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Best IT Consultants in McHenry, IL (2026)

466 IT consultants ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in McHenry: Valexity Technologies, IFR Score 59/100; 4.8★ from 18 Google reviews; open 7 days a week.

  2. 22

    Most-reviewed: DPC Computer repair, 630 Google reviews at 4.9★, the most of 466 ranked; ranked #22.

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

466 McHenry IT consultants are ranked here by IFR Score, from nine published factors. 146 open Saturdays and 94 open Sundays, based on posted hours. The median Google rating is 5.0★ across 466 rated IT firms.

Top 10 IT consultants in McHenry at a glance

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

Top 10 IT consultants in McHenry at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1Valexity Technologies594.8★ (18)Hanover Park, 28 mi awaySat · Sun · EveningsOverall
2The MacMentor - Apple Computer, Mac & iPhone Services585.0★ (70)Highland Park, 25 mi away——
3Corporate Technologies584.8★ (32)Chicago, 44 mi awaySat · Sun · Evenings—
4XenSpec575.0★ (8)Schaumburg, 25 mi awaySat · Sun · Evenings—
5Creative Tech574.2★ (21)Skokie, 36 mi awaySat · Sun · Evenings—
6K2 Services574.7★ (24)Chicago, 45 mi awaySat · Sun · Evenings—
7Lirsen575.0★ (21)Libertyville, 34 mi awaySat · Sun—
8Cary Grove Computers574.9★ (363)Cary, 9 mi awaySat—
9RIA WorkSpace575.0★ (61)Chicago, 32 mi away——
10Cellphone PC Fix (Repair, Buy, Sell and Trade)574.5★ (436)Algonquin, 12 mi awaySat · Sun · Evenings—

The 466 best IT consultants in McHenry, 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 McHenry

    Based in Hanover Park, 28 mi away

    59/100IFR Score

    Ranked #1 because of its Google rating and service focus: 4.8★ from 18 Google reviews, listed on Google as “Computer consultant”.

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

    • 4.8★ from 18 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    3855 County Farm Rd, Hanover Park, IL 60133
  2. Based in Highland Park, 25 mi away

    58/100IFR Score

    Ranked #2 because of its Google rating and service focus: 5.0★ from 70 Google reviews, listed on Google as “Computer consultant”.

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

    • 5.0★ from 70 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    1450 Park Ave W Ste B, Highland Park, IL 60035
  3. Based in Chicago, 44 mi away

    58/100IFR Score

    Ranked #3 because of its Google rating and service focus: 4.8★ from 32 Google reviews, listed on Google as “Computer consultant”.

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

    • 4.8★ from 32 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    641 W Lake St #300, Chicago, IL 60661
  4. Based in Schaumburg, 25 mi away

    57/100IFR Score

    Ranked #4 because of its Google rating and service focus: 5.0★ from 8 Google reviews, listed on Google as “Computer consultant”.

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

    • 5.0★ from 8 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    902 Morse Ave, Schaumburg, IL 60193
  5. Based in Skokie, 36 mi away

    57/100IFR Score

    Ranked #5 because of its Google rating and service focus: 4.2★ from 21 Google reviews, listed on Google as “Computer consultant”.

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

    • 4.2★ from 21 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    3505 W Howard St, Skokie, IL 60076
  6. Based in Chicago, 45 mi away

    57/100IFR Score

    Ranked #6 because of its Google rating and service focus: 4.7★ from 24 Google reviews, listed on Google as “Computer consultant”.

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

    • 4.7★ from 24 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    135 S LaSalle St Ste 3100, Chicago, IL 60603
  7. Based in Libertyville, 34 mi away

    57/100IFR Score

    Ranked #7 because of its Google rating and service focus: 5.0★ from 21 Google reviews, listed on Google as “Computer consultant”.

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

    • 5.0★ from 21 Google reviews
    Hours
    Mon–Sun 9 AM–5 PM
  8. Based in Cary, 9 mi away

    57/100IFR Score

    Ranked #8 because of its Google rating and review volume: 4.9★ from 363 Google reviews.

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

    • 4.9★ from 363 Google reviews
    Hours
    Mon 9 AM–5 PM · Tue 9 AM–6 PM · Wed 9 AM–5 PM · Thu 9 AM–6 PM · Fri 9 AM–5 PM · Sat 9 AM–12 PM · Sun closed
    Address
    115 E Main St, Cary, IL 60013
  9. Based in Chicago, 32 mi away

    57/100IFR Score

    Ranked #9 because of its Google rating and service focus: 5.0★ from 61 Google reviews, listed on Google as “Computer consultant”.

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

    • 5.0★ from 61 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    8770 W Bryn Mawr Ave #1300, Chicago, IL 60631
  10. Based in North Aurora, 37 mi away

    57/100IFR Score

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

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

    • 5.0★ from 11 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    1427 Oakland Cir, North Aurora, IL 60542
  11. Based in Des Plaines, 27 mi away

    57/100IFR Score

    Ranked #12 because of its Google rating and service focus: 4.9★ from 20 Google reviews, listed on Google as “Computer consultant”.

