Businesses in Prospect Heights, Illinois

As of October 20, 2026, ListRiver's records show 1,442 active registered businesses in Prospect Heights, Illinois. 50% are Corporations. 16 were formed in September 2026.

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

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Businesses on record

1,442

Formed in the last 12 months

180

Formed in September

With a phone number

105 records

New Prospect Heights businesses per month

Businesses on record by formation month, through September 2026. Monthly Illinois new-business reports · Get the list of 16 new businesses formed in September 2026

Entity types

Corporations716 · 50%
LLCs669 · 46%
Nonprofits57 · 4%

Top ZIP codes

ZIP 600701,437 · 100%
ZIP 600711 · 0%
ZIP 600561 · 0%
ZIP 600041 · 0%
ZIP 600771 · 0%
ZIP 600901 · 0%

Newest business names registered in Prospect Heights

Get all 1,442 Prospect Heights businesses · see price Just the 52 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	Prospect Heights	LLC	Oct 2026
Name hidden	Prospect Heights	LLC	Oct 2026
Name hidden	Prospect Heights	LLC	Oct 2026
Name hidden	Prospect Heights	LLC	Oct 2026
Name hidden	Prospect Heights	LLC	Oct 2026
Name hidden	Prospect Heights	LLC	Oct 2026
Name hidden	Prospect Heights	LLC	Oct 2026
Name hidden	Prospect Heights	LLC	Oct 2026
Name hidden	Prospect Heights	LLC	Oct 2026
Name hidden	Prospect Heights	LLC	Oct 2026
Name hidden	Prospect Heights	LLC	Oct 2026
Name hidden	Prospect Heights	Corporation	Oct 2026
Name hidden	Prospect Heights	Corporation	Oct 2026
Name hidden	Prospect Heights	Corporation	Oct 2026
Name hidden	Prospect Heights	LLC	Sep 2026
Name hidden	Prospect Heights	LLC	Sep 2026
Name hidden	Prospect Heights	LLC	Sep 2026
Name hidden	Prospect Heights	LLC	Sep 2026
Name hidden	Prospect Heights	LLC	Sep 2026
Name hidden	Prospect Heights	LLC	Sep 2026
Name hidden	Prospect Heights	LLC	Sep 2026
Name hidden	Prospect Heights	LLC	Sep 2026
Name hidden	Prospect Heights	LLC	Sep 2026
Name hidden	Prospect Heights	LLC	Sep 2026
Name hidden	Prospect Heights	LLC	Sep 2026

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Common questions about Prospect Heights businesses

How many businesses are registered in Prospect Heights, Illinois?

ListRiver has 1,442 active registered businesses in Prospect Heights, 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 Prospect Heights, Illinois in September 2026?

16 businesses on record in Prospect Heights, Illinois were formed in September 2026.

How many new businesses opened in Prospect Heights, Illinois in the last 12 months?

180 businesses on record in Prospect Heights, Illinois were formed in the 12 months through September 2026.

What is the most common type of business in Prospect Heights, Illinois?

Corporations are the most common: 716 of 1,442 businesses on record (50%), followed by LLCs with 669 (46%).

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 Prospect Heights, Illinois?

Use ListRiver's list builder to filter Prospect Heights, 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/prospect-heights" title="New businesses in Prospect Heights, 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/prospect-heights">Businesses in Prospect Heights, 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.