Top California E-Commerce Startups (549)

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...

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...

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...

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.

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...

Million Dollar Baby Co. started in 1990 and is proudly family-owned and operated in Los Angeles. Since then, MDB has grown to 7 distinct brands of children’s furnishings ranging in style, aesthetic, and price, while carrying some of the industry’s most eco-conscious and award-winning designs. We can be found in retailers like Target and Amazon, and specialty retailers like Pottery...

Born out of necessity, RapidX is a lifestyle-forward brand that creates practical, stylish, and dynamic products you enjoy that enhance your life On the Go, at Home, or in the Office. Our philosophy is to design products based on customer input from the bottom up, creating a consumer-centric portfolio melded with innovation and technology efficiency. RapidX products are functionally unique,...

Blacksmith Agency is a full-service agency, focuses on offering its services within web designing, wireframing and content creation.

Manhead is a worldwide, full service, merchandise and experiential company catering to the music and entertainment industries with offices in Nashville, New York, and Los Angeles. For over 15 years, Manhead has succeeded as one of the leading, independently owned music/entertainment merchandise companies, specializing in touring, e-commerce, creative, retail, licensing, collaborations, and pop-up shops.

Reli. is a family-owned business built around strong values and a passion to serve our customers. Our drive stemmed from seeing a need for custom-tailored quality products at wholesale prices & quantities. We wanted to be able to put quality first and still be able to provide honest pricing. With our global and domestic operations, we have the freedom to center each and every decision around our valued...

Accounts Payable (and Receivable, too) Made Easy! At Checkbook, we have built a way to send and receive Digital Checks instead of dealing with paper and postage, or expensive online transactions. Digital Checks offer a clear financial and operational advantage for businesses with instant delivery, and online deposit, at a fraction of the cost of other payment options. Just $1 per...

EasyPost is a Shipping API that solves complex logistics problems for eCommerce businesses, enabling them to deliver an online shopping experience that delights customers. Some of the biggest names in retail rely on EasyPost to ship faster, smarter, and cheaper. We manage the headaches involved with dated carrier technology so our customers can focus on what grows their business. Integrate once...

MeUndies is a Los Angeles-based underwear & loungewear company best known for its softer than soft basics. Founded in 2011, MeUndies disrupted the $110B underwear industry when it launched the first online underwear subscription. Through the years the brand has inspired a passionate community of undie-obsessed individuals with its bold products.

A category leader in results-driven growth marketing, Darkroom’s success is attributed to our unique partnership model, purposefully built to launch brands to market and accelerate growth. Our model is predicated on four major disciplines — Brand & Identity, Digital Products, Creative Production and Growth Marketing – threaded by one cohesive, interdisciplinary team.

SPREEAI is redefining how the world shops—powered by AI, built for the future.

1stMILE (formerly Merchant Partners) is a software technology company based in Redmond that provides a consumer driven commerce platform to businesses in the automotive marketplace. We have more than 12,000+ locations using our 1stMILE software to process payments and increase revenue via our integrated solutions.

U.S. Venture Partners (USVP) is a leading Silicon valley-based venture capital firm, helping entrepreneurs build world-class companies since 1981. U.S. Venture Partners (USVP), is a venture capital investment firm headquartered in Menlo Park, California in the heart of Silicon Valley focusing on investments in an array of segments including enterprise software, cyber security, consumer, e-commerce, healthcare, and IT-enabled healthcare services. Since...

Catalate empowers attractions, waterparks, ski areas, and other ticketing businesses to maximize revenue year-round, offer seamless online customer experiences, and gain operational efficiencies from advanced sales. Catalate delivers the ultimate digital platform for pricing optimization and e-commerce for global ticketed attractions of all sizes. Customers can purchase tickets easily online at their convenience, helping increase advanced-purchase ticket sales and maximize conversion...

Snackpass is social commerce for restaurants ✨ We started Snackpass at Yale and within a few months of launch we had over 80% of Yale using Snackpass. Several years later, we are in 30+ markets with a goal of scaling Snackpass to every college campus and city in the country. Snackpass has raised over $90M from the top investors in the country...

GovX builds marketplaces to serve those who serve. Our flagship property (GovX.com) is the wishlist of America's military, firefighters, police officers and emergency medical service heroes. We sell the coolest gear (for both on-duty and off-duty needs), at the best prices, with amazing service, wrapped in an experience that is uniquely relevant to our community. With more than 5M members...