61/100IFR Score
Ranked #1 because of its Google rating and service focus: 4.9★ from 51 Google reviews, listed on Google as “Computer consultant”.
Best IT Consultants in Janesville, WI (2026)
106 IT consultants ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Janesville: The Computer Center, IFR Score 61/100; 4.9★ from 51 Google reviews.
- 10
Most-reviewed: Cellphone PC Fix (Repair, Buy, Sell and Trade), 436 Google reviews at 4.5★, the most of 106 ranked; ranked #10.
Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank
106 Janesville IT consultants are ranked here by IFR Score, from nine published factors. 27 open Saturdays and 16 open Sundays, based on posted hours. The median Google rating is 4.9★ across 106 rated IT firms.
Top 10 IT consultants in Janesville at a glance
Ranked by IFR Score from public data. Sponsored placements are labelled and never change the order.
| Rank | Business | IFR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | The Computer Center | 61 | 4.9★ (51) | Janesville | — | Overall |
| 2 | PDS, A Converge Company | 59 | 4.7★ (22) | Madison, 33 mi away | Sat · Sun · Evenings | — |
| 3 | VC3 (formerly Aberdean Consulting LLC) | 58 | 5.0★ (68) | Madison, 34 mi away | — | — |
| 4 | Adesys | 57 | 5.0★ (37) | Fitchburg, 31 mi away | — | — |
| 5 | Mastermind Computer Technologies | 56 | 4.3★ (3) | Janesville | Sat · Sun · Evenings | — |
| 6 | BadgerLayer | 56 | 5.0★ (68) | Whitewater, 18 mi away | Sat · Sun · Evenings | — |
| 7 | Applied Tech | 56 | 4.6★ (43) | Madison, 37 mi away | — | — |
| 8 | DirectNetworks, Inc. | 55 | 5.0★ (23) | Madison, 31 mi away | — | — |
| 9 | Superior Technologies | 55 | 5.0★ (102) | Janesville | — | — |
| 10 | Cellphone PC Fix (Repair, Buy, Sell and Trade) | 54 | 4.5★ (436) | Algonquin, 49 mi away | Sat · Sun · Evenings | Most reviews |
The 106 best IT consultants in Janesville, 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.
Based in Madison, 33 mi away
59/100IFR ScoreRanked #2 because of its Google rating and service focus: 4.7★ from 22 Google reviews, listed on Google as “Computer consultant”.
Based in Madison, 34 mi away
58/100IFR ScoreRanked #3 because of its Google rating and service focus: 5.0★ from 68 Google reviews, listed on Google as “Computer consultant”.
#4 Adesys
Based in Fitchburg, 31 mi away
57/100IFR ScoreRanked #4 because of its Google rating and service focus: 5.0★ from 37 Google reviews, listed on Google as “Computer consultant”.
Based in Janesville
56/100IFR ScoreRanked #5 because of its Google rating and service focus: 4.3★ from 3 Google reviews, listed on Google as “Computer consultant”.
#6 BadgerLayer
Based in Whitewater, 18 mi away
56/100IFR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 68 Google reviews.
#7 Applied Tech
Based in Madison, 37 mi away
56/100IFR ScoreRanked #7 because of its Google rating and service focus: 4.6★ from 43 Google reviews, listed on Google as “Computer consultant”.
Based in Madison, 31 mi away
55/100IFR ScoreRanked #8 because of its Google rating and service focus: 5.0★ from 23 Google reviews, listed on Google as “Computer consultant”.
Based in Janesville
55/100IFR ScoreRanked #9 because of its Google rating and review volume: 5.0★ from 102 Google reviews.
Based in Algonquin, 49 mi away
54/100IFR ScoreRanked #10 because of its Google rating and review volume: 4.5★ from 436 Google reviews, the most in Janesville.
Based in Beloit, 9 mi away
54/100IFR ScoreRanked #11 because of its Google rating and review volume: 4.8★ from 93 Google reviews.
Based in Janesville
54/100IFR ScoreRanked #12 because of its Google rating and service focus: 5.0★ from 4 Google reviews, listed on Google as “Computer consultant”.
#13 LeadingIT
Based in Woodstock, 39 mi away
54/100IFR ScoreRanked #13 because of its Google rating and review volume: 4.9★ from 75 Google reviews.
Based in Oconomowoc, 42 mi away
53/100IFR ScoreRanked #14 because of its Google rating and review volume: 5.0★ from 65 Google reviews.
#15 Remachines
Based in Madison, 34 mi away
53/100IFR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 237 Google reviews.
Based in Machesney Park, 23 mi away
53/100IFR ScoreRanked #16 because of its Google rating and service focus: 3.2★ from 13 Google reviews, listed on Google as “Computer consultant”.
Based in Madison, 30 mi away
53/100IFR ScoreRanked #17 because of its Google rating and service focus: 4.6★ from 9 Google reviews, listed on Google as “Computer consultant”.
#18 Integrity IT
Based in Crystal Lake, 47 mi away
52/100IFR ScoreRanked #18 because of its Google rating and service focus: 5.0★ from 14 Google reviews, listed on Google as “Computer consultant”.
Based in McHenry, 45 mi away
52/100IFR ScoreRanked #19 because of its Google rating and service focus: 4.6★ from 15 Google reviews, listed on Google as “Computer consultant”.
Based in Waukesha, 49 mi away
52/100IFR ScoreRanked #20 because of its Google rating and service focus: 5.0★ from 15 Google reviews, listed on Google as “Computer consultant”.
Based in Rockford, 29 mi away
52/100IFR ScoreRanked #21 because of its Google rating and review volume: 5.0★ from 24 Google reviews.
