Top California E-Commerce Companies (983)

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...

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...

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....

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...

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...

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...

Webflow empowers designers and developers to create powerful, stunning websites without code. With the world’s first visual CMS, and a pixel-perfect designer that writes HTML and CSS for you, anyone can build professional websites and apps to run their business, build a community, and share knowledge. Our company mission is two-fold: To enable everyone to create for the web —...

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...

Million Dollar Baby Co. started in 1990 and is proudly family-owned and operated in Los Angeles. Over 35 years later, MDB has grown to 6 distinct brands of children's furnishings ranging in style, aesthetic, and price point, while carrying some of the industry's most eco-conscious and award-winning designs. We can be found in mass retailers like Target and Amazon to...

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 &...

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...

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...

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...

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...

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),...

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...

Mixbook is an award-winning design platform that gives people unrivaled creative freedom to tell their stories through beautiful, personalized photo goods. Since our start, we’ve helped more than 6 million people create one-of-a-kind books, cards, prints, and calendars, earning over 35,000+ 5-star reviews and becoming the #1 rated photo book service in the US. Our platform blends trend-forward design with a...

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...