: Phoenix Solutions | Electronics Recycling in St. Louis, 1,096 Google reviews at 5.0★, the most of 76 ranked; ranked #2.

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

76 Upper Alton cybersecurity companies are ranked here by IFR Score, from nine published factors. 23 open Saturdays and 20 open Sundays, based on posted hours. The median Google rating is 4.9★ across 76 rated IT firms.

Top 10 cybersecurity companies in Upper Alton at a glance

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

Top 10 cybersecurity companies in Upper Alton at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1Blade Technologies, Inc.584.9★ (58)St. Louis, 28 mi away—Overall
2Phoenix Solutions | Electronics Recycling in St. Louis575.0★ (1,096)Ballwin, 28 mi away—Most reviews
3Acumen Managed IT Services574.9★ (31)St. Louis, 22 mi away——
4FeatherShark575.0★ (27)Chesterfield, 27 mi away——
5Alliance Technologies564.8★ (26)St. Louis, 24 mi away——
6GadellNet Consulting Services564.9★ (174)St. Louis, 21 mi awaySat · Sun—
7PhasedLogix564.8★ (32)O'Fallon, 32 mi away——
8UNCOMN555.0★ (15)Belleville, 29 mi away——
9Lantern Security545.0★ (4)Kirkwood, 27 mi away——
10IT Solutions Technology Partners544.8★ (43)St. Louis, 19 mi awaySat · Sun · Evenings—

The 76 best cybersecurity companies in Upper Alton, 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 Upper Alton

    Based in St. Louis, 28 mi away

    58/100IFR Score

    Ranked #1 because of its Google rating and service focus: 4.9★ from 58 Google reviews, listed on Google as “Computer security service”.

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

    • 4.9★ from 58 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    10820 Sunset Office Dr #101, St. Louis, MO 63127
  2. Based in St. Louis, 22 mi away

    57/100IFR Score

    Ranked #3 because of its Google rating and service focus: 4.9★ from 31 Google reviews, listed on Google as “Computer security service”.

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

    • 4.9★ from 31 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1735 S Big Bend Blvd, St. Louis, MO 63117
  3. Based in Chesterfield, 27 mi away

    57/100IFR Score

    Ranked #4 because of its Google rating and service focus: 5.0★ from 27 Google reviews, listed on Google as “Computer security service”.

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

    • 5.0★ from 27 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    424 S Woods Mill Rd #340, Chesterfield, MO 63017
  4. Based in St. Louis, 24 mi away

    56/100IFR Score

    Ranked #5 because of its Google rating and service focus: 4.8★ from 26 Google reviews, listed on Google as “Computer security service”.

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

    • 4.8★ from 26 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    999 Executive Pkwy Dr Ste 320 A, St. Louis, MO 63141
  5. Based in O'Fallon, 32 mi away

    56/100IFR Score

    Ranked #7 because of its Google rating and service focus: 4.8★ from 32 Google reviews, listed on Google as “Computer security service”.

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

    • 4.8★ from 32 Google reviews
    Hours
    Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
    Address
    6702 Keaton Corporate Pkwy #102, O'Fallon, MO 63368
  6. Based in Belleville, 29 mi away

    55/100IFR Score

    Ranked #8 because of its Google rating and service focus: 5.0★ from 15 Google reviews, listed on Google as “Computer security service”.

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

    • 5.0★ from 15 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    735 Seibert Rd #1, Scott AFB, IL 62225
  7. Based in Kirkwood, 27 mi away

    54/100IFR Score

    Ranked #9 because of its Google rating and service focus: 5.0★ from 4 Google reviews, listed on Google as “Computer security service”.

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

    • 5.0★ from 4 Google reviews
    Address
    333 Leffingwell Ave #125, Kirkwood, MO 63122
  8. Based in Chesterfield, 32 mi away

    54/100IFR Score

    Ranked #11 because of its Google rating and service focus: 3.0★ from 3 Google reviews, listed on Google as “Computer security service”.

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

    • 3.0★ from 3 Google reviews
    Hours
    Mon–Sun 9 AM–10 PM
    Address
    2142 Wildwood Meadows Ct, Chesterfield, MO 63005
  9. Based in St. Louis, 20 mi away

    54/100IFR Score

    Ranked #12 because of its Google rating and service focus: 5.0★ from 32 Google reviews, listed on Google as “Computer support and services”.

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

    • 5.0★ from 32 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    1353 Baur Blvd, St. Louis, MO 63132
  10. Based in Saint Charles, 32 mi away

    53/100IFR Score

    Ranked #17 because of its Google rating and review volume: 5.0★ from 183 Google reviews.