Based in Waukesha, 49 mi away
52/100IFR ScoreRanked #22 because of its Google rating and service focus: 4.8★ from 13 Google reviews, listed on Google as “Computer consultant”.
Based in Woodstock, 41 mi away
51/100IFR ScoreRanked #23 because of its Google rating and service focus: 5.0★ from 8 Google reviews, listed on Google as “Computer consultant”.
#24 TechJoy
Based in Muskego, 43 mi away
51/100IFR ScoreRanked #24 because of its Google rating and service focus: 5.0★ from 8 Google reviews, listed on Google as “Computer consultant”.
Based in Waukesha, 45 mi away
51/100IFR ScoreRanked #25 because of its Google rating and service focus: 4.6★ from 10 Google reviews, listed on Google as “Computer consultant”.
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 106 ranked IT consultants here; the rest are on their profiles.
Also serving Janesville
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.
| Business | Google rating | Distance |
|---|---|---|
| Advanced Computer Systems, Inc. | 4.5★ (2) | In Janesville |
| Bacher Computer Solutions Inc | 3.5★ (2) | 48 mi |
| Bridgeworks LLC | 5.0★ (2) | 30 mi |
| Computer & Networking Solutions | 5.0★ (2) | 30 mi |
| Computer Concepts | 5.0★ (1) | 13 mi |
| Creative Computer Concepts | In Janesville | |
| DTC Networks LLC | 5.0★ (3) | In Janesville |
| Enterprise Solutions Tech Inc | 5.0★ (2) | 33 mi |
| I-T First, Inc. | 5.0★ (1) | 23 mi |
| Ignatek | 5.0★ (14) | In Janesville |
| Interfuse LLC. | 5.0★ (2) | 39 mi |
| Jensen Accounting & Consltng | In Janesville | |
| Phoenix Consulting | 3.0★ (2) | 34 mi |
| Red Moon Computers, L. L. C. | 5.0★ (22) | In Janesville |
| River Valley Technologies | 5.0★ (1) | 19 mi |
| Rockford PC Help | 5.0★ (2) | 22 mi |
| Stony Creek Consulting, LLC | 1.0★ (2) | 50 mi |
| The Tech Grandson | 5.0★ (2) | 38 mi |
| Ti2 Agency, Inc (Technical Investigation and Intelligence) TSCM | 4.9★ (46) | In Janesville |
| Twin Raven Studios, Inc. | 5.0★ (2) | 41 mi |
How we ranked Janesville IT consultants
We scored 106 Janesville 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.
| Factor | Weight | Computed from | In Janesville data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Review volume | 15% | Number of Google reviews, compared with the most-reviewed IT firm on the list | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday and 24/7 support | Measured |
| Service focus | 15% | How clearly the firm does this service (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The firm has claimed its IT Firms Ranked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The firm links to IT Firms Ranked from its own website with our badge, checked periodically | Measured |
| Client reviews | 10% | Verified client reviews collected by IT Firms Ranked: their rating and how many there are | Measured |
How to choose an IT consultant
- Ask whether the consultant earns commissions or referral fees on products they recommend.
- Check experience with projects like yours, and ask for a sample deliverable.
- Agree the deliverables, timeline and price for each phase before work starts.
- Ask for two or three references from clients of your size and industry, and call them.
- 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 Janesville: frequently asked questions
Who is the best IT consultant in Janesville?
By IFR Score, the highest-ranked IT consultant in Janesville, WI is The Computer Center with an IFR Score of 61/100. It has 4.9★ from 51 Google reviews. PDS, A Converge Company (#2) and VC3 (formerly Aberdean Consulting LLC) (#3) follow. We ranked 106 IT consultants on nine factors, last updated November 9, 2026.
How many IT consultants are there in Janesville?
ITFirmsRanked ranks 106 IT consultants serving Janesville, WI. 6 of them are based in Janesville; 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 Janesville work on weekends?
27 of 106 ranked IT consultants post Saturday hours and 16 post Sunday hours. The highest-ranked open Saturdays are PDS, A Converge Company (#2), Mastermind Computer Technologies (#5) and BadgerLayer (#6). Posted hours are office hours; many firms also run an after-hours support line for contract clients.
What Google rating do Janesville IT consultants have?
The median Google rating among 106 rated IT consultants in Janesville is 4.9★, with a median of 13 reviews. Cellphone PC Fix (Repair, Buy, Sell and Trade) has the most, 436 reviews, and ranks #10. 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 Janesville count in this ranking?
Yes, if they are within 50 mi of the Janesville 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 Janesville 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 Janesville
- November 2026: IFR Scores recalculated for 106 IT consultants serving Janesville.
More IT consultants and Janesville pages
IT consultants near Janesville
- IT consultants in Beloit, WI106 ranked
- IT consultants in Whitewater, WI177 ranked
- IT consultants in Stoughton, WI69 ranked
- IT consultants in Fort Atkinson, WI149 ranked
- IT consultants in Oregon, WI62 ranked
- IT consultants in Fitchburg, WI53 ranked
- IT consultants in Monroe, WI59 ranked
- IT consultants in Madison, WI52 ranked
- IT consultants in Verona, WI48 ranked
- IT consultants in Sun Prairie, WI57 ranked
Other services in Janesville
- Managed IT service providers in Janesville109 ranked
- Cybersecurity companies in Janesville204 ranked
- Network cabling and installation companies in Janesville34 ranked
- Business phone system providers in Janesville36 ranked
- Data recovery services in Janesville29 ranked
- Computer repair shops in Janesville21 ranked
- All IT providers in Janesville