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B2B startups in Southern California

Business software and services sold to other companies. The largest single category of startup across Southern California, spanning sales tools, vertical operating systems, and everything in between.

It's the largest category here by far, and one of the most varied — the best-funded names span Shield AI's defense-focused autonomy software in San Diego, Metropolis Technologies' AI-powered parking infrastructure in Santa Monica, and Impulse Space's in-space transportation services in El Segundo. What ties them together isn't a shared product category, just a shared buyer: another business, not a consumer.

1030
companies
$20.56B
total raised
62
cities

Companies

Capra Project, Inc. hero photo
Series C$75.3M
Capra Project, Inc.
Santa Monica, CA · Founded 2021

Capra Projects specializes in creating frameless glass, architectural steel, and aluminum solutions, including balustrades, showers, doors, and staircase design and construction.

Series CB2B
Series A$74.1M
Alpha Design AI, Inc.
Goleta, CA · Founded 2024

Does business as ChipAgents, an agentic AI chip-design platform founded by CEO William Wang; has raised $134M in funding from investors including Bessemer Venture Partners and Matter Venture Partners.

Series AB2B
ProrataAI, Inc. hero photo
$73.4M
ProrataAI, Inc.
Pasadena, CA · Founded 2024

ProrataAI, Inc. builds AI-powered search, advertising, and attribution solutions that respect content creators and publishers by ensuring transparent crediting and equitable value sharing.

B2B
Supplying Demand, Inc. hero photo
Series B$67.6M
Supplying Demand, Inc.
Los Angeles, CA

Supplying Demand, Inc. provides quality HVAC, appliance, and repair parts for professionals and homeowners.

Series BB2B
$67.1M
Humans, Inc.
El Segundo, CA · Founded 2019 · ~11-50 employees

Legal name of Flip, the TikTok-style social shopping app headquartered in El Segundo, CA; the company raised $144M and reached a $1B valuation before shutting down in August 2025.

B2B
Kudos Technologies, Inc. hero photo
Series A$60.3M
Kudos Technologies, Inc.
Woodland Hills, CA · Founded 2021

Kudos® is the recognition and rewards platform designed to fit your unique workplace culture.

Series AB2B
$60.0M
LA Brasada S Lender II, LLC
Pasadena, CA · Founded 2019

Brasada Ranch is a family-friendly resort located just outside of Bend, Oregon that features luxurious accommodations, championship golf, world-class dining and amenities, and endless recreation throughout Central Oregon.

B2B
$58.9M
Freeform Future Corp.
Hawthorne, CA
B2B
Labs Companies, Inc. hero photo
Series D$57.5M
Labs Companies, Inc.
Beverly Hills, CA

1 Supercompany, 7 Frontier Labs Building an Everything Supercompany for Humanity

Series DB2B
Series B$57.1M
HiveWatch, Inc.
El Segundo, CA

HiveWatch provides a platform that unifies physical security systems into one AI-powered command center to help security teams prioritize incidents and automate responses.

Series BB2B
Series B$56.0M
Fabric8Labs, Inc.
San Diego, CA

Electrochemical Additive Manufacturing Mass Production of Next Generation Components High-Resolution Metal 3D Printing at Scale Electrochemical Additive Manufacturing (ECAM) is... Read More

Series BB2B
Big Shot Pictures Inc. hero photo
Series A$55.5M
Big Shot Pictures Inc.
Los Angeles, CA · Founded 2025

Big Shot Pictures is a next-generation studio building global franchises, founded by Brian Robbins.

Series AB2B
$55.4M
Technology Holdings North America Inc.
Santa Monica, CA · Founded 2022
B2B
Praesidium Holdings, Inc. hero photo
Series A$55.0M
Praesidium Holdings, Inc.
Marina Del Rey, CA · Founded 2024

Praesidium applies an owner-oriented, private equity approach to investing in the public markets. Praesidium manages long-term capital for a select group of institutional investors.

Series AB2B
Titan Content, Inc. hero photo
Series A$54.7M
Titan Content, Inc.
Santa Monica, CA · Founded 2023 · ~11-50 employees

TITAN CONTENT is a K-pop entertainment company based in the United States. We create global & innovative K-pop artists and content.

Series AB2B
Placer Labs Inc. hero photo
Series B$54.5M
Placer Labs Inc.
Covina, CA

Make smarter real estate decisions and close more deals with Placer.ai's location intelligence and foot traffic insights.

Series BB2B
Laxmi Therapeutic Devices, Inc. hero photo
$54.3M
Laxmi Therapeutic Devices, Inc.
Goleta, CA

Laxmi will help people with diabetes stay in range more often, supporting better day-to-day control and long-term health through industry-first dermal continuous glucose monitoring.

