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Best IT Consultants in Los Altos, CA (2026)

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

The short answer

  1. 1

    Best overall in Los Altos: 42, Inc., IFR Score 60/100; 5.0★ from 54 Google reviews; open 7 days a week.

  2. 4

    Most-reviewed: Central Computers, 698 Google reviews at 4.4★, the most of 284 ranked; ranked #4.

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

284 Los Altos IT consultants are ranked here by IFR Score, from nine published factors. 96 open Saturdays and 68 open Sundays, based on posted hours. The median Google rating is 4.9★ across 284 rated IT firms.

Top 10 IT consultants in Los Altos at a glance

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

Top 10 IT consultants in Los Altos at a glance
RankBusinessIFR ScoreGoogle ratingBased inHoursBest for
142, Inc.605.0★ (54)Berkeley, 35 mi awaySat · Sun · EveningsOverall
2offthegridit604.8★ (23)San Jose, 11 mi awaySat · Sun—
3Techloop Electronics Repair and Sales ( iPhone, iPad, Mac, PC Repair and Sales)594.8★ (326)Menlo Park, 6 mi awaySat · Sun—
4Central Computers584.4★ (698)Santa Clara, 9 mi awaySat · SunMost reviews
5Central Computers584.5★ (506)Sunnyvale, 7 mi awaySat · Sun—
6Sustainable Computing585.0★ (87)Alameda, 35 mi away——
7Telosa Software Inc575.0★ (3)Palo Alto, 5 mi awaySat · Sun · Evenings—
8Ralph Doore Consulting574.9★ (21)Noe Valley, 33 mi awaySat · Sun · Evenings—
9AsKevin Silicon Valley575.0★ (161)Alum Rock, 13 mi awaySat · Sun · Evenings—
10Wizdom On Wheels575.0★ (19)Union City, 5 mi away——

The 284 best IT consultants in Los Altos, 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.

  1. Ranked #1 in Los Altos

    Based in Berkeley, 35 mi away

    60/100IFR Score

    Ranked #1 because of its Google rating and service focus: 5.0★ from 54 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 54 Google reviews
    Hours
    Mon–Sun 7 AM–7 PM
    Address
    2150 Allston Way #300, Berkeley, CA 94704
  2. Based in San Jose, 11 mi away

    60/100IFR Score

    Ranked #2 because of its Google rating and service focus: 4.8★ from 23 Google reviews, listed on Google as “Computer consultant”.

    • 4.8★ from 23 Google reviews
    Hours
    Mon–Sun 9 AM–6 PM
    Address
    2050 Gateway Pl #100-141, San Jose, CA 95110
  3. Based in Santa Clara, 9 mi away

    58/100IFR Score

    Ranked #4 because of its Google rating and review volume: 4.4★ from 698 Google reviews, the most in Los Altos.

    • 4.4★ from 698 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat–Sun 11 AM–5 PM
    Address
    3777 Stevens Creek Blvd, Santa Clara, CA 95051
  4. Based in Sunnyvale, 7 mi away

    58/100IFR Score

    Ranked #5 because of its Google rating and review volume: 4.5★ from 506 Google reviews.

    • 4.5★ from 506 Google reviews
    Hours
    Mon–Fri 10 AM–6 PM · Sat–Sun 11 AM–5 PM
    Address
    510 Lawrence Expy Ste 106-107, Sunnyvale, CA 94085
  5. Based in Alameda, 35 mi away

    58/100IFR Score

    Ranked #6 because of its Google rating and service focus: 5.0★ from 87 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 87 Google reviews
    Hours
    Mon–Tue 10 AM–5 PM · Wed 10:30 AM–5 PM · Thu–Fri 10 AM–5 PM · Sat–Sun closed
  6. Based in Palo Alto, 5 mi away

    57/100IFR Score

    Ranked #7 because of its Google rating and service focus: 5.0★ from 3 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 3 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    610 Cowper St, Palo Alto, CA 94301
  7. Based in Union City, 5 mi away

    57/100IFR Score

    Ranked #10 because of its Google rating and service focus: 5.0★ from 19 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 19 Google reviews
    Hours
    Mon–Fri 11 AM–6 PM · Sat–Sun closed
  8. Based in Santa Clara, 10 mi away

    56/100IFR Score

    Ranked #12 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 8 AM–6 PM · Sat 9 AM–3 PM · Sun 10 AM–3 PM
    Address
    3160 De La Cruz Blvd #106, Santa Clara, CA 95054
  9. Based in Santa Clara, 8 mi away

    56/100IFR Score

    Ranked #15 because of its Google rating and service focus: 4.6★ from 19 Google reviews, listed on Google as “Computer consultant”.

    • 4.6★ from 19 Google reviews
    Hours
    Mon–Fri 9 AM–5 PM · Sat–Sun closed
    Address
    2805 Mission College Blvd, Santa Clara, CA 95054
  10. Based in Mountain View, 2 mi away

    56/100IFR Score

    Ranked #16 because of its Google rating and review volume: 5.0★ from 42 Google reviews.