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

    • 5.0★ from 183 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    4 Research Park Dr Ste 100, St Charles, MO 63304
  11. Based in Saint Peters, 28 mi away

    53/100IFR Score

    Ranked #18 because of its Google rating and service focus: 5.0★ from 5 Google reviews, listed on Google as “Computer security service”.

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

    • 5.0★ from 5 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    223 Salt Lick Rd #220, St Peters, MO 63376
  12. Based in St. Louis, 21 mi away

    52/100IFR Score

    Ranked #19 because of its Google rating and service focus: 4.4★ from 29 Google reviews, listed on Google as “Web hosting company”.

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

    • 4.4★ from 29 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    11756 Borman Dr, St. Louis, MO 63146
  13. Based in Edwardsville, 9 mi away

    52/100IFR Score

    Ranked #20 because of its Google rating and service focus: 4.3★ from 17 Google reviews, listed on Google as “Computer support and services”.

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

    • 4.3★ from 17 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    200 Lakefront Pkwy, Edwardsville, IL 62025
  14. Based in St. Louis, 23 mi away

    52/100IFR Score

    Ranked #21 because of its Google rating and review volume: 4.7★ from 95 Google reviews.

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

    • 4.7★ from 95 Google reviews
    Hours
    Mon–Fri 9 AM–4 PM · Sat 9 AM–3 PM · Sun closed
    Address
    5236 Bancroft Ave, St. Louis, MO 63109
  15. Based in O'Fallon, 31 mi away

    52/100IFR Score

    Ranked #22 because of its Google rating and service focus: 5.0★ from 4 Google reviews, listed on Google as “Computer security service”.

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

    • 5.0★ from 4 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    300 Fort Zumwalt Square #110, O'Fallon, MO 63366
  16. Based in O'Fallon, 27 mi away

    52/100IFR Score

    Ranked #23 because of its Google rating and service focus: 4.0★ from 4 Google reviews, listed on Google as “Computer security service”.

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

    • 4.0★ from 4 Google reviews
    Hours
    Mon–Fri 8 AM–4 PM · Sat–Sun closed
    Address
    1722 Corporate Crossing #1, O'Fallon, IL 62269
  17. Based in St. Louis, 19 mi away

    52/100IFR Score

    Ranked #24 because of its Google rating and service focus: 4.9★ from 14 Google reviews, listed on Google as “Data recovery service”.

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

    • 4.9★ from 14 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    4625 Lindell Blvd Suite 200 and 300, St. Louis, MO 63108
  18. Based in St. Louis, 25 mi away

    52/100IFR Score

    Ranked #25 because of its Google rating and review volume: 4.9★ from 116 Google reviews.

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

    • 4.9★ from 116 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    5317 Knights of Columbus Dr, St. Louis, MO 63119

Cybersecurity companies 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 76 ranked cybersecurity companies here; the rest are on their profiles.

cybersecurity companies in Upper Alton, ranks 26 to 50
RankBusinessIFR ScoreGoogle ratingDistance
26Elliott Data Systems, Inc.515.0★ (3)31 mi
27Omega ATC514.0★ (4)31 mi
28IT Architechs, Inc.515.0★ (102)30 mi
29Onsite Computer Consulting – St. Louis County Managed IT Services Company515.0★ (12)21 mi
30Datotel514.8★ (11)19 mi
31Jeff Computers Cyber Security515.0★ (8)24 mi
32Alliance Tech | IT Services St. Louis505.0★ (70)31 mi
33Onsite Computer Consulting - Computer Paramedic504.9★ (111)38 mi
34Essential Network Technologies | Missouri IT Support Company & Managed IT Services505.0★ (55)28 mi
35Rescuecom of St. Louis504.4★ (7)19 mi
36Computer PRO Unltd.504.5★ (90)21 mi
37Computype IT Solutions504.8★ (65)27 mi
38Midwest Networking Services, LLC505.0★ (40)23 mi
39The 20 MSP495.0★ (5)22 mi
40JJMicro Managed IT Solutions495.0★ (54)36 mi
41Onsite Computer Consulting Services Inc494.2★ (5)20 mi
42Computer Problem Busters494.7★ (44)21 mi
43TierPoint St. Louis Millpark Data Center494.0★ (4)20 mi
44PCTech484.9★ (42)35 mi
45PC Electronics inc484.7★ (159)66 mi
46STR Technologies485.0★ (54)56 mi
47JIL Technology485.0★ (6)48 mi
48Computerease IT Support of Collinsville/Edwardsville484.4★ (30)19 mi
49Computer St. Louis474.7★ (22)30 mi
50Huneidi Services475.0★ (13)17 mi

Also serving Upper Alton

20 more cybersecurity companies within 75 mi that we can't rank yet: too few reviews, or a service we couldn't confirm. Listed A to Z.

