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Best IT Consultants in St. Louis, MO (2026)

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

The short answer

  1. 1

    Best overall in St. Louis: GadellNet Consulting Services, IFR Score 59/100; 4.9★ from 174 Google reviews; open 7 days a week.

  2. 5

    Most-reviewed: Power Up Computers, 656 Google reviews at 4.9★, the most of 115 ranked; ranked #5.

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

115 St. Louis IT consultants are ranked here by IFR Score, from nine published factors. 29 open Saturdays and 19 open Sundays, based on posted hours. The median Google rating is 4.9★ across 115 rated IT firms.

Top 10 IT consultants in St. Louis at a glance

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

Top 10 IT consultants in St. Louis at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1GadellNet Consulting Services594.9★ (174)St. LouisSat · SunOverall
2Bluebird IT LLC595.0★ (13)Bridgeton, 7 mi away——
3Karpel Solutions585.0★ (11)St. LouisSat · Evenings—
4JJMicro Managed IT Solutions575.0★ (54)Lake Saint Louis, 34 mi away——
5Power Up Computers574.9★ (656)O'Fallon, 30 mi awaySatMost reviews
6Sloan Innovation565.0★ (3)Edwardsville, 18 mi awaySat · Sun · Evenings—
7IT Solutions Technology Partners564.8★ (43)St. LouisSat · Sun · Evenings—
8Custom Macintosh/Windows Training564.0★ (8)Creve Coeur, 12 mi away——
9Forward Slash Technology563.8★ (13)St. Louis——
10Greater Impact Consulting | Nonprofit Technology565.0★ (4)University City, 6 mi away——

The 115 best IT consultants in St. Louis, 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. Based in Bridgeton, 7 mi away

    59/100IFR Score

    Ranked #2 because of its Google rating and service focus: 5.0★ from 13 Google reviews, listed on Google as “Computer consultant”.

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

    • 5.0★ from 13 Google reviews
  2. Based in St. Louis

    58/100IFR Score

    Ranked #3 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–Fri 6 AM–10 PM · Sat 9 AM–5 PM · Sun closed
    Address
    9717 Landmark Pkwy Dr #200, St. Louis, MO 63127
  3. Based in Lake Saint Louis, 34 mi away

    57/100IFR Score

    Ranked #4 because of its Google rating and service focus: 5.0★ from 54 Google reviews, listed on Google as “Computer consultant”.

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

    • 5.0★ from 54 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    3401 Technology Dr Ste 220, Lake St Louis, MO 63367
  4. Based in O'Fallon, 30 mi away

    57/100IFR Score

    Ranked #5 because of its Google rating and review volume: 4.9★ from 656 Google reviews, the most in St. Louis.

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

    • 4.9★ from 656 Google reviews
    Hours
    Mon–Tue 10 AM–6 PM · Wed 10 AM–4 PM · Thu–Fri 10 AM–6 PM · Sat 10 AM–2 PM · Sun closed
    Address
    216 E Elm St, O'Fallon, MO 63366
  5. Based in Edwardsville, 18 mi away

    56/100IFR Score

    Ranked #6 because of its Google rating and service focus: 5.0★ from 3 Google reviews, listed on Google as “Computer consultant”.

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

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    231 N Main St, Edwardsville, IL 62025
  6. Based in St. Louis

    56/100IFR Score

    Ranked #9 because of its Google rating and service focus: 3.8★ from 13 Google reviews, listed on Google as “Computer consultant”.

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

    • 3.8★ from 13 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    12825 Flushing Meadows Dr #100, St. Louis, MO 63131
  7. 56/100IFR Score

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

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

    • 5.0★ from 12 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    7777 Bonhomme Ave, Clayton, MO 63105
  8. Based in St. Louis

    55/100IFR Score

    Ranked #14 because of its Google rating and service focus: 5.0★ from 6 Google reviews, listed on Google as “Computer consultant”.

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

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    12970 Maurer Industrial Dr #200, St. Louis, MO 63127
  9. Based in Creve Coeur, 14 mi away

    55/100IFR Score

    Ranked #15 because of its Google rating and service focus: 4.0★ from 6 Google reviews, listed on Google as “Computer consultant”.

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

    • 4.0★ from 6 Google reviews
    Address
    2 Cityplace Dr #195, Creve Coeur, MO 63141
  10. Based in St. Louis

    55/100IFR Score

    Ranked #16 because of its Google rating and service focus: 2.3★ from 3 Google reviews, listed on Google as “Computer consultant”.

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

    • 2.3★ from 3 Google reviews
    Address
    520 Maryville Centre Dr, St. Louis, MO 63141
  11. Based in Bellefontaine Neighbors, 3 mi away

    55/100IFR Score

    Ranked #18 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–Thu 9 AM–11 AM · Fri–Sun closed
  12. Based in Chesterfield, 23 mi away

    55/100IFR Score

    Ranked #19 because of its Google rating and service focus: 4.9★ from 14 Google reviews, listed on Google as “Computer consultant”.

