Businesses in Westminster, Colorado

As of October 12, 2026, ListRiver's records show 10,473 active registered businesses in Westminster, Colorado, the 23rd most among Colorado cities. 75% are LLCs. 142 were formed in September 2026. That is 1% of all Colorado businesses on record.

From official Colorado registry records, updated weekly. Most Westminster businesses are in Adams County. Look up a Colorado business by name.

Businesses on record
10,473
Formed in the last 12 months
1,814
Formed in September
142
With a phone number
5%
560 records

New Westminster businesses per month

0125250Oct 2024: 62Oct 24Nov 2024: 59Dec 2024: 63Jan 2025: 1052025Feb 2025: 80Mar 2025: 79Apr 2025: 76May 2025: 52Jun 2025: 73Jul 2025: 68Aug 2025: 113Sep 2025: 142Oct 2025: 147Nov 2025: 123Dec 2025: 117Jan 2026: 1672026Feb 2026: 138Mar 2026: 162Apr 2026: 204May 2026: 180Jun 2026: 136Jul 2026: 162Aug 2026: 136Sep 2026: 142

Businesses on record by formation month, through September 2026. Monthly Colorado new-business reports · Get the list of 142 new businesses formed in September 2026

Entity types

  • LLCs7,811 · 75%
  • Corporations1,417 · 14%
  • Nonprofits1,139 · 11%
  • Limited partnerships55 · 1%
  • LLPs31 · 0%
  • Other20 · 0%

Top ZIP codes

Newest business names registered in Westminster

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BusinessCityTypeFormed
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Name hiddenWestminsterCorporationOct 2026
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Common questions about Westminster businesses

How many businesses are registered in Westminster, Colorado?

ListRiver has 10,473 active registered businesses in Westminster, Colorado on record as of October 12, 2026, from official Colorado business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in Westminster, Colorado in September 2026?

142 businesses on record in Westminster, Colorado were formed in September 2026.

How many new businesses opened in Westminster, Colorado in the last 12 months?

1,814 businesses on record in Westminster, Colorado were formed in the 12 months through September 2026.

What is the most common type of business in Westminster, Colorado?

LLCs are the most common: 7,811 of 10,473 businesses on record (75%), followed by Corporations with 1,417 (14%).

Where does this data come from?

From Colorado'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 Westminster, Colorado?

Use ListRiver's list builder to filter Westminster, Colorado 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 Colorado 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.