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Best IT Consultants in Sun Prairie, WI (2026)

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

The short answer

  1. 1

    Best overall in Sun Prairie: PDS, A Converge Company, IFR Score 63/100; 4.7★ from 22 Google reviews; open 7 days a week.

  2. 7

    Most-reviewed: Remachines, 237 Google reviews at 4.9★, the most of 57 ranked; ranked #7.

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

57 Sun Prairie IT consultants are ranked here by IFR Score, from nine published factors. 13 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.9★ across 57 rated IT firms.

Most of this list also appears on the IT consultants in Madison ranking. See IT consultants in Madison

Top 10 IT consultants in Sun Prairie at a glance

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

Top 10 IT consultants in Sun Prairie at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
1PDS, A Converge Company634.7★ (22)Madison, 8 mi awaySat · Sun · EveningsOverall
2Inter-Quest624.9★ (122)Beaver Dam, 27 mi away——
3VC3 (formerly Aberdean Consulting LLC)625.0★ (68)Madison, 16 mi away——
4Applied Tech614.6★ (43)Madison, 6 mi away——
5Adesys605.0★ (37)Fitchburg, 16 mi away——
6DirectNetworks, Inc.595.0★ (23)Madison, 14 mi away——
7Remachines584.9★ (237)Madison, 9 mi away—Most reviews
8BadgerLayer565.0★ (68)Whitewater, 34 mi awaySat · Sun · Evenings—
9Smart Solutions, Inc.564.6★ (9)Madison, 11 mi away——
10Pete the Computer Geek555.0★ (65)Oconomowoc, 39 mi awaySat · Sun · Evenings—

The 57 best IT consultants in Sun Prairie, 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.

  2. #2 Inter-Quest

    Based in Beaver Dam, 27 mi away

    62/100IFR Score

    Ranked #2 because of its Google rating and service focus: 4.9★ from 122 Google reviews, listed on Google as “Computer consultant”.

    • 4.9★ from 122 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    124 N Spring St, Beaver Dam, WI 53916
    View profile for Inter-Quest(920) 885-0141

  4. #4 Applied Tech

    Based in Madison, 6 mi away

    61/100IFR Score

    Ranked #4 because of its Google rating and service focus: 4.6★ from 43 Google reviews, listed on Google as “Computer consultant”.

    • 4.6★ from 43 Google reviews
    Hours
    Mon–Fri 7:30 AM–5:30 PM · Sat–Sun closed
    Address
    6662 Ronald Reagan Ave, Madison, WI 53704
    View profile for Applied Tech(855) 729-1300

  5. #5 Adesys

    Based in Fitchburg, 16 mi away

    60/100IFR Score

    Ranked #5 because of its Google rating and service focus: 5.0★ from 37 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 37 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    2965 Cahill Main, Fitchburg, WI 53711
    View profile for Adesys(608) 288-0100

  6. #6 DirectNetworks, Inc.

    Based in Madison, 14 mi away

    59/100IFR Score

    Ranked #6 because of its Google rating and service focus: 5.0★ from 23 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 23 Google reviews
    Hours
    Mon–Fri 8 AM–5:30 PM · Sat–Sun closed
    Address
    1017 Applegate Rd #100, Madison, WI 53713
    View profile for DirectNetworks, Inc.(608) 270-9980

  7. #7 Remachines

    Based in Madison, 9 mi away

    58/100IFR Score

    Ranked #7 because of its Google rating and review volume: 4.9★ from 237 Google reviews, the most in Sun Prairie.

    • 4.9★ from 237 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    464 N Sherman Ave, Madison, WI 53704
    View profile for Remachines(608) 205-8668

  8. #8 BadgerLayer

    Based in Whitewater, 34 mi away

    56/100IFR Score

    Ranked #8 because of its Google rating and review volume: 5.0★ from 68 Google reviews.

    • 5.0★ from 68 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    261 S 4th St, Whitewater, WI 53190
    View profile for BadgerLayer(262) 220-7884

  9. #9 Smart Solutions, Inc.

