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Best IT Consultants in Arlington Heights, IL (2026)

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

The short answer

  1. 1

    Best overall in Arlington Heights: Corporate Technologies, IFR Score 61/100; 4.8★ from 32 Google reviews; open 7 days a week.

  2. 21

    Most-reviewed: DPC Computer repair, 630 Google reviews at 4.9★, the most of 465 ranked; ranked #21.

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

465 Arlington Heights IT consultants are ranked here by IFR Score, from nine published factors. 158 open Saturdays and 99 open Sundays, based on posted hours. The median Google rating is 5.0★ across 465 rated IT firms.

Top 10 IT consultants in Arlington Heights at a glance

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

Top 10 IT consultants in Arlington Heights at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1Corporate Technologies614.8★ (32)Chicago, 22 mi awaySat · Sun · EveningsOverall
2Valexity Technologies604.8★ (18)Hanover Park, 13 mi awaySat · Sun · Evenings—
3The MacMentor - Apple Computer, Mac & iPhone Services605.0★ (70)Highland Park, 11 mi away——
4K2 Services604.7★ (24)Chicago, 23 mi awaySat · Sun · Evenings—
5RIA WorkSpace605.0★ (61)Chicago, 10 mi away——
6Lirsen595.0★ (21)Libertyville, 12 mi awaySat · Sun—
7Creative Tech594.2★ (21)Skokie, 14 mi awaySat · Sun · Evenings—
8Source Networks, Inc.594.9★ (20)Des Plaines, 5 mi away——
9XenSpec595.0★ (8)Schaumburg, 9 mi awaySat · Sun · Evenings—
10InhouseCIO595.0★ (42)Chicago, 10 mi away——

The 465 best IT consultants in Arlington Heights, 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 Arlington Heights

    Based in Chicago, 22 mi away

    61/100IFR Score

    Ranked #1 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
  2. Based in Hanover Park, 13 mi away

    60/100IFR Score

    Ranked #2 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
  3. Based in Highland Park, 11 mi away

    60/100IFR Score

    Ranked #3 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
  4. Based in Chicago, 23 mi away

    60/100IFR Score

    Ranked #4 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
  5. Based in Chicago, 10 mi away

    60/100IFR Score

    Ranked #5 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
  6. Based in Libertyville, 12 mi away

    59/100IFR Score

    Ranked #6 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
  7. Based in Skokie, 14 mi away

    59/100IFR Score

    Ranked #7 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
  8. Based in Des Plaines, 5 mi away

    59/100IFR Score

    Ranked #8 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
  9. Based in Schaumburg, 9 mi away

    59/100IFR Score

    Ranked #9 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
  10. Based in Chicago, 10 mi away

    59/100IFR Score

    Ranked #10 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
  11. Based in Chicago, 23 mi away

    58/100IFR Score

    Ranked #13 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
  12. Based in Naperville, 23 mi away

    58/100IFR 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
  13. Based in North Aurora, 27 mi away

    58/100IFR Score

    Ranked #15 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
  14. Based in Chicago, 11 mi away

    57/100IFR Score

    Ranked #16 because of its Google rating and review volume: 4.8★ from 149 Google reviews.

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

    • 4.8★ from 149 Google reviews
    Hours
    Mon–Fri 12 AM–12 AM · Sat–Sun 10 AM–6 PM
    Address
    6221 N Niagara Ave Unit 408, Chicago, IL 60631
  15. Based in Bartlett, 18 mi away

    57/100IFR Score

    Ranked #17 because of its Google rating and service focus: 5.0★ from 10 Google reviews, listed on Google as “Computer consultant”.

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

    • 5.0★ from 10 Google reviews
    Hours
    Mon 8 AM–8 PM · Tue–Wed 9 AM–8 PM · Thu 8 AM–8 PM · Fri 8 AM–6 PM · Sat–Sun 9 AM–3 PM
  16. Based in Schaumburg, 5 mi away

    57/100IFR Score

    Ranked #19 because of its Google rating and service focus: 4.8★ from 9 Google reviews, listed on Google as “Computer consultant”.

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

    • 4.8★ from 9 Google reviews
    Address
    300 N Martingale Rd #300, Schaumburg, IL 60173
  17. Based in Evanston, 15 mi away

    57/100IFR Score

    Ranked #20 because of its Google rating and service focus: 4.6★ from 21 Google reviews, listed on Google as “Computer consultant”.

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

    • 4.6★ from 21 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat 10 AM–3 PM · Sun closed
    Address
    1880 Oak Ave Ste 301, Evanston, IL 60201
  18. Based in Naperville, 22 mi away

    57/100IFR Score

    Ranked #21 because of its Google rating and review volume: 4.9★ from 630 Google reviews, the most in Arlington Heights.

    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
  19. Based in Palatine, 5 mi away

    57/100IFR Score

    Ranked #24 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
  20. Based in Chicago, 19 mi away

    57/100IFR Score

    Ranked #25 because of its Google rating and service focus: 5.0★ from 31 Google reviews, listed on Google as “Computer consultant”.

