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1066 Top startups in San Jose for July 2026

We rank Align Technology, PayActiv and Vectra Networks in San Jose along with 1063 other startups based on an algorithm that scores startups based on total investment, employee count, and quarterly website traffic. San Jose is part of San Francisco Bay startup ecosystem which ranks #1 globally and #1 in North America.

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Top Unicorn Startups in San Jose for 2026

Seven startups have achieved unicorn status by exceeding USD 1 billion in valuation. Collectively, the top three unicorns in San Jose have raised more than USD 11.8B.
1st
Cohesity logo
CohesitySB Score: 620

Cohesity is a data management technology company that provides hyper-converged secondary storage solutions for backups, file services, and analytics. With the Cohesity Data Cloud, organizations can secure, manage, and recover data at an enterprise scale while gaining insights through AI capabilities.

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Website
www.cohesity.com
Employee range
1,001 – 5,000
Web Traffic (Monthly)
Funding amount
$810M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
2nd
Automation Anywhere logo
Automation AnywhereSB Score: 606

Automation Anywhere is a global company that specialises in Robotic Process Automation, offering AI-powered software bots that automate repetitive tasks. The company's cloud-native platform integrates RPA, artificial intelligence, machine learning, and analytics to enhance productivity, customer experience, and employee engagement.

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Website
www.automationanywhere.com
Employee range
1,001 – 5,000
Web Traffic (Monthly)
Funding amount
$852.7M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
3rd
Signifyd logo
SignifydSB Score: 576

Signifyd is a SaaS-based, enterprise-grade fraud technology solution for e-commerce stores. It simplifies fraud detection through a financial guarantee, allowing businesses to increase sales while reducing fraud losses. It was founded based on the belief that e-commerce businesses should be able to grow without fear of fraud. The solution solves the challenges that growing e-commerce businesses persistently face: billions of dollars lost in chargebacks, customer dissatisfaction from mistaken declines, and operational costs due to tedious, manual transaction investigations. Launched in 2011, Signifyd is used by multiple companies on the Fortune 1000 and Internet Retailer Top 500 lists.

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Website
www.signifyd.com
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$409M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)

Total amount:7

Best Startups in San Jose for 2026

1st
Align Technology logo
Align TechnologySB Score: 650

Align Technology, Inc. designs, manufactures, and markets the invisalign system for treating malocclusion or the misalignment of teeth. Invisalign corrects malocclusion using a series of clear, nearly invisible, removable appliances that gently move teeth to a desired final position. The company's products include Invisalign Full for the treatment of a range of malocclusions; Invisalign Express, a solution for less complex orthodontic cases; Invisalign Teen, which is designed to meet the specific needs of the non-adult comprehensive or teen treatment market; Vivera retainers that offer aesthetic retention solution for invisalign and non-invisalign patients; and Invisalign Assist, which is designed for general practitioners for selecting, monitoring, and finishing invisalign cases. It also offers ancillary products comprising cleaning material and adjusting tools for dental professionals. Align Technology distributes its products directly to orthodontists and general practitioner dentists in North America, Europe, the Asia Pacific, Latin America, and Japan. The company was founded in 1997 and is headquartered in Santa Clara, California.

View Full Page
Website
www.aligntech.com
Employee range
10,001+
Web Traffic (Monthly)
Funding amount
$131M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
2nd
PayActiv logo
PayActivSB Score: 586

Payactiv liberates earned wages from pay-cycle lag time, by providing timely access to money, revolutionizing how people earn, access, and use wages. Thriving comes after surviving. Financial wellness begins after all livelihood needs are met—their livelihood app does just that for the modern workforce.

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Website
www.payactiv.com
Employee range
251 – 500
Web Traffic (Monthly)
Funding amount
$133.7M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
3rd
Vectra Networks logo
Vectra NetworksSB Score: 551

Vectra AI develops an AI-driven integrated attack signal for threat detection and response. It empowers hybrid and multi-cloud enterprises to see and stop advanced attacks before they become breaches. The company assists SOC analysts in turning the tables on attackers by applying artificial intelligence and machine learning to the problem of finding attack signals.

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Website
vectra.ai
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$352.5M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
4th
Monolithic Power Systems logo

Monolithic Power Systems (MPS) is a high performance analog semiconductor company headquartered in San Jose, California. Formed in 1997, the company has three core strengths; deep system-level and applications knowledge, strong analog design expertise, and an innovative proprietary process technology. These combined advantages enable MPS to deliver highly integrated monolithic products that offer energy efficient, cost-effective solutions. MPS’ systems and applications expertise stems from a team of industry veterans who possess a combination of highly-technical electronics knowledge, sophisticated system and IC level design capabilities and extensive customer application experience. This allows the company to work closely with customers to identify new product opportunities, reduce time-to-market and effectively support its applications. In addition, MPS has developed a portfolio of intellectual property and proprietary wafer fabrication processes that enhance its products and market share. MPS design teams hail from distinguished analog semiconductor companies and top universities with extensive experience per designer. The teams have brought many innovative product suites to market and helped increase the company’s annual revenue by an average of 28% between 2004 and 2009. These talented individuals, coupled with MPS’ technology advantages, have created an emerging leader in the future of analog technology.

