Businesses in Swansea, Illinois

As of October 20, 2026, ListRiver's records show 803 active registered businesses in Swansea, Illinois. 67% are LLCs. 15 were formed in September 2026.

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

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Businesses on record

803

Formed in the last 12 months

135

Formed in September

With a phone number

14%

114 records

New Swansea businesses per month

Businesses on record by formation month, through September 2026. Monthly Illinois new-business reports · Get the list of 15 new businesses formed in September 2026

Entity types

LLCs541 · 67%
Corporations189 · 24%
Nonprofits73 · 9%

Top ZIP codes

ZIP 62226787 · 98%
ZIP 622218 · 1%
ZIP 622602 · 0%
ZIP 622232 · 0%
ZIP 622692 · 0%
ZIP 620401 · 0%
ZIP 622201 · 0%

Newest business names registered in Swansea

Get all 803 Swansea businesses · see price Just the 35 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	Swansea	LLC	Oct 2026
Name hidden	Swansea	LLC	Oct 2026
Name hidden	Swansea	LLC	Oct 2026
Name hidden	Swansea	LLC	Oct 2026
Name hidden	Swansea	LLC	Oct 2026
Name hidden	Swansea	LLC	Oct 2026
Name hidden	Swansea	LLC	Oct 2026
Name hidden	Swansea	LLC	Oct 2026
Name hidden	Swansea	Corporation	Oct 2026
Name hidden	Swansea	Corporation	Oct 2026
Name hidden	Swansea	LLC	Sep 2026
Name hidden	Swansea	LLC	Sep 2026
Name hidden	Swansea	LLC	Sep 2026
Name hidden	Swansea	LLC	Sep 2026
Name hidden	Swansea	LLC	Sep 2026
Name hidden	Swansea	LLC	Sep 2026
Name hidden	Swansea	LLC	Sep 2026
Name hidden	Swansea	LLC	Sep 2026
Name hidden	Swansea	LLC	Sep 2026
Name hidden	Swansea	LLC	Sep 2026
Name hidden	Swansea	LLC	Sep 2026
Name hidden	Swansea	LLC	Sep 2026
Name hidden	Swansea	LLC	Sep 2026
Name hidden	Swansea	LLC	Sep 2026
Name hidden	Swansea	Nonprofit	Sep 2026

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Common questions about Swansea businesses

How many businesses are registered in Swansea, Illinois?

ListRiver has 803 active registered businesses in Swansea, 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 Swansea, Illinois in September 2026?

15 businesses on record in Swansea, Illinois were formed in September 2026.

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

135 businesses on record in Swansea, Illinois were formed in the 12 months through September 2026.

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

LLCs are the most common: 541 of 803 businesses on record (67%), followed by Corporations with 189 (24%).

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 Swansea, Illinois?

Use ListRiver's list builder to filter Swansea, 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/swansea" title="New businesses in Swansea, 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/swansea">Businesses in Swansea, 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.