    • 5.0★ from 42 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    650 Castro St, Mountain View, CA 94041
  11. #18 Ophtek

    Based in San Jose, 22 mi away

    56/100IFR Score

    Ranked #18 because of its Google rating and service focus: 5.0★ from 24 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 24 Google reviews
    Hours
    Mon–Fri 9 AM–6 PM · Sat–Sun closed
    Address
    175 Bernal Rd #252, San Jose, CA 95119
  12. Based in San Francisco, 32 mi away

    56/100IFR Score

    Ranked #19 because of its Google rating and service focus: 5.0★ from 6 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Sun 12 AM–12 AM
    Address
    95 3rd St 2nd Floor, San Francisco, CA 94103
  13. Based in San Francisco, 33 mi away

    55/100IFR Score

    Ranked #22 because of its Google rating and service focus: 5.0★ from 32 Google reviews, listed on Google as “Computer consultant”.

    • 5.0★ from 32 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    1160 Battery St suite 100, San Francisco, CA 94111
  14. Based in San Jose, 10 mi away

    55/100IFR Score

    Ranked #25 because of its Google rating and review volume: 5.0★ from 236 Google reviews.

    • 5.0★ from 236 Google reviews
    Hours
    Mon–Fri 8:30 AM–5:30 PM · Sat–Sun closed
    Address
    Plaza West, 3031 Tisch Way Suite 110, #1079, San Jose, CA 95128

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

IT consultants in Los Altos, ranks 26 to 50
RankBusinessIFR ScoreGoogle ratingDistance
26Great American Computer553.0★ (4)8 mi
27Bravo IT Consulting554.8★ (6)12 mi
28cyberCSI, Inc.554.7★ (13)9 mi
29ClickAway Tech Repair & IT Services Campbell554.5★ (257)11 mi
30Guardnet555.0★ (5)12 mi
31ClickAway Tech Repair & IT Services Sunnyvale554.3★ (301)5 mi
32ZAG Technical Services554.6★ (12)10 mi
33Sysnatics IT Services555.0★ (5)24 mi
34Jones IT555.0★ (431)31 mi
35TELADATA Data Center & Workplace Technology Consultants555.0★ (5)14 mi
36CSS Corporation545.0★ (4)11 mi
37Intelligent Technical Solutions | ITS545.0★ (104)38 mi
38LevelUp MSP - Managed IT Services San Jose544.9★ (42)12 mi
39ClickAway Tech Repair & IT Services Almaden544.6★ (248)17 mi
40InterVision Systems Technologies Inc.544.8★ (10)11 mi
41Pro-2-Call Network Consulting545.0★ (13)13 mi
42Barracuda Networks543.2★ (12)19 mi
43Fiji IT Solutions544.8★ (26)2 mi
44Miyagi Space545.0★ (6)5 mi
45Mike’s Tech Solutions545.0★ (7)32 mi
46WebDispatch544.9★ (19)28 mi
47Renascence IT Consulting, Inc.545.0★ (43)11 mi
48Mirapath545.0★ (6)6 mi
49Questivity544.2★ (9)9 mi
50Cloud Conduction545.0★ (3)34 mi

Also serving Los Altos

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 Los Altos
BusinessGoogle ratingDistance
CommercenetIn Los Altos
DCM Data Systems3.0★ (2)14 mi
DominoComp5.0★ (2)12 mi
GeeksCall2.5★ (2)14 mi
Infobond Inc5.0★ (2)13 mi
KalioTek2.5★ (2)9 mi
Los Altos PC1.0★ (2)In Los Altos
MetaBIM, Inc.3.0★ (2)13 mi
Myers Network Solutions5.0★ (2)11 mi
nDataStor - San Jose5.0★ (2)10 mi
Palo Alto PC4.0★ (2)13 mi
Pink Computer And IT services4.8★ (26)In Los Altos
RITSNET5.0★ (2)12 mi
Single-Sourcing Solutions, Inc.4.0★ (2)6 mi
Skyline Advanced Technology Services5.0★ (2)11 mi
ThirdEye Data3.0★ (2)13 mi
Tru Technical Partners Inc.5.0★ (2)11 mi
USWired: IT Support & IT Services in San Jose & San Francisco Bay Area4.5★ (2)11 mi
WesternDigiDC3.5★ (2)11 mi
Zebra Technologies Corporation3.5★ (2)10 mi

How we ranked Los Altos IT consultants

We scored 284 Los Altos 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 Los Altos 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 Los Altos: frequently asked questions

Who is the best IT consultant in Los Altos?

By IFR Score, the highest-ranked IT consultant in Los Altos, CA is 42, Inc. with an IFR Score of 60/100. It has 5.0★ from 54 Google reviews. It is open 7 days a week. offthegridit (#2) and Techloop Electronics Repair and Sales ( iPhone, iPad, Mac, PC Repair and Sales) (#3) follow. We ranked 284 IT consultants on nine factors, last updated November 9, 2026.

How many IT consultants are there in Los Altos?

ITFirmsRanked ranks 284 IT consultants serving Los Altos, CA. Another 20 within 50 mi are listed but not ranked yet. Counts are as of November 2026.

Which IT consultants in Los Altos work on weekends?

96 of 284 ranked IT consultants post Saturday hours and 68 post Sunday hours. The highest-ranked open Saturdays are 42, Inc. (#1), offthegridit (#2) and Techloop Electronics Repair and Sales ( iPhone, iPad, Mac, PC Repair and Sales) (#3). Posted hours are office hours; many firms also run an after-hours support line for contract clients.

What Google rating do Los Altos IT consultants have?

The median Google rating among 284 rated IT consultants in Los Altos 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 Los Altos count in this ranking?

Yes, if they are within 50 mi of the Los Altos 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 Los Altos 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 Los Altos

  1. November 2026: IFR Scores recalculated for 284 IT consultants serving Los Altos.
  2. November 2026: 5 duplicate listings merged.