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2025 Best Tech Startups in California

thetechtribune

Powered by CrunchbaseThe Tech Tribune staff has compiled the very best tech startups in California. In doing our research, we considered several factors including but not limited to:

  1. Revenue potential
  2. Leadership team
  3. Brand/product traction
  4. Competitive landscape

Additionally, all companies must be independent (unacquired), privately owned, at most 10 years old, and have received at least one round of funding in order to qualify.

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10. Faire

Faire

Founded: 2017

Also honored in:

“Empowering brands and retailers to strengthen the unique character of local communities.”

9. Metropolis

Metropolis

Founded: 2017

Also honored in: 2024 Best Tech Startups in California

“Metropolis is an artificial intelligence company for the real world. Metropolis’ computer vision platform enables people to transact in the physical world with even greater ease than we experience online. Today, we are reimagining parking. Because it’s important, it’s everywhere, and impacts everyone – enabling millions of consumers to just “drive in and drive out” – that’s it. Tomorrow, we will power “checkout-free” experiences anywhere you go.”

8. Rippling

Rippling

Founded: 2016

“Rippling is a workforce management system that eliminates the friction from running a business. Today, most companies struggle with everything from routine tasks, like running payroll, to cross-functional planning, like aligning on headcount. That’s because all their data related to people, processes, and systems is scattered in a hundred places.

Rippling has every application you need to run your business—from applicant tracking and payroll to IT and expenses—in one place. But unlike other systems, Rippling sits on top of a unified platform. Data flows dynamically between Rippling’s applications, giving every team a shared source of truth, the power to automate processes, and access to the insights they need. This allows your business to execute better, faster.”

7. Nuro

Nuro

Founded: 2016

Also honored in:

“Nuro exists to better everyday life through robotics.

Founded in 2016, Nuro is a leading AI Robotics company with fully autonomous vehicles on road today in California and Texas. The company’s core technology is the Nuro Driver™, an integrated autonomous driving system consisting of state-of-the-art, AI-first software and automotive grade L4 sense and compute hardware. The first commercial application of the Nuro Driver™ is autonomous goods delivery with our custom, electric, zero-occupant vehicles in partnership with some of the most recognized brands in the world including Uber and FedEx.”

6. Navan

navan

Founded: 2015

Also honored in:

“Navan is the all-in-one super app that makes travel and expense easy so you can focus on being there, not getting there. Say goodbye to spending hours on the phone trying to change your flight or saving stacks of receipts to manually input expenses.

From EAs and finance teams to travel managers and employees, Navan empowers people to concentrate on the things that matter most to them — all while providing companies with real-time visibility, savings, and control.”

5. Resilience

Resilience

Founded: 2020

Also honored in our:

“Resilience (National Resilience, Inc.) is a first-of-its-kind manufacturing and technology company dedicated to broadening access to complex medicines and protecting biopharmaceutical supply chains against disruption. Founded in 2020, the company is building a sustainable network of high-tech, end-to-end manufacturing solutions to ensure the medicines of today and tomorrow can be made quickly, safely, and at scale.”

4. Altos Labs

Altos Labs

Founded: 2021

“Altos Labs is a biotechnology company focused on restoring cell health and resilience through cell rejuvenation to reverse disease, injury, and the disabilities that can occur throughout life. The company comprises a community of leading scientists, clinicians, and leaders from academia and industry working together towards this common mission.

Altos operates in the San Francisco Bay Area, San Diego and Cambridge, UK.

Note: Altos Labs will not ask you to download a messaging app for an interview or spend your own money to get started as an employee. If this sounds like your interaction with people claiming to be with Altos, it is not legitimate or a practice within our organization.”

3. Anduril Industries

Anduril Industries

Founded: 2017

Also honored in:

“Anduril is not a traditional defense contractor. We are shaping the future of defense, transforming US & allied military capabilities with advanced technology.

We emphasize speed and results and control our products from start to finish, including funding R&D to selling finished products off the shelf. Today, Anduril is in a rapid growth phase, deploying technology in diverse locations and developing path-making products that will change defense forever.

We believe that everyone at Anduril can be a catalyst. Your perspective can change lives, and we want to help you make your mark. Our team includes thinkers and doers working interdependently. We bring the brightest minds and best-in-class talent together with veterans who have lived the problems of our warfighters.”

2. Anthropic

Anthropic

Founded: 2021

Also honored in: 2024 Best Tech Startups in California

“We’re an AI research company that builds reliable, interpretable, and steerable AI systems. Our first product is Claude, an AI assistant for tasks at any scale. Our research interests span multiple areas including natural language, human feedback, scaling laws, reinforcement learning, code generation, and interpretability.”

1. OpenAI

OpenAI

Founded: 2015

Also honored in our:

“OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. AI is an extremely powerful tool that must be created with safety and human needs at its core. OpenAI is dedicated to putting that alignment of interests first — ahead of profit.

To achieve our mission, we must encompass and value the many different perspectives, voices, and experiences that form the full spectrum of humanity. Our investment in diversity, equity, and inclusion is ongoing, executed through a wide range of initiatives, and championed and supported by leadership.

At OpenAI, we believe artificial intelligence has the potential to help people solve immense global challenges, and we want the upside of AI to be widely shared. Join us in shaping the future of technology.”

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