CallataGuidesBusiness phone system for custom computer programming services firms in Michigan
1,374 custom computer programming services firms operated in Michigan in 2023. Where they are, how big their teams are, and what phone service costs them.
- Establishments
- 1,374CBP 2023
- Employees
- 21,253mid-March 2023
- Per 100k residents
- 13.5U.S. 20.0
- State rank
- 16th of 51by count
The custom software firm industry in Michigan
County Business Patterns counts 1,374 establishments in Michigan classified as Custom Computer Programming Services (NAICS 541511) for 2023. They employed 21,253 people in mid-March and reported $2.2 billion in annual payroll. That is the 16th highest count among the 51 states and DC with published figures. Custom computer programming services firms make up 0.60% of the 229,564 business establishments in the state.
Per 100,000 residents (2024 estimate) Michigan has 13.5 custom computer programming services firms, 32.3% below the national rate of 20.0. The average establishment has 15.5 employees against 14.9 nationally. Payroll per employee is $102,933, 17.2% below the U.S. figure of $124,254.
| Measure | Michigan | United States |
|---|---|---|
| Establishments | 1,374 | 68,051 |
| Mid-March employees | 21,253 | 1,012,250 |
| Annual payroll | $2,187,626,000 | $125,775,835,000 |
| Employees per establishment | 15.5 | 14.9 |
| Payroll per employee | $102,933 | $124,254 |
| Establishments per 100,000 residents | 13.5 | 20.0 |
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.
Michigan's largest markets for custom computer programming services firms
Census published custom software firm counts for 23 metro or micropolitan areas that include part of Michigan. The largest is Detroit, MI, with 769 establishments. Single-state metro and micropolitan areas account for 96% of the statewide total; the rest are outside any published area or in areas Census suppressed.
| Area | Establishments | Employees | Per 100k residents |
|---|---|---|---|
| Detroit, MI | 769 | 13,754 | 17.5 |
| Grand Rapids, MI | 184 | 1,433 | 15.6 |
| Ann Arbor, MI | 128 | 1,755 | 34.2 |
| Lansing, MI | 68 | 852 | 14.2 |
| South Bend, IN-MI | 27 | 89 | 8.3 |
| Kalamazoo, MI | 26 | 262 | 9.8 |
| Traverse City, MI | 24 | 136 | 15.3 |
| Flint, MI | 22 | 152 | 5.5 |
| Saginaw, MI | 16 | 91 | 8.5 |
| Jackson, MI | 11 | 19 | 6.9 |
| Muskegon, MI | 9 | 41 | 5.1 |
| Niles, MI | 9 | — | 5.9 |
| Holland, MI | 9 | 52 | 7.4 |
| Battle Creek, MI | 8 | — | 6.0 |
| Marquette, MI | 6 | 48 | 8.8 |
| Midland, MI | 5 | — | 6.0 |
| Petoskey, MI | 5 | — | 14.7 |
| Monroe, MI | 4 | 11 | 2.6 |
| Bay City, MI | 4 | — | 3.9 |
| Adrian, MI | 3 | — | 3.1 |
| Coldwater, MI | 3 | 6 | 6.5 |
| Houghton, MI | 3 | 29 | 7.5 |
| Iron Mountain, MI-WI | 3 | 12 | 9.8 |
Source: Census County Business Patterns 2023; population from Census Vintage 2024 estimates.
Team sizes at custom computer programming services firms in Michigan
64.0% of Michigan's custom computer programming services firms with employees had fewer than five people in March 2023, compared with 72.0% nationally. 76.1% 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.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 877 | 64.0% | 72.0% |
| 5–9 employees | 165 | 12.0% | 10.1% |
| 10–19 employees | 138 | 10.1% | 7.0% |
| 20–49 employees | 115 | 8.4% | 5.9% |
| 50 or more employees | 75 | 5.5% | 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 custom computer programming services firms in Michigan use the phone for
Small software shops juggle client meetings, support requests and sales calls with a team that is mostly heads-down building. A shared line with routing keeps support from interrupting developers while still answering clients.
Typical inbound and outbound calls for custom computer programming services firms in Michigan:
- A partner agency calls about a subcontract.
- A prospect calls to discuss a new app project.
- A client calls to report a bug in production.
After-hours calls
Production issues can come in after hours, so an urgent flag on voicemail helps the on-call developer.
Callata voicemail is transcribed and triaged for urgency, and business-hours routing decides where calls go once you close.
Phone system pricing for a 15-person custom software firm
Custom computer programming services firms in Michigan average 15.5 employees, so the comparison uses a 15-person team. On a per-user plan that headcount sets the bill: $374.25 a month on Ooma Office Pro or $450.00 on RingCentral RingEX Core at list price (checked September 28, 2026). On Callata the same 15 people cost $299.00 a month, less than either per-seat plan.
The annual difference against RingCentral's monthly list price comes to $1,812. Some vendors discount annual contracts; the table shows month-to-month prices.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $299.00 | $3,588.00 |
| Quo (Starter) | $19.00 per user | $285.00 | $3,420.00 |
| Nextiva (Core) | $23.00 per user | $345.00 | $4,140.00 |
| Ooma (Office Pro) | $24.95 per user | $374.25 | $4,491.00 |
| Dialpad (Standard) | $27.00 per user | $405.00 | $4,860.00 |
| RingCentral (RingEX Core) | $30.00 per user | $450.00 | $5,400.00 |
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 Michigan
Michigan has 13 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 code | Exchanges | Time zone | In service since | Overlay with |
|---|---|---|---|---|
| 248 | 784 | Eastern | 1997 | 947 |
| 313 | 769 | Eastern | 1947 | 679 |
| 989 | 724 | Eastern | 2001 | none |
| 734 | 701 | Eastern | 1997 | 679 |
| 517 | 616 | Eastern | 1947 | none |
| 231 | 572 | Eastern | 1999 | none |
| 586 | 546 | Eastern | 2001 | none |
| 269 | 545 | Eastern | 2002 | none |
| 616 | 545 | Eastern | 1947 | none |
| 810 | 509 | Eastern | 1993 | none |
| 906 | 360 | Eastern and Central | 1961 | none |
| 947 | 211 | Eastern | 2002 | 248 |
| 679 | 0 | Eastern | 2025 | 313 |
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 custom computer programming services firms in Michigan
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 Michigan, 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 custom computer programming services firms are in Michigan?
1,374 in 2023, according to Census County Business Patterns. They employed 21,253 people in mid-March.
Which Michigan metro area has the most custom computer programming services firms?
Detroit, MI, with 769 establishments in 2023.
What does a phone system cost a 15-person custom software firm?
$450.00 a month on RingCentral RingEX Core or $374.25 on Ooma Office Pro at month-to-month list prices (checked September 28, 2026); $299.00 on Callata ($99 a month with 5 users included, then $20 per additional user).
Do I need to register to text customers from a Michigan 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.