Businesses in Derby, Connecticut

As of October 11, 2026, ListRiver's records show 1,027 active registered businesses in Derby, Connecticut. 85% are LLCs. 6 were formed in September 2026.

From official Connecticut registry records, updated weekly. Most Derby businesses are in Naugatuck Valley Planning Region. Look up a Connecticut business by name.

Businesses on record
1,027
Formed in the last 12 months
137
Formed in September
6
With a phone number
8%
79 records

New Derby businesses per month

01225Oct 2024: 6Oct 24Nov 2024: 4Dec 2024: 7Jan 2025: 152025Feb 2025: 11Mar 2025: 21Apr 2025: 10May 2025: 11Jun 2025: 11Jul 2025: 21Aug 2025: 6Sep 2025: 11Oct 2025: 8Nov 2025: 10Dec 2025: 9Jan 2026: 142026Feb 2026: 8Mar 2026: 15Apr 2026: 10May 2026: 19Jun 2026: 15Jul 2026: 11Aug 2026: 12Sep 2026: 6

Businesses on record by formation month, through September 2026. Monthly Connecticut new-business reports · Get the list of 6 new businesses formed in September 2026

Entity types

  • LLCs871 · 85%
  • Corporations84 · 8%
  • Nonprofits68 · 7%
  • LLPs3 · 0%
  • Other1 · 0%

Top ZIP codes

Industries (where known)

  • Real Estate205 · 21%
  • Other Services137 · 14%
  • Construction134 · 13%
  • Retail Trade102 · 10%
  • Professional & Technical Services99 · 10%
  • Health Care & Social Assistance61 · 6%
  • Administrative & Support Services50 · 5%
  • Transportation & Warehousing43 · 4%
  • Accommodation & Food Services36 · 4%
  • Manufacturing34 · 3%

Newest business names registered in Derby

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BusinessCityTypeFormed
Name hiddenDerbyLLCOct 2026
Name hiddenDerbyLLCSep 2026
Name hiddenDerbyLLCSep 2026
Name hiddenDerbyLLCSep 2026
Name hiddenDerbyLLCSep 2026
Name hiddenDerbyLLCSep 2026
Name hiddenDerbyLLCSep 2026
Name hiddenDerbyLLCAug 2026
Name hiddenDerbyLLCAug 2026
Name hiddenDerbyLLCAug 2026
Name hiddenDerbyLLCAug 2026
Name hiddenDerbyLLCAug 2026
Name hiddenDerbyLLCAug 2026
Name hiddenDerbyLLCAug 2026
Name hiddenDerbyLLCAug 2026
Name hiddenDerbyLLCAug 2026
Name hiddenDerbyLLCAug 2026
Name hiddenDerbyLLCAug 2026
Name hiddenDerbyLLCAug 2026
Name hiddenDerbyLLCJul 2026
Name hiddenDerbyLLCJul 2026
Name hiddenDerbyLLCJul 2026
Name hiddenDerbyLLCJul 2026
Name hiddenDerbyLLCJul 2026
Name hiddenDerbyCorporationJul 2026

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Common questions about Derby businesses

How many businesses are registered in Derby, Connecticut?

ListRiver has 1,027 active registered businesses in Derby, Connecticut on record as of October 11, 2026, from official Connecticut business registry data. Dissolved and defunct businesses are not counted.

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

6 businesses on record in Derby, Connecticut were formed in September 2026.

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

137 businesses on record in Derby, Connecticut were formed in the 12 months through September 2026.

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

LLCs are the most common: 871 of 1,027 businesses on record (85%), followed by Corporations with 84 (8%).

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 Derby, Connecticut?

Use ListRiver's list builder to filter Derby, 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 11, 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.