SEASIDE EQUITY PARTNERS
SEASIDE EQUITY PARTNERS is a Series C+ and buyout fund in Western US writing $3M–$15M checks into business-services, commercial-services, tech-enabled-services and environmental-services.
- Stages
- Series C+, buyout
- Sectors
- business-services, commercial-services, tech-enabled-services, environmental-services
- Check size
- $3M–$15M
- Invests in
- Western US
- Round role
- Leads rounds
- Actively investing
- Yes
- Founded
- 2017
- Assets under management
- $1.34B
- Website
- seasideequity.com
Thesis
Seaside Equity Partners is a private equity firm founded in 2017, based in San Diego, California, focusing on majority control investments in founder- and family-owned businesses within the lower middle market, primarily in the Western United States. They target companies in mission-critical services sectors such as business services, commercial services, and tech-enabled services. Their strategy is a 'buy and build' approach, partnering with management to accelerate growth and transition businesses to institutional quality, while preserving foundational values. They offer capital, operational expertise, and strategic support. The firm has raised significant capital, with approximately $1.34 billion in AUM as of December 31, 2025. Two new funds closed in July 2025: Seaside Equity Partners III, L.P. with $568 million for companies with $3M-$15M EBITDA, and Seaside Navigator I, L.P. with $155 million for companies with less than $3M EBITDA. Prior funds include Seaside Equity Partners II ($325M in 2023) and Fund I ($160M in 2021).
Common questions
Does SEASIDE EQUITY PARTNERS invest at the Series C+ stage?
Yes. SEASIDE EQUITY PARTNERS lists Series C+ and buyout among the stages it invests in.
What check size does SEASIDE EQUITY PARTNERS write?
SEASIDE EQUITY PARTNERS writes $3M–$15M checks.
Where does SEASIDE EQUITY PARTNERS invest?
SEASIDE EQUITY PARTNERS invests in Western US.