Unranked cybersecurity companies serving Upper Alton
BusinessGoogle ratingDistance
BirdyFoot5.0★ (1)29 mi
Cash Control Business Systems4.5★ (2)18 mi
Common Sense Solutions5.0★ (1)22 mi
Computerease IT Support of Springfield5.0★ (1)66 mi
Ellegent Systems5.0★ (2)25 mi
Ferrum Technology Services, LLC3.0★ (2)74 mi
Frontline Managed Services3.0★ (2)23 mi
Guardian Cyber Co5.0★ (1)8 mi
Harpy I.T. Solutions LLC1.0★ (1)19 mi
Heart Technologies, Inc.5.0★ (1)66 mi
IngenuIT5.0★ (1)24 mi
Ispirian Computer Forensics4.0★ (1)28 mi
Kt Sky Solutions5.0★ (2)26 mi
NightLion Security5.0★ (2)24 mi
Parameter Security3.0★ (2)29 mi
Q-Net Security5.0★ (1)21 mi
Sikich5.0★ (2)63 mi
SpearTip5.0★ (1)27 mi
Stratosphere Networks5.0★ (1)30 mi
Tek45.0★ (2)36 mi

How we ranked Upper Alton cybersecurity companies

We scored 76 Upper Alton cybersecurity companies 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 Upper Alton 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 cybersecurity company

  1. Ask whether monitoring is staffed around the clock by the firm itself or by a partner.
  2. Ask for a sample assessment or penetration-test report with client details removed.
  3. Check experience with your industry’s rules (for example HIPAA, PCI DSS or CMMC).
  4. Ask what the firm does in the first hour of an incident, and whether that is in the contract.
  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 cybersecurity company

  • Is your security monitoring staffed 24/7, and by whom?
  • Which frameworks do you assess against?
  • What do your reports include, and do you re-test after we fix the findings?
  • Do you handle incident response yourselves, and do you work with cyber insurers?
  • What access will you need to our systems, and how is it controlled and logged?
  • Which certifications do the people doing the work hold?

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.

Cybersecurity companies in Upper Alton: frequently asked questions

Who is the best cybersecurity company in Upper Alton?

By IFR Score, the highest-ranked cybersecurity company in Upper Alton, IL is Blade Technologies, Inc. with an IFR Score of 58/100. It has 4.9★ from 58 Google reviews. Phoenix Solutions | Electronics Recycling in St. Louis (#2) and Acumen Managed IT Services (#3) follow. We ranked 76 cybersecurity companies on nine factors, last updated November 9, 2026.

How many cybersecurity companies are there in Upper Alton?

ITFirmsRanked ranks 76 cybersecurity companies serving Upper Alton, IL. Another 20 within 75 mi are listed but not ranked yet. Counts are as of November 2026.

Which cybersecurity companies in Upper Alton work on weekends?

23 of 76 ranked cybersecurity companies post Saturday hours and 20 post Sunday hours. The highest-ranked open Saturdays are GadellNet Consulting Services (#6), IT Solutions Technology Partners (#10) and Digital Forensics (#11). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Upper Alton cybersecurity companies have?

The median Google rating among 76 rated cybersecurity companies in Upper Alton is 4.9★, with a median of 14 reviews. Phoenix Solutions | Electronics Recycling in St. Louis has the most, 1,096 reviews, and ranks #2. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ITFirmsRanked rank cybersecurity companies?

Each cybersecurity company 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 cybersecurity companies outside Upper Alton count in this ranking?

Yes, if they are within 75 mi of the Upper Alton city center, our service radius for cybersecurity companies. 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 cybersecurity companies 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 cybersecurity company do?

Cybersecurity companies assess and protect a business’s systems and data: security monitoring, endpoint protection, penetration testing, compliance support and incident response.

How are cybersecurity companies in Upper Alton ranked?

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

Do we need a cybersecurity firm if we already have an IT provider?

Sometimes. Many IT providers include basic security tools; a security firm adds specialist work such as 24/7 monitoring, penetration tests, compliance audits and incident response. Ask your IT provider what they cover and where they would bring in a specialist.

What is the difference between a security assessment and a penetration test?

An assessment reviews your policies, settings and controls against a framework. A penetration test is an authorised, simulated attack that tries to exploit weaknesses. Both end with a written report and a list of fixes.

Can a cybersecurity firm help with compliance?

Many help organisations prepare for requirements such as HIPAA, PCI DSS, CMMC or SOC 2. They can advise and assess, but only an independent auditor issues a SOC 2 report, and compliance is ultimately your responsibility.

Update log for Upper Alton

  1. November 2026: IFR Scores recalculated for 76 cybersecurity companies serving Upper Alton.