Businesses in South Jamesport, New York

As of October 8, 2026, ListRiver's records show 62 active registered businesses in South Jamesport, New York. 58% are LLCs.

From official New York registry records, updated weekly. Most South Jamesport businesses are in Suffolk 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

10%

6 records

New South Jamesport businesses per month

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

Entity types

LLCs36 · 58%
Corporations25 · 40%
Other1 · 2%

Top ZIP codes

ZIP 1197060 · 97%
ZIP 117901 · 2%
ZIP 119471 · 2%

Newest business names registered in South Jamesport

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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	South Jamesport	LLC	Jul 2026
Name hidden	South Jamesport	Corporation	Jul 2026
Name hidden	South Jamesport	LLC	Jan 2026
Name hidden	South Jamesport	LLC	Aug 2025
Name hidden	South Jamesport	LLC	Jun 2025
Name hidden	South Jamesport	LLC	Oct 2024
Name hidden	South Jamesport	LLC	Aug 2024
Name hidden	South Jamesport	LLC	Mar 2024
Name hidden	South Jamesport	LLC	Jun 2023
Name hidden	South Jamesport	LLC	Nov 2022
Name hidden	South Jamesport	LLC	Nov 2022
Name hidden	South Jamesport	Corporation	Aug 2022
Name hidden	South Jamesport	LLC	Jun 2022
Name hidden	South Jamesport	LLC	Apr 2022
Name hidden	South Jamesport	LLC	Dec 2021
Name hidden	South Jamesport	LLC	Apr 2021
Name hidden	South Jamesport	LLC	Feb 2021
Name hidden	South Jamesport	LLC	Dec 2020
Name hidden	South Jamesport	Corporation	Oct 2020
Name hidden	South Jamesport	Corporation	Aug 2020
Name hidden	South Jamesport	LLC	Jul 2020
Name hidden	South Jamesport	LLC	Jan 2018
Name hidden	South Jamesport	LLC	Oct 2017
Name hidden	South Jamesport	LLC	Sep 2017
Name hidden	South Jamesport	Corporation	Jan 2017

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Common questions about South Jamesport businesses

How many businesses are registered in South Jamesport, New York?

ListRiver has 62 active registered businesses in South Jamesport, 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 South Jamesport, New York in September 2026?

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

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

3 businesses on record in South Jamesport, New York were formed in the 12 months through September 2026.

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

LLCs are the most common: 36 of 62 businesses on record (58%), followed by Corporations with 25 (40%).

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 South Jamesport, New York?

Use ListRiver's list builder to filter South Jamesport, 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/south-jamesport" title="New businesses in South Jamesport, 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/south-jamesport">Businesses in South Jamesport, 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.