63/100IFR Score
Ranked #1 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.
Best IT Consultants in San Francisco, CA (2026)
303 IT consultants ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in San Francisco: 42, Inc., IFR Score 63/100; 5.0★ from 54 Google reviews; open 7 days a week.
- 30
Most-reviewed: Central Computers, 698 Google reviews at 4.4★, the most of 303 ranked; ranked #30.
Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank
303 San Francisco IT consultants are ranked here by IFR Score, from nine published factors. 96 open Saturdays and 71 open Sundays, based on posted hours. The median Google rating is 4.9★ across 303 rated IT firms.
Top 10 IT consultants in San Francisco 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 | 42, Inc. | 63 | 5.0★ (54) | Berkeley, 11 mi away | Sat · Sun · Evenings | Overall |
| 2 | Sustainable Computing | 61 | 5.0★ (87) | Alameda, 9 mi away | — | — |
| 3 | Ralph Doore Consulting | 60 | 4.9★ (21) | Noe Valley, 6 mi away | Sat · Sun · Evenings | — |
| 4 | People 1st IT Inc. LLC | 60 | 4.9★ (299) | San Francisco | Sat · Sun | — |
| 5 | Seashore IT | 59 | 5.0★ (6) | San Francisco | Sat · Sun · Evenings | — |
| 6 | BEARCloud, Inc | 59 | 5.0★ (32) | San Francisco | — | — |
| 7 | Intelligent Technical Solutions | ITS | 59 | 5.0★ (104) | San Francisco | Sat · Sun · Evenings | — |
| 8 | DeParts Systems | 58 | 5.0★ (126) | Alameda, 8 mi away | Sat · Sun · Evenings | — |
| 9 | PC Professional Managed IT Services | 58 | 4.9★ (143) | Oakland, 9 mi away | Sat · Sun · Evenings | — |
| 10 | Option Click Consulting | 58 | 5.0★ (22) | Larkspur, 27 mi away | Sat · Sun · Evenings | — |
The 303 best IT consultants in San Francisco, 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 Alameda, 9 mi away
61/100IFR ScoreRanked #2 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 Noe Valley, 6 mi away
60/100IFR ScoreRanked #3 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 San Francisco
60/100IFR ScoreRanked #4 because of its Google rating and review volume: 4.9★ from 299 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
#5 Seashore IT
Based in San Francisco
59/100IFR ScoreRanked #5 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 San Francisco
59/100IFR ScoreRanked #6 because of its Google rating and service focus: 5.0★ from 32 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Based in San Francisco
59/100IFR ScoreRanked #7 because of its Google rating and review volume: 5.0★ from 104 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Alameda, 8 mi away
58/100IFR ScoreRanked #8 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 Oakland, 9 mi away
58/100IFR ScoreRanked #9 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 Larkspur, 27 mi away
58/100IFR ScoreRanked #10 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.
#11 Jones IT
Based in San Francisco
58/100IFR ScoreRanked #11 because of its Google rating and review volume: 5.0★ from 431 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
#12 The Marin Tech
Based in San Rafael, 17 mi away
57/100IFR ScoreRanked #12 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.
#13 offthegridit
Based in San Jose, 39 mi away
57/100IFR ScoreRanked #13 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.
Based in Menlo Park, 26 mi away
57/100IFR ScoreRanked #14 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 San Francisco
56/100IFR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 54 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in San Bruno, 10 mi away
56/100IFR ScoreRanked #16 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.
#17 Zbynet
Based in San Rafael, 15 mi away
56/100IFR ScoreRanked #17 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.
#18 Cloud Conduction
Based in Auburn Hills, 14 mi away
56/100IFR ScoreRanked #18 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.
#19 KairosIT
Based in Santa Rosa, 7 mi away
56/100IFR ScoreRanked #19 because of its Google rating and service focus: 5.0★ from 12 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
#20 CLEAR Technology
Based in Alameda, 19 mi away
56/100IFR ScoreRanked #20 because of its Google rating and review volume: 5.0★ from 123 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
#21 Sydewayz Cafe
Based in Alameda, 10 mi away
56/100IFR ScoreRanked #21 because of its Google rating and service focus: 4.6★ from 17 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Based in Cherryland, 7 mi away
55/100IFR ScoreRanked #22 because of its Google rating and service focus: 5.0★ from 10 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
Based in San Francisco
55/100IFR ScoreRanked #23 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 San Francisco
55/100IFR ScoreRanked #24 because of its Google rating and review volume: 4.9★ from 79 Google reviews.
Based on 7 of 9 factors; recency and availability not yet collected.
Based in Sunnyvale, 36 mi away
55/100IFR ScoreRanked #25 because of its Google rating and review volume: 4.5★ from 506 Google reviews.
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 303 ranked IT consultants here; the rest are on their profiles.
