Startups in Sunnyvale

138 companies · 75 open roles in Sunnyvale, United States.

By the Numbers

138Startups

75Open roles

View jobs →

$989.7MTotal funding raised

20Companies hiring

$76.2MMedian funding

Funding

Series A 22Series B 29Series C 16Series D 12Venture Round 16

Industries

Software Development 5 SaaS 3 AI/ML 2 Medical Equipment Manufacturing 2 Computer Hardware Manufacturing 2 Computer and Network Security 2 1 Software 1 Automotive 1 Data Engineering 1

Roles

Featured

Leading startups in Sunnyvale

Scout AI

Sunnyvale

$115M

Scout AI is a venture-backed defense technology company founded in 2024, focusing on AI for defense robotics. Headquartered in Silicon Valley with a Maine center of excellence, it aims to keep the U.S. and allies ahead in defense.

Aerospace and DefenseEst. 2024

Realm Labs

Sunnyvale

$5M

Realm Labs is an AI security company that focuses on helping enterprises secure and monitor AI applications and data.

Computer and Network SecurityEst. 2023

Akuity

Sunnyvale

$24.5M

Cloud Native Software Delivery, Powered by AI

Software DevelopmentEst. 2021

Now hiring

75 open roles at Sunnyvale startups

H-1B visa sponsors →Browse jobs →

Software Development, SaaS, AI/ML & more

135 startups

Pebble

Sunnyvale

Pebble is a Fremont-based tech and sustainable living company that electrifies travel trailers with solar-battery power, AI features, and luxury design, disrupting the RV industry and pursuing rapid commercialization with a modular roadmap

Automotive$13.6MEst. 2022

Altimate AI

Sunnyvale

Altimate AI, founded in 2022 in San Francisco, delivers AI-driven automation for enterprise data operations and analytics to automate and accelerate data tasks, aiming to ease overworked data teams; backed by prominent investors and serving

Data Infrastructure and Analytics$12MEst. 2022

Sonatus

Sunnyvale

Sonatus enables AI-enabled software-defined vehicles for leading OEMs, accelerating the transformation of automotive software. Its technology is in production in more than 5 million vehicles and is rapidly expanding.

Automotive$110MEst. 2018

Kody

Sunnyvale

Agentic Commerce Platform modernising larger businesses with physical locations.

Financial Services$37MEst. 2018

Tensordyne

Sunnyvale

Tensordyne is a technology company involved in building AI math, chips, hardware, and software in order to make AI affordable and efficient.

Computer Hardware Manufacturing$211.1M

Ceribell

Sunnyvale

Ceribell focuses on making electroencephalography accessible, efficient, and cost-effective.

Medical Equipment Manufacturing$171MEst. 2014

SafeBreach

Sunnyvale

Validate Your Controls.

Computer and Network Security$106.5MEst. 2014

ScyllaDB

Sunnyvale

ScyllaDB produces a NoSQL database compatible with Apache Cassandra and Amazon DynamoDB at 10x the throughput with reliably low latencies.

Software Development$103MEst. 2013

Miradia

Sunnyvale

Miradia is specialized in designing and manufacturing micro-electro-mechanical system (MEMS) products.

Consumer Electronics$76.2M

Sekai

Sunnyvale

Sekai Project a publisher for visual novel, games, animation, manga and more.

$3.1M

Alpha & Omega Semiconductor

Sunnyvale

Powering a Greener Future™

Semiconductor Manufacturing$1.8MEst. 2000

EBR Systems

Sunnyvale

EBR Systems is a provider of wireless cardiac pacing system for millions of patients suffering from cardiac rhythm diseases.

Medical Equipment ManufacturingPublicEst. 2003

Sunnyvale snapshot

Software Development leads with 138+ startups

$989.7MTotal Raised

Sunnyvale

Nom Nom Ice Cream is a food and beverage company that specializes in gelato and ice cream treats for events, gifting, and celebrations.

Software DevelopmentEst. 2003Hiring fast

Knightscope

Sunnyvale

Knightscope specializes in developing autonomous security robots.

Public SafetyPublicEst. 2013Hiring fast

Cepheid

Sunnyvale

Cepheid is a diagnostics company that provides molecular systems and tests for organisms and genetic-based diseases.

Biotechnology ResearchEst. 1996

Cairns Health

Sunnyvale

Cairns Health is a health technology company aimed at improving care for people with chronic conditions. It seeks to make healthcare more accessible by simplifying complex care plans, connecting care teams, and meeting patients where they l

HealthTechSeed