Every new California business filing, every dayNew Businesses Filed in South San Francisco, CA
137 newly registered businesses tracked in South San Francisco, California. Browse by category or see the latest filings below.
Updated September 28, 2026 · Most recent business filing Sep 8, 2026
Every new California filing, every day
See how it worksAbout New South San Francisco Businesses
South San Francisco, CA has 137 newly registered businesses in our database. 12 of those landed in the past 30 days. We refresh this page daily as new South San Francisco companies appear in the California Division of Corporations records.
The most active industries in South San Francisco are Real Estate Investment (7), Consulting (5), and Biotechnology (4). Use the category list below to narrow the results to a single industry, or scroll down for the most recent records of any type.
Every entry shows the business name, filing date, and category, plus verified owner and contact information where we have it. The latest South San Francisco business filing was recorded on Sep 8, 2026. You can jump back to the full California view any time to compare South San Francisco against other markets.
Business Categories
Selected Filings
Frequently Asked Questions
How many new businesses are registered in South San Francisco, CA?
DayOneLead tracks 137 newly registered businesses in South San Francisco, with about 12 added in the last 30 days.
How fresh is the South San Francisco business data?
We refresh this page every day from the California Division of Corporations. The latest South San Francisco business filing we recorded was on Sep 8, 2026.
What are the most common new businesses in South San Francisco?
The most active industries among new South San Francisco registrations are Real Estate Investment, Consulting, and Biotechnology. You can filter by any category to narrow the list.
What information is included for each South San Francisco business?
Each entry shows the business name, filing date, and category, plus a verified owner name, phone, email, and website wherever we can confirm them.
Turn fresh new businesses into your next customers
We find newly registered businesses, verify their contact details, and build the campaign. You review everything before anything sends.
Build My Campaign Free ›