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

    • 4.9★ from 14 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat–Sun closed
    Address
    100 Chesterfield Business Pkwy #200, Chesterfield, MO 63005
  13. Based in Saint Charles, 20 mi away

    54/100IFR Score

    Ranked #21 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–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    2071 Collier Corporate Pkwy, St Charles, MO 63303
  14. Based in St. Louis

    54/100IFR Score

    Ranked #23 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
  15. Based in St. Louis

    54/100IFR Score

    Ranked #24 because of its Google rating and review volume: 5.0★ from 102 Google reviews.

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

    • 5.0★ from 102 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    12430 Tesson Ferry Rd Ste 118, St. Louis, MO 63128
  16. Based in St. Louis

    54/100IFR Score

    Ranked #25 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

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

IT consultants in St. Louis, ranks 26 to 50
RankBusinessIFR ScoreGoogle ratingDistance
26Kaleidoscope Client Services, LLC545.0★ (6)4 mi
27Applied Technologies544.5★ (4)In St. Louis
28Hostirian544.4★ (29)In St. Louis
29Computer Solutions544.8★ (130)In St. Louis
30Savvy Technical Solutions545.0★ (8)15 mi
31Onsite Computer Consulting Services Inc544.2★ (5)In St. Louis
32Chameleon Integrated Services545.0★ (3)In St. Louis
33David Strom Inc544.7★ (3)In St. Louis
34Absolute Computer Solutions544.8★ (6)15 mi
35InterVision543.8★ (14)20 mi
36TDK Technologies, LLC543.6★ (17)20 mi
37NetGain Technologies, LLC534.9★ (14)In St. Louis
38Redbird Tech Crew535.0★ (60)25 mi
39Onsite Computer Consulting - Computer Paramedic534.9★ (111)38 mi
40CAT Computers534.9★ (76)In St. Louis
41Pearl Solutions Group535.0★ (183)27 mi
42Keystone Technologies535.0★ (7)25 mi
43NOC Technology | Managed IT Support for St. Louis534.9★ (78)45 mi
44Slothworks535.0★ (4)30 mi
45Datotel534.8★ (11)In St. Louis
46Blade Technologies, Inc.524.9★ (58)In St. Louis
47Gateway Productivity525.0★ (5)21 mi
48Geeky Girls Computer Solutions LLC525.0★ (36)34 mi
49SBS Creatix LLC525.0★ (3)14 mi
50Utilitra524.3★ (17)13 mi

Also serving St. Louis

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 St. Louis
BusinessGoogle ratingDistance
AEM Business Solutions5.0★ (10)In St. Louis
Amicus IT, LLC5.0★ (24)In St. Louis
Avatara3.6★ (99)In St. Louis
Brooksource - St. Louis4.2★ (5)In St. Louis
CCI Networking4.8★ (21)In St. Louis
CMIT Solutions St. Louis4.9★ (59)In St. Louis
Computer Problem Busters4.7★ (44)In St. Louis
Computerease5.0★ (16)In St. Louis
Datix4.0★ (4)In St. Louis
EHPN Technology Partners5.0★ (18)In St. Louis
HD Tec Solutions5.0★ (4)In St. Louis
Missouri 3D Printing5.0★ (10)In St. Louis
Moore Computing, LLP4.6★ (18)In St. Louis
NJVC5.0★ (1)In St. Louis
NWO IT Services4.7★ (46)In St. Louis
Sellmeyer, Inc.5.0★ (6)In St. Louis
Technology Solutions Inc5.0★ (4)In St. Louis
ThrottleNet5.0★ (791)In St. Louis
TierPoint St. Louis Olive Data Center4.8★ (26)In St. Louis
US CLOUD5.0★ (4)In St. Louis

How we ranked St. Louis IT consultants

We scored 115 St. Louis 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 St. Louis 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 St. Louis: frequently asked questions

Who is the best IT consultant in St. Louis?

By IFR Score, the highest-ranked IT consultant in St. Louis, MO is GadellNet Consulting Services with an IFR Score of 59/100. It has 4.9★ from 174 Google reviews. It is open 7 days a week. Bluebird IT LLC (#2) and Karpel Solutions (#3) follow. We ranked 115 IT consultants on nine factors, last updated November 9, 2026.

How many IT consultants are there in St. Louis?

ITFirmsRanked ranks 115 IT consultants serving St. Louis, MO. 22 of them are based in St. Louis; 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 St. Louis work on weekends?

29 of 115 ranked IT consultants post Saturday hours and 19 post Sunday hours. The highest-ranked open Saturdays are GadellNet Consulting Services (#1), Karpel Solutions (#3) and Power Up Computers (#5). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do St. Louis IT consultants have?

The median Google rating among 115 rated IT consultants in St. Louis is 4.9★, with a median of 11 reviews. Power Up Computers has the most, 656 reviews, and ranks #5. 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 St. Louis count in this ranking?

Yes, if they are within 50 mi of the St. Louis 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 St. Louis 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 St. Louis

  1. November 2026: IFR Scores recalculated for 115 IT consultants serving St. Louis.