Every new California business filing, every daySeaside Equity Partners
Seaside Equity Partners is a growth-oriented private equity firm based in San Diego, CA, focusing on lower-middle market investments. The LLC (Seaside Equity Partners III UGP, LLC) is a general partner entity for one of its funds. The firm recently raised over $720 million for two new funds, as reported by multiple news outlets.
Filed February 5, 2026 · San Diego, CA · San Diego County
Find new private equity businesses in San Diego, then launch a cold email campaign built for you.

Every new California filing, every day
See how it worksSource
California Secretary of State (bizfile Online) · Entity B20260065246 · Retrieved May 14, 2026
About Seaside Equity Partners
Seaside Equity Partners III UGP, LLC filed in California on February 5, 2026, with a principal address in San Diego. The company registered through Registered Agent Solutions, a formation/registered-agent service, which also serves as agent for 2,235 other entities. Its domain was registered nearly seven years before filing, on July 16, 2019, through GoDaddy. The website is a modern WordPress site. No annual report or EIN on file yet. We estimate revenue between $10 million and $50 million and 26 to 100 employees.
- Domain registered 2,396 days before the filing date, indicating long-standing planning or a pre-existing brand.
- Filed through a registered-agent service, not by an owner or officer personally.
- The registered agent is shared with 2,235 other entities, a common pattern for service-based filings.
- Website is a modern WordPress site, suggesting an active online presence.
- No annual report or EIN on file yet, typical for a newly formed entity.
Compiled from the state record, the company's public web presence, and our own research; revenue, employee, and footprint figures are estimates, not verified financials. Updated August 23, 2026.
One of 162 new businesses registered in San Diego in February 2026, and the only private equity business registered there that month.
Is this business yours?
It's getting views. Claim the page for free to control what your customers see.
Filing Details
Verified Business Profile
Contact Information
Verified Website Profile
We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.
Frequently Asked Questions
When was Seaside Equity Partners registered?
Seaside Equity Partners was registered as LLC on February 5, 2026 in California.
Where is Seaside Equity Partners located?
Seaside Equity Partners is based in San Diego, CA, 92130, in San Diego County.
What type of business is Seaside Equity Partners?
Seaside Equity Partners is classified as a private equity business (lower-middle market investments).
Does Seaside Equity Partners have an EIN on file?
No EIN was found on file for Seaside Equity Partners at the time of registration.
Who Sells to This Business
Based on the business category, these service providers typically target this type of business.
Turn fresh private equity 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 ›