Best Horizontal E-Commerce Companies in California, United States
The 286 best Horizontal E-Commerce companies in California, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Wish Shopping.
Ranked: Best Horizontal E-Commerce companies in California
| # | Company | Disclosed funding | Last round | Employees | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | Wish Shopping Online marketplace platform offering multi-category consumer products | $929M | 82 mo ago | 739 | 2009 | Cart FunctionalitySentryZendesk+33 | — | — |
| 2 | Grove 🦄 Online subscription-based platform providing cleaning products and beauty products | $527M | 20 mo ago | 1,117 | 2012 | Cart FunctionalityShopifySentry+39 | 71 patents Mobile telescopic crane design: variable counterweights, jib bearings, and position sensing systems. | — |
| 3 | Brandless Online retail platform offering multicategory products | $407M | 58 mo ago | 147 | 2014 | Cart FunctionalityShopifySentry+27 | — | — |
| 4 | ShopRunner Online retailer offering multi-category products | $311M | 88 mo ago | 162 | 2010 | ContentfulApple iCloud MailGroupBy+20 | 2 patents Subscription-based e‑commerce delivery and fulfillment platform | — |
| 5 | Quince 🦄 Online brand offering multi-category fashion products for men and women | $150M | 3 mo ago | 175 | 2018 | ContentfulConstructor.ioNode.js+46 | — | — |
| 6 | Curated Online store with personalized recommendations for sports & travel products | $142M | 55 mo ago | 92 | 2002 | TypeScriptGraphQLNode.js+17 | — | — |
| 7 | FabFitfun Online retailer offering subscription-based multi-category products | $95M | 79 mo ago | 662 662 → 491 (-26%) | 2010 | Apple iCloud MailPHPCakePHP+38 | 15 patents Digital marketing promotion platforms and inventory management software solutions | 3 job openings |
| 8 | Italic Online membership-based marketplace platform offering multi-category products | $87M | 56 mo ago | 11 | 2018 | ShopifySentryZendesk+30 | — | — |
| 9 | Hollar App based online dollar store | $78M | 102 mo ago | 69 | 2015 | — | — | — |
| 10 | Food 4 Less Online retailer offering multi-category products | $75M | 176 mo ago | 12,000 | 1977 | Cart FunctionalityApple iCloud MailJava+19 | — | — |
| 11 | Yamibuy Online marketplace for multi-category products | $60M | 2 mo ago | 95 | 2012 | Cart FunctionalityNode.jsSalesforce+16 | — | 2 expansions · 1 award |
| 12 | Hautelook Online shopping platform using flash sales | $41M | 192 mo ago | 176 | 2007 | — | — | — |
| 13 | Slice Provider of a package tracking app | $38M | 153 mo ago | 105 | 2010 | SquarespaceCart FunctionalitySquarespace Commerce+30 | 129 patents Design and safety features for handheld cutting and utility knives | — |
| 14 | Omni On-demand storage & delivery concierge. | $34M | 101 mo ago | 48 | 2014 | — | 144 patents Biomedical tissue processing and ozone-based sterilization/cleaning technologies | — |
| 15 | Become Shoping and comparison service | $33M | 215 mo ago | 16 | 2004 | JavaGoogle CloudApache Tomcat+8 | 6 patents Document relevance scoring and topic‑specific information retrieval systems | — |
| 16 | Mercantila Portal of Specialty Retail | $32M | 199 mo ago | 100 | 2004 | — | — | — |
| 17 | GovX Exclusive members-only online retailer for people who served the country | $30M | 115 mo ago | 95 95 → 112 (+18%) | 2011 | Cart FunctionalityApple iCloud MailMicrosoft 365+23 | — | — |
| 18 | TheFind Ecommerce shopping search engine | $26M | 227 mo ago | 19,730 | 2005 | — | 10 patents E‑commerce product relevance ranking and semantic information extraction for contextual data retrieval | — |
| 19 | Operator Text to get anything on demand | $25M | 116 mo ago | 30 | 2013 | RedditWebflowPython+9 | — | — |
| 20 | Oodle Online horizontal classifieds | $24M | 189 mo ago | 23 | 2004 | Amazon Web ServicesNew RelicBoomerang+18 | — | — |
| 21 | Twice Global online marketplace connecting buyers and sellers of diverse goods | $23M | 149 mo ago | 40 | 2011 | — | — | — |
| 22 | Dote App based marketplace for multi-category products | $23M | 86 mo ago | 16 | 2014 | WordPressMySQLPHP+15 | — | — |
| 23 | Nearby An online community platform for B2B businesses | $21M | 61 mo ago | 20 | 2020 | — | — | — |
| 24 | Tophatter Online second hand auction marketplace for multi- category products | $21M | 109 mo ago | 3 | 2011 | — | — | — |
| 25 | Buy.com Earn cash back and rewards while shopping at your favorite stores | $20M | 226 mo ago | — | 1997 | — | — | — |
| 26 | Bizrate Connexity: Connecting retailers with high-value customers through performance marketing | $20M | 323 mo ago | 287 287 → 254 (-11%) | 1996 | JavaGoogle CloudApache Tomcat+17 | — | — |
| 27 | Gracelock Industries Online marketplace offering multi-category products | $19M | 101 mo ago | — | 2013 | — | — | — |
