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Best Cybersecurity Companies in Alpharetta, GA (2026)

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

The short answer

  1. 1

    Best overall in Alpharetta: RedHelm, IFR Score 69/100; 4.9★ from 394 Google reviews; open 7 days a week.

  2. 9

    Most-reviewed: HL Computer, 791 Google reviews at 4.9★, the most of 213 ranked; ranked #9.

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

213 Alpharetta cybersecurity companies are ranked here by IFR Score, from nine published factors. 54 open Saturdays and 38 open Sundays, based on posted hours. The median Google rating is 5.0★ across 213 rated IT firms.

Top 10 cybersecurity companies in Alpharetta at a glance

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

Top 10 cybersecurity companies in Alpharetta at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1RedHelm694.9★ (394)Atlanta, 15 mi awaySat · Sun · EveningsOverall
2Network 1 Consulting644.9★ (58)Atlanta, 12 mi awaySat · Sun · Evenings—
3BlueAlly Technology Solutions, LLC - Head Office644.6★ (575)Atlanta, 16 mi away——
4Network 1 Consulting634.9★ (48)Atlanta, 16 mi awaySat · Sun · Evenings—
5Century Solutions Group, Inc.624.9★ (171)Atlanta, 18 mi away——
6Layer 3 Communications604.5★ (11)Norcross, 13 mi awaySat · Sun · Evenings—
7Dynamic Quest, LLC604.4★ (7)AlpharettaSat · Sun · Evenings—
8Snap Tech IT594.8★ (55)Buford, 13 mi away——
9HL Computer594.9★ (791)Brookhaven, 20 mi awaySat · EveningsMost reviews
10Altpentools595.0★ (6)Atlanta, 11 mi awaySat · Sun · Evenings—

The 213 best cybersecurity companies in Alpharetta, 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.

  1. Ranked #1 in Alpharetta

    Based in Atlanta, 15 mi away

    69/100IFR Score

    Ranked #1 because of its Google rating and service focus: 4.9★ from 394 Google reviews, listed on Google as “Computer security service”.

    • 4.9★ from 394 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    2300 Windy Ridge Pkwy SE Suite 685 South, Atlanta, GA 30339
  2. Based in Atlanta, 12 mi away

    64/100IFR Score

    Ranked #2 because of its Google rating and service focus: 4.9★ from 58 Google reviews, listed on Google as “Computer security service”.

    • 4.9★ from 58 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    5871 Glenridge Dr Ste 240, Atlanta, GA 30328
  3. Based in Atlanta, 16 mi away

    63/100IFR Score

    Ranked #4 because of its Google rating and service focus: 4.9★ from 48 Google reviews, listed on Google as “Computer security service”.

    • 4.9★ from 48 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    3355 Lenox Rd NE Ste 754, Atlanta, GA 30326
  4. Based in Alpharetta

    60/100IFR Score

    Ranked #7 because of its Google rating and service focus: 4.4★ from 7 Google reviews, listed on Google as “Computer security service”.

    • 4.4★ from 7 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    12655 Edison Dr, Alpharetta, GA 30022
  5. Based in Buford, 13 mi away

    59/100IFR Score

    Ranked #8 because of its Google rating and service focus: 4.8★ from 55 Google reviews, listed on Google as “Computer security service”.

    • 4.8★ from 55 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    103 Pilgrim Village Dr #100, Cumming, GA 30040
  6. Based in Brookhaven, 20 mi away

    59/100IFR Score

    Ranked #9 because of its Google rating and review volume: 4.9★ from 791 Google reviews, the most in Alpharetta.

    • 4.9★ from 791 Google reviews
    Hours
    Mon–Fri 10 AM–7 PM · Sat 10 AM–6 PM · Sun closed
    Address
    5226 Stone Mountain Hwy Ste C, Stone Mountain, GA 30087
  7. Based in Atlanta, 11 mi away

    59/100IFR Score

    Ranked #10 because of its Google rating and service focus: 5.0★ from 6 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    6595 Roswell Road Suite G PMB5114, Atlanta, GA 30328
  8. Based in Marietta, 12 mi away

    59/100IFR Score

    Ranked #11 because of its Google rating and service focus: 5.0★ from 39 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 39 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    2440 Sandy Plains Rd Bldg 20, Marietta, GA 30066
  9. Based in Atlanta, 21 mi away

    59/100IFR Score

    Ranked #12 because of its Google rating and service focus: 4.9★ from 47 Google reviews, listed on Google as “Computer security service”.

