69 Best Startups in California to Watch in 2025

The Definitive Seedtable Ranking of Startups in California

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 12,810 start-ups with an aggregate funding of $50.3b. The average funding per company in this subset is $729.3m.

Last update to the database: Feb 18, 2025. See changelog.

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7

Funding Rounds

$18.2b

Money raised

OpenAI is an AI research and deployment platform.

3

Funding Rounds

$364.2m

Money raised

Neuralink is a company that develops brain-computer interface (BCI) devices to assist people with paralysis and blindness and technologies that may expand the abilities of humans.

7

Funding Rounds

$10.1m

Money raised

Cere Network is a decentralized data cloud platform built on Polkadot.

9

Funding Rounds

$570.0m

Money raised

Dialpad is a San Francisco-headquartered business communications platform company.

4

Funding Rounds

$910.0m

Money raised

An end-to-end blockchain and NFT solution for video games.

5

Funding Rounds

$5.0b

Money raised

AI safety and research platform.

Key people:

1

Funding Rounds

$9.0m

Money raised

Tendermint is now Ignite. Tendermint was the core contributor to the Cosmos blockchain network.

6

Funding Rounds

$799.8m

Money raised

A bank offering online banking services with no user no bank fees, and an option to receive direct deposit up to two days early. Chris Britt and Ryan King founded Chime in 2013, and the company is headquartered in San Francisco, California.

1

Funding Rounds

$35.0m

Money raised

Fractal is a gaming marketplace developed to facilitate non-fungible tokens (NFTs).

3

Funding Rounds

$17.5m

Money raised

Numerai is a hedge fund with stock market trades determined by crowdsourced artificial intelligence models. The best models receive rewards in the form of a cryptographic token called Numeraire (NMR) on the Ethereum blockchain.

1

Funding Rounds

$10.0m

Money raised

LangChain is an open-source framework for developing applications powered by language models.

3

Funding Rounds

$250.0m

Money raised

Firefly Aerospace is an end-to-end space transportation company developing technology for launching, landing, and operating space missions.

1

Funding Rounds

$31.0m

Money raised

An online publishing platform used by amateur and professional writers. Membership fees are used to pay writers.

2

Funding Rounds

$27.0m

Money raised

CryptoKitties is a game built on the Ethereum blockchain in which users can collect and trade virtual kittens.

9

Funding Rounds

$454.1m

Money raised

Mythical Games is a Los Angeles-based video game development company developing games for playable non-fungible tokens to identify game characters that players can own and offers players a secondary market.

4

Funding Rounds

$583.6m

Money raised

TriNet Zenefits is a software as a service (SaaS) company providing a digital human resources platform for small- and medium-sized enterprises (SMEs).

5

Funding Rounds

$263.1m

Money raised

Mammoth Biosciences is an American company based in San Francisco founded on June 1, 2017. Mammoth Biosciences uses CRISPR technology to develop bio-sensing technologies for diagnostics in industries such as healthcare, agriculture, manufacturing, and forensics and genome editing therapeutics.

6

Funding Rounds

$292.4m

Money raised

Calm is a health technology start-up based in San Francisco. It was founded in 2012 by Alex Tew and Michael Acton Smith and produces a mobile application for sleep, relaxation, and meditation.

3

Funding Rounds

$119.2m

Money raised

Phantom is a cryptocurrency wallet by Solana to manage digital assets and access decentralized applications.

4

Funding Rounds

$230.0m

Money raised

Humane develops and commercializes consumer hardware, software, and services.

6

Funding Rounds

$1.7b

Money raised

Discord is an American company that offers users a free messenger with support for IP telephony and video conferencing. About 56 million people use the Discord messenger every month, and its total audience exceeds 270 million users.

1

Funding Rounds

$50.0k

Money raised

Pembient uses advances in biotechnology to fabricate horn and other wildlife products to combat the threat to endangered species.

9

Funding Rounds

$307.0m

Money raised

Forge, formerly Equidate, is a company that offers a marketplace for private stock liquidation.

11

Funding Rounds

$1.9b

Money raised

Impossible Foods is a plant-based meat company making meat and dairy products that are made to look and feel like animal products by manufacturing heme, the oxygen binding molecule found in blood, using engineered yeast grown in bioreactors.

5

Funding Rounds

$1.3b

Money raised

Theranos was a privately held health technology corporation.

8

Funding Rounds

$406.4m

Money raised

Bolt Threads is a biotechnology company that makes high performance fabrics and materials using biology.

6

Funding Rounds

$722.0m

Money raised

Cerebras is an AI company building computer systems designed to accelerate AI workflows.

5

Funding Rounds

$349.2m

Money raised

HashiCorp is a software company providing tools for developers and security professionals to provision, secure, and run infrastructure for distributed applications for organizations.

4

Funding Rounds

$60.6m

Money raised

Kumu Networks provides a proprietary self-interference cancellation technology that increases the efficiency of wireless networks.

3

Funding Rounds

Company developing space manufacturing technologies to support exploration, national security, and sustainable space settlement.

4

Funding Rounds

$74.3m

Money raised

Pachama is a company estimating carbon storage in forests and predicting future deforestation or potential for forest restoration with the use of satellite images.

8

Funding Rounds

$274.7m

Money raised

Sisense is a software company offering a platform for data analysts and data engineers to transform data into actionable business insights.

9

Funding Rounds

$995.5m

Money raised

Luminar Technologies is an Orlando, Florida-based automotive industry company.

3

Funding Rounds

$34.0m

Money raised

Parallel Finance is a decentralized lending and staking protocol on Polkadot and Ethereum.