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

    • 4.9★ from 20 Google reviews
    Address
    825 Hollywood Ave, Des Plaines, IL 60016
  12. Based in McHenry

    56/100IFR Score

    Ranked #13 because of its Google rating and service focus: 4.6★ from 15 Google reviews, listed on Google as “Computer consultant”.

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

    • 4.6★ from 15 Google reviews
    Hours
    Mon–Fri 7:30 AM–5 PM · Sat–Sun closed
    Address
    1000 Ridgeview Dr, McHenry, IL 60050
  13. Based in Naperville, 37 mi away

    56/100IFR Score

    Ranked #14 because of its Google rating and service focus: 4.7★ from 83 Google reviews, listed on Google as “Computer consultant”.

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

    • 4.7★ from 83 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1751 W Diehl Rd #185, Naperville, IL 60563
  14. Based in Woodstock, 9 mi away

    56/100IFR Score

    Ranked #15 because of its Google rating and review volume: 4.9★ from 75 Google reviews.

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

    • 4.9★ from 75 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    333 E Jackson St, Woodstock, IL 60098
  15. Based in Chicago, 32 mi away

    56/100IFR Score

    Ranked #16 because of its Google rating and service focus: 5.0★ from 42 Google reviews, listed on Google as “Computer consultant”.

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

    • 5.0★ from 42 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    8770 W Bryn Mawr Ave Ste 1300 suite 1300, Chicago, IL 60631
  16. Based in Crystal Lake, 7 mi away

    56/100IFR Score

    Ranked #17 because of its Google rating and service focus: 5.0★ from 14 Google reviews, listed on Google as “Computer consultant”.

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

    • 5.0★ from 14 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    44 N Walkup Ave, Crystal Lake, IL 60014
  17. Based in Chicago, 45 mi away

    56/100IFR Score

    Ranked #20 because of its Google rating and service focus: 5.0★ from 64 Google reviews, listed on Google as “Computer consultant”.

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

    • 5.0★ from 64 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    203 N La Salle Dr #2100, Chicago, IL 60601
  18. Based in Palatine, 17 mi away

    55/100IFR Score

    Ranked #21 because of its Google rating and service focus: 4.8★ from 17 Google reviews, listed on Google as “Computer consultant”.

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

    • 4.8★ from 17 Google reviews
    Hours
    Mon–Fri 7 AM–8 PM · Sat–Sun closed
    Address
    1228 W Northwest Hwy, Palatine, IL 60067
  19. Based in Naperville, 38 mi away

    55/100IFR Score

    Ranked #22 because of its Google rating and review volume: 4.9★ from 630 Google reviews, the most in McHenry.

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

    • 4.9★ from 630 Google reviews
    Hours
    Mon–Fri 10 AM–6:30 PM · Sat 10 AM–4 PM · Sun closed
    Address
    605 E Ogden Ave Unit B, Naperville, IL 60563
  20. Based in Buffalo Grove, 20 mi away

    55/100IFR Score

    Ranked #23 because of its Google rating and service focus: 4.7★ from 22 Google reviews, listed on Google as “Computer consultant”.

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

    • 4.7★ from 22 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    850 Asbury Dr, Buffalo Grove, IL 60089
  21. Based in Hanover Park, 27 mi away

    55/100IFR Score

    Ranked #25 because of its Google rating and service focus: 4.0★ from 73 Google reviews, listed on Google as “Computer consultant”.

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

    • 4.0★ from 73 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1600 Hunter Rd, Hanover Park, IL 60133

IT consultants 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 466 ranked IT consultants here; the rest are on their profiles.

IT consultants in McHenry, ranks 26 to 50
RankBusinessIFR ScoreGoogle ratingDistance
26Network Data Systems554.8★ (9)24 mi
27One Solution Inc554.8★ (149)34 mi
28Nerd Rangers555.0★ (436)39 mi
29M&G Technology Solutions LLC555.0★ (10)39 mi
30Quest Network Services554.6★ (21)36 mi
31BUGS BYTE - IT Solutions for Business553.4★ (23)34 mi
32Absolute Computer Systems554.8★ (191)27 mi
33Alliance Technologies545.0★ (8)11 mi
34USITplus Business Solutions544.7★ (17)37 mi
35eRepair - iPhone & iPad Repair Chicago544.9★ (568)42 mi
36OWC Pro IT Services545.0★ (8)8 mi
37MNJ Technologies544.2★ (18)20 mi
38Hudson Sky545.0★ (31)42 mi
39Realm of Tech544.6★ (11)16 mi
40Fortress Cybersecurity545.0★ (6)7 mi
41Netrix Global544.6★ (15)22 mi
42SafePoint IT545.0★ (244)19 mi
43adNET Technology Management545.0★ (11)20 mi
44ICS Solutions Inc544.1★ (13)16 mi
45DeKind Computer Consultants545.0★ (5)5 mi
46Wathorn Group LLC545.0★ (4)12 mi
47Lebowitz IT Services LLC545.0★ (11)37 mi
48Prescient Solutions535.0★ (9)22 mi
49Precision Computer Methods Inc.535.0★ (8)32 mi
50One Stop IT535.0★ (8)19 mi

Also serving McHenry

20 more IT consultants within 50 mi that we can't rank yet: too few reviews, or a service we couldn't confirm. Listed A to Z.

Unranked IT consultants serving McHenry
BusinessGoogle ratingDistance
Absolute Solutions Unlimited5.0★ (2)18 mi
All In One Computer Repair4.7★ (19)In McHenry
Allie Tele-Com Inc.5.0★ (2)19 mi
Bacher Computer Solutions Inc3.5★ (2)8 mi
CMIT Solutions, Inc.5.0★ (2)In McHenry
CompuOne | IT Services5.0★ (2)23 mi
Eccezion4.2★ (15)In McHenry
Euthenics Inc5.0★ (2)20 mi
I-T First, Inc.5.0★ (1)In McHenry
Indigo Systems & Technology Consulting Inc.3.0★ (2)14 mi
IV Solutions Group, Inc.5.0★ (2)22 mi
MSI Consulting5.0★ (2)20 mi
ProFix Computer repair4.9★ (78)In McHenry
RGS IT Consulting3.5★ (2)22 mi
Solution Specialties Inc4.0★ (2)12 mi
Soriano Repair Group5.0★ (1)In McHenry
Stratum Access Technologies, Inc.5.0★ (2)16 mi
The Tech Grandson5.0★ (2)10 mi
True North Tek LLC5.0★ (47)In McHenry
X-Tek LLC4.7★ (63)In McHenry

How we ranked McHenry IT consultants

We scored 466 McHenry IT consultants 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 McHenry 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 an IT consultant

  1. Ask whether the consultant earns commissions or referral fees on products they recommend.
  2. Check experience with projects like yours, and ask for a sample deliverable.
  3. Agree the deliverables, timeline and price for each phase before work starts.
  4. Ask for two or three references from clients of your size and industry, and call them.
  5. Get the scope, response times and price in writing before you sign, including how you leave and get your data back.

Questions to ask an IT consultant

  • Do you receive commissions from any vendor you might recommend?
  • What will we receive at the end of the project?
  • Who will do the work, and what similar projects have they completed?
  • Do you bill hourly, per project or on retainer?
  • Will you work alongside our current IT provider?

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.

IT consultants in McHenry: frequently asked questions

Who is the best IT consultant in McHenry?

By IFR Score, the highest-ranked IT consultant in McHenry, IL is Valexity Technologies with an IFR Score of 59/100. It has 4.8★ from 18 Google reviews. It is open 7 days a week. The MacMentor - Apple Computer, Mac & iPhone Services (#2) and Corporate Technologies (#3) follow. We ranked 466 IT consultants on nine factors, last updated November 9, 2026.

How many IT consultants are there in McHenry?

ITFirmsRanked ranks 466 IT consultants serving McHenry, IL. 1 of them is based in McHenry; the rest serve it from nearby towns. Another 20 within 50 mi are listed but not ranked yet. Counts are as of November 2026.

Which IT consultants in McHenry work on weekends?

146 of 466 ranked IT consultants post Saturday hours and 94 post Sunday hours. The highest-ranked open Saturdays are Valexity Technologies (#1), Corporate Technologies (#3) and XenSpec (#4). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do McHenry IT consultants have?

The median Google rating among 466 rated IT consultants in McHenry is 5.0★, with a median of 12 reviews. DPC Computer repair has the most, 630 reviews, and ranks #22. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ITFirmsRanked rank IT consultants?

Each IT consultant 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 IT consultants outside McHenry count in this ranking?

Yes, if they are within 50 mi of the McHenry city center, our service radius for IT consultants. 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 IT consultants 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 an IT consultant do?

IT consultants advise on technology plans and projects: system selection, cloud migrations, budgets, security and compliance programmes, often as a part-time or virtual CIO.

How are it consultants in McHenry ranked?

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

When does a business need an IT consultant rather than an IT provider?

For decisions and projects rather than day-to-day support: choosing a new system, planning a cloud move, setting an IT budget, preparing for an audit or reviewing an existing IT provider.

How do IT consultants charge?

By the hour, by the project or on a monthly retainer for ongoing virtual CIO work. Ask for a fixed price or a capped estimate on defined projects.

Update log for McHenry

  1. November 2026: IFR Scores recalculated for 466 IT consultants serving McHenry.
  2. November 2026: 2 duplicate listings merged.