64/100IFR Score
Ranked #1 because of its Google rating and service focus: 4.8★ from 146 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
Best Business Phone System Providers in Rock Hill, SC (2026)
71 business phone system providers ranked by IFR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Rock Hill: Boost Mobile, IFR Score 64/100; 4.8★ from 146 Google reviews; open 7 days a week.
- 20
Most-reviewed: Kinetic Fiber Internet - Concord, NC, 2,202 Google reviews at 4.5★, the most of 71 ranked; ranked #20.
Rankings can't be bought. IT providers can't pay to change their rank or score. How we rank
71 Rock Hill business phone system providers are ranked here by IFR Score, from nine published factors. 20 open Saturdays and 12 open Sundays, based on posted hours. The median Google rating is 4.7★ across 71 rated IT firms.
Top 10 business phone system providers in Rock Hill 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 | Boost Mobile | 64 | 4.8★ (146) | Rock Hill | Sat · Sun · Evenings | Overall |
| 2 | CATJACKS LLC | 63 | 5.0★ (123) | Charlotte, 24 mi away | Sat · Sun · Evenings | — |
| 3 | Loop Communications | 61 | 4.9★ (439) | Charlotte, 22 mi away | Evenings | — |
| 4 | Ringfree Communications | 60 | 5.0★ (492) | Asheville, 41 mi away | — | — |
| 5 | Square Clover | 59 | 4.9★ (31) | Charlotte, 21 mi away | Sat · Sun · Evenings | — |
| 6 | TelWare Corporation | 58 | 4.9★ (163) | Charlotte, 28 mi away | — | — |
| 7 | Advanced Data Cabling | 58 | 5.0★ (44) | Rock Hill | — | — |
| 8 | SafeCall Inc. | 57 | 5.0★ (16) | Charlotte, 15 mi away | Sat · Sun · Evenings | — |
| 9 | Boost Mobile | 57 | 4.0★ (81) | Gastonia, 24 mi away | Sat · Sun · Evenings | — |
| 10 | Grace Technology Solutions LLC | 56 | 5.0★ (7) | Charlotte, 14 mi away | Sat · Sun · Evenings | — |
The 71 best business phone system providers in Rock Hill, 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.
#2 CATJACKS LLC
Based in Charlotte, 24 mi away
63/100IFR ScoreRanked #2 because of its Google rating and service focus: 5.0★ from 123 Google reviews, listed on Google as “Telecommunications contractor”.
Based on 8 of 9 factors; recency not yet collected.
Based in Charlotte, 22 mi away
61/100IFR ScoreRanked #3 because of its Google rating and service focus: 4.9★ from 439 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
Based in Asheville, 41 mi away
60/100IFR ScoreRanked #4 because of its Google rating and service focus: 5.0★ from 492 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
Based in Charlotte, 21 mi away
59/100IFR ScoreRanked #5 because of its Google rating and service focus: 4.9★ from 31 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
Based in Charlotte, 28 mi away
58/100IFR ScoreRanked #6 because of its Google rating and service focus: 4.9★ from 163 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
Based in Rock Hill
58/100IFR ScoreRanked #7 because of its Google rating and service focus: 5.0★ from 44 Google reviews, listed on Google as “Telecommunications contractor”.
Based on 8 of 9 factors; recency not yet collected.
Based in Charlotte, 15 mi away
57/100IFR ScoreRanked #8 because of its Google rating and service focus: 5.0★ from 16 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
#9 Boost Mobile
Based in Gastonia, 24 mi away
57/100IFR ScoreRanked #9 because of its Google rating and service focus: 4.0★ from 81 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
Based in Charlotte, 14 mi away
56/100IFR ScoreRanked #10 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.
#11 Boost Mobile
Based in Gastonia, 25 mi away
56/100IFR ScoreRanked #11 because of its Google rating and service focus: 3.7★ from 154 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
#12 OneCloud
Based in Charlotte, 28 mi away
55/100IFR ScoreRanked #12 because of its Google rating and service focus: 4.8★ from 58 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
#13 Cabling Crew
Based in Indian Trail, 24 mi away
55/100IFR ScoreRanked #13 because of its Google rating and service focus: 5.0★ from 21 Google reviews, listed on Google as “Telecommunications contractor”.
Based on 8 of 9 factors; recency not yet collected.
Based in Mint Hill, 25 mi away
54/100IFR ScoreRanked #14 because of its Google rating and service focus: 4.9★ from 33 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
#15 Dimension Data
Based in Fort Mill, 11 mi away
54/100IFR ScoreRanked #15 because of its Google rating and service focus: 3.9★ from 10 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 7 of 9 factors; recency and availability not yet collected.
Based in Indian Trail, 24 mi away
54/100IFR ScoreRanked #16 because of its Google rating and service focus: 5.0★ from 21 Google reviews, listed on Google as “Telecommunications contractor”.
Based on 8 of 9 factors; recency not yet collected.