| 28 | Pantastic Online retail platform offering multi-category products | $18M | 50 mo ago | 66 | 2004 | — | — | — |
| 29 | StoreRunner Aggregator of online shopping platforms | $18M | 310 mo ago | — | 1998 | — | — | — |
| 30 | Touch of Modern Online retailer of modern design goods including apparel and accessories | $17M | 143 mo ago | 109 | 2012 | Cart FunctionalityRubyJava+43 | — | — |
| 31 | Vantage Discovery Provider of a commerce platform with tools for multiple sales channels | $16M | 24 mo ago | — | 2023 | — | — | — |
| 32 | Vetted Provider of AI-based browser extension for price comparison of multi-category products | $15M | 46 mo ago | — | 2019 | Node.jsReactNext.js App Router+12 | — | — |
| 33 | Evolv Online retailer of rock climbing and bouldering shoes and accessories | $15M | 159 mo ago | 11 | 2003 | Cart FunctionalityAmplienceNode.js+15 | 54 patents Advanced electronic vaporization systems for precise heating of viscous and solid substances | 1 partnership |
| 34 | District Online marketplace offering a variety of products | $15M | 1 mo ago | — | 1995 | TypeScriptGraphQLNode.js+21 | — | 2 launchs · 1 partnership |
| 35 | Redbubble Online marketplace offering artist-designed products | $12M | 90 mo ago | 170 | 2006 | SentryZendeskApple iCloud Mail+23 | — | — |
| 36 | Price Online price comparison tool for consumer products | $12M | 1 mo ago | 23 | 2016 | BigCommerceAmplienceContentful+31 | 11 patents Building HVAC exhaust units and high‑efficiency ceiling air distribution grids | — |
| 37 | Listia App based P2P auction platform for second-hand multi-category products | $11M | 97 mo ago | 3 | 2009 | WordPressMySQLPHP+14 | — | — |
| 38 | Huckberry Online horizontal retailer | $11M | 81 mo ago | 133 133 → 200 (+50%) | 2010 | Cart FunctionalityEnvoyAmazon ALB+17 | — | 4 job openings |
| 39 | Earny Online price protection platform | $10M | 102 mo ago | 9 | 2015 | TypeScriptNode.jsApple Sign-in+27 | — | — |
| 40 | Penny Auction Solutions Penny Auction Marketplace | $10M | 167 mo ago | 598 | 2009 | — | — | — |
| 41 | ThisNext Provides personalized recommendation ecommerce portal | $10M | 190 mo ago | — | 2005 | — | — | — |
| 42 | Krillion Price search engine for local shopping | $10M | 190 mo ago | 13 | 2006 | — | — | — |
| 43 | Robin Games Online retailer of various products, providing a smart shopping application | $7M | 75 mo ago | 21 | 2017 | — | — | — |
| 44 | eBay Online retailer of electronics, cars, fashion, collectibles, sports, and more | $7M | 88 mo ago | 99 | 1995 | YouTubeEnvoyStripe+21 | 10,294 patents Patents concentrated in computing, sensing & instrumentation | — |
| 45 | Milo Global online marketplace connecting buyers and sellers of diverse goods | $5M | 198 mo ago | 2 | 2008 | — | 10 patents High‑sensitivity dual‑parameter ground‑fault protection for electric distribution lines | — |
| 46 | Miniswap Online retailer of tabletop wargaming miniatures, offering buying and selling services | $4M | 6 mo ago | — | 2025 | Cart FunctionalityPostHogGoogle Analytics+8 | — | — |
| 47 | 4K Online marketplace offering multi-category products | $3M | 58 mo ago | 15 | 2021 | Node.jsThree.jsRadix UI+20 | — | — |
| 48 | Ettitude Internet-first brand offering multi-category products | $2M | 60 mo ago | 25 | 2008 | Cart FunctionalityShopifySentry+41 | 2 patents Pulping monocot biomass (e.g., grasses) into cellulose fibers for paper/bioproducts | 1 job opening |
| 49 | Mintage Vault Online retailer of silver and fashion jewelry for women, men, kids 53Talent top 27%Tech top 31%Partners top 33%Market top 36% All 8 signals ▾Talenttop 27% Techtop 31% Partnerstop 33% Markettop 36% Newsbottom 45% Growthbottom 32% Fundingbottom 31% Globalbottom 25% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Tech: 41 technologies across 5/8 capability areas · Cloud: Akamai, Amazon Cloudfront rank vs industry peers · Fliar Intelligence Index 53/100 | $2M | 46 mo ago | — | 2020 | DrupalApple iCloud MailMicrosoft 365+15 | — | 6 job openings |
| 50 | Double Duty Dawgs Online retailer offering multi-category products | $1M | 25 mo ago | — | — | — | — | — |
Top 12 Horizontal E-Commerce companies in California
#1
Quince 🦄Series E · San Francisco, California · founded 2018 · 175 employees$149.5Mraised▾
Online brand offering multi-category fashion products for men and women. The product catalog includes sweaters, bottoms, activewear, loungewear, shapewear, maternity wear, and more. It also provides jewelry, bags, scarves, sunglasses, socks, footwear, travel accessories, and more. The platform also offers travel products, baby and kids products, gifting products, and home improvemnet products.
