Best B2B E-Commerce Companies in California, United States
The 421 best B2B E-Commerce companies in California, United States in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: United Rentals.
Ranked: Best B2B E-Commerce companies in California
| # | Company | Disclosed funding | Last round | Employees | Founded | Tech stack | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|
| 1 | United Rentals Provider of equipment rental and specialty onsite services | $2.1B | 85 mo ago | — | 1997 | Cart FunctionalityDrupalPHP+27 | 43 patents Construction equipment inventory tracking and fluid filtration system technologies | — |
| 2 | Faire 🦄 Online wholesale marketplace connecting retailers with brands to facilitate direct purchases | $1.7B | 7 mo ago | 569 | 2017 | MediumApple iCloud MailGoogle Workspace+25 | — | 1 award |
| 3 | Tradeshift 🦄 Provider of cloud platform for e-invoicing, AP automation, and global compliance | $1.2B | 34 mo ago | — | 2010 | WordPressApple iCloud MailGoogle Workspace+32 | — | 1 award |
| 4 | AppDirect 🦄 Online marketplace for web-based cloud applications and services | $438M | 29 mo ago | 986 | 2009 | Apple iCloud MailGoogle WorkspaceAce+31 | 39 patents Patents concentrated in electrical & electronics | — |
| 5 | Inxeption 🦄 Offers a platform providing end-to-end e-commerce delivery services | $336M | 53 mo ago | — | 2017 | — | 9 patents Automated logistics loading guidance and secure industrial commerce transaction platforms | — |
| 6 | Algolia 🦄 Provider of AI search and discovery platform for various online applications | $335M | 58 mo ago | 758 | 2012 | DocusaurusZendeskApple iCloud Mail+39 | — | 2 launchs · 1 award |
| 7 | Silo Provider of software suite solutions for food distributor businesses | $315M | 30 mo ago | 56 | 2017 | CosmicNode.jsSalesforce+25 | — | 2 job openings · 1 partnership |
| 8 | CommerceIQ 🦄 Provider of unified AI platform for retail ecommerce sales and optimization | $196M | 50 mo ago | 229 | 2012 | WordPressApple iCloud MailGoogle Workspace+46 | — | — |
| 9 | Knowde Provider of a platform for chemical industry data management solutions | $146M | 22 mo ago | 118 | 2017 | WordPress Block EditorWordPressApple iCloud Mail+26 | — | — |
| 10 | Cheetah Developer of an eCommerce application for food distribution businesses | $140M | 25 mo ago | 110 | 2015 | WordPressApple iCloud MailGoogle Workspace+36 | 11 patents Video broadcast quality monitoring, calibration, and artifact analysis for packet-based streams | — |
| 11 | Inxeption Provider of industrial commerce platforms integrating B2B e‑commerce and logistics | $125M | 53 mo ago | 256 | 2017 | — | 9 patents AI-driven logistics loading guidance and secure industrial e‑commerce transaction platforms | — |
| 12 | Nfinite Provider of visual content solutions and data infrastructure for physical AI | $119M | 48 mo ago | 306 | 2016 | WebflowSentryWistia+28 | — | — |
| 13 | ViVOtech Online marketplace facilitating the purchase and transfer of domain names | $96M | 170 mo ago | 100 | 2001 | — | 117 patents Mobile digital wallet and secure offline data transfer for electronic payment certificates | — |
| 14 | Ghost B2B marketplace platform for surplus inventory | $88M | 20 mo ago | 49 | 2021 | AlgoliaNode.jsThree.js+19 | 25 patents Optimizing ray‑tracing sample handling, streaming, and compression for real‑time graphics and video security. | — |
| 15 | Balance Provider of B2B software solutions to manage sales and purchase | $87M | 42 mo ago | 98 | 2020 | WordPressBetterDocsZendesk+27 | 7 patents Patents concentrated in health & consumer products | — |
| 16 | Openlane Online used cars auction platform | $75M | 72 mo ago | 20 | 1999 | WordPress Block EditorWordPressApple iCloud Mail+39 | 34 patents Patents concentrated in computing, sensing & instrumentation | 1 job opening · 1 award |
| 17 | B-Stock Online auction platform for businesses to buy liquidation and overstock inventory | $72M | 95 mo ago | 196 196 → 255 (+30%) | 2008 | Apple iCloud MailGoogle WorkspaceNode.js+28 | — | 1 job opening |
| 18 | NuORDER Provider of B2B commerce platform solutions for brands and retailers | $71M | 63 mo ago | 183 | 2011 | Cart FunctionalityWordPressMySQL+42 | — | — |
| 19 | Canndescent Provider of ultra-premium cannabis products | $57M | 81 mo ago | 84 | 2015 | GoDaddy Website BuilderAmazon Web ServicesReact+12 | — | — |
| 20 | Printify Provider of software solutions for customized dropshipping solutions for fashion businesses | $54M | 59 mo ago | 500 | 2015 | Apple iCloud MailGoogle WorkspaceRuby+37 | — | 2 launchs · 1 partnership |
| 21 | EAT Club Individual meal delivery service for businesses, fostering culture and convenience | $46M | 108 mo ago | 395 | 2010 | WebflowSalesforceVarnish+13 | — | — |
| 22 | Moov Online B2B listing platform for used semiconductor equipment | $45M | 55 mo ago | 98 | 2018 | SentryNode.jsMUI+15 | 11 patents AI-powered personalized fitness coaching and dynamic web content transformation platforms | — |