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Website
www.monolithicpower.com
Employee range
1,001 – 5,000
Web Traffic (Monthly)
Funding amount
$16.7M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
5th
Securiti logo
SecuritiSB Score: 547

Revolutionizing data security with AI, this startup won the ''Most Innovative Startup'' at RSA and is a Forrester Wave Leader. Protecting privacy with cutting-edge technology, it offers advanced solutions for secure data management.

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Website
securiti.ai
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$156M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
6th
Securiti logo
SecuritiSB Score: 547

Securiti is the pioneer of the DataAI Command Center, a centralized platform that enables the safe use of data and GenAI. It provides unified data intelligence, controls and orchestration across hybrid multicloud environments. Large global enterprises rely on Securiti's Data Command Center for data security, privacy, governance, and compliance. Securiti has been recognized with numerous industry and analyst awards, including "Most Innovative Startup" by RSA, "Top 25 Machine Learning Startups" by Forbes, "Most Innovative AI Companies'' by CB Insights, "Cool Vendor in Data Security" by Gartner, and "Privacy Management Wave Leader'' by Forrester. For more information, please follow us on LinkedIn and visit Securiti.ai.

View Full Page
Website
securiti.ai
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$156M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
7th
Jumio logo
JumioSB Score: 546

JJumio is an AI platform that enables users to establish their identity remotely to protect against fraud and other financial crime. The Jumio KYX Platform offers a range of identity proofing services to accurately establish, maintain and reassert trust from account opening to ongoing transaction monitoring. It leverages advanced technology including AI, biometrics, machine learning, liveness detection, and automation, Jumio helps organizations fight fraud, onboard good customers faster, and meet regulatory compliance including KYC, AML, and GDPR. Jumio has verified more than 300 million identities issued by over 200 countries and territories from real-time web and mobile transactions. The identity verification company's solutions are used by leading companies in the financial services, sharing economy, digital currency, retail, travel, and online gaming sectors. In 2016, Daniel Mattes and Robert Prigge headquartered Jumio in Palo Alto, California.

View Full Page
Website
www.jumio.com
Employee range
1,001 – 5,000
Web Traffic (Monthly)
Funding amount
$51.7M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
8th
Tredence logo
TredenceSB Score: 540

Tredence provides an AI-enabled data strategy solution focusing on the last-mile problem. It bridges the gap between insights delivery and value realization by enabling last-mile adoption of data science.

View Full Page
Website
tredence.com
Employee range
1,001 – 5,000
Web Traffic (Monthly)
Funding amount
$205M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
9th
Versa Networks logo
Versa NetworksSB Score: 537

Versa is a networking and cybersecurity firm that secures and simplifies modern networks for enterprise power branches. The company is specializing in SASE and combines extensive security, advanced networking, full-featured SD-WAN, genuine multitenancy, and sophisticated analytics via the cloud, on-premises, or as a blended combination of both to meet SASE requirements for small to extremely large enterprises and Service Providers. Versa SASE is available on-premises, hosted through Versa-powered Service Providers, cloud-delivered, and via the simplified Versa Titan cloud service designed for Lean IT. Thousands of customers globally with hundreds of thousands of sites trust Versa with their networks, security, and clouds.

View Full Page
Website
www.versa-networks.com
Employee range
501 – 1,000
Web Traffic (Monthly)
Funding amount
$196.3M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
10th
Wirestock logo
WirestockSB Score: 535

Wirestock helps leading AI labs acquire multimodal data sourced from a global network of content creators.

View Full Page
Website
wirestock.io
Employee range
5,001 – 10,000
Web Traffic (Monthly)
Funding amount
$2.3M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
11th
ControlUp logo
ControlUpSB Score: 532

ControlUp is a Digital Experience Monitoring and Optimization platform that transforms the way IT manages systems, troubleshoots issues, and helps deliver a great user experience. More than 1,000 organizations around the world rely on ControlUp to save time, money, and precious human resources to ensure business continuity.

View Full Page
Website
www.controlup.com
Employee range
251 – 500
Web Traffic (Monthly)
Funding amount
$140.2M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)

Total amount:636

Most Funded Startups in San Jose for 2026

The top three most funded startups in San Jose have raised total funding of more than USD 2.91B. Lacework has 2.20% more funding than Celestial AI.
1st
Lacework logo
LaceworkSB Score: 528

Lacework is a security platform for cloud generation that provides automated threat defense and intrusion detection for cloud workloads. Its platform automates every aspect of security, including configuration assessment, behavior monitoring, anomaly, and threat detection as well as incident investigation and provides continuous monitoring of all cloud components such as workloads, applications, processes, containers, machines, users, and accounts that enable security teams to protect data and workloads in the cloud and maintain continuous compliance. The company was founded in 2015 and is based in Mountain View, California.

