69 Best Startups in Sunnyvale California to Watch in 2025

The Definitive Seedtable Ranking of Startups in Sunnyvale 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 265 start-ups with an aggregate funding of $9.5b. The average funding per company in this subset is $138.0m.

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

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6

Funding Rounds

$722.0m

Money raised

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

Key people:

4

Funding Rounds

$60.6m

Money raised

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

6

Funding Rounds

$98.9m

Money raised

Amprius is a Fremont, California-based nanotechnology company developing silicon nanowires for lithium-ion batteries and founded by Mark Platshon and Yi Cui.

Key people:

2

Funding Rounds

$37.0m

Money raised

Blue Hexagon is a San Francisco-based cybersecurity company offering an on-device machine learning based malware detection product.

Key people:

5

Funding Rounds

$60.2m

Money raised

U.S-based 3D media technology company providing worldwide end-to-end virtual media solutions.

5

Funding Rounds

$84.5m

Money raised

FogHorn Systems is a Real-Time Edge Intelligence for Industrial IoT founded in 2014 by Sastry Malladi.

4

Funding Rounds

$1.7m

Money raised

Zenarmor is a Sunnyvale, California-based cybersecurity and network security company offering enterprise network security products.

Key people:

9

Funding Rounds

$899.3m

Money raised

Arctic Wolf Networks provides a cybersecurity platform that executes risk management and task analysis using machine learning.

4

Funding Rounds

$11.0m

Money raised

ThroughPut Inc. is a Palo Alto, California-based supply chain management software developer founded by Ali Raza.

6

Funding Rounds

$557.5m

Money raised

Illumio is a cloud security company utilizing adaptive segmentation to prevent cyber threats of unauthorized communications.

Key people:

2

Funding Rounds

$490.0k

Money raised

Zeno Semiconductor is a Sunnyvale, California-based semiconductor company developing memory and logic technologies for scaling semiconductors.

5

Funding Rounds

$95.7m

Money raised

Percipient.ai is an analytics firm offering a machine learning and artificial intelligence platform using open source technology for national security intelligence and security applications.

5

Funding Rounds

$29.0m

Money raised

Neura is a company that uses AI to transform customer real-world behavior; founded by Triinu Magi, Gilad Meiri and Ori Shaashua

3

Funding Rounds

$38.2m

Money raised

Tact.ai is an A.I. assistant company founded in 2012 by Chuck Ganapathi.

7

Funding Rounds

$65.4m

Money raised

Mendel.ai is a life science company offering an artificial intelligence platform to aid clinical experts improve their clinical cancer research.

3

Funding Rounds

$5.1m

Money raised

Datasaur builds software to expedite the process of data labeling with features such as automated intelligence, workflow management, and data privacy.

3

Funding Rounds

$33.0m

Money raised

Rafay Systems is a Sunnyvale, California-based company offering a Kubernetes management platform.

2

Funding Rounds

$21.0m

Money raised

A company that develops material-handling technology for manufacturing and warehouse logistics.

6

Funding Rounds

$496.0m

Money raised

Clari helps B2B organizations increase win rates, shorten sales cycles, improve forecast accuracy and drive full funnel accountability across their revenue engine.

9

Funding Rounds

$617.8m

Money raised

Carbon Health is a healthcare company. They primarily serve California and the Reno area.

3

Funding Rounds

$754.0m

Money raised

Figure is a robotics company specializing in building humanoid robots for deployment into the workforce.

Key people:

5

Funding Rounds

$92.0m

Money raised

A company offering a service engagement platform using artificial intelligence and machine learning technology to digitally transform backend processes and conversational interfaces.

4

Funding Rounds

$351.5m

Money raised

An infrastructure company for self-driving cars. It is located in Sunnyvale, California and was founded in 2017.

Key people:

7

Funding Rounds

$5.0m

Money raised

NovoNutrients produce microbes that break down industrial emissions of carbon dioxide and reassemble them into aquaculture feed.

Key people:

2

Funding Rounds

$68.0m

Money raised

A digital communication company that has software to allow healthcare providers interact with their patients. It is located in Sunnyvale, California and was founded in 2016.

$1.6m

Money raised

A company providing an ultrasonic sensor solution for three-dimensional positioning in vehicles in order to drive autonomously in close proximity and low-speed environments.

11

Funding Rounds

$1.6b

Money raised

WeRide, formerly known as JingChi, is a Guangzhou, China-based smart mobility company developing L4 autonomous driving solutions.

Key people:

3

Funding Rounds

$68.4m

Money raised

Silicon Graphics is a former american company founded in 1990 by James H. Clark, Kurt Akeley, Abbey Silverstone, David J. Brown and Charles Kuta.

2

Funding Rounds

$113.0m

Money raised

Bear Robotics provides automation products for the hospitality industry.

Key people:

9

Funding Rounds

$214.4m

Money raised

Credit Sesame is a Sunnyvale, California-based personal finance company and online tool to help people save money on mortgages and loans.

Key people:

6

Funding Rounds

$81.6m

Money raised

Liquid Robotics is a subsidiary of The Boeing Company engaged in the development of an unmanned wave and solar-powered ocean robot.

7

Funding Rounds

$29.8m

Money raised

Crowdz is a blockchain company founded in 2014 by Payson Johnston, Steven Lee and Kevin Hopkins.

5

Funding Rounds

$76.1m

Money raised

A company that provides secure clinical and SDOH interoperability in California. It focuses on providing patients with access to health data.

