Businesses in Mount Carroll, Illinois

As of October 20, 2026, ListRiver's records show 148 active registered businesses in Mount Carroll, Illinois. 59% are LLCs. 1 were formed in September 2026.

From official Illinois registry records, updated weekly. Most Mount Carroll businesses are in Carroll County. Look up a Illinois business by name.

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Businesses on record

148

Formed in the last 12 months

Formed in September

With a phone number

18%

26 records

New Mount Carroll businesses per month

Businesses on record by formation month, through September 2026. Monthly Illinois new-business reports · Get the list of 1 new businesses formed in September 2026

Entity types

LLCs87 · 59%
Corporations33 · 22%
Nonprofits27 · 18%
Limited partnerships1 · 1%

Newest business names registered in Mount Carroll

Get all 148 Mount Carroll businesses · see price Just the 3 formed in the last 90 days · see price

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This is a small sample, not the full list. To keep automated scrapers from copying our data, we only show a handful of records on public pages. Your downloaded list includes every matching business.

Business	City	Type	Formed
Name hidden	Mount Carroll	LLC	Oct 2026
Name hidden	Mount Carroll	LLC	Sep 2026
Name hidden	Mount Carroll	LLC	Aug 2026
Name hidden	Mount Carroll	LLC	Jul 2026
Name hidden	Mount Carroll	LLC	Jul 2026
Name hidden	Mount Carroll	LLC	Jul 2026
Name hidden	Mount Carroll	LLC	Jul 2026
Name hidden	Mount Carroll	Nonprofit	Jul 2026
Name hidden	Mount Carroll	Nonprofit	Jun 2026
Name hidden	Mount Carroll	LLC	May 2026
Name hidden	Mount Carroll	LLC	Apr 2026
Name hidden	Mount Carroll	LLC	Apr 2026
Name hidden	Mount Carroll	LLC	Feb 2026
Name hidden	Mount Carroll	LLC	Feb 2026
Name hidden	Mount Carroll	LLC	Feb 2026
Name hidden	Mount Carroll	LLC	Feb 2026
Name hidden	Mount Carroll	LLC	Jan 2026
Name hidden	Mount Carroll	LLC	Jan 2026
Name hidden	Mount Carroll	LLC	Dec 2025
Name hidden	Mount Carroll	LLC	Dec 2025
Name hidden	Mount Carroll	LLC	Oct 2025
Name hidden	Mount Carroll	LLC	Jun 2025
Name hidden	Mount Carroll	LLC	May 2025
Name hidden	Mount Carroll	LLC	May 2025
Name hidden	Mount Carroll	Nonprofit	May 2025

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Common questions about Mount Carroll businesses

How many businesses are registered in Mount Carroll, Illinois?

ListRiver has 148 active registered businesses in Mount Carroll, Illinois on record as of October 20, 2026, from official Illinois business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in Mount Carroll, Illinois in September 2026?

1 businesses on record in Mount Carroll, Illinois were formed in September 2026.

How many new businesses opened in Mount Carroll, Illinois in the last 12 months?

20 businesses on record in Mount Carroll, Illinois were formed in the 12 months through September 2026.

What is the most common type of business in Mount Carroll, Illinois?

LLCs are the most common: 87 of 148 businesses on record (59%), followed by Corporations with 33 (22%).

Where does this data come from?

From Illinois's official business registry. ListRiver loads each new state file, standardizes it, removes duplicates and updates its database weekly. Email and industry details are added from SMBCredit.net where available.

How do I get a list of businesses in Mount Carroll, Illinois?

Use ListRiver's list builder to filter Mount Carroll, Illinois businesses by entity type, formation date, industry and contact details, see the exact count and price, and download a CSV. Every list includes monthly refresh files.

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<div style="max-width:520px"><iframe src="https://listriver.com/embed/new-businesses/illinois/mount-carroll" title="New businesses in Mount Carroll, Illinois by month" width="100%" height="370" style="border:0" loading="lazy"></iframe><p style="font:13px sans-serif;margin:4px 0 0">Source: <a href="https://listriver.com/business-lists/illinois/mount-carroll">Businesses in Mount Carroll, Illinois</a>, ListRiver</p></div>

About this data

Counts come from official Illinois business registry records on file with ListRiver, current as of October 20, 2026. They include businesses that are active on the state register; dissolved and defunct entities are excluded. Contact details are added from SMBCredit.net where available. Formation months reflect the registration date the state reports. See the methodology for sources, update schedules and known limits.