Businesses in Southport, Connecticut

As of October 15, 2026, ListRiver's records show 1,156 active registered businesses in Southport, Connecticut. 82% are LLCs. 4 were formed in September 2026.

From official Connecticut registry records, updated weekly. Most Southport businesses are in Greater Bridgeport Planning Region. Look up a Connecticut business by name.

Businesses on record
1,156
Formed in the last 12 months
98
Formed in September
4
With a phone number
7%
81 records

New Southport businesses per month

0715Oct 2024: 10Oct 24Nov 2024: 5Dec 2024: 8Jan 2025: 72025Feb 2025: 10Mar 2025: 14Apr 2025: 6May 2025: 8Jun 2025: 6Jul 2025: 4Aug 2025: 15Sep 2025: 11Oct 2025: 8Nov 2025: 5Dec 2025: 7Jan 2026: 112026Feb 2026: 8Mar 2026: 8Apr 2026: 11May 2026: 9Jun 2026: 11Jul 2026: 9Aug 2026: 7Sep 2026: 4

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

Entity types

  • LLCs953 · 82%
  • Corporations142 · 12%
  • Nonprofits49 · 4%
  • Other6 · 1%
  • Limited partnerships5 · 0%
  • LLPs1 · 0%

Top ZIP codes

Industries (where known)

  • Real Estate258 · 26%
  • Professional & Technical Services171 · 17%
  • Finance & Insurance98 · 10%
  • Other Services75 · 8%
  • Health Care & Social Assistance55 · 6%
  • Accommodation & Food Services49 · 5%
  • Retail Trade46 · 5%
  • Construction44 · 4%
  • Management of Companies32 · 3%
  • Arts, Entertainment & Recreation31 · 3%

Newest business names registered in Southport

Opens the list builder with Southport 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 Southport, 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 hiddenSouthportNonprofitOct 2026
Name hiddenSouthportLLCSep 2026
Name hiddenSouthportLLCSep 2026
Name hiddenSouthportLLCSep 2026
Name hiddenSouthportLLCSep 2026
Name hiddenSouthportLLCAug 2026
Name hiddenSouthportLLCAug 2026
Name hiddenSouthportLLCAug 2026
Name hiddenSouthportLLCAug 2026
Name hiddenSouthportLLCAug 2026
Name hiddenSouthportLLCAug 2026
Name hiddenSouthportLLCAug 2026
Name hiddenSouthportLLCJul 2026
Name hiddenSouthportLLCJul 2026
Name hiddenSouthportLLCJul 2026
Name hiddenSouthportLLCJul 2026
Name hiddenSouthportCorporationJul 2026
Name hiddenSouthportLLCJul 2026
Name hiddenSouthportLLCJul 2026
Name hiddenSouthportLLCJul 2026
Name hiddenSouthportLLCJul 2026
Name hiddenSouthportLLCJun 2026
Name hiddenSouthportLLCJun 2026
Name hiddenSouthportLLCJun 2026
Name hiddenSouthportLLCJun 2026

Build your Southport 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 Southport?

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 Southport businesses

How many businesses are registered in Southport, Connecticut?

ListRiver has 1,156 active registered businesses in Southport, Connecticut on record as of October 15, 2026, from official Connecticut business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in Southport, Connecticut in September 2026?

4 businesses on record in Southport, Connecticut were formed in September 2026.

How many new businesses opened in Southport, Connecticut in the last 12 months?

98 businesses on record in Southport, Connecticut were formed in the 12 months through September 2026.

What is the most common type of business in Southport, Connecticut?

LLCs are the most common: 953 of 1,156 businesses on record (82%), followed by Corporations with 142 (12%).

Where does this data come from?

From Connecticut'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 Southport, Connecticut?

Use ListRiver's list builder to filter Southport, Connecticut 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 Connecticut 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 Connecticut 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.