CallataGuidesBusiness phone system for marketing consulting firms in Charleston, SC
Marketing consulting firms in the Charleston-North Charleston, SC metro area: 144 establishments in 2023, the local area codes, and what phone service costs a 3-person team.
- Establishments
- 144CBP 2023
- Employees
- 425mid-March 2023
- Per 100k residents
- 16.6U.S. 15.4
- Rank
- 55th of 525areas by count
The marketing consultancy market in Charleston, SC
County Business Patterns counts 144 marketing consulting firms (NAICS 541613, Marketing Consulting Services) in the Charleston-North Charleston, SC metro area for 2023. Together they reported 425 mid-March employees and $33.8 million of payroll for the year. That ranks 55th of the 525 metro and micropolitan areas where Census published a count for this industry.
With 870,000 residents in the Census 2024 estimate, that is 16.6 marketing consulting firms per 100,000 people, 7.7% above the national rate of 15.4. Establishments average 3.0 employees, 51.1% below the U.S. average of 6.0. Payroll per employee comes to $79,548, 4.2% below the national $83,009.
| Measure | Charleston, SC | South Carolina | United States |
|---|---|---|---|
| Establishments | 144 | 464 | 52,258 |
| Mid-March employees | 425 | 4,024 | 315,229 |
| Annual payroll | $33,808,000 | $377,091,000 | $26,166,723,000 |
| Employees per establishment | 3.0 | 8.7 | 6.0 |
| Payroll per employee | $79,548 | $93,710 | $83,009 |
| Establishments per 100,000 residents | 16.6 | 8.5 | 15.4 |
Census County Business Patterns 2023 (mid-March employment; annual payroll). Employees and payroll flagged high-noise are shown but not used in the text. Residents: Census Vintage 2024 estimates.
How big marketing consulting firms in Charleston, SC are
Of the marketing consulting firms in Charleston, SC that had employees in March 2023, 84.0% had fewer than five (the U.S. share is 83.6%). 92.4% had fewer than ten. For a business of a few people, phone coverage is a staffing question as much as a technology one: someone has to be free to pick up, or the call needs somewhere sensible to go.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 121 | 84.0% | 83.6% |
| 5–9 employees | 12 | 8.3% | 7.2% |
| 10–19 employees | 8 | 5.6% | 4.3% |
| 20–49 employees | 3 | 2.1% | 3.1% |
| 50 or more employees | 0 | 0.0% | 1.8% |
Employment-size classes count establishments by mid-March 2023 employment. Establishments with no March employees are excluded from the size classes, so shares are of establishments with employees. Source: Census County Business Patterns 2023.
What marketing consulting firms in Charleston, SC use the phone for
Marketing consultants answer to many clients at once, and prospective clients call after seeing campaigns or referrals. A shared line with routing to account owners keeps calls from bouncing.
Typical inbound and outbound calls for marketing consulting firms in Charleston, SC:
- The consultant calls a client to review results.
- A media vendor calls about a placement.
- A client calls about a report.
When nobody can pick up
After-hours calls are usually not urgent and can be handled the next day.
With business-hours routing, calls after closing can go to transcribed voicemail or an optional AI receptionist instead of ringing an empty room.
Callata vs. per-seat pricing for marketing consulting firms in Charleston, SC
The average marketing consultancy in Charleston, SC has 3.0 employees, so a 3-person team is a reasonable benchmark. Per-seat business phone plans bill every one of those people. At month-to-month list prices checked September 28, 2026, 3 users on RingCentral RingEX Core cost $90.00 a month and 3 on Ooma Office Pro cost $74.85. Callata is $99.00 a month with 5 users included, which is more than either per-seat plan for 3 people; it becomes the lower price at 4 users or more.
At this team size the per-seat plans cost less than Callata's $99 base price, which already covers 5 users; Callata becomes the lower price from 4 users.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $99.00 | $1,188.00 |
| Quo (Starter) | $19.00 per user | $57.00 | $684.00 |
| Nextiva (Core) | $23.00 per user | $69.00 | $828.00 |
| Ooma (Office Pro) | $24.95 per user | $74.85 | $898.20 |
| Dialpad (Standard) | $27.00 per user | $81.00 | $972.00 |
| RingCentral (RingEX Core) | $30.00 per user | $90.00 | $1,080.00 |
Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.
Which area code to use in Charleston, SC
NANPA records place the exchanges of the area's named cities and towns in 2 area codes. 843 has the most, with 267 of 330 exchanges (81%). Callata's plan includes up to 3 local numbers; you can pick them in the area codes your clients recognize, subject to carrier inventory, or port the number you already have for free.
| Area code | Exchanges | Time zone | In service since | Overlay with |
|---|---|---|---|---|
| 843 | 267 | Eastern | 1998 | 854 |
| 854 | 63 | Eastern | 2015 | 843 |
Exchanges are NANPA-assigned central office codes (NPA-NXX) in the rate centers matched to the area's named places. Source: NANPA utilized code and NPA reports.
What marketing consulting firms in Charleston, SC get with Callata
Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.
If you already have a number in Charleston, SC, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.
Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.
Frequently asked questions
How many marketing consulting firms are there in Charleston, SC?
Census County Business Patterns counted 144 marketing consulting firms in the Charleston-North Charleston, SC metro area in 2023. They employed 425 people in mid-March.
What does a business phone system cost for a 3-person marketing consultancy?
At month-to-month list prices checked September 28, 2026, 3 users cost $90.00 a month on RingCentral RingEX Core and $74.85 on Ooma Office Pro. On Callata, $99 a month with 5 users included, then $20 per additional user, the same team pays $99.00.
What area code should a marketing consultancy in Charleston, SC use?
Area code 843 has the most assigned exchanges among the area's named places, followed by 854. If you already have a local number, you can port it to Callata for free.
Can an AI receptionist answer calls for a marketing consultancy?
Yes. Callata's optional AI agents can answer when the team is busy or closed, take a message, text, email or transfer the call. They disclose that they are AI and are billed from prepaid AI minutes at $0.25 per minute.