Businesses in Old Saybrook, Connecticut

As of October 12, 2026, ListRiver's records show 1,837 active registered businesses in Old Saybrook, Connecticut. 84% are LLCs. 15 were formed in September 2026.

From official Connecticut registry records, updated weekly. Most Old Saybrook businesses are in Lower Connecticut River Valley Planning Region. Look up a Connecticut business by name.

Businesses on record
1,837
Formed in the last 12 months
191
Formed in September
15
With a phone number
13%
230 records

New Old Saybrook businesses per month

01225Oct 2024: 9Oct 24Nov 2024: 7Dec 2024: 11Jan 2025: 202025Feb 2025: 12Mar 2025: 19Apr 2025: 16May 2025: 15Jun 2025: 11Jul 2025: 9Aug 2025: 17Sep 2025: 15Oct 2025: 23Nov 2025: 9Dec 2025: 14Jan 2026: 152026Feb 2026: 10Mar 2026: 19Apr 2026: 22May 2026: 16Jun 2026: 20Jul 2026: 14Aug 2026: 14Sep 2026: 15

Businesses on record by formation month, through September 2026. Monthly Connecticut new-business reports · Get the list of 15 new businesses formed in September 2026

Entity types

  • LLCs1,546 · 84%
  • Corporations188 · 10%
  • Nonprofits92 · 5%
  • Limited partnerships7 · 0%
  • LLPs3 · 0%
  • Other1 · 0%

Top ZIP codes

Industries (where known)

  • Real Estate435 · 25%
  • Professional & Technical Services223 · 13%
  • Other Services178 · 10%
  • Construction177 · 10%
  • Retail Trade147 · 8%
  • Health Care & Social Assistance117 · 7%
  • Arts, Entertainment & Recreation72 · 4%
  • Accommodation & Food Services71 · 4%
  • Administrative & Support Services65 · 4%
  • Manufacturing55 · 3%

Newest business names registered in Old Saybrook

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Common questions about Old Saybrook businesses

How many businesses are registered in Old Saybrook, Connecticut?

ListRiver has 1,837 active registered businesses in Old Saybrook, Connecticut on record as of October 12, 2026, from official Connecticut business registry data. Dissolved and defunct businesses are not counted.

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

15 businesses on record in Old Saybrook, Connecticut were formed in September 2026.

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

191 businesses on record in Old Saybrook, Connecticut were formed in the 12 months through September 2026.

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

LLCs are the most common: 1,546 of 1,837 businesses on record (84%), followed by Corporations with 188 (10%).

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 Old Saybrook, Connecticut?

Use ListRiver's list builder to filter Old Saybrook, 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.

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About this data

Counts come from official Connecticut business registry records on file with ListRiver, current as of October 12, 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.