B2B
TIDE ROCK YIELDCO, LLC hero photo
Series D$53.0M
TIDE ROCK YIELDCO, LLC
Solana Beach, CA · Founded 2020

Tide Rock is a growth platform for B2B companies that acquires founder-run businesses using an unlevered buyout model to grow their legacy.

Series DB2B
FitOn Inc. hero photo
Series C$52.2M
FitOn Inc.
West Hollywood, CA

Lose weight, get fit and feel great anytime, anywhere with free on-demand fitness classes, personalized workout plans and guided meditations.

Series CB2B
Virtualitics, Inc. hero photo
Series C$52.1M
Virtualitics, Inc.
Pasadena, CA

Virtualitics is an AI solutions company that transforms data into impactful action with AI readiness applications for defense, government, and enterprise.

Series CB2B
$52.0M
Epsilyte Holdings LLC
Los Angeles, CA · Founded 2020

Epsilyte manufactures expandable polystyrene EPS materials for insulation, protective packaging, cold chain, foodservice, and molded applications.

B2B
$51.0M
PFG Group A, LLC
Los Angeles, CA · Founded 2023
B2B
Series A$50.5M
BPC Metro Coffee LLC
Santa Monica, CA · Founded 2023

Metro Coffee is an Onsite Beverage Service provider located in the Metro Atlanta area

Series AB2B
Series A$50.1M
Deep 6 AI Inc.
Pasadena, CA

Deep 6 AI, founded in 2013 by Brian Dolan and Wout Brusselaers with backing from Point72 Ventures and the Cedars-Sinai Accelerator, was acquired by Tempus AI (Nasdaq: TEM) in March 2025.

Series AB2B
Counterpart Holdings Inc. hero photo
Series A$50.0M
Counterpart Holdings Inc.
Covina, CA · Founded 2021

Counterpart is the first Agentic Insurance™ system specializing in management and professional liability insurance.

Series AB2B
$49.0M
Champlain Flight IX LLC
Los Angeles, CA · Founded 2025
B2B
AFFINITY BIOSENSORS LLC hero photo
Series A$48.5M
AFFINITY BIOSENSORS LLC
Santa Barbara, CA

Affinity Biosensors’ LifeScale platform delivers rapid, high-throughput phenotypic antimicrobial susceptibility testing in under four hours, empowering clinical labs to make timely antibiotic decisions and combat drug-resistant infections.

Series AB2B
GITAI USA Inc. hero photo
Series B$47.6M
GITAI USA Inc.
Torrance, CA · Founded 2020

Robotics Startup for Space Development

Series BB2B
$45.0M
Traffic Management, LLC
Long Beach, CA · Founded 2024
B2B
Series C$41.2M
Movandi Corp
Irvine, CA

Movandi Corp develops next-generation mmWave solutions that power both terrestrial and non-terrestrial communications, advancing 5G, fixed wireless, and satellite networks worldwide.

Series CB2B
Series B$40.6M
ABL Space Systems Co
El Segundo, CA

ABL Space Systems is a company based in El Segundo, California, focused on launch vehicle and launch systems technology development.

Series BB2B
Series A$40.0M
Spirits Global Inc.
Newport Beach, CA · Founded 2018

Global Spirits is one of the world's leaders in alcohol production.

Series AB2B
$40.0M
ADC Fernley, LLC
Los Angeles, CA · Founded 2023
B2B
Transcend Inc. hero photo
Series B$40.0M
Transcend Inc.
Covina, CA · ~11-50 employees

Transcend is the only real-time data governance and decision layer that answers “Can I use this data?” to unblock AI, agentic, and first-party data initiatives.

Series BB2B
Series A$39.8M
ELECTRIC SOLIDUS, INC.
Calabasas, CA

Electric Solidus, Inc. is the legal name behind Swan Bitcoin, founded by well-known Bitcoin investor Cory Klippsten along with Brady Swenson and Yan Pritzker, headquartered in the LA area (Calabasas).

Series AB2B
Series F$37.7M
Qardio, Inc.
Covina, CA · ~51-200 employees

Qardio is making heart health easier for everyone. Improve your health by tracking your blood pressure, ECG & heart rate, weight, body composition and more.

Series FB2B
Series B$36.9M
Mellohead Inc.
Los Angeles, CA · Founded 2025
Series BB2B
Rabbit Inc/DE hero photo
Series B$36.0M
Rabbit Inc/DE
Santa Monica, CA · Founded 2020

unlimited AI conversations, translation, and voice recordings — all in your $199 AI-native device rabbit r1, plus a chance to explore cutting-edge agents.

Series BB2B
Series B$36.0M
California Naturals, Inc.
Los Angeles, CA

California Naturals, Inc. sells clean, natural, and effective daily essentials for hair, body, kids, and men, available in various scents and for different needs.

