Businesses in Monroe, Connecticut

As of October 15, 2026, ListRiver's records show 2,437 active registered businesses in Monroe, Connecticut, the 47th most among Connecticut cities. 87% are LLCs. 25 were formed in September 2026. That is 1% of all Connecticut businesses on record.

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

Businesses on record
2,437
Formed in the last 12 months
290
Formed in September
25
With a phone number
9%
218 records

New Monroe businesses per month

02550Oct 2024: 14Oct 24Nov 2024: 9Dec 2024: 9Jan 2025: 172025Feb 2025: 16Mar 2025: 25Apr 2025: 19May 2025: 20Jun 2025: 23Jul 2025: 19Aug 2025: 18Sep 2025: 34Oct 2025: 18Nov 2025: 13Dec 2025: 25Jan 2026: 282026Feb 2026: 20Mar 2026: 41Apr 2026: 34May 2026: 20Jun 2026: 22Jul 2026: 22Aug 2026: 22Sep 2026: 25

Businesses on record by formation month, through September 2026. Monthly Connecticut new-business reports · Get the list of 25 new businesses formed in September 2026

Entity types

  • LLCs2,113 · 87%
  • Corporations218 · 9%
  • Nonprofits87 · 4%
  • Other9 · 0%
  • LLPs6 · 0%
  • Limited partnerships4 · 0%

Top ZIP codes

Industries (where known)

  • Real Estate489 · 21%
  • Construction372 · 16%
  • Professional & Technical Services300 · 13%
  • Other Services228 · 10%
  • Retail Trade155 · 7%
  • Health Care & Social Assistance123 · 5%
  • Administrative & Support Services115 · 5%
  • Arts, Entertainment & Recreation95 · 4%
  • Manufacturing82 · 4%
  • Educational Services69 · 3%

Newest business names registered in Monroe

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Common questions about Monroe businesses

How many businesses are registered in Monroe, Connecticut?

ListRiver has 2,437 active registered businesses in Monroe, 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 Monroe, Connecticut in September 2026?

25 businesses on record in Monroe, Connecticut were formed in September 2026.

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

290 businesses on record in Monroe, Connecticut were formed in the 12 months through September 2026.

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

LLCs are the most common: 2,113 of 2,437 businesses on record (87%), followed by Corporations with 218 (9%).

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 Monroe, Connecticut?

Use ListRiver's list builder to filter Monroe, 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 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.