Top California E-Commerce Companies (978)

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn’t work together. So we expanded into software and started building integrated, omnichannel solutions – to help sellers sell online, manage...

Klaviyo (NYSE: KVYO) is the only CRM built for B2C brands. Powered by its built-in data platform and AI insights, Klaviyo combines marketing automation, analytics, and customer service into one unified solution, making it easy for businesses to know their customers and grow faster. Klaviyo (CLAY-vee-oh) helps relationship-driven brands like Mattel, Glossier, CorePower Yoga, Daily Harvest and 176,000+ others deliver...

Commerce (Nasdaq: CMRC) empowers businesses to innovate, grow, and thrive through an open, AI-driven commerce ecosystem. As the parent company of BigCommerce, Feedonomics, and Makeswift, we help brands unlock the full potential of their data, connect systems, and deliver seamless, personalized experiences across every channel. Visit commerce.com or follow us for more. #PoweredByCommerce

Rokt is the global leader in ecommerce, unlocking real-time relevance in the moment that matters most - The Transaction Moment. Rokt’s AI Brain and Ecommerce Network powers billions of transactions connecting hundreds of millions of customers, and is trusted to do this by the world’s leading companies including Live Nation, Macy’s, AMC Theatres, PayPal, Uber, Hulu, Staples, Albertsons and HelloFresh. Headquartered in New York...

Block, Inc. is a global technology company with a focus on financial services. Made up of Square, Cash App, Afterpay, TIDAL, Bitkey, and Proto, Block, Inc. builds technology to increase access to the global economy. Each of our brands unlocks different aspects of the economy for more people. Square makes commerce and financial services accessible to sellers. Cash App is the...

Taskrabbit is a marketplace platform that conveniently connects people with Taskers to handle everyday home to-do’s, such as furniture assembly, handy work, moving help, and much more. Acquired by IKEA Group - the world’s largest furniture retailer - in 2017 At Taskrabbit, we want to make your neighborhood a little more familiar. Whether it’s a handyman (or woman!), a housecleaner, moving...

At Crunchyroll, we deliver what anime fans love—anytime, anywhere. With the world’s largest anime streaming library, we connect fans to the stories, characters, and creators they love. But Crunchyroll is more than just a destination to watch anime—it's a global ecosystem where anime lives and breathes beyond the screen. From streaming and theatrical releases to merch, games, news, events, and music, we...

Collectors has multiple business lines that grade, authenticate, and sell millions of high-value, record-setting collectibles. We're the leader in third-party authentication and grading services for high-value collectibles including trading cards (Professional Sports Authenticator and Card Ladder), coins (Professional Coin Grading Services), video games (Wata), event tickets, autographs, and memorabilia, and with your help we can continue to grow rapidly. Our...

People Inc. is America’s largest digital and print publisher. Our 40+ iconic and fast-growing brands harness the best intent-driven content, the fastest sites, and the fewest ads to help nearly 200 million people every month, including 95 percent of US women, make decisions, take action, and find inspiration. People Inc. brands include PEOPLE, Better Homes & Gardens, Verywell, FOOD &...

As the trusted choice for digital agencies, SaaS platforms, and web professionals, Duda powers over 1 million websites worldwide. Our platform offers a comprehensive suite of tools that enable users to efficiently create pixel-perfect, feature-rich websites at scale.

ClickMint pairs proprietary generative-AI diagnostics with senior CRO operators to uncover friction, launch precision tests, and unlock compounding gains—helping high-growth e-commerce brands scale faster without buying more traffic. Founded by the creator of one of the nation’s top-performing digital marketing firms—honored by Inc. as a Fastest-Growing Company for seven consecutive years and ranked among the Top 50 U.S. marketing agencies...

Optimal is a performance marketing agency on a mission, to bring together the best data, technology, and people to achieve our clients’ marketing goals. Brand, campaign, or cause: we maximize performance at every moment. We are not only digital media strategists – we’re award-winning industry leaders, with deep knowledge spanning all things digital: from advertising and paid media to marketing and...

Our digital marketplace connects thousands of businesses and more than six million workers, actively working to help bridge the labor demand/supply gap. Instawork helps businesses in food & beverage, hospitality, and warehouse/logistics industries fill temporary and permanent roles in more than 40 U.S. markets. We have been fortunate to be funded by world-class investors in Silicon Valley including: Benchmark (Bill Gurley),...

In 2005, we launched Brilliant Earth to raise the standards in the jewelry industry while creating beautiful fine jewelry that is different in every way – how it’s made, how it’s sold, how it’s sourced and crafted, and how it gives back. As a result, we go beyond current industry practices for sourcing, use recycled precious metals to minimize our...

Babylist is the trusted platform for millions of growing families. For over a decade, Babylist has been the technology solution for expecting parents and the community that supports them, expanding from baby registry into a full-service platform that helps parents make decisions with confidence, stay connected, and build happy and healthy families. Every year Babylist helps over 9M people make...

Founded in 2014, Opendoor’s mission is to empower everyone with the freedom to move. We believe the traditional real estate process is broken and confusing. It often comes with unexpected costs, the added burden of coordinating multiple third parties and the uncertainty of a transaction falling through. Our goal is simple: build a digital, end-to-end customer experience that makes buying...

Thrive Market was founded in 2014 with a mission to make healthy and sustainable living easy and affordable for everyone. We're an online grocery store that delivers the highest-quality organic and sustainable products at member-exclusive low prices. What's more, every paid annual membership sponsors a free one-year membership for a family in financial need. Every day, we leverage innovative technology...

Aceable is a mobile education platform, focused on creating affordable, engaging, and convenient educational content. Our Austin-based team is obsessed with helping people pursue their dreams with continued education. After launching our first mobile app to provide accredited driver's ed courses, Aceable expanded into real estate, mortgage, and healthcare education. We actively work to foster a creative, collaborative, and diverse...

Our Mission: Create a world where everyone has an authentic digital identity. Identity Digital is an internet infrastructure company that makes sure web addresses work seamlessly. If we do our job right, we are invisible to the user. We have the world’s largest portfolio of nearly 300 TLDs like .info, .pro, .world, which lets people and businesses build, market, and own...

With over 1,400 team members across multiple companies, dedicated to improving the lives of people and their pets, we create best-in-class products that bring health and happiness. Our creative content educates the world on making smarter health choices, while the brands we own generate over $1 billion of revenue annually. From brand ideation to ad creation to product fulfillment, the...