#17 eSmith IT
Based in Huntersville, 35 mi away
53/100IFR ScoreRanked #17 because of its Google rating and service focus: 5.0★ from 34 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
Based in Rock Hill
53/100IFR ScoreRanked #18 because of its Google rating and service focus: 4.4★ from 8 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
Based in Charlotte, 18 mi away
52/100IFR ScoreRanked #19 because of its Google rating and service focus: 4.3★ from 6 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
Based in Concord, 42 mi away
52/100IFR ScoreRanked #20 because of its Google rating and review volume: 4.5★ from 2,202 Google reviews, the most in Rock Hill.
Based on 8 of 9 factors; recency not yet collected.
Based in Charlotte, 23 mi away
52/100IFR ScoreRanked #21 because of its Google rating and service focus: 4.7★ from 12 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
#22 Total Wireless
Based in Kings Mountain, 28 mi away
52/100IFR ScoreRanked #22 because of its Google rating and review volume: 4.9★ from 98 Google reviews.
Based on 8 of 9 factors; recency not yet collected.
Based in Charlotte, 19 mi away
52/100IFR ScoreRanked #23 because of its Google rating and service focus: 5.0★ from 8 Google reviews, listed on Google as “Telecommunications contractor”.
Based on 8 of 9 factors; recency not yet collected.
#24 SEGRA
Based in Charlotte, 14 mi away
51/100IFR ScoreRanked #24 because of its Google rating and service focus: 3.7★ from 9 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
Based in Monroe, 25 mi away
51/100IFR ScoreRanked #25 because of its Google rating and service focus: 4.7★ from 10 Google reviews, listed on Google as “Telecommunications service provider”.
Based on 8 of 9 factors; recency not yet collected.
Business phone system providers 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 71 ranked business phone system providers here; the rest are on their profiles.
Also serving Rock Hill
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 |
|---|---|---|
| Andrew Tech, LLC | 5.0★ (2) | 41 mi |
| Atlantic Business Systems | In Rock Hill | |
| Buchanan Technologies - Charlotte Managed IT Services Company | 5.0★ (2) | 22 mi |
| Comporium Business (Spartanburg/Greenville) | 3.0★ (2) | In Rock Hill |
| Computer CPR | Managed IT Services | 5.0★ (13) | In Rock Hill |
| Converge Communication Tech | 4.5★ (2) | 38 mi |
| Data Communications Inc | 5.0★ (1) | 25 mi |
| E2 Optics | 5.0★ (1) | 22 mi |
| GEM Systems | 4.9★ (31) | In Rock Hill |
| Henco Business Communication Consulting | 5.0★ (1) | 23 mi |
| Infinity Technology Solutions | 5.0★ (2) | 48 mi |
| IP3 SOLUTIONS - VOICE DATA VIDEO | 5.0★ (2) | 9 mi |
| Metrotech | 1.0★ (1) | 25 mi |
| Providence Wireless | 5.0★ (1) | 22 mi |
| Riverside Technologies, Inc. (RTI) | In Rock Hill | |
| Servcom USA | 4.9★ (40) | In Rock Hill |
| SmarterHome.ai - Compare Local Internet Deals | 5.0★ (1) | 24 mi |
| Time Warner | 3.0★ (2) | 32 mi |
| Wire Weaver | 5.0★ (2) | 19 mi |
| WIRELESS TOWER SOLUTIONS | In Rock Hill |
How we ranked Rock Hill business phone system providers
We scored 71 Rock Hill 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 Rock Hill 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 Rock Hill: frequently asked questions
Who is the best business phone system provider in Rock Hill?
By IFR Score, the highest-ranked business phone system provider in Rock Hill, SC is Boost Mobile with an IFR Score of 64/100. It has 4.8★ from 146 Google reviews. It is open 7 days a week. CATJACKS LLC (#2) and Loop Communications (#3) follow. We ranked 71 business phone system providers on nine factors, last updated November 9, 2026.
How many business phone system providers are there in Rock Hill?
ITFirmsRanked ranks 71 business phone system providers serving Rock Hill, SC. 3 of them are based in Rock Hill; 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 Rock Hill work on weekends?
20 of 71 ranked business phone system providers post Saturday hours and 12 post Sunday hours. The highest-ranked open Saturdays are Boost Mobile (#1), CATJACKS LLC (#2) and Square Clover (#5). Posted hours are office hours; many firms also run an after-hours support line for contract clients.
What Google rating do Rock Hill business phone system providers have?
The median Google rating among 71 rated business phone system providers in Rock Hill is 4.7★, with a median of 13 reviews. Kinetic Fiber Internet - Concord, NC has the most, 2,202 reviews, and ranks #20. 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 Rock Hill count in this ranking?
Yes, if they are within 50 mi of the Rock Hill 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 Rock Hill 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 Rock Hill
- November 2026: IFR Scores recalculated for 71 business phone system providers serving Rock Hill.
More business phone system providers and Rock Hill pages
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