59/100IFR Score
Ranked #1 because of its Google rating and service focus: 5.0★ from 22 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Best IT Consultants in Windsor, CA (2026)
58 IT consultants ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Windsor: Option Click Consulting, IFR Score 59/100; 5.0★ from 22 Google reviews; open 7 days a week.
- 21
Most-reviewed: Tech 2U Computer Repair, 355 Google reviews at 4.9★, the most of 58 ranked; ranked #21.
Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank
58 Windsor IT consultants are ranked here by IFR Score, from nine published factors. 14 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 5.0★ across 58 rated IT firms.
Top 10 IT consultants in Windsor 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 | Option Click Consulting | 59 | 5.0★ (22) | Larkspur, 33 mi away | Sat · Sun · Evenings | Overall |
| 2 | Portola Systems Inc | 57 | 4.6★ (9) | Santa Rosa, 11 mi away | — | — |
| 3 | My Cell Repair - phones, computers and tech | 57 | 4.9★ (321) | Rohnert Park, 15 mi away | — | — |
| 4 | TeamLogic IT North Bay of San Francisco | 56 | 5.0★ (44) | Santa Rosa, 10 mi away | Sat · Sun · Evenings | — |
| 5 | Nerds - Sebastopol (HQ) | 56 | 4.9★ (234) | Santa Rosa, 11 mi away | — | — |
| 6 | Fusion Technology Solutions LLC | 56 | 4.2★ (11) | Healdsburg, 6 mi away | — | — |
| 7 | David Mercer Consulting, Inc | 56 | 4.9★ (16) | Napa, 21 mi away | — | — |
| 8 | Computer Engineering Group | 56 | 4.1★ (63) | Napa, 36 mi away | — | — |
| 9 | The Marin Tech | 55 | 5.0★ (29) | San Rafael, 40 mi away | — | — |
| 10 | CLEAR Technology | 55 | 5.0★ (123) | Alameda, 38 mi away | Sat · Sun | — |
The 58 best IT consultants in Windsor, 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.
Based in Santa Rosa, 11 mi away
57/100IFR ScoreRanked #2 because of its Google rating and service focus: 4.6★ from 9 Google reviews, listed on Google as “Computer consultant”.
Based on 7 of 9 factors; recency and availability not yet collected.
Based in Rohnert Park, 15 mi away
57/100IFR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 321 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Santa Rosa, 10 mi away
56/100IFR ScoreRanked #4 because of its Google rating and review volume: 5.0★ from 44 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Santa Rosa, 11 mi away
56/100IFR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 234 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Healdsburg, 6 mi away
56/100IFR ScoreRanked #6 because of its Google rating and service focus: 4.2★ from 11 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Based in Napa, 21 mi away
56/100IFR ScoreRanked #7 because of its Google rating and service focus: 4.9★ from 16 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Based in Napa, 36 mi away
56/100IFR ScoreRanked #8 because of its Google rating and service focus: 4.1★ from 63 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Based in San Rafael, 40 mi away
55/100IFR ScoreRanked #9 because of its Google rating and service focus: 5.0★ from 29 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
#10 CLEAR Technology
Based in Alameda, 38 mi away
55/100IFR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 123 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Petaluma, 14 mi away
55/100IFR ScoreRanked #11 because of its Google rating and service focus: 5.0★ from 9 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Based in Santa Rosa, 6 mi away
54/100IFR ScoreRanked #12 because of its Google rating and service focus: 5.0★ from 5 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
#13 Zbynet
Based in San Rafael, 43 mi away
54/100IFR ScoreRanked #13 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.
Based in Santa Rosa, 7 mi away
54/100IFR ScoreRanked #14 because of its Google rating and review volume: 4.5★ from 156 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Rohnert Park, 17 mi away
54/100IFR ScoreRanked #15 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.
Based in Santa Rosa, 8 mi away
54/100IFR ScoreRanked #16 because of its Google rating and service focus: 5.0★ from 4 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Based in Sonoma, 20 mi away
53/100IFR ScoreRanked #17 because of its Google rating and review volume: 5.0★ from 39 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
#18 KLH Consulting
Based in Santa Rosa, 12 mi away
53/100IFR ScoreRanked #18 because of its Google rating and service focus: 3.0★ from 7 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Based in Santa Rosa, 9 mi away
53/100IFR ScoreRanked #19 because of its Google rating and service focus: 5.0★ from 23 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
#20 Nerd Crossing
Based in Benicia, 50 mi away
53/100IFR ScoreRanked #20 because of its Google rating and service focus: 4.4★ from 25 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Based in Vacaville, 48 mi away
53/100IFR ScoreRanked #21 because of its Google rating and review volume: 4.9★ from 355 Google reviews, the most in Windsor.
Based on 8 of 9 factors; recency not yet collected.
