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Business phone system for marketing consulting firms in California

9,390 marketing consulting firms operated in California in 2023. Where they are, how big their teams are, and what phone service costs them.

Establishments
9,390CBP 2023
Employees
42,511mid-March 2023
Per 100k residents
23.8U.S. 15.4
State rank
1st of 51by count

Marketing consulting firms in California by the numbers

The Census Bureau counted 9,390 marketing consulting firms in California in its 2023 County Business Patterns (NAICS 541613). They employed 42,511 people in mid-March and reported $4.1 billion in annual payroll. That is the 1st highest count among the 51 states and DC with published figures. Marketing consulting firms make up 0.91% of the 1,029,689 business establishments in the state.

Per 100,000 residents (2024 estimate) California has 23.8 marketing consulting firms, 55.0% above the national rate of 15.4. The average establishment has 4.5 employees against 6.0 nationally. Payroll per employee is $96,782, 16.6% above the U.S. figure of $83,009.

Marketing consulting firms: California compared with the U.S., 2023
MeasureCaliforniaUnited States
Establishments9,39052,258
Mid-March employees42,511315,229
Annual payroll$4,114,320,000$26,166,723,000
Employees per establishment4.56.0
Payroll per employee$96,782$83,009
Establishments per 100,000 residents23.815.4

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.

Where marketing consulting firms in California are concentrated

Census published marketing consultancy counts for 27 metro or micropolitan areas that include part of California. The largest is Los Angeles, CA, with 4,870 establishments. Single-state metro and micropolitan areas account for 100% of the statewide total; the rest are outside any published area or in areas Census suppressed.

Marketing consulting firms by metro or micropolitan area, California, 2023
AreaEstablishmentsEmployeesPer 100k residents
Los Angeles, CA4,87021,66237.7
San Diego, CA1,2335,33137.4
San Francisco, CA1,2016,77725.8
Riverside, CA5111,90310.8
San Jose, CA3892,77219.5
Sacramento, CA3641,38514.8
Oxnard, CA20361224.3
Fresno, CA802166.7
Santa Maria, CA7618117.1
Santa Rosa, CA7017614.4
Santa Cruz, CA5310320.2
San Luis Obispo, CA4520916.0
Stockton, CA37884.5
Bakersfield, CA36683.9
Napa, CA319323.4
Salinas, CA27886.2
Vallejo, CA251855.5
Modesto, CA241034.3
Truckee, CA23—22.5
Redding, CA16—8.8
Gardnerville Ranchos, NV-CA16—31.6
Chico, CA12425.8
Visalia, CA8—1.7
Eureka, CA8246.0
Ukiah, CA7227.8

Top 25 of 27 areas by establishments. Source: Census CBP 2023.

Team sizes at marketing consulting firms in California

85.6% of California's marketing consulting firms with employees had fewer than five people in March 2023, compared with 83.6% nationally. 92.4% had fewer than ten. That is the size of team where a missed call usually means nobody was free, not that nobody was on staff.

Marketing consulting firms in California by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees8,03885.6%83.6%
5–9 employees6316.7%7.2%
10–19 employees3413.6%4.3%
20–49 employees2392.5%3.1%
50 or more employees1381.5%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.

Calls a marketing consultancy in California has to catch

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. That holds for marketing consulting firms in California as much as anywhere.

Calls a marketing consultancy in California might handle in a typical week include:

After-hours calls

After-hours calls are usually not urgent and can be handled the next day.

Callata voicemail is transcribed and triaged for urgency, and business-hours routing decides where calls go once you close.

What a phone system costs a marketing consultancy in California

Marketing consulting firms in California average 4.5 employees, so the comparison uses a 5-person team. Priced per seat, 5 users would run $150.00 a month on RingCentral RingEX Core and $124.75 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). On Callata the same 5 people cost $99.00 a month, less than either per-seat plan.

The annual difference against RingCentral's monthly list price comes to $612. Some vendors discount annual contracts; the table shows month-to-month prices.

Monthly list price for a 5-person marketing consultancy
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$99.00$1,188.00
Quo (Starter)$19.00 per user$95.00$1,140.00
Nextiva (Core)$23.00 per user$115.00$1,380.00
Ooma (Office Pro)$24.95 per user$124.75$1,497.00
Dialpad (Standard)$27.00 per user$135.00$1,620.00
RingCentral (RingEX Core)$30.00 per user$150.00$1,800.00

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.

Area codes in California

California has 41 geographic area codes in service according to NANPA. You can choose local numbers in the area codes your clients know, subject to carrier inventory, or port your current number for free.

Area codes in California by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
408787Pacific1959669
213786Pacific1947323, 738
310786Pacific1991424
323786Pacific1998213, 738
714786Pacific1951657
805786Pacific1957820
909786Pacific1992840
415785Pacific1947628
510785Pacific1991341
559785Pacific1998357
619785Pacific1982858
707785Pacific1959369
760785Pacific1997442
916785Pacific1947279
209784Pacific1958350
530782Pacific1997837
818781Pacific1984747
949745Pacific1998none
626734Pacific1997none
650716Pacific1997none

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.

How Callata works for marketing consulting firms in California

For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.

If you already have a number in California, 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 in California?

9,390 in 2023, according to Census County Business Patterns. They employed 42,511 people in mid-March.

Which California metro area has the most marketing consulting firms?

Los Angeles, CA, with 4,870 establishments in 2023.

What does a phone system cost a 5-person marketing consultancy?

$150.00 a month on RingCentral RingEX Core or $124.75 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $99.00 on Callata ($99 a month with 5 users included, then $20 per additional user).

Do I need to register to text customers from a California number?

Yes. US carriers require business texting from local numbers to be registered (10DLC). On Callata the registration is a one-time $49 fee, and texting turns on once it is approved.