Business phone system for architectural services firms

Architectural services firms in the United States

County Business Patterns counted 22,805 architectural services firms in the U.S. in 2023 (NAICS 541310, Architectural Services). They employed 189,468 people in mid-March and paid $18.7 billion in annual payroll. The average establishment has 8.3 employees. That is 6.7 establishments for every 100,000 residents.

California has the most (3,723), followed by New York (2,099), Florida (1,741), and Texas (1,641). Relative to population, District of Columbia leads with 24.4 per 100,000 residents, and West Virginia has the fewest at 1.5.

Why the phone matters for architectural services firms

Architects coordinate clients, consultants, contractors and permitting offices across long projects. Calls need to reach the project lead, and summaries of decisions help keep teams aligned.

Calls architectural services firms commonly handle:

• A homeowner calls about designing an addition.
• A contractor calls with a question about drawings.
• A permitting office calls about a submission.
• The firm calls a client to review a design.
• An engineer calls about structural details.

Texting and after-hours calls

Firms text meeting confirmations and site-visit times.

After-hours calls are usually not urgent.

How big architectural services firms are

63.6% of U.S. architectural services firms with employees had fewer than five people in March 2023. 81.2% had fewer than ten. Most phone decisions in this industry are made for small teams, where one shared number and sensible routing matter more than a desk phone per person.

Architectural services firms by state

Establishment counts for the 51 states (and DC) where Census published a figure, with the rate per 100,000 residents.

Largest metro areas for architectural services firms

Census published architecture firm counts for 431 metro and micropolitan areas. The 25 largest:

What a phone system costs an architecture firm in the U.S.

The average U.S. architecture firm has 8.3 employees, so the comparison uses an 8-person team. Per-seat business phone plans bill every one of those people. At month-to-month list prices checked September 28, 2026, 8 users on RingCentral RingEX Core cost $240.00 a month and 8 on Ooma Office Pro cost $199.60. On Callata the same 8 people cost $159.00 a month, less than either per-seat plan.

The annual difference against RingCentral's monthly list price comes to $972. Some vendors discount annual contracts; the table shows month-to-month prices.

How Callata works for architectural services 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.

Existing numbers can be ported at no charge, and team texting turns on after the one-time $49 carrier registration (10DLC) is approved.

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.