- Mar 2026Series E$500M
- Jul 2025Series D$200M
- Jan 2025Series C$120M
- May 2023Series B$77M
#2
Series C · Los Angeles, California · founded 2012 · 95 employees$60Mraised▾
Online marketplace for multi-category products. The product catalog includes snacks, home appliances, beauty products, and health supplements. The mobile application is available for android and iOS users.
- Apr 2026Series C—
- Mar 2022Series B$50M
- Jul 2017Series A$10M
#3
Seed · San Francisco, California · founded 1995$14.7Mraised▾
Online marketplace offering a variety of products. The marketplace offers items such as electronics, fashion, home essentials, and personal accessories. Customers can browse a diverse selection of products from various sellers.
- May 2026Seed$14.7M
#4
Series A · San Francisco, California · founded 2016 · 23 employees$12Mraised▾
Price is an online price comparison tool for consumer products. The platform allows users to compare price & product information and also browse deals. The product categories include used, rental, refurbished items, and more. The company offers mobile applications for Android and iOS platforms. The users can also set the trigger amount and also alerts on the prices.
- Apr 2026Angel—
- 2021Series A—
- Mar 2021Seed$10M
- Dec 2016Seed$2M
#5
Grove 🦄Public · San Francisco, California · founded 2012 · 1117 employees$526.5Mraised▾
Online subscription-based platform providing cleaning products and beauty products. Its catalog includes home, skin care, oral care, hair care, perfumes & deodorants, and pet care products. The users can customize the curated boxes based on the preferences.
- Oct 2024Post IPO$15M
- Aug 2023Post IPO$10M
- Jan 2023Venture Debt$72M
- Dec 2020Series E$125M
#6
Series A · San Francisco, California · founded 2025$3.5Mraised▾
Online retailer of tabletop wargaming miniatures, offering buying and selling services. The platform provides a marketplace for hobbyists to exchange miniatures. It offers a catalogue of miniatures with filtering and search options. Integrated payments and shipping are provided, along with buyer and seller protections.
- Dec 2025Series A$3.5M
#7
Acquired · San Francisco, California · founded 2009 · 739 employees$928.7Mraised▾
Online marketplace platform offering multi-category consumer products. The product catalog includes fashion, beauty, electronics, garden supplies, home decor, baby care products, home care, stationery, books, sports, and more.
- Aug 2019Series H$300M
- May 2017Series F—
- Jan 2016Series D$50M
- May 2015Series D$500M
#8
Series C · San Francisco, California · founded 2014 · 147 employees$407.5Mraised▾
Online retail platform offering multicategory products. The product catalog includes home decor, pet supplies, kitchen supplies, stationery goods, beauty products, and personal health products.
#9
Acquired · San Francisco, California · founded 2023$16Mraised▾
Provider of a commerce platform with tools for multiple sales channels. It offers solutions to start, sell, market, and manage businesses. The platform provides tools to build brands and create websites. It allows merchants to sell online, in person, and globally. The platform also enables management of finances, orders, and customer relationships.
- Jun 2024Series A$16M
#10
Acquired · San Francisco, California · founded 2002 · 92 employees$141.5Mraised▾
Curated is an online store with personalized recommendations for sports & travel products. The product categories include winter sports, golf, cycling, yacht charters, and more. It allows users to connect via chat with experts in specific fields providing personalized advice, recommendations, and deals for different products.
- Nov 2021Series C$75M
- Apr 2021Series B$39M
- Oct 2019Series A$22M
- Seed$5.5M
#11
Acquired · San Mateo, California · founded 2010 · 162 employees$311Mraised▾
ShopRunner is an online retailer offering multi-category products. The products catalog includes clothing, baby, beauty, books, electronics, movies, sporting goods, pets, toys, video games, luggage, automotive and more. The members can sign and can also avail deals on products.
- Jan 2019PE—
- Oct 2018PE$30M
- Oct 2013PE$206M
- Aug 2013PE$75M
#12
Series B · Walnut, California · founded 2018 · 11 employees$86.9Mraised▾
Online membership-based marketplace platform offering multi-category products. The product catalog include apparel, handbags, jewelry, wallets, sunglasses, home textiles, beauty care, cookware, bedding, scented candles, and more.
- Oct 2021Series B$37M
- Mar 2021Series B$26.9M
- Dec 2018Series A$10M
- Nov 2018Series A$13M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Horizontal E-Commerce coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising