Businesses in San Ramon, California

As of October 16, 2026, ListRiver's records show 10,114 active registered businesses in San Ramon, California. 51% are LLCs. 4 were formed in September 2026.

From official California registry records, updated weekly. Most San Ramon businesses are in Contra Costa County. Look up a California business by name.

Businesses on record
10,114
Formed in the last 12 months
676
Formed in September
4
With a registered agent
97%
9,777 records

New San Ramon businesses per month

05001,000Oct 2024: 12Oct 24Nov 2024: 16Dec 2024: 6Jan 2025: 9942025Feb 2025: 6Mar 2025: 5Apr 2025: 5May 2025: 11Jun 2025: 6Jul 2025: 10Aug 2025: 6Sep 2025: 9Oct 2025: 10Nov 2025: 6Dec 2025: 5Jan 2026: 5892026Feb 2026: 9Mar 2026: 4Apr 2026: 8May 2026: 8Jun 2026: 11Jul 2026: 4Aug 2026: 18Sep 2026: 4

Businesses on record by formation month, through September 2026. Monthly California new-business reports · Get the list of 4 new businesses formed in September 2026

Entity types

  • LLCs5,150 · 51%
  • Corporations2,846 · 28%
  • Other1,843 · 18%
  • Limited partnerships254 · 3%
  • LLPs13 · 0%
  • Nonprofits8 · 0%

Top ZIP codes

Newest business names registered in San Ramon

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BusinessCityTypeFormed
Name hiddenSan RamonLLCOct 2026
Name hiddenSan RamonLLCSep 2026
Name hiddenSan RamonLLCSep 2026
Name hiddenSan RamonCorporationSep 2026
Name hiddenSan RamonCorporationSep 2026
Name hiddenSan RamonLLCAug 2026
Name hiddenSan RamonCorporationAug 2026
Name hiddenSan RamonCorporationAug 2026
Name hiddenSan RamonLLPAug 2026
Name hiddenSan RamonLLCAug 2026
Name hiddenSan RamonCorporationAug 2026
Name hiddenSan RamonLLCAug 2026
Name hiddenSan RamonLLCAug 2026
Name hiddenSan RamonOtherAug 2026
Name hiddenSan RamonLLCAug 2026
Name hiddenSan RamonCorporationAug 2026
Name hiddenSan RamonLLCAug 2026
Name hiddenSan RamonCorporationAug 2026
Name hiddenSan RamonLLCAug 2026
Name hiddenSan RamonLLCAug 2026
Name hiddenSan RamonLLCAug 2026
Name hiddenSan RamonLLCAug 2026
Name hiddenSan RamonLLCAug 2026
Name hiddenSan RamonCorporationJul 2026
Name hiddenSan RamonLLCJul 2026

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Common questions about San Ramon businesses

How many businesses are registered in San Ramon, California?

ListRiver has 10,114 active registered businesses in San Ramon, California on record as of October 16, 2026, from official California business registry data. Dissolved and defunct businesses are not counted.

How many new businesses were formed in San Ramon, California in September 2026?

4 businesses on record in San Ramon, California were formed in September 2026.

How many new businesses opened in San Ramon, California in the last 12 months?

676 businesses on record in San Ramon, California were formed in the 12 months through September 2026.

What is the most common type of business in San Ramon, California?

LLCs are the most common: 5,150 of 10,114 businesses on record (51%), followed by Corporations with 2,846 (28%).

Where does this data come from?

From California'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 San Ramon, California?

Use ListRiver's list builder to filter San Ramon, California 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 California business registry records on file with ListRiver, current as of October 16, 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.