Top California E-Commerce Companies (989)

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, Fanatics, AMC Theatres, PayPal, Uber, Hulu, Staples, Albertsons and...

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...

WHY Brands Inc., a parent company of Munchkin and Curio Home Goods, focuses on creating, incubating, and growing the next generation of consumer lifestyle brands. Founded in 1990, Munchkin is the leading consumer product company and most loved baby lifestyle brand behind the innovative gear and products for children, mothers and caregivers. Munchkin has sold billions of dollars of products...

Klaviyo (NYSE: KVYO) is the B2C CRM. Powered by its built-in data platform and AI, 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 over 183,000 brands like Mattel, Glossier, Daily Harvest, and Liquid Death deliver 1:1 experiences at scale, improve efficiency,...

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...

Product.ai (formerly Demand.io) is the truth layer for commerce. Built on Axiomatic Intelligence — a proprietary adversarial reasoning methodology that stress-tests product claims against physics, economics, and engineering constraints — Product.ai delivers verified purchase verdicts, not summaries. Product.ai tells consumers when NOT to buy. Product.ai emerges from Demand.io, a profitable, bootstrapped AI commerce company whose SimplyCodes platform processes over $1B...

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...

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...

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...

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, insurance, and healthcare education. We actively work to foster a creative, collaborative, and...

Golden Pet Brands is leading America’s pet health revolution by making longevity-focused nutrition simple for pet parents, and rewarding for pets, through product excellence, education, and storytelling.

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.

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...

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...

With over 1,400 team members across multiple companies dedicated to improving lives, 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 entire process happens in-house.

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...

Super-charged customer acquisition. Centerfield delivers outcome-based digital marketing solutions and personalized omnichannel experiences for the world’s leading brands. Powered by our proprietary Dugout platform, Centerfield acquires customers at scale for leading residential service, insurance, e-commerce and B2B brands. Centerfield’s digital experiences and digital brands, such as Business.com and BroadbandNow.com, reach more than 150 million in-market shoppers annually. Centerfield is headquartered...

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 &...

ClickMint helps e-commerce brands generate more revenue from the traffic they already pay for. We build and operate channel-adapted shopping funnels for paid social, affiliate, PPC and other acquisition channels—aligning the post-click experience to traffic intent instead of sending every visitor through the same generic path. Our system combines diagnostics, experimentation, measurement and senior operator oversight to improve revenue per...

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...