    Based in Madison, 11 mi away

    56/100IFR Score

    Ranked #9 because of its Google rating and service focus: 4.6★ from 9 Google reviews, listed on Google as “Computer consultant”.

    • 4.6★ from 9 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    200 River Pl #230, Madison, WI 53716
    View profile for Smart Solutions, Inc.(608) 204-9299

  11. #11 FLEXION INC.

    Based in Madison, 11 mi away

    54/100IFR Score

    Ranked #11 because of its Google rating and service focus: 3.3★ from 7 Google reviews, listed on Google as “Computer consultant”.

    • 3.3★ from 7 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    811 E Washington Ave Unit 400, Madison, WI 53703
    View profile for FLEXION INC.(608) 834-8600

  13. #13 Computer Professor

    Based in Baraboo, 34 mi away

    54/100IFR Score

    Ranked #13 because of its Google rating and review volume: 5.0★ from 100 Google reviews.

    • 5.0★ from 100 Google reviews
    Hours
    Mon 9 AM–3 PM · Tue–Fri 9 AM–5:30 PM · Sat 10 AM–5 PM · Sun closed
    Address
    506 Linn St, Baraboo, WI 53913
    View profile for Computer Professor(608) 408-9268

  14. #14 Envision IT

    Based in Madison, 17 mi away

    54/100IFR Score

    Ranked #14 because of its Google rating and service focus: 5.0★ from 5 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 5 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    8040 Excelsior Dr #402, Madison, WI 53717
    View profile for Envision IT(608) 824-2060

  15. #15 Tech Madison

    Based in Madison, 17 mi away

    54/100IFR Score

    Ranked #15 because of its Google rating and service focus: 5.0★ from 5 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 5 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    6300 Enterprise Ln, Madison, WI 53719
    View profile for Tech Madison(608) 616-5674

  22. #22 TeamLogic IT

    Based in Madison, 5 mi away

    52/100IFR Score

    Ranked #22 because of its Google rating and review volume: 4.9★ from 33 Google reviews.

    • 4.9★ from 33 Google reviews
    Hours
    Mon–Fri 8 AM–5 PM · Sat–Sun closed
    Address
    2801 Crossroads Dr Ste 1900, Madison, WI 53718
    View profile for TeamLogic IT(608) 504-2700

  25. #25 Geeks on Site

    Based in Madison, 13 mi away

    51/100IFR Score

    Ranked #25 because of its Google rating and service focus: 4.3★ from 9 Google reviews, listed on Google as “Computer repair service”.

    • 4.3★ from 9 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    View profile for Geeks on Site(608) 237-6326

How we ranked Sun Prairie IT consultants

We scored 57 Sun Prairie 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 Sun Prairie 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 Sun Prairie: frequently asked questions

Who is the best IT consultant in Sun Prairie?

By IFR Score, the highest-ranked IT consultant in Sun Prairie, WI is PDS, A Converge Company with an IFR Score of 63/100. It has 4.7★ from 22 Google reviews. It is open 7 days a week. Inter-Quest (#2) and VC3 (formerly Aberdean Consulting LLC) (#3) follow. We ranked 57 IT consultants on nine factors, last updated November 9, 2026.

How many IT consultants are there in Sun Prairie?

ITFirmsRanked ranks 57 IT consultants serving Sun Prairie, WI. Counts are as of November 2026.

Which IT consultants in Sun Prairie work on weekends?

13 of 57 ranked IT consultants post Saturday hours and 7 post Sunday hours. The highest-ranked open Saturdays are PDS, A Converge Company (#1), BadgerLayer (#8) and Pete the Computer Geek (#10). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Sun Prairie IT consultants have?

The median Google rating among 57 rated IT consultants in Sun Prairie is 4.9★, with a median of 16 reviews. Remachines has the most, 237 reviews, and ranks #7. 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 Sun Prairie count in this ranking?

Yes, if they are within 50 mi of the Sun Prairie 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 Sun Prairie 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 Sun Prairie

  1. November 2026: IFR Scores recalculated for 57 IT consultants serving Sun Prairie.

More IT consultants and Sun Prairie pages