Businesses in Winthrop, New York

As of October 8, 2026, ListRiver's records show 93 active registered businesses in Winthrop, New York. 76% are LLCs.

From official New York registry records, updated weekly. Most Winthrop businesses are in St. Lawrence County. Look up a New York business by name.

Businesses on record

Formed in the last 12 months

Formed in September

With a registered agent

14%

13 records

New Winthrop businesses per month

Businesses on record by formation month, through September 2026. Monthly New York new-business reports

Entity types

LLCs71 · 76%
Corporations21 · 23%
Other1 · 1%

Newest business names registered in Winthrop

Get all 93 Winthrop 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	Winthrop	LLC	Aug 2026
Name hidden	Winthrop	LLC	May 2026
Name hidden	Winthrop	LLC	Apr 2026
Name hidden	Winthrop	LLC	Apr 2026
Name hidden	Winthrop	LLC	Apr 2026
Name hidden	Winthrop	LLC	Feb 2026
Name hidden	Winthrop	LLC	Jan 2026
Name hidden	Winthrop	LLC	Nov 2025
Name hidden	Winthrop	LLC	Nov 2025
Name hidden	Winthrop	LLC	Jul 2025
Name hidden	Winthrop	LLC	Jun 2025
Name hidden	Winthrop	LLC	May 2025
Name hidden	Winthrop	LLC	Mar 2025
Name hidden	Winthrop	LLC	Mar 2025
Name hidden	Winthrop	LLC	Nov 2024
Name hidden	Winthrop	LLC	Oct 2024
Name hidden	Winthrop	LLC	Aug 2024
Name hidden	Winthrop	LLC	Jun 2024
Name hidden	Winthrop	LLC	Apr 2024
Name hidden	Winthrop	LLC	Apr 2024
Name hidden	Winthrop	LLC	Mar 2024
Name hidden	Winthrop	LLC	Feb 2024
Name hidden	Winthrop	LLC	Jan 2024
Name hidden	Winthrop	LLC	Sep 2023
Name hidden	Winthrop	LLC	Aug 2023

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Common questions about Winthrop businesses

How many businesses are registered in Winthrop, New York?

ListRiver has 93 active registered businesses in Winthrop, New York on record as of October 8, 2026, from official New York business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in Winthrop, New York in September 2026?

0 businesses on record in Winthrop, New York were formed in September 2026.

How many new businesses opened in Winthrop, New York in the last 12 months?

9 businesses on record in Winthrop, New York were formed in the 12 months through September 2026.

What is the most common type of business in Winthrop, New York?

LLCs are the most common: 71 of 93 businesses on record (76%), followed by Corporations with 21 (23%).

Where does this data come from?

From New York'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 Winthrop, New York?

Use ListRiver's list builder to filter Winthrop, New York 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/new-york/winthrop" title="New businesses in Winthrop, New York 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/new-york/winthrop">Businesses in Winthrop, New York</a>, ListRiver</p></div>

About this data

Counts come from official New York business registry records on file with ListRiver, current as of October 8, 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.