69/100IFR Score
Ranked #1 because of its Google rating and service focus: 5.0★ from 135 Google reviews, listed on Google as “Computer consultant”.
Best IT Consultants in Charleston, SC (2026)
53 IT consultants ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Charleston: ADVYON, IFR Score 69/100; 5.0★ from 135 Google reviews; open 7 days a week.
- 5
Most-reviewed: West Ashley Computer Repair And Custom Builds, 179 Google reviews at 4.9★, the most of 53 ranked; ranked #5.
Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank
53 Charleston IT consultants are ranked here by IFR Score, from nine published factors. 22 open Saturdays and 17 open Sundays, based on posted hours. The median Google rating is 5.0★ across 53 rated IT firms.
Top 10 IT consultants in Charleston 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 | ADVYON | 69 | 5.0★ (135) | Summerville, 17 mi away | Sat · Sun · Evenings | Overall |
| 2 | Charleston Technology Group | 61 | 5.0★ (26) | Charleston | — | — |
| 3 | Gator IT Solutions | 60 | 5.0★ (6) | Ladson, 11 mi away | Sat · Sun · Evenings | — |
| 4 | Cantey Tech Consulting - Charleston Managed IT Services Company | 60 | 4.8★ (76) | North Charleston, 5 mi away | Sat · Sun · Evenings | — |
| 5 | West Ashley Computer Repair And Custom Builds | 59 | 4.9★ (179) | Charleston | — | Most reviews |
| 6 | e Systems Solutions | Managed IT Services & IT Support | 58 | 5.0★ (29) | Charleston | Sat · Sun · Evenings | — |
| 7 | Charleston AI | 58 | 4.8★ (54) | Charleston | Sat · Sun | — |
| 8 | MillerWilson Consulting | 58 | 5.0★ (12) | North Charleston, 10 mi away | — | — |
| 9 | Stasmayer | 57 | 5.0★ (136) | North Charleston, 8 mi away | — | — |
| 10 | The 20 MSP | 57 | 5.0★ (24) | Charleston | Sat · Sun · Evenings | — |
The 53 best IT consultants in Charleston, 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.
Based in Charleston
61/100IFR ScoreRanked #2 because of its Google rating and service focus: 5.0★ from 26 Google reviews, listed on Google as “Computer consultant”.
Based in Ladson, 11 mi away
60/100IFR ScoreRanked #3 because of its Google rating and service focus: 5.0★ from 6 Google reviews, listed on Google as “Computer consultant”.
Based in North Charleston, 5 mi away
60/100IFR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 76 Google reviews.
Based in Charleston
59/100IFR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 179 Google reviews, the most in Charleston.
Based in Charleston
58/100IFR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 29 Google reviews.
Based in Charleston
58/100IFR ScoreRanked #7 because of its Google rating and review volume: 4.8★ from 54 Google reviews.
Based in North Charleston, 10 mi away
58/100IFR ScoreRanked #8 because of its Google rating and service focus: 5.0★ from 12 Google reviews, listed on Google as “Computer consultant”.
#9 Stasmayer
Based in North Charleston, 8 mi away
57/100IFR ScoreRanked #9 because of its Google rating and review volume: 5.0★ from 136 Google reviews.
#10 The 20 MSP
Based in Charleston
57/100IFR ScoreRanked #10 because of its Google rating and review volume: 5.0★ from 24 Google reviews.
Based in Charleston
57/100IFR ScoreRanked #11 because of its Google rating and review volume: 4.7★ from 139 Google reviews.
Based in Mount Pleasant, 7 mi away
57/100IFR ScoreRanked #12 because of its Google rating and review volume: 4.9★ from 115 Google reviews.
Based in Charleston
56/100IFR ScoreRanked #13 because of its Google rating and service focus: 5.0★ from 28 Google reviews, listed on Google as “Computer repair service”.
#14 AT-NET Services
Based in North Charleston, 7 mi away
56/100IFR ScoreRanked #14 because of its Google rating and review volume: 4.8★ from 26 Google reviews.
Based in Mandeville, 11 mi away
56/100IFR ScoreRanked #15 because of its Google rating and service focus: 5.0★ from 4 Google reviews, listed on Google as “Computer consultant”.
Based in Charleston
56/100IFR ScoreRanked #16 because of its Google rating and review volume: 4.9★ from 82 Google reviews.
Based in Charleston
56/100IFR ScoreRanked #17 because of its Google rating and review volume: 4.9★ from 73 Google reviews.
Based in Charleston
56/100IFR ScoreRanked #18 because of its Google rating and review volume: 5.0★ from 68 Google reviews.
#19 All Wiring Needs
Based in Charleston
56/100IFR ScoreRanked #19 because of its Google rating and review volume: 5.0★ from 37 Google reviews.
#20 ADVYON
Based in Charleston
55/100IFR ScoreRanked #20 because of its Google rating and review volume: 5.0★ from 13 Google reviews.
Based in Charleston
55/100IFR ScoreRanked #21 because of its Google rating and service focus: 4.8★ from 20 Google reviews, listed on Google as “Computer support and services”.
Based in Charleston
55/100IFR ScoreRanked #22 because of its Google rating and review volume: 5.0★ from 32 Google reviews.
Based in Summerville, 22 mi away
55/100IFR ScoreRanked #23 because of its Google rating and service focus: 4.5★ from 4 Google reviews, listed on Google as “Computer consultant”.
#24 Delson Computer
Based in Charleston
55/100IFR ScoreRanked #24 because of its Google rating and review volume: 4.9★ from 49 Google reviews.
#25 DartPoints
Based in Ladson, 16 mi away
54/100IFR ScoreRanked #25 because of its Google rating and review volume: 4.7★ from 21 Google reviews.