Series BB2B
Matter Intelligence Inc. hero photo
$35.9M
Matter Intelligence Inc.
El Segundo, CA · Founded 2023

Matter Intelligence is pioneering a new ultraspectral vision ecosystem that sees molecular chemistry, unlocking superintelligent vision for the physical world.

B2B
Gallant Pet, Inc. hero photo
Series A$35.6M
Gallant Pet, Inc.
San Diego, CA

Gallant offers ready-to-use stem cell therapies that help pets heal from within, restoring vitality and supporting longer, healthier lives.

Series AB2B
Salted Inc. hero photo
Series B$35.5M
Salted Inc.
Santa Monica, CA · ~11-50 employees

Salted Inc. is a platform that builds national, digital-first restaurant brands with clean, craveable food designed for a new generation.

Series BB2B
$34.6M
Vital Capital Medical - Temple TX DST
Irvine, CA · Founded 2026
B2B
Series A$32.4M
Phyto Teq, Inc.
Long Beach, CA · Founded 2021

John Paul DeJoria, co-founder of Patrón Tequila and Paul Mitchell hair-care, joined the company as an advisor and investor.

Series AB2B
Brain Corp hero photo
Series A$32.1M
Brain Corp
San Diego, CA · ~11-50 employees

Brain Corp is an autonomous technology company powering the most proven robots and AI, helping organizations create more productive and intelligent operations.

Series AB2B
Pave LLC hero photo
Series C$31.1M
Pave LLC
Huntington Beach, CA · Founded 2024 · ~11-50 employees

Pave LLC provides nationwide commercial parking lot management services including asphalt and concrete maintenance, crack sealing, sealcoating, and striping.

Series CB2B
Sol-ti, Inc. hero photo
Series B$30.3M
Sol-ti, Inc.
San Diego, CA

Sol-ti sells organic living beverages, including SuperShot, SuperAde, and SuperStix products, which are glass bottled, cold pressed, and made in the USA.

Series BB2B
Series B$30.0M
Trellis Research, Inc.
Los Angeles, CA · Founded 2018

Co-founded by CEO Nicole Clark in 2017; the legal analytics platform raised a $15 million Series B in 2023.

Series BB2B
Turquoise Health Co. hero photo
Series B$30.0M
Turquoise Health Co.
San Diego, CA · Founded 2020

Price with precision. Negotiate with confidence. Turquoise is the platform 300+ healthcare organizations use to make sense of rates, contracts, and compliance.

Series BB2B
Series A$29.1M
SeaSatellites, Inc.
San Diego, CA · Founded 2020

Operates as Seasats; CEO and co-founder Mike Flanigan launched the San Diego autonomous-vessel maker in 2020, and it closed a $20 million Series A backed by Philip Bilden.

Series AB2B
$28.7M
Reflect Orbital Inc.
Hawthorne, CA · Founded 2023
B2B
$28.5M
Icon on Broadway LLC
Manhattan Beach, CA · Founded 2026
B2B
Botanic Tonics, LLC hero photo
Series A$27.4M
Botanic Tonics, LLC
Calabasas, CA · Founded 2020

Feel free, feel good. feel free tonics and capsules feature noble kava root & other functional botanicals from around the world. Thoughtfully crafted to deliver a mood lift, a boost of energy, and a focus enhancement.

Series AB2B
Series B$27.0M
Ventyx Biosciences, Inc.
San Diego, CA

The Encinitas-based clinical-stage biotech was acquired by Eli Lilly for $1.2 billion in cash, after IPOing on Nasdaq (VTYX) in 2021.

Series BB2B
$26.9M
GATC HEALTH CORP
Irvine, CA · Founded 2020

GATC Health is a tech-bio company that uses proprietary AI to accelerate and de-risk the discovery and development of safer and more effective drugs for biopharma companies and investors.

B2B
Series C$26.5M
SPINLAUNCH INC.
Long Beach, CA

Founded by Jonathan Yaney and backed by Google Ventures, Airbus Ventures and Kleiner Perkins, the company builds a kinetic (spinning) launch system to hurl satellites toward orbit instead of using rocket boosters for the first stage.

Series CB2B
$26.2M
ExoDexa Holdings Inc.
Santa Monica, CA · Founded 2022
B2B
$25.5M
Orange Is The New Pest LLC
Los Angeles, CA · Founded 2025
B2B
KYG Trade, Inc. hero photo
Series A$25.5M
KYG Trade, Inc.
Newport Beach, CA · Founded 2021

Enhance, extend or replace your legacy GTM software with affordable enterprise-grade AI-native trade and tariff management software from KYG Trade.

Series AB2B
Mapped Inc. hero photo
Series B$25.5M
Mapped Inc.
El Segundo, CA · Founded 2019 · ~11-50 employees

Mapped turns any building's systems, sensors, and devices into a structured, real-time world model — the data foundation AI agents and applications need to understand and act on the physical world.

Series BB2B