Businesses in Port Chester, New York

As of October 15, 2026, ListRiver's records show 4,975 active registered businesses in Port Chester, New York. 52% are LLCs. 33 were formed in September 2026.

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

Businesses on record
4,975
Formed in the last 12 months
323
Formed in September
33
With a registered agent
20%
975 records

New Port Chester businesses per month

02040Oct 2024: 16Oct 24Nov 2024: 14Dec 2024: 13Jan 2025: 232025Feb 2025: 34Mar 2025: 27Apr 2025: 27May 2025: 27Jun 2025: 23Jul 2025: 24Aug 2025: 21Sep 2025: 33Oct 2025: 19Nov 2025: 17Dec 2025: 19Jan 2026: 372026Feb 2026: 25Mar 2026: 33Apr 2026: 36May 2026: 22Jun 2026: 34Jul 2026: 26Aug 2026: 22Sep 2026: 33

Businesses on record by formation month, through September 2026. Monthly New York new-business reports · Get the list of 33 new businesses formed in September 2026

Entity types

  • LLCs2,607 · 52%
  • Corporations2,192 · 44%
  • Other141 · 3%
  • Limited partnerships20 · 0%
  • LLPs10 · 0%
  • Nonprofits5 · 0%

Top ZIP codes

Newest business names registered in Port Chester

Opens the list builder with Port Chester already selected, so you see the exact count and price before you buy. Your list includes addresses, counties, registered agents and more.

See the business names

Enter your email and we'll send you a 6-digit code. Confirm it to see the newest businesses registered in Port Chester, and on every ListRiver business-list page for 30 days. Free, no account needed.

We may send you occasional emails about ListRiver business data; unsubscribe any time. Privacy · Members: sign in

We emailed a 6-digit code to . Enter it here, or click the link in the email.

Not there? Check your spam or promotions folder.

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.

BusinessCityTypeFormed
Name hiddenPort ChesterLLCOct 2026
Name hiddenPort ChesterLLCOct 2026
Name hiddenPort ChesterLLCOct 2026
Name hiddenPort ChesterLLCOct 2026
Name hiddenPort ChesterLLCOct 2026
Name hiddenPort ChesterLLCOct 2026
Name hiddenPort ChesterLLCOct 2026
Name hiddenPort ChesterLLCOct 2026
Name hiddenPort ChesterCorporationOct 2026
Name hiddenPort ChesterLLCOct 2026
Name hiddenPort ChesterCorporationSep 2026
Name hiddenPort ChesterCorporationSep 2026
Name hiddenPort ChesterLLCSep 2026
Name hiddenPort ChesterLLCSep 2026
Name hiddenPort ChesterLLCSep 2026
Name hiddenPort ChesterCorporationSep 2026
Name hiddenPort ChesterCorporationSep 2026
Name hiddenPort ChesterCorporationSep 2026
Name hiddenPort ChesterCorporationSep 2026
Name hiddenPort ChesterLLCSep 2026
Name hiddenPort ChesterLLCSep 2026
Name hiddenPort ChesterCorporationSep 2026
Name hiddenPort ChesterLLCSep 2026
Name hiddenPort ChesterLLCSep 2026
Name hiddenPort ChesterCorporationSep 2026

Build your Port Chester business list

See the exact count and price as you filter by county, city, ZIP, entity type and formation date. Download a CSV right away and get monthly refreshes. Verified businesses can pay 20% today and the rest over 6 months with Pay-in-6™, building business credit as they pay.

Own a business in Port Chester?

Before a lender reads your application, its verification system checks your state filing, your exact legal name and your domain against each other. When they don't agree, you're declined and never told why.

Run the same checks free with our affiliated company, Peak Discounters. No account, no card, under a minute.

Common questions about Port Chester businesses

How many businesses are registered in Port Chester, New York?

ListRiver has 4,975 active registered businesses in Port Chester, New York on record as of October 15, 2026, from official New York business registry data. Dissolved and defunct businesses are not counted.

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

33 businesses on record in Port Chester, New York were formed in September 2026.

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

323 businesses on record in Port Chester, New York were formed in the 12 months through September 2026.

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

LLCs are the most common: 2,607 of 4,975 businesses on record (52%), followed by Corporations with 2,192 (44%).

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 Port Chester, New York?

Use ListRiver's list builder to filter Port Chester, 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

Put this chart on your website

Free to use on any site, and it updates itself every month. Copy this code and paste it into your page. Preview the chart.

About this data

Counts come from official New York business registry records on file with ListRiver, current as of October 15, 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.