63/100IFR Score
Ranked #1 because of its Google rating and review volume: 4.6★ from 946 Google reviews, the most in Charleston.
Based on 8 of 9 factors; recency not yet collected.
Best Business Phone System Providers in Charleston, SC (2026)
20 business phone system providers ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Charleston: Home Telecom - Nexton, IFR Score 63/100; 4.6★ from 946 Google reviews.
- 17
Most-reviewed: WOW! Internet, TV, & Phone, 479 Google reviews at 1.8★, the most of 20 ranked after Home Telecom - Nexton; ranked #17.
Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank
20 Charleston business phone system providers are ranked here by IFR Score, from nine published factors. 6 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 5.0★ across 20 rated IT firms.
Top 10 business phone system providers 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 | Home Telecom - Nexton | 63 | 4.6★ (946) | Summerville, 23 mi away | — | Overall |
| 2 | Home Telecom - Daniel Island | 60 | 4.9★ (423) | Charleston | — | — |
| 3 | All Wiring Needs | 59 | 5.0★ (37) | Charleston | Sun | — |
| 4 | HLS Technology Solutions | 57 | 5.0★ (357) | Summerville, 26 mi away | Sat · Sun · Evenings | — |
| 5 | Charleston Technology Solutions, LLC | 55 | 5.0★ (17) | Charleston | — | — |
| 6 | SNAP Integrations | 54 | 4.9★ (40) | Charleston | Sat · Sun · Evenings | — |
| 7 | Bizvox Communications | 53 | 5.0★ (7) | Charleston | — | — |
| 8 | Prime Structured Cabling | 53 | 5.0★ (7) | Charleston | — | — |
| 9 | Trident Communications Inc | 52 | 5.0★ (6) | Charleston | — | — |
| 10 | Cyber Husky - Managed IT Services Charleston | 52 | 5.0★ (25) | North Charleston, 7 mi away | Sat · Sun · Evenings | — |
The 20 best business phone system providers 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.
Based in Charleston
60/100IFR ScoreRanked #2 because of its Google rating and review volume: 4.9★ from 423 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Charleston
59/100IFR ScoreRanked #3 because of its Google rating and service focus: 5.0★ from 37 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
Based in Summerville, 26 mi away
57/100IFR ScoreRanked #4 because of its Google rating and review volume: 5.0★ from 357 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Charleston
55/100IFR ScoreRanked #5 because of its Google rating and service focus: 5.0★ from 17 Google reviews, listed on Google as “Telecommunications contractor”.
Based on 8 of 9 factors; recency not yet collected.
Based in Charleston
54/100IFR ScoreRanked #6 because of its Google rating and review volume: 4.9★ from 40 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Charleston
53/100IFR ScoreRanked #7 because of its Google rating and service focus: 5.0★ from 7 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
Based in Charleston
53/100IFR ScoreRanked #8 because of its Google rating and service focus: 5.0★ from 7 Google reviews, listed on Google as “Telecommunications contractor”.
Based on 8 of 9 factors; recency not yet collected.
Based in Charleston
52/100IFR ScoreRanked #9 because of its Google rating and service focus: 5.0★ from 6 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
Based in North Charleston, 7 mi away
52/100IFR ScoreRanked #10 because of its Google rating and service focus: 5.0★ from 25 Google reviews, listed on Google as “Computer support and services”.
Based on 8 of 9 factors; recency not yet collected.
#11 Total Wireless
Based in Goose Creek, 16 mi away
52/100IFR ScoreRanked #11 because of its Google rating and review volume: 4.8★ from 62 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Ladson, 17 mi away
52/100IFR ScoreRanked #12 because of its Google rating and service focus: 4.4★ from 13 Google reviews, listed on Google as “Telecommunications contractor”.
Based on 8 of 9 factors; recency not yet collected.
#13 CT Telecom LLC
Based in Charleston
51/100IFR ScoreRanked #13 because of its Google rating and service focus: 5.0★ from 4 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
#14 VoxRush Telecom
Based in East Hanover, 49 mi away
51/100IFR ScoreRanked #14 because of its Google rating and service focus: 5.0★ from 13 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
Based in Summerville, 21 mi away
51/100IFR ScoreRanked #15 because of its Google rating and service focus: 5.0★ from 8 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
#16 Firstpage
Based in Goose Creek, 17 mi away
51/100IFR ScoreRanked #16 because of its Google rating and service focus: 5.0★ from 3 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 7 of 9 factors; recency and availability not yet collected.
Based in North Charleston, 7 mi away
51/100IFR ScoreRanked #17 because of service focus and review volume: listed on Google as “Telecommunications service provider”, 479 Google reviews.
Based on 7 of 9 factors; recency and availability not yet collected.
#18 Amteck
Based in Ladson, 18 mi away
50/100IFR ScoreRanked #18 because of its Google rating and service focus: 3.8★ from 10 Google reviews, listed on Google as “Telecommunications contractor”.
Based on 8 of 9 factors; recency not yet collected.
#19 TheLifeeeLLC
Based in Laurelton, 44 mi away
43/100IFR ScoreRanked #19 because of its Google rating and service focus: 5.0★ from 5 Google reviews, listed on Google as “Marketing agency”.
Based on 8 of 9 factors; recency not yet collected.
Based in North Charleston, 13 mi away
42/100IFR ScoreRanked #20 because of its Google rating and service focus: 5.0★ from 6 Google reviews, listed on Google as “Computer repair service”.
