Businesses in Nassau, New York

As of October 8, 2026, ListRiver's records show 497 active registered businesses in Nassau, New York. 68% are LLCs. 4 were formed in September 2026.

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

Businesses on record

497

Formed in the last 12 months

Formed in September

With a registered agent

17%

86 records

New Nassau businesses per month

Businesses on record by formation month, through September 2026. Monthly New York new-business reports · Get the list of 4 new businesses formed in September 2026

Entity types

LLCs340 · 68%
Corporations141 · 28%
Other13 · 3%
Nonprofits2 · 0%
Limited partnerships1 · 0%

Top ZIP codes

ZIP 12123456 · 92%
ZIP 115816 · 1%
ZIP 115664 · 1%
ZIP 120624 · 1%
ZIP 115543 · 1%
ZIP 121332 · 0%
ZIP 115422 · 0%
ZIP 115802 · 0%
ZIP 118012 · 0%
ZIP 115182 · 0%
ZIP 110031 · 0%
ZIP 115631 · 0%
ZIP 115501 · 0%
ZIP 115701 · 0%
ZIP 110011 · 0%

Newest business names registered in Nassau

Get all 497 Nassau businesses · see price Just the 8 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	Nassau	LLC	Sep 2026
Name hidden	Nassau	LLC	Sep 2026
Name hidden	Nassau	LLC	Sep 2026
Name hidden	Nassau	LLC	Sep 2026
Name hidden	Nassau	LLC	Aug 2026
Name hidden	Nassau	LLC	Aug 2026
Name hidden	Nassau	LLC	Aug 2026
Name hidden	Nassau	LLC	Aug 2026
Name hidden	Nassau	LLC	Jul 2026
Name hidden	Nassau	LLC	Jul 2026
Name hidden	Nassau	LLC	Jul 2026
Name hidden	Nassau	LLC	Jul 2026
Name hidden	Nassau	LLC	Jun 2026
Name hidden	Nassau	LLC	Jun 2026
Name hidden	Nassau	LLC	Jun 2026
Name hidden	Nassau	LLC	May 2026
Name hidden	Nassau	LLC	May 2026
Name hidden	Nassau	LLC	Apr 2026
Name hidden	Nassau	LLC	Apr 2026
Name hidden	Nassau	Nonprofit	Mar 2026
Name hidden	Nassau	LLC	Mar 2026
Name hidden	Nassau	LLC	Mar 2026
Name hidden	Nassau	LLC	Mar 2026
Name hidden	Nassau	LLC	Mar 2026
Name hidden	Nassau	LLC	Mar 2026

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Common questions about Nassau businesses

How many businesses are registered in Nassau, New York?

ListRiver has 497 active registered businesses in Nassau, 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 Nassau, New York in September 2026?

4 businesses on record in Nassau, New York were formed in September 2026.

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

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

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

LLCs are the most common: 340 of 497 businesses on record (68%), followed by Corporations with 141 (28%).

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 Nassau, New York?

Use ListRiver's list builder to filter Nassau, 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.

More New York business lists

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<div style="max-width:520px"><iframe src="https://listriver.com/embed/new-businesses/new-york/nassau" title="New businesses in Nassau, 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/nassau">Businesses in Nassau, 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.