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Best Cybersecurity Companies in Greatwood, TX (2026)

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

The short answer

  1. 1

    Best overall in Greatwood: Quinn Technology Solutions, IFR Score 67/100; 5.0★ from 211 Google reviews; open 7 days a week.

  2. 5

    Most-reviewed: Impress Computers, 615 Google reviews at 4.8★, the most of 188 ranked; ranked #5.

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

188 Greatwood cybersecurity companies are ranked here by IFR Score, from nine published factors. 61 open Saturdays and 40 open Sundays, based on posted hours. The median Google rating is 5.0★ across 188 rated IT firms.

Most of this list also appears on the Cybersecurity companies in Pearland ranking. See Cybersecurity companies in Pearland

Top 10 cybersecurity companies in Greatwood at a glance

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

Top 10 cybersecurity companies in Greatwood at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1Quinn Technology Solutions675.0★ (211)Houston, 34 mi awaySat · Sun · EveningsOverall
2Infinite Consulting Firm, LLC655.0★ (158)Katy, 24 mi awaySat · Sun · Evenings—
3IronEdge Group | Houston Managed IT Services644.9★ (238)Houston, 16 mi away——
4CITOC624.8★ (33)Houston, 18 mi awaySat · Sun · Evenings—
5Impress Computers624.8★ (615)Katy, 16 mi awaySat · Sun · EveningsMost reviews
6Aldridge | Managed IT & Cybersecurity614.8★ (132)Houston, 22 mi awayEvenings—
7OneSource Cloud Services614.7★ (232)Houston, 35 mi away——
8AMSYS - Managed IT & Cybersecurity604.8★ (80)Houston, 11 mi awaySat · Sun · Evenings—
9ByteTime605.0★ (18)Katy, 13 mi awaySat · Sun · Evenings—
10Meriplex | Houston, TX604.8★ (64)Houston, 14 mi away——

The 188 best cybersecurity companies in Greatwood, 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.

  4. #4 CITOC

    Based in Houston, 18 mi away

    62/100IFR Score

    Ranked #4 because of its Google rating and service focus: 4.8★ from 33 Google reviews, listed on Google as “Computer security service”.

    • 4.8★ from 33 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    1080 W Sam Houston Pkwy N #130, Houston, TX 77043
    View profile for CITOC(713) 490-5000

  5. #5 Impress Computers

    Based in Katy, 16 mi away

    62/100IFR Score

    Ranked #5 because of its Google rating and review volume: 4.8★ from 615 Google reviews, the most in Greatwood.

    • 4.8★ from 615 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    21733 Provincial Blvd #110, Katy, TX 77450
    View profile for Impress Computers(281) 647-9977

  7. #7 OneSource Cloud Services

    Based in Houston, 35 mi away

    61/100IFR Score

    Ranked #7 because of its Google rating and service focus: 4.7★ from 232 Google reviews, listed on Google as “Computer security service”.

    • 4.7★ from 232 Google reviews
    Hours
    Mon–Fri 8 AM–6 PM · Sat–Sun closed
    Address
    18333 Egret Bay Blvd #501, Houston, TX 77058
    View profile for OneSource Cloud Services(281) 990-4600

  9. #9 ByteTime

    Based in Katy, 13 mi away

    60/100IFR Score

    Ranked #9 because of its Google rating and service focus: 5.0★ from 18 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 18 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat–Sun 9 AM–5 PM
    Address
    22136 Westheimer Pkwy #455, Katy, TX 77450
    View profile for ByteTime(281) 782-9464

  10. #10 Meriplex | Houston, TX

    Based in Houston, 14 mi away

    60/100IFR Score

    Ranked #10 because of its Google rating and service focus: 4.8★ from 64 Google reviews, listed on Google as “Computer security service”.

    • 4.8★ from 64 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    10111 Richmond Ave #500, Houston, TX 77042
    View profile for Meriplex | Houston, TX(281) 404-2220

  11. #11 TAM IT Services

    Based in Spring, 16 mi away

    59/100IFR Score

    Ranked #11 because of its Google rating and service focus: 5.0★ from 46 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 46 Google reviews
    Hours
    Mon–Fri 8:30 AM–5 PM · Sat–Sun closed
    View profile for TAM IT Services(713) 826-2118

  12. #12 Cognetic Networks

    Based in Houston, 17 mi away

    59/100IFR Score

    Ranked #12 because of its Google rating and service focus: 4.9★ from 46 Google reviews, listed on Google as “Computer security service”.