View Full Page
Website
www.lacework.com
Employee range
1,001 – 5,000
Web Traffic (Monthly)
Funding amount
$1.9B
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
2nd
Celestial AI logo
Celestial AISB Score: 444

Celestial AI is a machine learning accelerator company developing an optical interconnect technology platform for data centers and AI solutions. It utilizes the advantages of photonics, mixed-signal ASICs, and advanced packaging to offer a sustainable improvement in computing performance that helps clients deliver superior AI acceleration hardware and software alternatives. The company's Photonic FabricTM provides the foundational technology for optically scalable, disaggregated data center computing and memory to unleash advancements in AI with sustainable and profitable business models.

View Full Page
Website
www.celestial.ai
Employee range
101 – 250
Web Traffic (Monthly)
Funding amount
$593.9M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
3rd
SiMa.ai logo
SiMa.aiSB Score: 470

SiMa.ai is a software-centric, embedded edge machine learning system-on-chip company (MLSoC) that develops machine learning technology to deliver a software-centric platform. With push-button performance, they enable effortless ML deployment and scaling at the embedded edge by allowing customers to address any computer vision problem while achieving 10x better performance at the lowest power. The company's hardware-to-software stack flexibly adjusts to any framework, network, model, sensor, or modality all in one platform. Edge ML applications that run completely on the SiMa.ai MLSoC see an increase in performance and energy efficiency and bring higher fidelity intelligence to ML use cases spanning computer vision to generative AI.

View Full Page
Website
sima.ai
Employee range
101 – 250
Web Traffic (Monthly)
Funding amount
$355M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)

Total amount:636

Top Hiring Startups in San Jose by Employee Number

The top three hiring startups in San Jose have an median employee size that is between [10001+]
1st
Align Technology logo
Align TechnologySB Score: 650

Align Technology, Inc. designs, manufactures, and markets the invisalign system for treating malocclusion or the misalignment of teeth. Invisalign corrects malocclusion using a series of clear, nearly invisible, removable appliances that gently move teeth to a desired final position. The company's products include Invisalign Full for the treatment of a range of malocclusions; Invisalign Express, a solution for less complex orthodontic cases; Invisalign Teen, which is designed to meet the specific needs of the non-adult comprehensive or teen treatment market; Vivera retainers that offer aesthetic retention solution for invisalign and non-invisalign patients; and Invisalign Assist, which is designed for general practitioners for selecting, monitoring, and finishing invisalign cases. It also offers ancillary products comprising cleaning material and adjusting tools for dental professionals. Align Technology distributes its products directly to orthodontists and general practitioner dentists in North America, Europe, the Asia Pacific, Latin America, and Japan. The company was founded in 1997 and is headquartered in Santa Clara, California.

View Full Page
Website
www.aligntech.com
Employee range
10,001+
Web Traffic (Monthly)
Funding amount
$131M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
2nd
Half.com logo
Half.comSB Score: 489

Half.com is a person-to-person online marketplace that was acquired by [eBay](http://www.crunchbase.com/organization/ebay) in June 2000. Half.com was founded in 1999 by American entrepreneur Josh Kopelman (Infonautics, Turntide, Comcast Interactive Capital, First Round Capital) and Sunny Balijepalli (who more recently founded ZoomIn.com).[2] As an advertising gimmick, in December of the same year, the company paid the town of Halfway, Oregon US$100,000 and donated 20 new computers to change its name to ""Half.com, Oregon"" for a year.

View Full Page
Website
www.half.com
Employee range
10,001+
Web Traffic (Monthly)
Funding amount
$17M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
3rd
Sanmina Corporation logo
Sanmina CorporationSB Score: 327

Sanmina Corporation provides electronics manufacturing services, focusing on integrated manufacturing solutions and components for various industries. The company serves sectors such as communications, medical, and defense, delivering tailored services that encompass design, engineering, and supply chain management. Sanmina also offers after-market services, ensuring ongoing support for original equipment manufacturers. By leveraging advanced technologies and processes, Sanmina meets the diverse needs of its clients, facilitating efficient production and distribution of electronic products. The company emphasizes collaboration with clients to optimize their operations and enhance product offerings.

View Full Page
Website
sanmina.com
Employee range
10,001+
Web Traffic (Monthly)
Funding amount
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)
4th
Wirestock logo
WirestockSB Score: 535

Wirestock helps leading AI labs acquire multimodal data sourced from a global network of content creators.

View Full Page
Website
wirestock.io
Employee range
5,001 – 10,000
Web Traffic (Monthly)
Funding amount
$2.3M
National Rank(United States)
Regional Rank(North America)
Global Rank(Worldwide)

Total amount:1066

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Top Cities for Startups in United States - Ranked by StartupBlink

StartupBlink ranks the startup ecosystems of more than 100 countries and 1,000 cities. Download our latest Global Startup Ecosystem Report.
2026 National Rank CityGlobal RankTotal Score & National ShareAnnual Growth

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