| Rank | Business | IFR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | My Emergency Guy | 55 | 4.6★ (139) | 10 mi |
| 27 | Rivera service computer | 55 | 5.0★ (4) | In San Francisco |
| 28 | Telosa Software Inc | 55 | 5.0★ (3) | 27 mi |
| 29 | Solution Oriented Services of San Francisco, LLC | 55 | 5.0★ (45) | In San Francisco |
| 30 | Central Computers | 55 | 4.4★ (698) | 40 mi |
| 31 | Varsity Technologies | Managed IT Services & IT Consulting | 55 | 4.9★ (44) | In San Francisco |
| 32 | WebDispatch | 55 | 4.9★ (19) | 24 mi |
| 33 | Nerd Crossing | 55 | 4.4★ (25) | 24 mi |
| 34 | Grundig IT | 54 | 5.0★ (3) | 30 mi |
| 35 | Computer Engineering Group | 54 | 4.1★ (63) | 34 mi |
| 36 | Murphy, McKay & Associates, Inc. | 54 | 4.9★ (15) | 21 mi |
| 37 | Wizdom On Wheels | 54 | 5.0★ (19) | 27 mi |
| 38 | GTron | 54 | 4.5★ (129) | 14 mi |
| 39 | JimmyTech, LLC | 54 | 5.0★ (6) | 16 mi |
| 40 | Bravo IT Consulting | 54 | 4.8★ (6) | 21 mi |
| 41 | NetTempo, Inc. | 54 | 5.0★ (5) | In San Francisco |
| 42 | Netpace Inc | 54 | 4.4★ (8) | 25 mi |
| 43 | BAY AREA COMPUTER REPAIRS | 54 | 4.9★ (219) | 15 mi |
| 44 | TruAdvantage | 54 | 5.0★ (95) | In San Francisco |
| 45 | TechInSF Consulting | 54 | 5.0★ (19) | In San Francisco |
| 46 | Core Technologies Consulting, LLC | 54 | 5.0★ (3) | 13 mi |
| 47 | Bay Computing Group | 54 | 5.0★ (48) | 25 mi |
| 48 | Network Remedy - IT Support, IT Security & Managed IT Services | 54 | 5.0★ (78) | 38 mi |
| 49 | AsKevin Silicon Valley | 54 | 5.0★ (161) | 43 mi |
| 50 | Langtech Systems | 54 | 4.0★ (4) | In San Francisco |
Also serving San Francisco
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 |
|---|---|---|
| 2b1 Inc. | 3.0★ (2) | In San Francisco |
| Advanced Networks | Managed IT Services San Francisco | 5.0★ (27) | In San Francisco |
| Ameritech Computer Services Inc | 3.6★ (14) | In San Francisco |
| Castro Computer Services | 3.5★ (10) | In San Francisco |
| Demandforce | 4.5★ (441) | In San Francisco |
| Enterprise Horizon Consulting Group | 3.0★ (2) | In San Francisco |
| Ignition IT | 5.0★ (24) | In San Francisco |
| NCC Group | 5.0★ (3) | In San Francisco |
| Network Right | 5.0★ (32) | In San Francisco |
| Pacific Bell Telephone Company | 4.0★ (2) | In San Francisco |
| Parachute Technology Managed IT Services | 5.0★ (219) | In San Francisco |
| ProActive Network Consulting | 5.0★ (8) | In San Francisco |
| R L & Associates | 5.0★ (2) | In San Francisco |
| San Francisco Bay Computer Services | 4.8★ (164) | In San Francisco |
| Setup and Tutoring: Specializing in all things Apple | 5.0★ (2) | In San Francisco |
| SFHelp - Tech Support IT Services San Francisco | 5.0★ (1) | In San Francisco |
| TechWorks Inc | 5.0★ (1) | In San Francisco |
| TekLeap LLC | 5.0★ (1) | In San Francisco |
| VFIX Communications | 5.0★ (1) | In San Francisco |
| Xantrion | 4.9★ (61) | In San Francisco |
How we ranked San Francisco IT consultants
We scored 303 San Francisco 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 San Francisco 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 San Francisco: frequently asked questions
Who is the best IT consultant in San Francisco?
By IFR Score, the highest-ranked IT consultant in San Francisco, CA is 42, Inc. with an IFR Score of 63/100. It has 5.0★ from 54 Google reviews. It is open 7 days a week. Sustainable Computing (#2) and Ralph Doore Consulting (#3) follow. We ranked 303 IT consultants on nine factors, last updated November 9, 2026.
How many IT consultants are there in San Francisco?
ITFirmsRanked ranks 303 IT consultants serving San Francisco, CA. 15 of them are based in San Francisco; 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 San Francisco work on weekends?
96 of 303 ranked IT consultants post Saturday hours and 71 post Sunday hours. The highest-ranked open Saturdays are 42, Inc. (#1), Ralph Doore Consulting (#3) and People 1st IT Inc. LLC (#4). Posted hours are office hours; many firms also run an after-hours support line for contract clients.
What Google rating do San Francisco IT consultants have?
The median Google rating among 303 rated IT consultants in San Francisco is 4.9★, with a median of 12 reviews. Central Computers has the most, 698 reviews, and ranks #30. 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 San Francisco count in this ranking?
Yes, if they are within 50 mi of the San Francisco 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 San Francisco 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 San Francisco
- November 2026: IFR Scores recalculated for 303 IT consultants serving San Francisco.
- November 2026: 3 duplicate listings merged.
More IT consultants and San Francisco pages
IT consultants near San Francisco
- IT consultants in Mission District, CA299 ranked
- IT consultants in Chinatown, CA305 ranked
- IT consultants in Noe Valley, CA297 ranked
- IT consultants in Visitacion Valley, CA294 ranked
- IT consultants in Daly City, CA291 ranked
- IT consultants in Emeryville, CA305 ranked
- IT consultants in South San Francisco, CA290 ranked
- IT consultants in Oakland, CA302 ranked
- IT consultants in Alameda, CA301 ranked
- IT consultants in Tamalpais-Homestead Valley, CA280 ranked
Other services in San Francisco
- Managed IT service providers in San Francisco359 ranked
- Cybersecurity companies in San Francisco247 ranked
- Network cabling and installation companies in San Francisco148 ranked
- Business phone system providers in San Francisco146 ranked
- Data recovery services in San Francisco204 ranked
- Computer repair shops in San Francisco155 ranked
- All IT providers in San Francisco