Businesses in Lake Barrington, Illinois

As of October 20, 2026, ListRiver's records show 533 active registered businesses in Lake Barrington, Illinois. 59% are LLCs. 8 were formed in September 2026.

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

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Businesses on record

533

Formed in the last 12 months

Formed in September

With a phone number

11%

60 records

New Lake Barrington businesses per month

Businesses on record by formation month, through September 2026. Monthly Illinois new-business reports · Get the list of 8 new businesses formed in September 2026

Entity types

LLCs314 · 59%
Corporations181 · 34%
Nonprofits38 · 7%

Top ZIP codes

ZIP 60010519 · 97%
ZIP 6008413 · 2%
ZIP 601101 · 0%

Newest business names registered in Lake Barrington

Get all 533 Lake Barrington businesses · see price Just the 19 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	Lake Barrington	LLC	Oct 2026
Name hidden	Lake Barrington	LLC	Oct 2026
Name hidden	Lake Barrington	LLC	Sep 2026
Name hidden	Lake Barrington	LLC	Sep 2026
Name hidden	Lake Barrington	LLC	Sep 2026
Name hidden	Lake Barrington	LLC	Sep 2026
Name hidden	Lake Barrington	LLC	Sep 2026
Name hidden	Lake Barrington	LLC	Sep 2026
Name hidden	Lake Barrington	LLC	Sep 2026
Name hidden	Lake Barrington	Nonprofit	Sep 2026
Name hidden	Lake Barrington	LLC	Aug 2026
Name hidden	Lake Barrington	LLC	Aug 2026
Name hidden	Lake Barrington	LLC	Aug 2026
Name hidden	Lake Barrington	LLC	Aug 2026
Name hidden	Lake Barrington	LLC	Aug 2026
Name hidden	Lake Barrington	LLC	Aug 2026
Name hidden	Lake Barrington	LLC	Aug 2026
Name hidden	Lake Barrington	LLC	Aug 2026
Name hidden	Lake Barrington	LLC	Aug 2026
Name hidden	Lake Barrington	LLC	Jul 2026
Name hidden	Lake Barrington	LLC	Jul 2026
Name hidden	Lake Barrington	LLC	Jul 2026
Name hidden	Lake Barrington	LLC	Jul 2026
Name hidden	Lake Barrington	LLC	Jul 2026
Name hidden	Lake Barrington	LLC	Jul 2026

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Common questions about Lake Barrington businesses

How many businesses are registered in Lake Barrington, Illinois?

ListRiver has 533 active registered businesses in Lake Barrington, 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 Lake Barrington, Illinois in September 2026?

8 businesses on record in Lake Barrington, Illinois were formed in September 2026.

How many new businesses opened in Lake Barrington, Illinois in the last 12 months?

69 businesses on record in Lake Barrington, Illinois were formed in the 12 months through September 2026.

What is the most common type of business in Lake Barrington, Illinois?

LLCs are the most common: 314 of 533 businesses on record (59%), followed by Corporations with 181 (34%).

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 Lake Barrington, Illinois?

Use ListRiver's list builder to filter Lake Barrington, 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.

More Illinois business lists

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<div style="max-width:520px"><iframe src="https://listriver.com/embed/new-businesses/illinois/lake-barrington" title="New businesses in Lake Barrington, 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/lake-barrington">Businesses in Lake Barrington, 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.