62/100IFR 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 Walnut Creek, CA (2026)
327 IT consultants ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Walnut Creek: 42, Inc., IFR Score 62/100; 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 327 ranked; ranked #30.
Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank
327 Walnut Creek IT consultants are ranked here by IFR Score, from nine published factors. 109 open Saturdays and 81 open Sundays, based on posted hours. The median Google rating is 4.9★ across 327 rated IT firms.
Top 10 IT consultants in Walnut Creek 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. | 62 | 5.0★ (54) | Berkeley, 11 mi away | Sat · Sun · Evenings | Overall |
| 2 | Sustainable Computing | 60 | 5.0★ (87) | Alameda, 13 mi away | — | — |
| 3 | Ralph Doore Consulting | 58 | 4.9★ (21) | Noe Valley, 28 mi away | Sat · Sun · Evenings | — |
| 4 | PC Professional Managed IT Services | 58 | 4.9★ (143) | Oakland, 13 mi away | Sat · Sun · Evenings | — |
| 5 | DeParts Systems | 58 | 5.0★ (126) | Alameda, 15 mi away | Sat · Sun · Evenings | — |
| 6 | People 1st IT Inc. LLC | 58 | 4.9★ (299) | San Francisco, 20 mi away | Sat · Sun | — |
| 7 | BEARCloud, Inc | 57 | 5.0★ (32) | San Francisco, 20 mi away | — | — |
| 8 | Cloud Conduction | 57 | 5.0★ (3) | Auburn Hills, 7 mi away | Sat · Sun · Evenings | — |
| 9 | Seashore IT | 57 | 5.0★ (6) | San Francisco, 20 mi away | Sat · Sun · Evenings | — |
| 10 | Option Click Consulting | 57 | 5.0★ (22) | Larkspur, 39 mi away | Sat · Sun · Evenings | — |
The 327 best IT consultants in Walnut Creek, 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, 13 mi away
60/100IFR 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, 28 mi away
58/100IFR 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 Oakland, 13 mi away
58/100IFR ScoreRanked #4 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 Alameda, 15 mi away
58/100IFR ScoreRanked #5 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, 20 mi away
58/100IFR ScoreRanked #6 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 San Francisco, 20 mi away
57/100IFR ScoreRanked #7 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 Auburn Hills, 7 mi away
57/100IFR ScoreRanked #8 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.
#9 Seashore IT
Based in San Francisco, 20 mi away
57/100IFR ScoreRanked #9 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 Larkspur, 39 mi away
57/100IFR 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.
Based in Walnut Creek
57/100IFR ScoreRanked #11 because of its Google rating and service focus: 4.9★ from 15 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
#12 Grundig IT
Based in Alamo, 9 mi away
57/100IFR ScoreRanked #12 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.
#13 offthegridit
Based in San Jose, 38 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 San Francisco, 20 mi away
56/100IFR ScoreRanked #14 because of its Google rating and review volume: 5.0★ from 104 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
#15 WebDispatch
Based in San Ramon, 10 mi away
56/100IFR ScoreRanked #15 because of its Google rating and service focus: 4.9★ from 19 Google reviews, listed on Google as “Computer consultant”.
Based on 8 of 9 factors; recency not yet collected.
#16 Nerd Crossing
Based in Benicia, 11 mi away
56/100IFR ScoreRanked #16 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 Concord, 5 mi away
56/100IFR ScoreRanked #17 because of its Google rating and review volume: 5.0★ from 48 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
#18 Jones IT
Based in San Francisco, 21 mi away
56/100IFR ScoreRanked #18 because of its Google rating and review volume: 5.0★ from 431 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Concord, 4 mi away
56/100IFR ScoreRanked #19 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.
Based in Menlo Park, 32 mi away
56/100IFR ScoreRanked #20 because of its Google rating and review volume: 4.8★ from 326 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
#21 Netpace Inc
Based in San Ramon, 11 mi away
56/100IFR ScoreRanked #21 because of its Google rating and service focus: 4.4★ from 8 Google reviews, listed on Google as “Computer consultant”.
Based on 7 of 9 factors; recency and availability not yet collected.
#22 The Marin Tech
Based in San Rafael, 28 mi away
56/100IFR ScoreRanked #22 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.
Based in Napa, 26 mi away
55/100IFR ScoreRanked #23 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 Arden-Arcade, 43 mi away
55/100IFR ScoreRanked #24 because of its Google rating and review volume: 4.9★ from 321 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
#25 Sydewayz Cafe
Based in Alameda, 14 mi away
55/100IFR ScoreRanked #25 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.
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 327 ranked IT consultants here; the rest are on their profiles.
Also serving Walnut Creek
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 |
|---|---|---|
| Ace Computer Systems Inc | In Walnut Creek | |
| Back Office Geeks | 5.0★ (1) | In Walnut Creek |
| Bay Area IT Services | 5.0★ (2) | In Walnut Creek |
| BF Datacom Inc. | In Walnut Creek | |
| Bytecode IO, Inc | In Walnut Creek | |
| CaliPhonia Phone, Computer Repair & Data Recovery | 4.8★ (227) | In Walnut Creek |
| Cantrell's Information Technologies | 5.0★ (12) | In Walnut Creek |
| Coleman IT Group, Inc. | In Walnut Creek | |
| Exibility Inc | 5.0★ (1) | In Walnut Creek |
| Flagg Applied Computer Technologies | 5.0★ (2) | 6 mi |
| Interactive Labs, Inc | In Walnut Creek | |
| Knockout PC Repair and IT Consulting | In Walnut Creek | |
| Konica Minolta Business Solutions | 5.0★ (1) | In Walnut Creek |
| LMJ Forte | In Walnut Creek | |
| ManagedTEK | In Walnut Creek | |
| OTO TECHNOLOGY CORPORATION | In Walnut Creek | |
| PCGuys | In Walnut Creek | |
| Rooted Software - Walnut Creek | 5.0★ (2) | In Walnut Creek |
| The Wizards of OZtechs | 5.0★ (1) | In Walnut Creek |
| Walnut Creek Fix | In Walnut Creek |
How we ranked Walnut Creek IT consultants
We scored 327 Walnut Creek 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 Walnut Creek 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 Walnut Creek: frequently asked questions
Who is the best IT consultant in Walnut Creek?
By IFR Score, the highest-ranked IT consultant in Walnut Creek, CA is 42, Inc. with an IFR Score of 62/100. 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 327 IT consultants on nine factors, last updated November 9, 2026.
How many IT consultants are there in Walnut Creek?
ITFirmsRanked ranks 327 IT consultants serving Walnut Creek, CA. 1 of them is based in Walnut Creek; 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 Walnut Creek work on weekends?
109 of 327 ranked IT consultants post Saturday hours and 81 post Sunday hours. The highest-ranked open Saturdays are 42, Inc. (#1), Ralph Doore Consulting (#3) and PC Professional Managed IT Services (#4). Posted hours are office hours; many firms also run an after-hours support line for contract clients.
What Google rating do Walnut Creek IT consultants have?
The median Google rating among 327 rated IT consultants in Walnut Creek 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 Walnut Creek count in this ranking?
Yes, if they are within 50 mi of the Walnut Creek 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 Walnut Creek 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 Walnut Creek
- November 2026: IFR Scores recalculated for 327 IT consultants serving Walnut Creek.
- November 2026: 3 duplicate listings merged.
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