1

Funding Rounds

$9.0m

Money raised

Mezi is an artificial intelligence company that focuses on travel, founded by Swapnil Shinde.

Key people:

4

Funding Rounds

$80.2m

Money raised

CipherTrace is a Menlo Park, California-based cybersecurity company developing security solutions for the cryptocurrency industry.

2

Funding Rounds

$8.5m

Money raised

Efficient Frontier is an advertising company founded by Anand Ranganathan.

Key people:

1

Funding Rounds

$11.2m

Money raised

Kana Software is a Sunnyvale, California-based company founded in 1996 by Michael Horvath.

Industries:

Key people:

3

Funding Rounds

$1.0m

Money raised

Next Level Networks, Inc. is a Sunnyvale, California-based high-speed internet service provider.

3

Funding Rounds

Sylvatex is a company that develops renewable materials through their nano-chemistry platform

1

Funding Rounds

$10.0m

Money raised

BlueCart is an online ordering platform that connects wholesale suppliers and buyers in the hospitality industry.

1

Funding Rounds

$2.0m

Money raised

Artificial Intelligence company offering smart chatbots as well as omnichannel messaging and video communications software.

5

Funding Rounds

$58.5m

Money raised

PlayVox is a customer service quality monitoring software developed to improve the customer experience.

9

Funding Rounds

$150.7m

Money raised

RedSeal is a San Jose, California-based developer and provider of security risk management software and solutions for cybersecurity applications.

4

Funding Rounds

$52.6m

Money raised

LeanData is a platform that enables revenue teams (marketing, sales, customer, and partner ops) to manage all go-to-market motions.

3

Funding Rounds

$117.0m

Money raised

Conga is an enterprise cloud computing and data company offering a platform for simplifying and automating data, documents, contracts, and reporting.

9

Funding Rounds

$62.5m

Money raised

Electric Cloud is a Sunnyvale, California-based IoT software company founded in 2002.

1

Funding Rounds

$12.0m

Money raised

Artificial intelligence company providing AI-powered chatbots and semantic search to boost self-service and e-commerce conversions.

Key people:

2

Funding Rounds

$10.9m

Money raised

Falkonry is a Sunnyvale, California-based company founded in 2012 by Nikunj Mehta.

5

Funding Rounds

$20.0m

Money raised

Perceptive Automata is a company offering human behavior prediction technology for the development of autonomous vehicles.

Key people:

7

Funding Rounds

$307.0m

Money raised

Yugabyte is an open-source distributed SQL database for customers in industries such as cybersecurity, financial markets, and IoT.

1

Funding Rounds

$1.0m

Money raised

An energy-blockchain technology company offering a transactive energy platform for electric vehicles.

1

Funding Rounds

$16.5m

Money raised

Armorblox is a cybersecurity company based in Sunnyvale, California using natural language detection, machine learning and artificial intelligence for enterprise communication.

5

Funding Rounds

$20.5m

Money raised

Webscale Networks is a company founded in 2012 by Vladimir Shestak, Robert Shires and James Smith.

4

Funding Rounds

$23.5m

Money raised

Applied StemCell is a company producing knock-in mice transgenic services and CRISPR genome editing services.

Key people:

2

Funding Rounds

$56.0k

Money raised

Oakbio uses expertise in fermentaion, microbiology and synthetic biology to develop technologies for conversion of waste carbon into high value products.

Key people:

5

Funding Rounds

$53.5m

Money raised

SuperAnnotate offers a set of solutions for image and video annotation and an annotation service with integrated tooling and a neural network and automation powered by AI.

4

Funding Rounds

$4.6m

Money raised

LeapMind is centered on the innovation of machine learning-powered software and hardware solutions for a variety of applications.

1

Funding Rounds

$225.0k

Money raised

An Innovative IOT startup in California that focuses on addressing needs through IOT solutions.

1

Funding Rounds

$1.3m

Money raised

A technology company providing payments infrastructure for businesses in Africa

12

Funding Rounds

$761.8m

Money raised

Turntide is a Sunnyvale, California-based company founded in 2013.

6

Funding Rounds

Percept.AI is an artificial Intelligence company founded by Joe (Zhou) Sha, Deyang Zhao and Shuo Han.

2

Funding Rounds

$14.1m

Money raised

Appvance is a company founded in 2012 by Kevin Surace.

1

Funding Rounds

$15.0m

Money raised

Tropos Networks is a wireless mesh networking company providing hardware and software solutions for industrial scale wireless networks.

3

Funding Rounds

$28.5m

Money raised

Luminate Inc. is a digital platform provider with the objective to make images interactive on the internet.

1

Funding Rounds

Relimetrics is a computer vision and machine learning software provider offering inspection and diagnostic tools.

5

Funding Rounds

$1.8m

Money raised

SupplyAI is an artificial Intelligence company founded in 2016 by Karthik Sridhar.

4

Funding Rounds

$100.0m

Money raised

Cloudinary empowers companies to deliver visual experiences that inspire and connect by unleashing the full potential of their media.

Key people:

6

Funding Rounds

$160.0m

Money raised

Digilens, Inc is a company based in Silicon Valley that makes optical waveguides for customizable extended reality (XR) hardware and software.

Key people:

1

Funding Rounds

Jetlore is an artificial Intelligence company founded in 2011 by Eldar Sadikov, Montse Medina and Sergey Andreev.

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