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 53 ranked IT consultants here; the rest are on their profiles.
| Rank | Business | IFR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Rescuecom of Charleston | 54 | 4.6★ (11) | In Charleston |
| 27 | SAMTECH | 54 | 4.7★ (44) | 14 mi |
| 28 | SNS Technologies - Charleston | 54 | 5.0★ (17) | In Charleston |
| 29 | Computers of Charleston | 53 | 4.8★ (18) | In Charleston |
| 30 | TotalBC, Inc. | 53 | 4.6★ (10) | 10 mi |
| 31 | TeamLogic IT | 53 | 5.0★ (13) | 8 mi |
| 32 | TeamLogic IT | 53 | 5.0★ (24) | In Charleston |
| 33 | Knowlogix | 53 | 5.0★ (6) | 39 mi |
| 34 | Charleston Technology Solutions, LLC | 52 | 5.0★ (17) | In Charleston |
| 35 | CMIT Solutions | 51 | 4.9★ (36) | 21 mi |
| 36 | NetTec NSI, LLC | 51 | 5.0★ (16) | In Charleston |
| 37 | Warren Technologies LLC | 51 | 5.0★ (12) | 23 mi |
| 38 | Device Craft | 51 | 5.0★ (11) | 9 mi |
| 39 | Kotori Technologies, LLC | 50 | 4.7★ (28) | 22 mi |
| 40 | SimplicIT Now (SITNOW) | 50 | 5.0★ (5) | 22 mi |
| 41 | John Rector | 50 | 5.0★ (4) | 5 mi |
| 42 | e-vos | 50 | 5.0★ (9) | In Charleston |
| 43 | AAT Computer Repair and Upgrades | 49 | 2.5★ (4) | In Charleston |
| 44 | Modus21, LLC | 49 | 4.4★ (7) | 6 mi |
| 45 | Ghost Tech Solutions | 48 | 5.0★ (3) | In Charleston |
| 46 | Charleston AI | 48 | 5.0★ (3) | In Charleston |
| 47 | Meridian Automation & Communication Inc | 47 | 5.0★ (6) | 13 mi |
| 48 | B&C Hospitality Systems | 47 | 4.3★ (3) | 11 mi |
| 49 | Dr. Ware | 47 | 5.0★ (3) | In Charleston |
| 50 | SkyView Technology, Inc | 46 | 5.0★ (3) | 7 mi |
Also serving Charleston
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 |
|---|---|---|
| All World Computer & Information Technology | 5.0★ (1) | In Charleston |
| ANC Group Charleston IT Support Company | In Charleston | |
| Beacon Communications, LLC | 5.0★ (1) | In Charleston |
| Bizvox Communications | 5.0★ (7) | In Charleston |
| Bluetowne | 5.0★ (5) | In Charleston |
| Branch Technologies | 5.0★ (37) | In Charleston |
| Bryant Tech LLC | In Charleston | |
| Compu-Experts | 5.0★ (1) | In Charleston |
| Digital Care Technology Partner & Services | 5.0★ (6) | In Charleston |
| Guardrail Mining, Inc | In Charleston | |
| Implementing Technologies, LLC | 5.0★ (2) | In Charleston |
| Island Tech | In Charleston | |
| Portside Technology | 4.9★ (44) | In Charleston |
| ProTecht Solutions Partners | In Charleston | |
| Proxcy Consulting LLC | In Charleston | |
| Rosen Litigation Technology Consulting, Inc | 5.0★ (1) | In Charleston |
| Software Projects Consulting, Inc. | 5.0★ (1) | In Charleston |
| Software Solutions & Designs | 4.9★ (57) | In Charleston |
| UNG | 5.0★ (1) | In Charleston |
| VWP Computer Services | 5.0★ (2) | In Charleston |
How we ranked Charleston IT consultants
We scored 53 Charleston 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 Charleston 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 Charleston: frequently asked questions
Who is the best IT consultant in Charleston?
By IFR Score, the highest-ranked IT consultant in Charleston, SC is ADVYON with an IFR Score of 69/100. It has 5.0★ from 135 Google reviews. It is open 7 days a week. Charleston Technology Group (#2) and Gator IT Solutions (#3) follow. We ranked 53 IT consultants on nine factors, last updated November 9, 2026.
How many IT consultants are there in Charleston?
ITFirmsRanked ranks 53 IT consultants serving Charleston, SC. 26 of them are based in Charleston; 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 Charleston work on weekends?
22 of 53 ranked IT consultants post Saturday hours and 17 post Sunday hours. The highest-ranked open Saturdays are ADVYON (#1), Gator IT Solutions (#3) and Cantey Tech Consulting - Charleston Managed IT Services Company (#4). Posted hours are office hours; many firms also run an after-hours support line for contract clients.
What Google rating do Charleston IT consultants have?
The median Google rating among 53 rated IT consultants in Charleston is 5.0★, with a median of 17 reviews. West Ashley Computer Repair And Custom Builds has the most, 179 reviews, and ranks #5. 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 Charleston count in this ranking?
Yes, if they are within 50 mi of the Charleston 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 Charleston 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 Charleston
- November 2026: IFR Scores recalculated for 53 IT consultants serving Charleston.
More IT consultants and Charleston pages
IT consultants near Charleston
- IT consultants in Mount Pleasant, SC53 ranked
- IT consultants in North Charleston, SC52 ranked
- IT consultants in Hanahan, SC54 ranked
- IT consultants in Goose Creek, SC55 ranked
- IT consultants in Ladson, SC54 ranked
- IT consultants in Summerville, SC54 ranked
- IT consultants in Beaufort, SC49 ranked
- IT consultants in Port Royal, SC30 ranked
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- All IT providers in Charleston