    • 4.9★ from 46 Google reviews
    Hours
    Mon–Fri 8:30 AM–5:30 PM · Sat–Sun closed
    Address
    5704 Val Verde St Ste 4, Houston, TX 77057
    View profile for Cognetic Networks(713) 785-3500

  13. #13 SMB Integrations

    Based in Houston, 19 mi away

    59/100IFR Score

    Ranked #13 because of its Google rating and service focus: 5.0★ from 37 Google reviews, listed on Google as “Computer security service”.

    • 5.0★ from 37 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    2100 W Loop S Suite 800, Houston, TX 77027
    View profile for SMB Integrations(713) 589-8555

  14. #14 Centre Technologies

    Based in Houston, 32 mi away

    59/100IFR Score

    Ranked #14 because of its Google rating and service focus: 4.8★ from 65 Google reviews, listed on Google as “Computer security service”.

    • 4.8★ from 65 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    16801 Greenspoint Park Dr Ste 200, Houston, TX 77060
    View profile for Centre Technologies(833) 236-8731

  18. #18 TeamLogic IT

    Based in Sugar Land, 7 mi away

    58/100IFR Score

    Ranked #18 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
    12946 Dairy Ashford Rd #470, Sugar Land, TX 77478
    View profile for TeamLogic IT(281) 201-1798

  19. #19 Preactive IT Solutions

    Based in Richmond, 11 mi away

    58/100IFR Score

    Ranked #19 because of its Google rating and service focus: 4.9★ from 20 Google reviews, listed on Google as “Computer security service”.

    • 4.9★ from 20 Google reviews
    Hours
    Mon–Fri 6 AM–6 PM · Sat–Sun closed
    Address
    1819 First Oaks St #100, Richmond, TX 77406
    View profile for Preactive IT Solutions(832) 944-6250

  20. #20 TX Solutions

    Based in Houston, 18 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
    1151 Brittmoore Rd B, Houston, TX 77043
    View profile for TX Solutions(713) 554-0254

  21. #21 NGNSYS

    Based in Houston, 18 mi away

    58/100IFR Score

    Ranked #21 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 7 AM–6 PM · Sat–Sun closed
    Address
    2200 Post Oak Blvd Ste 1000, Houston, TX 77056
    View profile for NGNSYS(832) 626-5185

  25. #25 Computer Hospital

    Based in Houston, 22 mi away

    57/100IFR Score

    Ranked #25 because of its Google rating and review volume: 4.7★ from 420 Google reviews.

    • 4.7★ from 420 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat 10 AM–2 PM · Sun closed
    Address
    3512 Travis St, Houston, TX 77002
    View profile for Computer Hospital(713) 472-4357

How we ranked Greatwood cybersecurity companies

We scored 188 Greatwood 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 Greatwood 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 Greatwood: frequently asked questions

Who is the best cybersecurity company in Greatwood?

By IFR Score, the highest-ranked cybersecurity company in Greatwood, TX is Quinn Technology Solutions with an IFR Score of 67/100. It has 5.0★ from 211 Google reviews. It is open 7 days a week. Infinite Consulting Firm, LLC (#2) and IronEdge Group | Houston Managed IT Services (#3) follow. We ranked 188 cybersecurity companies on nine factors, last updated November 9, 2026.

Which cybersecurity companies in Greatwood work on weekends?

61 of 188 ranked cybersecurity companies post Saturday hours and 40 post Sunday hours. The highest-ranked open Saturdays are Quinn Technology Solutions (#1), Infinite Consulting Firm, LLC (#2) and CITOC (#4). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Greatwood cybersecurity companies have?

The median Google rating among 188 rated cybersecurity companies in Greatwood is 5.0★, with a median of 17 reviews. Impress Computers has the most, 615 reviews, and ranks #5. 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 Greatwood count in this ranking?

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

  1. November 2026: IFR Scores recalculated for 188 cybersecurity companies serving Greatwood.

More cybersecurity companies and Greatwood pages