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Business phone system for payroll services firms in Missouri

80 payroll services firms operated in Missouri in 2023. Where they are, how big their teams are, and what phone service costs them.

Establishments
80CBP 2023
Employees
4,032mid-March 2023
Per 100k residents
1.3U.S. 1.6
State rank
24th of 51by count

The payroll and bookkeeping firm industry in Missouri

Missouri had 80 payroll services firms in 2023, according to Census County Business Patterns (NAICS 541214, Payroll Services). They employed 4,032 people in mid-March and reported $213.7 million in annual payroll. That is the 24th highest count among the 51 states and DC with published figures. Payroll services firms make up 0.05% of the 151,475 business establishments in the state.

Per 100,000 residents (2024 estimate) Missouri has 1.3 payroll services firms, 21.6% below the national rate of 1.6. The average establishment has 50.4 employees against 55.7 nationally. Payroll per employee is $53,007, 20.0% below the U.S. figure of $66,265.

Payroll services firms: Missouri compared with the U.S., 2023
MeasureMissouriUnited States
Establishments805,556
Mid-March employees4,032309,518
Annual payroll$213,725,000$20,510,140,000
Employees per establishment50.455.7
Payroll per employee$53,007$66,265
Establishments per 100,000 residents1.31.6

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 payroll services firms in Missouri are concentrated

Census published payroll and bookkeeping firm counts for 6 metro or micropolitan areas that include part of Missouri. The largest is St. Louis, MO-IL, with 40 establishments (a multi-state area; its count covers every state it spans). Single-state metro and micropolitan areas account for 16% of the statewide total; the rest are outside any published area or in areas Census suppressed.

Payroll services firms by metro or micropolitan area, Missouri, 2023
AreaEstablishmentsEmployeesPer 100k residents
St. Louis, MO-IL408981.4
Kansas City, MO-KS237931.0
Columbia, MO66792.7
Springfield, MO41900.8
Jefferson City, MO3—2.0
Cape Girardeau, MO-IL3—3.0

Source: Census County Business Patterns 2023; population from Census Vintage 2024 estimates.

Team sizes at payroll services firms in Missouri

46.2% of Missouri's payroll services firms with employees had fewer than five people in March 2023, compared with 46.0% nationally. 56.4% 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.

Payroll services firms in Missouri by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees3646.2%46.0%
5–9 employees810.3%14.1%
10–19 employees56.4%12.3%
20–49 employees1316.7%12.5%
50 or more employees1620.5%15.1%

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.

Why the phone matters for payroll services firms in Missouri

Payroll providers work on fixed deadlines, and a client who cannot reach them on payday is a client at risk. Calls about new hires, tax notices and pay corrections need to reach the right specialist quickly.

A few of the calls that come in to payroll services firms in Missouri:

When nobody can pick up

Payday-eve calls benefit from an urgent flag so specialists can respond before the cutoff.

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 payroll and bookkeeping firm in Missouri

Payroll services firms in Missouri average 50.4 employees, so the comparison uses a 50-person team. Priced per seat, 50 users would run $1,500.00 a month on RingCentral RingEX Core and $1,247.50 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). On Callata the same 50 people cost $999.00 a month, less than either per-seat plan.

The annual difference against RingCentral's monthly list price comes to $6,012. Some vendors discount annual contracts; the table shows month-to-month prices.

Monthly list price for a 50-person payroll and bookkeeping firm
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$999.00$11,988.00
Quo (Starter)$19.00 per user$950.00$11,400.00
Nextiva (Core)$23.00 per user$1,150.00$13,800.00
Ooma (Office Pro)$24.95 per user$1,247.50$14,970.00
Dialpad (Standard)$27.00 per user$1,350.00$16,200.00
RingCentral (RingEX Core)$30.00 per user$1,500.00$18,000.00

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 Missouri

Missouri has 9 geographic area codes in service according to NANPA. You can choose local numbers in the area codes your business clients know, subject to carrier inventory, or port your current number for free.

Area codes in Missouri by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
573786Central1996235
816785Central1947975
314783Central1947557
417711Central1950none
660516Central1997none
636435Central1999none
55783Central2022314
23541Central2024573
97528Central2023816

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 payroll services firms in Missouri

Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.

If you already have a number in Missouri, 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.

Avoid sending bank account or Social Security numbers by text.

Frequently asked questions

How many payroll services firms are in Missouri?

80 in 2023, according to Census County Business Patterns. They employed 4,032 people in mid-March.

Which Missouri metro area has the most payroll services firms?

St. Louis, MO-IL, with 40 establishments in 2023.

What does a phone system cost a 50-person payroll and bookkeeping firm?

$1,500.00 a month on RingCentral RingEX Core or $1,247.50 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $999.00 on Callata ($99 a month with 5 users included, then $20 per additional user).

Do I need to register to text customers from a Missouri 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.