Top Tech Startups in California, US in 2024

Fast becoming the default for corporate travel and spend management, TripActions is the leading cloud-based T&E platform that combines industry-first technology with best-in-class travel agency service. Trusted by travel managers and finance teams alike at more than 5,000 companies globally, TripActions leverages real-time data to keep traveling employees safe, control costs, and save time. TripActions’ investors include such visionaries as Andreeeseen Horowitz, Lightspeed Ventures, GreenOaks Capital, Zeev Ventures, and entrepreneurs Lee Fixel and Elad Gil. In October of 2021, TripActions announced its Series F funding of $275M at an upround valuation of $7B+ to help accelerate future growth plans. At TripActions, we’re never satisfied with the status quo, and we know breakthrough ideas come from diverse perspectives. We are committed to cultivating a workplace that reflects the diversity of the customers we serve while fostering leadership and innovation. All voices are valued here and you’ll have the resources, tools, and training you’ll need to do the best work of your life. Here is more information about our Fintech Product called Liquid: TripActions LiquidTM is a next-generation spend management solution that is disrupting the market by offering virtual and physical corporate cards that eliminate the need for traditional expense reports—from approval submission to reconciliation. By tying the cards to customized spend policies and employees’ itineraries, TripActions Liquid automatically recognizes and files reports at time of purchase for real-visibility and control over spend. In October 2021, TripActions announced its Series F funding of $275M at an up-round valuation of $7B+ to help accelerate future growth plans. In April of 2021, TripActions and Visa announced an expanded strategic partnership. Through the new partnership with Visa, TripActions will accelerate the growth of its next-generation corporate card offering, increasing access to flexible paym

We humans are toolmakers by nature, but most of us can't build or modify the software we use every day — arguably our most powerful tool. Here at Notion, we're on a mission to make it possible for everyone to shape the tools that shape their lives. Notion blends your everyday work tools into one. Product roadmap? Company wiki? Meeting notes? With Notion, they're all in one place, and totally customizable to meet the needs of any workflow — from teams of 1 to over 1,000. Notion is the all-in-one workspace for you, your team, and your whole company.

Freenome is on a mission to empower everyone with the tools they need to detect, treat, and ultimately prevent diseases. If you crave challenges, understudied problems, and the chance to see your work impact the millions of lives touched by cancer, there’s no better place to be. We are committed to our core values of empathy, integrity, and trust enable us to push through challenges, learn from mistakes, and support one another to reach our fullest potential. By applying advanced ML techniques to recent breakthroughs in genomic science, Freenome is developing simple blood tests to detect early-stage cancer and make treatments more effective. The company has raised $238M from investors such as RA Capital, Polaris Partners, Perceptive Advisors, a16z, funds/accounts advised by T. Rowe Price Associates, Inc., GV (fka Google Ventures), Roche Venture Fund, Kaiser Permanente Ventures, American Cancer Society’s BrightEdge Ventures, Data Collective Venture Capital, & Verily Life Sciences.

Aya Healthcare, Inc. is a leading provider of travel healthcare and per diem staffing solutions to healthcare facilities throughout the United States.

Convoso’s mission is to create innovations that enable contact center owners to hit performance metrics that they never thought possible. We are passionate about our customer’s success and have a proven track record of delivering outstanding results that drive more engaged call center agents, boost in margins, and breakthrough years in profit. We consider our customers to be our partners and work hand in hand with them to achieve maximum results because without them we don’t exist. It is an amazing feeling to have a direct impact on our customer’s growth from head count and all the way to revenue and profits.

WorkHelix is building a workforce management platform to help our customers execute their missions to bring value to their customers. We are starting with a compensation management tool suite, providing a source of truth for employee data with applications to facilitate faster and more effective talent investment.

Hey, we’re Deepgram! We’re an AI speech platform whose mission is to make every voice heard and understood. Our end-to-end deep neural network is revolutionizing the speech-to-text market and taking on the big guys. We’re redefining what companies can do with voice by offering a platform with AI architectural advantage, not legacy tech retrofitted with AI. Deepgram delivers highly accurate, actually usable transcription, right out of the box – or you can train a model for even greater accuracy on the unique words that matter to you. ✅ Live-stream or pre-recorded ✅ On-prem or in the cloud ✅ Scalable and affordable ✅ Dozens of languages and use case models ✅ Features like diarization, summarization, language/topic detection, and more. We’ve raised over $86 million and have been recognized as an Inc. Best Workplace (2021 and 2022), a Forbes Top 50 AI Company to Watch (2021), and a CB Insights Top 100 AI Startup (2021), among others. Come join our revolution to unlock the power of voice technology for everyone. We want to hear what you’ve got to say! An NVIDIA partner and Y Combinator company

Variation of diagnosis is a challenge in dentistry. Going to 10 different dentists can result in 10 very different diagnoses. This variation adversely affects the quality of patient care and results in reduced profitability for practices and insurance companies. Overjet was founded by leading experts from MIT and Harvard School of Dental Medicine who are dedicated to solving the most challenging problems in $130B dental industry to improve care for millions of patients. Overjet's Intelligence Platform analyzes dental data to determine what treatments are necessary for the patient. This helps automate claim review process for dental insurance companies saving them millions of dollars spent on hiring dental reviewers. It also helps increase practice profitability and standardize patient care for group dental practices by identifying necessary but missed treatments by dentists.

Ever talk to a really good AI when you call customer service? That’s (probably!) powered by us at Flip - a profitable, fast-growing startup raising our Series A. Having Flip's voice assistant makes for: ✅ Happier customers: 24/7 on-brand resolutions, with high success rates. ✅ Happier agents: instead of an avalanche of tickets, more of a 'manageable handful' :) ✅ Happier businesses: happier customers & happier agents, all while saving $$$$! Flip: where rich conversations happen and brand love is built, at scale. Check us out at flipcx.com!

Oklo is a California-based company developing clean energy plants to provide emission-free, reliable, and affordable energy using advanced fission. Oklo is a fast-growing startup with a history of reliable funding and milestones for more than 5 years. Oklo’s first product is a microgrid scale powerhouse. The powerhouse can produce clean energy for decades without needing to refuel, and also has the capability to turn nuclear waste into clean energy. Oklo received a Site Use Permit from the U.S Department of Energy, demonstrated fabrication of its fuel, was awarded fuel from the Idaho National Laboratory, and submitted the first accepted advanced fission license application to the regulator. Oklo has been featured in Popular Mechanics, Wired, Architectural Digest, Hyperallergic, POWER Magazine, and has been the subject of a Harvard Business School case, and was featured in the documentary The New Fire, among many other features.