Top Tech Startups in California, US in 2024

Plymouth is a technology platform that provides the fastest global mobility solutions. In 10 years, Plymouth will replace law firms so that immigrant talent can move worldwide. Over the last year, we've made fast progress, with customers from rapidly growing seed-stage startups to series E companies. Our current customers include Midjourney, Replit, Together AI, Pika AI, RunwayML and 100+ more. We currently have more demand than we can serve and have an initial product that users love. We’re building quickly to serve hundreds of thousands of users — from small startups to large corporations. Our vision to the backbone of technological progress globally by enabling talent to move to the country where they’ll be most productive.

High-precision brand engagement for a digital-smart world. We speak up against bland, broad-brush generalizations. We fight for solutions that adapt to the individual's needs, beliefs, behaviors and aspirations. We commit to doing this in every aspect of our work, for our clients and our clients’ consumers. We empower our employees to have no fear in expressing their own individuality.

At Ionic, we are creating the next-generation affiliate marketing platform and influencer network powered by AI. We’re changing the way brands and creators collaborate, enabling go-to-market and growth marketing teams to achieve better results faster. With our intelligent solutions, we recruit, manage and optimize brand affiliate and influencer campaigns, balancing cutting-edge technology with human insight. We’re a small team, led by serial entrepreneurs with experience at Uber, Affirm, Bungalow, and Neon. We’ve raised from top venture capital firms XYZ and Wave Capital.

We help Marketing teams invest in the right channels and campaigns, confidently. This is a "Salesforce for Marketing" sized opportunity in a $1T market. Our product is powered by machine learning that forecasts returns and runs experiments to determine causal impact.

At Essay Eye, we are dedicated to revolutionizing the educational landscape by harnessing the power of artificial intelligence. Our platform is meticulously designed to assist educators in efficiently evaluating student essays, delivering insightful feedback, and optimizing grading processes. By automating these time-intensive tasks, we enable teachers to dedicate more time to instruction and student development. Our commitment lies in enhancing the teaching experience and fostering academic excellence through innovative AI-driven solutions.

We’re a team of two UC Berkeley PhD grads starting a company (currently in stealth) around the MemGPT project (10k+ GitHub stars). The founding team comes from the same research lab and PhD advisors at Berkeley that produced Spark (→ Databricks) and Ray (→ Anyscale). We have deep expertise in both AI and systems, are currently hiring a founding team of exceptional engineers to join us in building the next generation of LLM agent technology.

CX2 is a next-generation defense technology company, headquartered in El Segundo, California. Our mission is to secure spectrum dominance for the United States and our allies by building AI-enabled hardware and software platforms to detect, disrupt and defend the electromagnetic spectrum across land, air, sea and space. Founded by a team of veteran entrepreneurs with backgrounds from Meta, SpaceX, Epirus and a16z, we are backed by the leading venture investors in the defense ecosystem.

Who is buycycle? buycycle is a leading online marketplace, dedicated to the sale and purchase of pre-owned sports bicycles, specifically focusing on road, mountain, and gravel bikes. Founded by Theodor Golditchuk and Jonas Jäger, buycycle offers a seamless platform for cycling enthusiasts to evaluate, sell, and buy high-quality bicycles from trusted sources globally. What does buycycle do? Committed to transparency and user satisfaction, buycycle ensures each transaction is secure, with comprehensive customer service to assist buyers and sellers throughout the process. The company also provides various optional services, including premium bike checks and inspection vouchers, to enhance the buying experience. What is buycycle's approach? buycycle's innovative approach combines an extensive database of bikes, detailed listings with unretouched images, and expert evaluations, making it a go-to destination for both casual cyclists and serious athletes. With a strong emphasis on quality and customer trust, buycycle continues to foster a vibrant community of cycling enthusiasts worldwide. For more information, visit buycycle.com/en-us. For inquiries, contact us at [email protected].

Obinex is a pre-seed stage startup on a mission to develop a simple ecosystem to foster the adoption of centralized economic principles while ensuring enhanced security through a disruptive and holistic approach.