5

Funding Rounds

$5.1m

Money raised

Indee Labs focuses on the development of microfluidic vortex shedding for rapidly and efficiently transfecting human primary immune cells with negligible perturbation. The team is focused on developing its core technology for short turnaround chimeric antigen receptor T cell (CAR-T) development and manufacturing.

9

Funding Rounds

$1.5b

Money raised

Faire is a curated boutique wholesale marketplace connecting local retailers with thousands of emerging and established brands.

3

Funding Rounds

$54.2m

Money raised

Layer1 is a cryptocurrency investment and infrastructure platform.

2

Funding Rounds

$293.0m

Money raised

Nuvia develops semiconductor components and high-performance processors designed for compute-intensive devices and applications. The company was acquired by Qualcomm in March 2021.

10

Funding Rounds

$6.0b

Money raised

Flexport is a licensed freight forwarder and shipping company based in San Francisco, CA, USA. They manage global logistics for businesses.

10

Funding Rounds

$1.3b

Money raised

Brex is a credit card company that issues corporate credit cards with no security deposit.

Location:

Key people:

4

Funding Rounds

$204.7m

Money raised

Primer is a San Francisco-based company developing AI to generate written intelligence reports.

4

Funding Rounds

$49.0m

Money raised

Siklu is a San Jose, California and Petah Tikva-based telecommunications company developing multi-gigabit wireless fiber connectivity systems for urban, suburban, and rural areas.

1

Funding Rounds

$150.0k

Money raised

GitStart is a "Pull Request as a Service" platform founded in 2019 by Hamza Zia.

2

Funding Rounds

$336.0m

Money raised

Mysten Labs creates foundational infrastructure to accelerate the adoption of Web3.

1

Funding Rounds

$1.0m

Money raised

Applied Voice & Speech Technologies, Inc. (AVST) is a privately held software company headquartered in Orange County, California. It specializes in developing business communications solutions focusing on medium to large enterprise, government, higher education, healthcare, and hospitality markets.

9

Funding Rounds

$81.5m

Money raised

Kasisto is a company that develops conversational AI for financial institutions.

JSquare is a San Francisco-based company founded in 1985 by Jeff Herman.

6

Funding Rounds

$157.0m

Money raised

Data.ai, formerly known as App Annie, is a unified data and artificial intelligence (AI) company that combines consumer and market data to provide AI-powered insights into mobile app market data.

2

Funding Rounds

$110.0m

Money raised

Clubhouse is a San Francisco-based social app offering a space for casual, drop-in audio conversations with friends and other interesting people.

3

Funding Rounds

$54.4m

Money raised

Sightcall is a San Francisco-based company founded in 2008.

7

Funding Rounds

$875.5m

Money raised

C3 AI is an enterprise artificial intelligence software company providing a family of integrated products for accelerating digital transformation.

10

Funding Rounds

$269.5m

Money raised

Rigetti Computing is a quantum computing company based in Berkeley, California.

4

Funding Rounds

$60.7m

Money raised

Vidyard is a company providing a video marketing platform for businesses. It participated in the S11 cohort of Y Combinator.

1

Funding Rounds

$27.5k

Money raised

Full Circle Biochar is a developer of products and technologies based on bio-charcoal for the agricultural markets.

4

Funding Rounds

$165.0m

Money raised

Elastic is a software company that creates products for searching for information on the Internet. It was founded in 2012 and is headquartered in San Francisco and Amsterdam.

4

Funding Rounds

$164.5m

Money raised

Aisera is an artificial intelligence company offering a platform for information technology, cloud computing, customer service, and operations.

1

Funding Rounds

$5.0m

Money raised

Modern Intelligence is the developer of an AI-based platform designed to enable tracking and analysis of targets using sensors in maritime military operations.

4

Funding Rounds

$8.5m

Money raised

CUJO AI is a network intelligence software company.

7

Funding Rounds

$711.5m

Money raised

Perfect Day Foods (formerly Muufri) engineered yeast capable of producing the proteins found in cows milk. They use these proteins to make their own line of animal-free dairy products.

3

Funding Rounds

$47.0m

Money raised

Paravision is a San Francisco-based provider of facial recognition and activity monitoring software. Paravision was previously known as Ever AI.

9

Funding Rounds

$217.2m

Money raised

Density is a San Francisco-based company building a people-counting system to measure the number of people in or passing through a physical space such as a hallway, lobby, or conference hall.

5

Funding Rounds

$686.0m

Money raised

AvantStay is a premier next-generation hospitality platform for short-term rentals (STRs).

5

Funding Rounds

$241.5m

Money raised

Hasura is a software and development tools company, offering tools for developers to simplify application development.

5

Funding Rounds

$18.0m

Money raised

Krisp is a technology company developing an AI-powered app designed to eliminate background noise during online communications.

1

Funding Rounds

$1.2m

Money raised

Artificial intelligence company who uses models and IBM's Watson in the management of their AI Powered Equity Fund ETF (AIEQ) and AI Powered International Equity ETF (AIIQ)

5

Funding Rounds

$121.0m

Money raised

A company offering an email client designed to be the fastest email experience. The company was founded by Conrad Irwin, Rahul Vohra, and Vivek Sodera in 2015 and is headquartered in San Francisco, California.

6

Funding Rounds

$203.6m

Money raised

Loom is a software company that develops communication software for asynchronous presentations through sharable video recordings.

4

Funding Rounds

$107.0m

Money raised

TrustArc is a San Francisco-based developer of privacy compliance and risk management software for GDPR, CCPA, and related regulations.

4

Funding Rounds

$118.5m

Money raised

Juicero was a company founded in 2013 that produced and sold an expensive juicer called the Juicero Press, along with fresh produce packets. The company closed after it received extensive negative press regarding its simplistic machine in contrast with its high cost.

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