Startups in California
Browse startups based in California. Our community includes 31 startups in California across all sectors and stages, from bootstrapped to growth-stage companies.
California Startups (31)
ReJoule
by Steven Chung
Signal Hill, California
Multi-million dollar grid battery assets are underperforming and nobody knows why; 19% of grid batteries experience underperformance due to battery health. Existing metrics treat a system as a single...
Peter Pham
by Peter Pham
California
Seamless Integration Group
by Bill Johnson
California
BeautyField
by Miriam Jones
Pasadena, CA
Traditional salon suite model leads to high churn: saturated, undifferentiated offerings, lack of business support/technology for stylists, poor community experience, limited natural light and...
Embr Entertainment
by Chris Wicke
Los Angeles, CA
Traditional long-form media does not fit mobile-first viewing behaviors; audiences prefer vertical, short-form serialized content and frictionless micropayments.
Katsh.ID
by Eli Farhood
Santa Monica, California
The deck identifies the problem of credential-driven friction in workforce access, highlighting issues such as stolen credentials, phishing, and social engineering leading to system breaches.
Aten Security
by Nyah Check
San Francisco, CA
AI agents act with production credentials, but nothing decides each action and nobody can say who authorized it.
Teiko Studios, Inc.
by Jonta' Hall
Los Angeles, California
The deck identifies a significant gap in identity and connection among modern players, who feel fragmented and lonely despite being more connected than ever. This is a specific and urgent problem...
Really Good Boxed Wine
by Amy Troutmiller
CA
Bottles spoil within 3 days of opening and 49% of drinkers report dumping unfinished bottles at least once a month. Boxed wine is convenient and makes up 10% of US sales, yet high-quality options...
EmergConnect
by Anastasiia Bondarenko
Palo Alto, CA
Patients endure anxiety in the waiting room, confusion at the front desk, and long delays when they need help most, while clinicians are stretched thin by chronic staffing shortages, outdated...
ElectraWireless
by Shivam Rajput
Los Angeles, California
Ubiquitous cord clutter, incompatible adapters, electrical hazards, and heavy metal waste from wired power systems.
Quantum Knight Inc.
by Andy Schwaderer
California
Enterprise data and privacy vulnerable to hacks, AI-driven attacks, and emerging quantum threats; current encryption and vendor compromise leave data exposed.
farmer fleet and supply
by christopher
indio, California
StyleAI
by Álvaro T. González
San Diego, California
Mid-sized fashion retailers (USD $5M–$100M GMV) suffer low online conversion, high return rates, and semantic/catalog gaps that reduce margins.
Saga Corp
by Andrew
San Fransisco, California
Parkzy
by Vala Makhfi
San Francisco, California
Drivers and AV fleets waste time and miles searching for parking while residential parking spots sit empty; 'Airbnb for parking' models fail due to high host effort.
Thred
by Will Hunter
Venice Beach, CA
Menswear shopping has sizing friction and trial-and-error; existing styling/quizzes miss taste and quality; retailers miscalculate demand leading to waste.
Shophr
by Titanium Delo
Los Angeles, CA
Local boutique inventory is disconnected from digital demand; customers can't discover local inventory quickly
Beebizy
by Laila Marshall
Los Angeles, CA
Event planning is fragmented: disjointed tools, manual coordination, poor change propagation across vendors/staff, and no repeatability, causing ~30% inefficiency.
Synergetics AI
by Raghu Bala
Santa Ana, CA
Lack of trust, identity and transaction rails for autonomous AI agents operating across enterprises.
Deep Blue Medical
by Bill Perry
San Francisco, California
Surgical soft tissue repairs often fail as sutures cut through tissue or mesh at anchor points, causing pain, dehiscence, hernia recurrence, and reoperations.
MediSynth AI
by Dr. Sarah Chen
San Francisco, CA
Clinical trials struggle to find and enroll eligible patients quickly; lengthy enrollment timelines and high costs.
Streetteam
by Jon Nelson
Pioneertown , CA
The deck identifies a significant bottleneck in financial research, which is a critical component of dealmaking. It highlights the scarcity of decision bandwidth and the delays in deal closure as...
Romy
by Alice Bull
San Francisco, California
Builders ship products but lack the GTM system to convert those products into sustainable businesses.
Gunleash
by Chase Lanore
California
Large number of lost or stolen handguns annually (500k–700k). Everyday carry increases risk of loss/theft ~300x. Lost/stolen guns are often used in crime.
AZNO
by Tina Setayesh
Laguna Niguel, California
Ultrasound probe, imaging equipment, parts and repair purchasing runs through fragmented channels (brokers, emails, PDFs, spreadsheets), making model-specific sourcing slow for buyers and limiting...
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About California Startups
California is home to 31 startups in our community. Most are concentrated in Los Angeles, San Francisco, Signal Hill.
Local ecosystems offer advantages including regional investor networks, local customer bases, and community support. 5 startups in California are generating revenue.
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