Businesses in Portland, Connecticut

As of October 15, 2026, ListRiver's records show 831 active registered businesses in Portland, Connecticut. 86% are LLCs. 6 were formed in September 2026.

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

Businesses on record

831

Formed in the last 12 months

Formed in September

With a phone number

13%

105 records

New Portland businesses per month

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

LLCs716 · 86%
Corporations57 · 7%
Nonprofits54 · 6%
LLPs3 · 0%
Limited partnerships1 · 0%

Top ZIP codes

ZIP 06480827 · 100%
ZIP 064821 · 0%
ZIP 064241 · 0%
ZIP 060331 · 0%
ZIP 068401 · 0%

Industries (where known)

Real Estate183 · 22%
Construction97 · 12%
Other Services96 · 12%
Professional & Technical Services72 · 9%
Retail Trade67 · 8%
Administrative & Support Services45 · 6%
Arts, Entertainment & Recreation45 · 6%
Health Care & Social Assistance42 · 5%
Manufacturing34 · 4%
Accommodation & Food Services32 · 4%

Newest business names registered in Portland

Get all 831 Portland businesses · see price Just the 13 formed in the last 90 days · see price

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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	Portland	LLC	Oct 2026
Name hidden	Portland	LLC	Sep 2026
Name hidden	Portland	LLC	Sep 2026
Name hidden	Portland	LLC	Sep 2026
Name hidden	Portland	LLC	Sep 2026
Name hidden	Portland	LLC	Sep 2026
Name hidden	Portland	LLC	Sep 2026
Name hidden	Portland	LLC	Aug 2026
Name hidden	Portland	LLC	Aug 2026
Name hidden	Portland	LLC	Aug 2026
Name hidden	Portland	LLC	Aug 2026
Name hidden	Portland	LLC	Aug 2026
Name hidden	Portland	LLC	Aug 2026
Name hidden	Portland	Nonprofit	Jul 2026
Name hidden	Portland	LLC	Jul 2026
Name hidden	Portland	LLC	Jul 2026
Name hidden	Portland	LLC	Jul 2026
Name hidden	Portland	LLC	Jul 2026
Name hidden	Portland	LLC	Jul 2026
Name hidden	Portland	LLC	Jul 2026
Name hidden	Portland	LLC	Jun 2026
Name hidden	Portland	LLC	Jun 2026
Name hidden	Portland	LLC	Jun 2026
Name hidden	Portland	LLC	Jun 2026
Name hidden	Portland	LLC	Jun 2026

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Common questions about Portland businesses

How many businesses are registered in Portland, Connecticut?

ListRiver has 831 active registered businesses in Portland, 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 Portland, Connecticut in September 2026?

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

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

92 businesses on record in Portland, Connecticut were formed in the 12 months through September 2026.

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

LLCs are the most common: 716 of 831 businesses on record (86%), followed by Corporations with 57 (7%).

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 Portland, Connecticut?

Use ListRiver's list builder to filter Portland, 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

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<div style="max-width:520px"><iframe src="https://listriver.com/embed/new-businesses/connecticut/portland" title="New businesses in Portland, Connecticut 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/connecticut/portland">Businesses in Portland, Connecticut</a>, ListRiver</p></div>

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.