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Business phone system for human resources consulting firms in Maryland

191 human resources consulting firms operated in Maryland in 2023. Where they are, how big their teams are, and what phone service costs them.

Establishments
191CBP 2023
Employees
1,411mid-March 2023
Per 100k residents
3.0U.S. 2.5
State rank
17th of 51by count

Human resources consulting firms in Maryland by the numbers

The Census Bureau counted 191 human resources consulting firms in Maryland in its 2023 County Business Patterns (NAICS 541612). They employed 1,411 people in mid-March and reported $146.7 million in annual payroll. That is the 17th highest count among the 51 states and DC with published figures. Human resources consulting firms make up 0.13% of the 142,967 business establishments in the state.

Per 100,000 residents (2024 estimate) Maryland has 3.0 human resources consulting firms, 21.6% above the national rate of 2.5. The average establishment has 7.4 employees against 15.7 nationally. Payroll per employee is $103,998, 8.3% above the U.S. figure of $96,006.

Human resources consulting firms: Maryland compared with the U.S., 2023
MeasureMarylandUnited States
Establishments1918,526
Mid-March employees1,411134,151
Annual payroll$146,741,000$12,879,341,000
Employees per establishment7.415.7
Payroll per employee$103,998$96,006
Establishments per 100,000 residents3.02.5

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 human resources consulting firms in Maryland are concentrated

Census published HR consulting firm counts for 4 metro or micropolitan areas that include part of Maryland. The largest is Washington, DC-VA-MD-WV, with 292 establishments (a multi-state area; its count covers every state it spans). Single-state metro and micropolitan areas account for 51% of the statewide total; the rest are outside any published area or in areas Census suppressed.

Human resources consulting firms by metro or micropolitan area, Maryland, 2023
AreaEstablishmentsEmployeesPer 100k residents
Washington, DC-VA-MD-WV2924,1884.5
Philadelphia, PA-NJ-DE-MD2265,9373.6
Baltimore, MD988443.4
Hagerstown, MD-WV5—1.6

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

Team sizes at human resources consulting firms in Maryland

71.4% of Maryland's human resources consulting firms with employees had fewer than five people in March 2023, compared with 74.5% nationally. 85.2% 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.

Human resources consulting firms in Maryland by employment size, 2023
Employment sizeEstablishmentsShareU.S. share
1–4 employees13571.4%74.5%
5–9 employees2613.8%9.8%
10–19 employees179.0%6.0%
20–49 employees63.2%4.8%
50 or more employees52.6%4.9%

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 human resources consulting firms in Maryland use the phone for

HR consultants are often the first call when an employer faces a personnel issue, so clients expect a quick response. Those calls can involve sensitive information that should go to the right person directly.

Typical inbound and outbound calls for human resources consulting firms in Maryland:

When nobody can pick up

After-hours messages are usually routine, though employee incidents can be urgent.

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

Callata vs. per-seat pricing for human resources consulting firms in Maryland

Human resources consulting firms in Maryland average 7.4 employees, so the comparison uses a 7-person team. Priced per seat, 7 users would run $210.00 a month on RingCentral RingEX Core and $174.65 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). On Callata the same 7 people cost $139.00 a month, less than either per-seat plan.

The annual difference against RingCentral's monthly list price comes to $852. Some vendors discount annual contracts; the table shows month-to-month prices.

Monthly list price for a 7-person HR consulting firm
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$139.00$1,668.00
Quo (Starter)$19.00 per user$133.00$1,596.00
Nextiva (Core)$23.00 per user$161.00$1,932.00
Ooma (Office Pro)$24.95 per user$174.65$2,095.80
Dialpad (Standard)$27.00 per user$189.00$2,268.00
RingCentral (RingEX Core)$30.00 per user$210.00$2,520.00

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 Maryland

Maryland has 6 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 Maryland by assigned exchanges
Area codeExchangesTime zoneIn service sinceOverlay with
240785Eastern1997227, 301
443785Eastern1997410, 667
301784Eastern1947240, 227
410783Eastern1991443, 667
667452Eastern2012410, 443
227141Eastern2023240, 301

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 human resources consulting firms in Maryland

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 Maryland, 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 human resources consulting firms are in Maryland?

191 in 2023, according to Census County Business Patterns. They employed 1,411 people in mid-March.

Which Maryland metro area has the most human resources consulting firms?

Washington, DC-VA-MD-WV, with 292 establishments in 2023.

What does a phone system cost a 7-person HR consulting firm?

$210.00 a month on RingCentral RingEX Core or $174.65 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $139.00 on Callata ($99 a month with 5 users included, then $20 per additional user).

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