    • 4.9★ from 47 Google reviews
    Hours
    Mon–Fri 9 AM–7 PM · Sat–Sun closed
    Address
    1201 Peachtree St NE Bldg 400, Suite 100, Atlanta, GA 30361
  10. Based in Alpharetta

    59/100IFR Score

    Ranked #13 because of its Google rating and service focus: 4.9★ from 26 Google reviews, listed on Google as “Computer security service”.

    • 4.9★ from 26 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    5460 McGinnis Village Pl #102, Alpharetta, GA 30005
  11. Based in Atlanta, 16 mi away

    58/100IFR Score

    Ranked #14 because of its Google rating and service focus: 4.6★ from 7 Google reviews, listed on Google as “Computer security service”.

    • 4.6★ from 7 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    3365 Piedmont Rd NE #1400, Atlanta, GA 30305
  12. Based in Atlanta, 10 mi away

    58/100IFR Score

    Ranked #16 because of its Google rating and service focus: 5.0★ from 5 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 5 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    10 Glenlake Pkwy NE Ste 130, Atlanta, GA 30328
  13. Based in Atlanta, 12 mi away

    58/100IFR Score

    Ranked #17 because of its Google rating and service focus: 4.6★ from 48 Google reviews, listed on Google as “Computer security service”.

    • 4.6★ from 48 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1 Concourse Pkwy #500, Atlanta, GA 30328
  14. Based in Marietta, 12 mi away

    58/100IFR Score

    Ranked #18 because of its Google rating and review volume: 5.0★ from 108 Google reviews.

    • 5.0★ from 108 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    3115 Roswell Rd #101, Marietta, GA 30062
  15. Based in Brookhaven, 23 mi away

    58/100IFR Score

    Ranked #19 because of its Google rating and service focus: 5.0★ from 35 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 35 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
  16. Based in Atlanta, 15 mi away

    58/100IFR Score

    Ranked #20 because of its Google rating and service focus: 5.0★ from 4 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 4 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    285 W Wieuca Rd NE #5527, Atlanta, GA 30342
  17. Based in Gainesville, 31 mi away

    57/100IFR Score

    Ranked #21 because of its Google rating and service focus: 5.0★ from 34 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 34 Google reviews
    Hours
    Mon–Fri 7 AM–6 PM · Sat–Sun closed
    Address
    329 Oak St Ste 204, Gainesville, GA 30501
  18. Based in Duluth, 13 mi away

    57/100IFR Score

    Ranked #22 because of its Google rating and service focus: 4.9★ from 21 Google reviews, listed on Google as “Computer security service”.

    • 4.9★ from 21 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    3090 Premiere Pkwy #300, Duluth, GA 30097
  19. Based in Atlanta, 21 mi away

    57/100IFR Score

    Ranked #24 because of its Google rating and service focus: 5.0★ from 24 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 24 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    695 Pylant St NE Ste 222, Atlanta, GA 30306
  20. Based in Atlanta, 28 mi away

    57/100IFR Score

    Ranked #25 because of its Google rating and service focus: 4.4★ from 5 Google reviews, listed on Google as “Computer security service”.