#22 Green It
Based in Sonoma, 26 mi away
53/100IFR ScoreRanked #22 because of its Google rating and service focus: 5.0★ from 3 Google reviews, listed on Google as “Computer consultant”.
Based on 7 of 9 factors; recency and availability not yet collected.
Based in Santa Rosa, 5 mi away
53/100IFR ScoreRanked #23 because of its Google rating and review volume: 5.0★ from 50 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
#24 Creative Goose
Based in San Rafael, 34 mi away
52/100IFR ScoreRanked #24 because of its Google rating and service focus: 5.0★ from 7 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Based in Larkspur, 33 mi away
52/100IFR ScoreRanked #25 because of its Google rating and service focus: 5.0★ from 7 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
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 58 ranked IT consultants here; the rest are on their profiles.
Also serving Windsor
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 |
|---|---|---|
| Appleseed Consulting Inc. | 5.0★ (1) | 24 mi |
| Backoffice Technology Group | 3.5★ (2) | 15 mi |
| CoEntropy | 5.0★ (1) | 11 mi |
| Computers of Marin | 5.0★ (2) | 40 mi |
| Connected Systems | 5.0★ (2) | 47 mi |
| Connections IT Inc | 5.0★ (1) | 15 mi |
| Craft Technology Solutions | 5.0★ (2) | 14 mi |
| INTERACTIVE21 COMPUTER CUSTOMIZING & SERVICING | In Windsor | |
| IT SystemWorks | 5.0★ (2) | 38 mi |
| JW Technology | 5.0★ (2) | 47 mi |
| Muffin Consulting By Oakgrounds | 4.0★ (2) | 38 mi |
| Nieto IT Solutions | In Windsor | |
| Norcal Networks, Inc. | 5.0★ (1) | 9 mi |
| PC Service Center - Business IT Support, Managed IT Services & Cybersecurity | 4.5★ (2) | 44 mi |
| Peppertree Technology Solutions | 5.0★ (5) | In Windsor |
| Rogue Hive LLC. | 5.0★ (2) | 41 mi |
| Scoja Technology Services -Residential and Business IT | 5.0★ (2) | 43 mi |
| Setup and Tutoring: Specializing in all things Apple | 5.0★ (2) | 44 mi |
| SoCo Wi-Fi | 5.0★ (2) | 22 mi |
| Wolfe Communication | 5.0★ (2) | 9 mi |
How we ranked Windsor IT consultants
We scored 58 Windsor 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 Windsor 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 Windsor: frequently asked questions
Who is the best IT consultant in Windsor?
By IFR Score, the highest-ranked IT consultant in Windsor, CA is Option Click Consulting with an IFR Score of 59/100. It has 5.0★ from 22 Google reviews. It is open 7 days a week. Portola Systems Inc (#2) and My Cell Repair - phones, computers and tech (#3) follow. We ranked 58 IT consultants on nine factors, last updated November 9, 2026.
How many IT consultants are there in Windsor?
ITFirmsRanked ranks 58 IT consultants serving Windsor, CA. Another 20 within 50 mi are listed but not ranked yet. Counts are as of November 2026.
Which IT consultants in Windsor work on weekends?
14 of 58 ranked IT consultants post Saturday hours and 9 post Sunday hours. The highest-ranked open Saturdays are Option Click Consulting (#1), TeamLogic IT North Bay of San Francisco (#4) and CLEAR Technology (#10). Posted hours are office hours; many firms also run an after-hours support line for contract clients.
What Google rating do Windsor IT consultants have?
The median Google rating among 58 rated IT consultants in Windsor is 5.0★, with a median of 12 reviews. Tech 2U Computer Repair has the most, 355 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 Windsor count in this ranking?
Yes, if they are within 50 mi of the Windsor 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 Windsor 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 Windsor
- November 2026: IFR Scores recalculated for 58 IT consultants serving Windsor.
More IT consultants and Windsor pages
IT consultants near Windsor
- IT consultants in Healdsburg, CA50 ranked
- IT consultants in Santa Rosa, CA133 ranked
- IT consultants in Rohnert Park, CA161 ranked
- IT consultants in Petaluma, CA184 ranked
- IT consultants in Sonoma, CA198 ranked
- IT consultants in Clearlake, CA35 ranked
- IT consultants in Novato, CA214 ranked
- IT consultants in Napa, CA238 ranked
- IT consultants in American Canyon, CA244 ranked
- IT consultants in San Anselmo, CA237 ranked
Other services in Windsor
- Managed IT service providers in Windsor67 ranked
- Cybersecurity companies in Windsor144 ranked
- Network cabling and installation companies in Windsor18 ranked
- Business phone system providers in Windsor32 ranked
- Data recovery services in Windsor32 ranked
- Computer repair shops in Windsor35 ranked
- All IT providers in Windsor