60/100IFR Score
Ranked #1 because of its Google rating and service focus: 4.8★ from 23 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Best IT Consultants in Sunnyvale, CA (2026)
281 IT consultants ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Sunnyvale: offthegridit, IFR Score 60/100; 4.8★ from 23 Google reviews; open 7 days a week.
- 4
Most-reviewed: Central Computers, 698 Google reviews at 4.4★, the most of 281 ranked; ranked #4.
Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank
281 Sunnyvale IT consultants are ranked here by IFR Score, from nine published factors. 95 open Saturdays and 68 open Sundays, based on posted hours. The median Google rating is 4.9★ across 281 rated IT firms.
Most of this list also appears on the IT consultants in San Jose ranking. See IT consultants in San Jose
Top 10 IT consultants in Sunnyvale 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 | offthegridit | 60 | 4.8★ (23) | San Jose, 6 mi away | Sat · Sun | Overall |
| 2 | 42, Inc. | 60 | 5.0★ (54) | Berkeley, 37 mi away | Sat · Sun · Evenings | — |
| 3 | Central Computers | 59 | 4.5★ (506) | Sunnyvale | Sat · Sun | — |
| 4 | Central Computers | 59 | 4.4★ (698) | Santa Clara, 5 mi away | Sat · Sun | Most reviews |
| 5 | Techloop Electronics Repair and Sales ( iPhone, iPad, Mac, PC Repair and Sales) | 58 | 4.8★ (326) | Menlo Park, 10 mi away | Sat · Sun | — |
| 6 | Sustainable Computing | 58 | 5.0★ (87) | Alameda, 37 mi away | — | — |
| 7 | AsKevin Silicon Valley | 57 | 5.0★ (161) | Alum Rock, 9 mi away | Sat · Sun · Evenings | — |
| 8 | Network Remedy - IT Support, IT Security & Managed IT Services | 57 | 5.0★ (78) | Santa Clara, 5 mi away | Sat · Sun · Evenings | — |
| 9 | Telosa Software Inc | 57 | 5.0★ (3) | Palo Alto, 9 mi away | Sat · Sun · Evenings | — |
| 10 | Ralph Doore Consulting | 57 | 4.9★ (21) | Noe Valley, 37 mi away | Sat · Sun · Evenings | — |
The 281 best IT consultants in Sunnyvale, 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.
#2 42, Inc.
Based in Berkeley, 37 mi away
60/100IFR ScoreRanked #2 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.
Based in Sunnyvale
59/100IFR ScoreRanked #3 because of its Google rating and review volume: 4.5★ from 506 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Santa Clara, 5 mi away
59/100IFR ScoreRanked #4 because of its Google rating and review volume: 4.4★ from 698 Google reviews, the most in Sunnyvale.
Based on 8 of 9 factors; recency not yet collected.
Based in Menlo Park, 10 mi away
58/100IFR ScoreRanked #5 because of its Google rating and review volume: 4.8★ from 326 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Alameda, 37 mi away
58/100IFR ScoreRanked #6 because of its Google rating and service focus: 5.0★ from 87 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Based in Alum Rock, 9 mi away
57/100IFR ScoreRanked #7 because of its Google rating and review volume: 5.0★ from 161 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Santa Clara, 5 mi away
57/100IFR ScoreRanked #8 because of its Google rating and review volume: 5.0★ from 78 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Palo Alto, 9 mi away
57/100IFR ScoreRanked #9 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.
Based in Noe Valley, 37 mi away
57/100IFR ScoreRanked #10 because of its Google rating and service focus: 4.9★ from 21 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Based in Santa Clara, 5 mi away
57/100IFR ScoreRanked #11 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.
#12 QTS Santa Clara
Based in Santa Clara, 4 mi away
56/100IFR ScoreRanked #12 because of its Google rating and service focus: 4.6★ from 19 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
#13 Wizdom On Wheels
Based in Union City, 8 mi away
56/100IFR ScoreRanked #13 because of its Google rating and service focus: 5.0★ from 19 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
#14 Ophtek
Based in San Jose, 17 mi away
56/100IFR ScoreRanked #14 because of its Google rating and service focus: 5.0★ from 24 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
#15 TechAtAnyAge.com
Based in Fremont, 4 mi away
56/100IFR ScoreRanked #15 because of its Google rating and review volume: 5.0★ from 50 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in San Jose, 6 mi away
56/100IFR ScoreRanked #16 because of its Google rating and service focus: 5.0★ from 16 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
#17 DeParts Systems
Based in Alameda, 30 mi away
56/100IFR ScoreRanked #17 because of its Google rating and review volume: 5.0★ from 126 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in San Francisco, 35 mi away
56/100IFR ScoreRanked #18 because of its Google rating and review volume: 4.9★ from 299 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Campbell, 9 mi away
56/100IFR ScoreRanked #19 because of its Google rating and service focus: 4.7★ from 16 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
#20 TruAdvantage
Based in San Jose, 6 mi away
56/100IFR ScoreRanked #20 because of its Google rating and review volume: 5.0★ from 236 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
#21 GSDSolutions
Based in Mountain View, 3 mi away
56/100IFR ScoreRanked #21 because of its Google rating and review volume: 5.0★ from 42 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
#22 cyberCSI, Inc.
Based in Santa Clara, 4 mi away
56/100IFR ScoreRanked #22 because of its Google rating and service focus: 4.7★ from 13 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Based in Oakland, 33 mi away
55/100IFR ScoreRanked #23 because of its Google rating and review volume: 4.9★ from 143 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Santa Clara, 4 mi away
55/100IFR ScoreRanked #24 because of its Google rating and service focus: 3.0★ from 4 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
#25 Guardnet
Based in San Jose, 8 mi away
55/100IFR ScoreRanked #25 because of its Google rating and service focus: 5.0★ from 5 Google reviews, listed on Google as “Computer consultant”.
Based on 7 of 9 factors; recency and availability not yet collected.
How we ranked Sunnyvale IT consultants
We scored 281 Sunnyvale 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 Sunnyvale 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 Sunnyvale: frequently asked questions
Who is the best IT consultant in Sunnyvale?
By IFR Score, the highest-ranked IT consultant in Sunnyvale, CA is offthegridit with an IFR Score of 60/100. It has 4.8★ from 23 Google reviews. It is open 7 days a week. 42, Inc. (#2) and Central Computers (#3) follow. We ranked 281 IT consultants on nine factors, last updated November 9, 2026.
How many IT consultants are there in Sunnyvale?
ITFirmsRanked ranks 281 IT consultants serving Sunnyvale, CA. 1 of them is based in Sunnyvale; the rest serve it from nearby towns. Counts are as of November 2026.
Which IT consultants in Sunnyvale work on weekends?
95 of 281 ranked IT consultants post Saturday hours and 68 post Sunday hours. The highest-ranked open Saturdays are offthegridit (#1), 42, Inc. (#2) and Central Computers (#3). Posted hours are office hours; many firms also run an after-hours support line for contract clients.
What Google rating do Sunnyvale IT consultants have?
The median Google rating among 281 rated IT consultants in Sunnyvale is 4.9★, with a median of 12 reviews. Central Computers has the most, 698 reviews, and ranks #4. 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 Sunnyvale count in this ranking?
Yes, if they are within 50 mi of the Sunnyvale 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 Sunnyvale 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 Sunnyvale
- November 2026: IFR Scores recalculated for 281 IT consultants serving Sunnyvale.
- November 2026: 5 duplicate listings merged.
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