    • 4.4★ from 5 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    1453 Wadley Ave, Atlanta, GA 30344

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

cybersecurity companies in Alpharetta, ranks 26 to 50
RankBusinessIFR ScoreGoogle ratingDistance
26Serket-Tech Security575.0★ (3)20 mi
27CentricsIT - ITAD Services574.2★ (27)9 mi
28nCloud MSP, Inc.575.0★ (12)In Alpharetta
29PCPlus Networks564.9★ (82)17 mi
30Vernari Tech565.0★ (10)In Alpharetta
31Red Sentry564.8★ (20)16 mi
32Centerpoint IT565.0★ (250)3 mi
33GeekIT564.7★ (313)12 mi
34TeamLogic IT565.0★ (14)15 mi
35CheckX Solutions Group565.0★ (4)5 mi
36Cyber Buddy Computers565.0★ (19)23 mi
37Micro Ops LLC564.8★ (70)16 mi
38Cyber-Tech Computers564.9★ (88)13 mi
39SafePC Solutions554.2★ (20)21 mi
40Adoverse IT554.7★ (14)17 mi
41CMIT Solutions555.0★ (14)24 mi
42SunSky Computer554.9★ (183)12 mi
43Your IT Company555.0★ (4)9 mi
44mPowered IT554.9★ (218)4 mi
45UniVirtual Solutions555.0★ (45)16 mi
46ItGresa Consulting Group, Inc555.0★ (6)17 mi
47Firestorm Cyber555.0★ (3)44 mi
48ControlScan552.9★ (23)In Alpharetta
49STRATEFI-IT LLC555.0★ (10)16 mi
50AlphaCIS554.9★ (41)13 mi

Also serving Alpharetta

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 Alpharetta
BusinessGoogle ratingDistance
3A Global Solutions5.0★ (9)In Alpharetta
5Q3.9★ (10)In Alpharetta
CAI - IT Technical Support Services4.5★ (2)In Alpharetta
Coalfire5.0★ (2)In Alpharetta
CyberLoft Computer Services5.0★ (2)In Alpharetta
Edge Solutions4.9★ (11)In Alpharetta
IES Techies LLC5.0★ (24)In Alpharetta
JETT Business Technology4.9★ (38)In Alpharetta
Logic Speak5.0★ (15)In Alpharetta
MCG Technology Solutions5.0★ (2)In Alpharetta
Navanta4.5★ (15)In Alpharetta
NTi Networks, LLC4.0★ (2)In Alpharetta
Open Systems Inc4.0★ (5)In Alpharetta
Outbox IT5.0★ (2)In Alpharetta
Parle Technologies5.0★ (6)In Alpharetta
Peach State IT5.0★ (13)In Alpharetta
Rietta Inc.5.0★ (3)In Alpharetta
SB3G Technology Solutions LLC5.0★ (4)In Alpharetta
Unistar Technologies4.9★ (12)In Alpharetta
Viking Cloud1.0★ (4)In Alpharetta

How we ranked Alpharetta cybersecurity companies

We scored 213 Alpharetta 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 Alpharetta 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 Alpharetta: frequently asked questions

Who is the best cybersecurity company in Alpharetta?

By IFR Score, the highest-ranked cybersecurity company in Alpharetta, GA is RedHelm with an IFR Score of 69/100. It has 4.9★ from 394 Google reviews. It is open 7 days a week. Network 1 Consulting (#2) and BlueAlly Technology Solutions, LLC - Head Office (#3) follow. We ranked 213 cybersecurity companies on nine factors, last updated November 9, 2026.

How many cybersecurity companies are there in Alpharetta?

ITFirmsRanked ranks 213 cybersecurity companies serving Alpharetta, GA. 5 of them are based in Alpharetta; the rest serve it from nearby towns. Another 20 within 75 mi are listed but not ranked yet. Counts are as of November 2026.

Which cybersecurity companies in Alpharetta work on weekends?

54 of 213 ranked cybersecurity companies post Saturday hours and 38 post Sunday hours. The highest-ranked open Saturdays are RedHelm (#1), Network 1 Consulting (#2) and Network 1 Consulting (#4). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Alpharetta cybersecurity companies have?

The median Google rating among 213 rated cybersecurity companies in Alpharetta is 5.0★, with a median of 15 reviews. HL Computer has the most, 791 reviews, and ranks #9. 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 Alpharetta count in this ranking?

Yes, if they are within 75 mi of the Alpharetta 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 Alpharetta 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 Alpharetta

  1. November 2026: IFR Scores recalculated for 213 cybersecurity companies serving Alpharetta.
  2. November 2026: 1 duplicate listing merged.