Businesses in Dorchester, Iowa

As of October 12, 2026, ListRiver's records show 55 active registered businesses in Dorchester, Iowa. 82% are LLCs. 1 were formed in September 2026.

From official Iowa registry records, updated weekly. Most Dorchester businesses are in Allamakee County. Look up a Iowa business by name.

Businesses on record

Formed in the last 12 months

Formed in September

With a phone number

15%

8 records

New Dorchester businesses per month

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

Entity types

LLCs45 · 82%
Corporations7 · 13%
Nonprofits3 · 5%

Top ZIP codes

ZIP 5214054 · 98%
ZIP 521721 · 2%

Newest business names registered in Dorchester

Get all 55 Dorchester businesses · see price Just the 1 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	Dorchester	LLC	Sep 2026
Name hidden	Dorchester	LLC	Jun 2026
Name hidden	Dorchester	LLC	May 2026
Name hidden	Dorchester	LLC	Apr 2026
Name hidden	Dorchester	LLC	Mar 2026
Name hidden	Dorchester	LLC	Feb 2026
Name hidden	Dorchester	LLC	Feb 2026
Name hidden	Dorchester	LLC	Jan 2026
Name hidden	Dorchester	LLC	Sep 2025
Name hidden	Dorchester	LLC	Aug 2025
Name hidden	Dorchester	LLC	Aug 2025
Name hidden	Dorchester	LLC	Apr 2025
Name hidden	Dorchester	LLC	Apr 2025
Name hidden	Dorchester	LLC	Feb 2025
Name hidden	Dorchester	LLC	Jan 2025
Name hidden	Dorchester	LLC	Aug 2024
Name hidden	Dorchester	LLC	Jun 2024
Name hidden	Dorchester	LLC	Apr 2024
Name hidden	Dorchester	LLC	Apr 2024
Name hidden	Dorchester	LLC	Mar 2024
Name hidden	Dorchester	LLC	Jan 2024
Name hidden	Dorchester	LLC	Sep 2023
Name hidden	Dorchester	LLC	Sep 2023
Name hidden	Dorchester	LLC	May 2023
Name hidden	Dorchester	LLC	Apr 2023

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Common questions about Dorchester businesses

How many businesses are registered in Dorchester, Iowa?

ListRiver has 55 active registered businesses in Dorchester, Iowa on record as of October 12, 2026, from official Iowa business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in Dorchester, Iowa in September 2026?

1 businesses on record in Dorchester, Iowa were formed in September 2026.

How many new businesses opened in Dorchester, Iowa in the last 12 months?

8 businesses on record in Dorchester, Iowa were formed in the 12 months through September 2026.

What is the most common type of business in Dorchester, Iowa?

LLCs are the most common: 45 of 55 businesses on record (82%), followed by Corporations with 7 (13%).

Where does this data come from?

From Iowa'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 Dorchester, Iowa?

Use ListRiver's list builder to filter Dorchester, Iowa 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/iowa/dorchester" title="New businesses in Dorchester, Iowa 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/iowa/dorchester">Businesses in Dorchester, Iowa</a>, ListRiver</p></div>

About this data

Counts come from official Iowa business registry records on file with ListRiver, current as of October 12, 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.