Based on 8 of 9 factors; recency not yet collected.
Also serving Charleston
20 more business phone system providers 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 |
|---|---|---|
| Adam's Computer Repair and Network Services LLC | 4.9★ (54) | In Charleston |
| ADVYON | 5.0★ (13) | In Charleston |
| Atlantic Computer Services | 5.0★ (18) | In Charleston |
| Beacon Communications, LLC | 5.0★ (1) | In Charleston |
| Business Telecommunications | 5.0★ (1) | In Charleston |
| Charleston Technology Group | 5.0★ (26) | In Charleston |
| Connect TV, Internet & Phone Sales | In Charleston | |
| Copa Communications LLC | In Charleston | |
| data.kiser | 5.0★ (2) | In Charleston |
| Digital Care Technology Partner & Services | 5.0★ (6) | In Charleston |
| e-Coast Systems | 4.9★ (30) | In Charleston |
| NetTec NSI, LLC | 5.0★ (16) | In Charleston |
| Palmetto Office Systems Technology, LLC | In Charleston | |
| Phone System Services Charleston | In Charleston | |
| Stillinger Investigations, Inc. | 5.0★ (19) | In Charleston |
| Teleco of Charleston | 5.0★ (2) | In Charleston |
| The 20 MSP | 5.0★ (24) | In Charleston |
| The Computer Guyz IT Services | 4.7★ (139) | In Charleston |
| UNG | 5.0★ (1) | In Charleston |
| VTS | In Charleston |
How we ranked Charleston business phone system providers
We scored 20 Charleston business phone system providers 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 a business phone system provider
- Ask whether the system is cloud-hosted or installed on site, and who maintains it.
- Check internet capacity and backup: a cloud phone system stops when your connection does.
- Ask how 911 locations are registered for each phone and for remote staff.
- Compare per-user prices on the same features (call recording, queues, integrations).
- 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 a business phone system provider
- Is the price per user, and which features are extra?
- Will you port our existing numbers, and how long does it take?
- What happens to calls if our internet connection goes down?
- How are 911 locations set up for office and remote staff?
- Who do we call for support, and during which hours?
- What is the contract length, and are phones bought or leased?
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.
Business phone system providers in Charleston: frequently asked questions
Who is the best business phone system provider in Charleston?
By IFR Score, the highest-ranked business phone system provider in Charleston, SC is Home Telecom - Nexton with an IFR Score of 63/100. It has 4.6★ from 946 Google reviews. Home Telecom - Daniel Island (#2) and All Wiring Needs (#3) follow. We ranked 20 business phone system providers on nine factors, last updated November 9, 2026.
How many business phone system providers are there in Charleston?
ITFirmsRanked ranks 20 business phone system providers serving Charleston, SC. 8 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 business phone system providers in Charleston work on weekends?
6 of 20 ranked business phone system providers post Saturday hours and 6 post Sunday hours. The highest-ranked open Saturdays are HLS Technology Solutions (#4), SNAP Integrations (#6) and Cyber Husky - Managed IT Services Charleston (#10). Posted hours are office hours; many firms also run an after-hours support line for contract clients.
What Google rating do Charleston business phone system providers have?
The median Google rating among 20 rated business phone system providers in Charleston is 5.0★, with a median of 13 reviews. Home Telecom - Nexton has the most, 946 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ITFirmsRanked rank business phone system providers?
Each business phone system provider 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 business phone system providers outside Charleston count in this ranking?
Yes, if they are within 50 mi of the Charleston city center, our service radius for business phone system providers. 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 business phone system providers 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 a business phone system provider do?
Business phone system providers set up and support office phone systems, mostly cloud VoIP today: numbers, desk phones, call routing, voicemail and contact-centre features.
How are business phone system providers in Charleston ranked?
By IFR Score: Google rating and review volume, recent reviews, opening hours, how clearly the firm does business phone systems and VoIP, distance, a claimed profile, our badge and verified client reviews. Sponsored placements never change the order.
Can we keep our phone numbers if we switch providers?
In most cases yes: numbers can be ported to a new provider in the US and Canada. Keep your current service active until the port is complete, and ask the new provider to manage the port request.
What about 911 calls on a VoIP system?
Each phone needs a registered location so 911 calls go to the right place. In the US, multi-line systems must support direct 911 dialling and send dispatchable location information under federal rules (Kari’s Law and RAY BAUM’S Act). Ask the provider how they set this up.
Update log for Charleston
- November 2026: IFR Scores recalculated for 20 business phone system providers serving Charleston.
More business phone system providers and Charleston pages
Business phone system providers near Charleston
- Business phone system providers in Mount Pleasant, SC20 ranked
- Business phone system providers in North Charleston, SC20 ranked
- Business phone system providers in Hanahan, SC20 ranked
- Business phone system providers in Goose Creek, SC21 ranked
- Business phone system providers in Ladson, SC20 ranked
- Business phone system providers in Summerville, SC20 ranked
- Business phone system providers in Beaufort, SC19 ranked
- Business phone system providers in Port Royal, SC13 ranked
Other services in Charleston
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- Cybersecurity companies in Charleston46 ranked
- IT consultants in Charleston53 ranked
- Network cabling and installation companies in Charleston41 ranked
- Data recovery services in Charleston24 ranked
- Computer repair shops in Charleston46 ranked
- All IT providers in Charleston