CallataGuidesBusiness phone system for investment advice firms in Houston, TX
Investment advice firms in the Houston-Pasadena-The Woodlands, TX metro area: 424 establishments in 2023, the local area codes, and what phone service costs a 4-person team.
- Establishments
- 424CBP 2023
- Employees
- 1,785mid-March 2023
- Per 100k residents
- 5.4U.S. 6.9
- Rank
- 13th of 478areas by count
Investment advice firms in Houston, TX by the numbers
There were 424 investment advice firms in the Houston-Pasadena-The Woodlands, TX metro area in 2023, according to Census County Business Patterns (NAICS 523930, Investment Advice). They employed 1,785 people in mid-March and paid $410.6 million in annual payroll. By establishment count the area is 13th out of 478 areas with published figures for investment advice firms.
Measured against its 7.8 million residents (2024 estimate), the area has 5.4 investment advice firms per 100,000 people; the U.S. rate is 6.9, so Houston, TX is 20.8% below the national figure. The average establishment here has 4.2 employees, compared with 4.7 nationally. Payroll per employee comes to $230,008, 37.1% above the national $167,820.
| Measure | Houston, TX | Texas | United States |
|---|---|---|---|
| Establishments | 424 | 1,764 | 23,359 |
| Mid-March employees | 1,785 | 8,147 (moderate noise) | 110,125 |
| Annual payroll | $410,564,000 | $1,281,464,000 | $18,481,170,000 |
| Employees per establishment | 4.2 | 4.6 | 4.7 |
| Payroll per employee | $230,008 | $157,293 | $167,820 |
| Establishments per 100,000 residents | 5.4 | 5.6 | 6.9 |
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 investment advice firms in Houston, TX are
Of the investment advice firms in Houston, TX that had employees in March 2023, 83.9% had fewer than five (the U.S. share is 84.5%). 92.9% had fewer than ten. Small teams usually share the phone: the person who answers is often also serving a customer or doing the job, which is when calls get missed.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 354 | 83.9% | 84.5% |
| 5–9 employees | 38 | 9.0% | 9.4% |
| 10–19 employees | 20 | 4.7% | 3.4% |
| 20–49 employees | 5 | 1.2% | 1.7% |
| 50 or more employees | 5 | 1.2% | 1.1% |
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.
Calls a financial advisory firm in Houston, TX has to catch
Advisory firms build long relationships, so the phone experience reflects on the practice. Clients call about market moves, transfers and planning meetings, and those conversations often need to be documented. That holds for investment advice firms in Houston, TX as much as anywhere.
A few of the calls that come in to investment advice firms in Houston, TX:
- A prospect calls after a referral from a friend.
- A custodian calls about a transfer.
- The firm calls a client to confirm a distribution request.
Texting clients
Firms text meeting reminders; many keep account discussions off text to meet recordkeeping rules.
Texts sent from a local business number in Houston, TX have to be registered with carriers first (10DLC); on Callata that is a one-time $49 fee, after which the whole team can text from the shared number.
Phone system pricing for a 4-person financial advisory firm
The average financial advisory firm in Houston, TX has 4.2 employees, so a 4-person team is a reasonable benchmark. Priced per seat, 4 users would run $120.00 a month on RingCentral RingEX Core and $99.80 on Ooma Office Pro (month-to-month list prices, checked September 28, 2026). Callata comes to $99.00 a month for 4 users ($99 a month with 5 users included, then $20 per additional user), below both.
Over a year, that is $252 less than RingCentral for a financial advisory firm in Houston, TX of that size. Annual contracts lower some competitors' prices, so compare the plan you would actually sign.
| 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 | $76.00 | $912.00 |
| Nextiva (Core) | $23.00 per user | $92.00 | $1,104.00 |
| Ooma (Office Pro) | $24.95 per user | $99.80 | $1,197.60 |
| Dialpad (Standard) | $27.00 per user | $108.00 | $1,296.00 |
| RingCentral (RingEX Core) | $30.00 per user | $120.00 | $1,440.00 |
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 Houston, TX
NANPA records place the exchanges of the area's named cities and towns in 8 area codes. 713 has the most, with 747 of 2,385 exchanges (31%). A local number lets clients in Houston, TX call without dialing out of area. Callata includes up to 3 local numbers, and which numbers are open in an area code depends on carrier inventory when you choose.
| Area code | Exchanges | Time zone | In service since | Overlay with |
|---|---|---|---|---|
| 713 | 747 | Central | 1947 | 281, 346, 621, 832 |
| 832 | 547 | Central | 1999 | 281, 346, 713 |
| 281 | 393 | Central | 1996 | 346, 621, 713, 832 |
| 346 | 382 | Central | 2014 | 281, 621, 713, 832 |
| 936 | 144 | Central | 2000 | none |
| 979 | 100 | Central | 2000 | none |
| 409 | 71 | Central | 1982 | none |
| 806 | 1 | Central | 1957 | none |
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 investment advice firms
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.
Porting a number you already use in Houston, TX is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.
AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.
Registered firms should check their books-and-records obligations before texting clients about accounts.
Frequently asked questions
How many investment advice firms are there in Houston, TX?
Census County Business Patterns counted 424 investment advice firms in the Houston-Pasadena-The Woodlands, TX metro area in 2023. They employed 1,785 people in mid-March.
What does a business phone system cost for a 4-person financial advisory firm?
At month-to-month list prices checked September 28, 2026, 4 users cost $120.00 a month on RingCentral RingEX Core and $99.80 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 financial advisory firm in Houston, TX use?
Area code 713 has the most assigned exchanges among the area's named places, followed by 832 and 281. If you already have a local number, you can port it to Callata for free.
Can an AI receptionist answer calls for a financial advisory firm?
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. Registered firms should check their books-and-records obligations before texting clients about accounts.