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

    • 5.0★ from 31 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    1890 N Milwaukee Ave, Chicago, IL 60647

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

IT consultants in Arlington Heights, ranks 26 to 50
RankBusinessIFR ScoreGoogle ratingDistance
26Computacenter574.7★ (22)6 mi
27Nerd Rangers575.0★ (436)23 mi
28Insight Enterprises, Inc.564.0★ (73)13 mi
29USITplus Business Solutions564.7★ (17)21 mi
30Cary Grove Computers564.9★ (363)16 mi
31Cellphone PC Fix (Repair, Buy, Sell and Trade)564.5★ (436)19 mi
32Lebowitz IT Services LLC565.0★ (11)16 mi
33MNJ Technologies564.2★ (18)6 mi
34MyNew Technologies565.0★ (30)21 mi
35Saber-Toothed Computing564.7★ (3)18 mi
36SafePoint IT565.0★ (244)4 mi
37Prescient Solutions565.0★ (9)3 mi
38CyberVenger IT Compliance & Cybersecurity565.0★ (12)8 mi
39Brongus564.7★ (12)4 mi
40GO Technology Group555.0★ (22)21 mi
41Netrix Global554.6★ (15)9 mi
42VT Services, Inc553.4★ (86)4 mi
43365 Network Solutions555.0★ (10)34 mi
44JW Computer Repairs555.0★ (90)In Arlington Heights
45ITChamp555.0★ (98)27 mi
46Everactive Solutions, Inc.555.0★ (4)7 mi
47Syntel Inc553.4★ (5)4 mi
48Always A Solution Computer Services555.0★ (202)47 mi
49Genuity555.0★ (72)22 mi
50LeadingIT555.0★ (74)23 mi

Also serving Arlington Heights

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 Arlington Heights
BusinessGoogle ratingDistance
Accurate Computer5.0★ (1)In Arlington Heights
AdNET IncIn Arlington Heights
ByteMart Computer Sales and Service5.0★ (1)In Arlington Heights
CCC Pro Solutions LLC - IL/WI5.0★ (13)In Arlington Heights
Chundersoft, LLC5.0★ (3)In Arlington Heights
CME Technology Services, Inc.5.0★ (1)In Arlington Heights
Computer Repair Central5.0★ (1)In Arlington Heights
Finn Tech, LLC5.0★ (1)In Arlington Heights
Genesis Consulting GroupIn Arlington Heights
Kozlov Tech Services LLC5.0★ (14)In Arlington Heights
Macucation, Inc.3.0★ (2)In Arlington Heights
Mitt Technology5.0★ (8)In Arlington Heights
MMFiX CPC4 repair truck ,Phone,Macbook,Data recovery,Tablet,micro soldering4.9★ (90)In Arlington Heights
Mustafa's PC Builds & Repair5.0★ (7)In Arlington Heights
Next Tech Inc5.0★ (2)In Arlington Heights
On-Site Computer Repair of Arlington Heights5.0★ (1)In Arlington Heights
PC Rescue4.7★ (45)In Arlington Heights
Striker Technologies4.9★ (111)In Arlington Heights
Tech Bros5.0★ (2)In Arlington Heights
Zepps Home Computer Repair (No Storefront)5.0★ (84)In Arlington Heights

How we ranked Arlington Heights IT consultants

We scored 465 Arlington Heights 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 Arlington Heights 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 Arlington Heights: frequently asked questions

Who is the best IT consultant in Arlington Heights?

By IFR Score, the highest-ranked IT consultant in Arlington Heights, IL is Corporate Technologies with an IFR Score of 61/100. It has 4.8★ from 32 Google reviews. It is open 7 days a week. Valexity Technologies (#2) and The MacMentor - Apple Computer, Mac & iPhone Services (#3) follow. We ranked 465 IT consultants on nine factors, last updated November 9, 2026.

How many IT consultants are there in Arlington Heights?

ITFirmsRanked ranks 465 IT consultants serving Arlington Heights, IL. 1 of them is based in Arlington Heights; 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 Arlington Heights work on weekends?

158 of 465 ranked IT consultants post Saturday hours and 99 post Sunday hours. The highest-ranked open Saturdays are Corporate Technologies (#1), Valexity Technologies (#2) and K2 Services (#4). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Arlington Heights IT consultants have?

The median Google rating among 465 rated IT consultants in Arlington Heights is 5.0★, with a median of 12 reviews. DPC Computer repair has the most, 630 reviews, and ranks #21. 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 Arlington Heights count in this ranking?

Yes, if they are within 50 mi of the Arlington Heights 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 Arlington Heights 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 Arlington Heights

  1. November 2026: IFR Scores recalculated for 465 IT consultants serving Arlington Heights.
  2. November 2026: 2 duplicate listings merged.