| 23 | Tundra Online B2B marketplace for multi-category products | $42M | 56 mo ago | 8 | 2011 | — | — | — |
| 24 | Harborside Chains providing cannabis products, delivery, membership programs, and online ordering | $41M | 54 mo ago | 160 160 → 83 (-48%) | 2006 | WordPressMySQLPHP+27 | — | — |
| 25 | Elevated Foods Online B2B marketplace offering fruits and vegetables | $40M | 38 mo ago | — | 2020 | — | — | — |
| 26 | HugePOD Platform offering print-on-demand drop shipping solution for online businesses | $40M | 52 mo ago | 200 | 2008 | — | — | — |
| 27 | Vartana Provider of SaaS-based POS software solutions for businesses | $39M | 36 mo ago | — | 2020 | — | — | — |
| 28 | Full Harvest B2B marketplace connecting produce buyers and sellers, reducing food waste | $38M | 49 mo ago | 27 27 → 51 (+89%) | 2015 | Node.jsErlangChakra UI+20 | — | — |
| 29 | Nabis Leading cannabis marketplace and distribution platform connecting brands and retailers | $33M | 59 mo ago | 118 | 2017 | SentryZendeskApple iCloud Mail+22 | — | 2 job openings · 1 launch |
| 30 | ZeroCater Provider of cafeteria management solutions | $33M | 40 mo ago | 109 109 → 164 (+50%) | 2009 | WordPressMySQLPHP+24 | — | — |
| 31 | Darkstore Provider of outsourced fulfillment solutions for e-commerce businesses | $30M | 80 mo ago | 97 | 2016 | — | — | — |
| 32 | GetCarro Provider of influencer marketing platform | $30M | 21 mo ago | 42 42 → 42 (+0%) | 2018 | WebflowAmazon Web Servicescore-js+20 | — | — |
| 33 | Trendsi Provider of app-based dropshipping software suite solutions for fashion sellers | $30M | 44 mo ago | 105 | 2020 | WordPressMySQLPHP+21 | — | — |
| 34 | FinditParts Online marketplace for truck parts | $30M | 50 mo ago | 120 | 2010 | Cart FunctionalityRubyErlang+29 | — | 2 job openings |
| 35 | BigRentz Heavy equipment rental marketplace | $27M | 75 mo ago | 83 | 2012 | WordPressApple iCloud MailMicrosoft 365+30 | 2 patents Enterprise resource planning software for business process management | — |
| 36 | Kiwibot Provider of AI-based autonomous delivery robots 72Innovation top 23%Talent top 28%Growth top 35%Funding top 38% All 12 signals ▾Innovationtop 23% Talenttop 28% Growthtop 35% Fundingtop 38% Moattop 39% Techtop 45% AItop 45% Fin. healthtop 49% Producttop 49% Marketbottom 45% Globalbottom 39% Newsbottom 24% Innovation: 4 new-product events in 24 mo · Deep-tech classification: Tech Hardware Talent: 3 named leaders on record · 3 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 72/100 | $24M | 9 mo ago | 150 | 2017 | Webflow EcommerceCart FunctionalityWebflow+22 | — | — |
| 37 | Archive Provider of software suite solutions for recommerce fashion brands 45Funding top 30%Talent top 38%Moat top 39%Growth top 45% All 9 signals ▾Fundingtop 30% Talenttop 38% Moattop 39% Growthtop 45% Producttop 49% Techbottom 48% Marketbottom 38% Globalbottom 37% Newsbottom 24% Funding: Raised $24.0M across 3 rounds · 3 rounds over 4 yrs (0.8/yr) Talent: 2 named leaders on record · 2 C-suite/founder profiles curated rank vs industry peers · Fliar Intelligence Index 45/100 | $24M | 16 mo ago | 37 | 2021 | WebflowSegmentlit-html+22 | — | — |
| 38 | GlobalFair Tech-enabled B2B procurement marketplace for building materials | $22M | 43 mo ago | 44 44 → 41 (-7%) | 2020 | Cart FunctionalityShopifyReact+36 | — | — |
| 39 | MARQUE Luxury Online marketplace offering pre-owned luxury fashion accessories for businesses | $20M | 54 mo ago | 29 | 2019 | — | — | — |
| 40 | Creative Force Provider of SaaS-based catalog management software solutions for e-commerce businesses 40Growth top 45%Funding top 47%Market bottom 49%Talent bottom 49% All 7 signals ▾Growthtop 45% Fundingtop 47% Marketbottom 49% Talentbottom 49% Productbottom 48% Globalbottom 43% Techbottom 36% Funding: Raised $17.9M across 2 rounds · 2 rounds over 4 yrs (0.5/yr) rank vs industry peers · Fliar Intelligence Index 40/100 | $18M | 32 mo ago | 129 | 2018 | HubSpot CMS HubApple iCloud MailGoogle Workspace+16 | — | 1 job opening · 1 launch |
| 41 | Airhouse Provider of logistics solution for direct-to-consumer eCommerce companies | $16M | 50 mo ago | 33 | 2018 | WebflowVimeoHubSpot+19 | — | — |
| 42 | Volition Online B2B marketplace offering multi-category industrial components | $11M | 36 mo ago | 10 | 2019 | Cart FunctionalitySentryNode.js+18 | — | — |
| 43 | SkySelect Provider of an AI-powered platform for aircraft parts procurement and sourcing 50Talent top 28%Funding top 36%AI top 45%News top 46% All 8 signals ▾Talenttop 28% Fundingtop 36% AItop 45% Newstop 46% Moattop 48% Techbottom 46% Globalbottom 43% Marketbottom 38% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Funding: Raised $9.0M across 1 rounds · 1 rounds over 1 yrs (1.0/yr) rank vs industry peers · Fliar Intelligence Index 50/100 | $9M | 3 mo ago | 56 | 2011 | PrismicNode.jsAmazon Web Services+14 | — | 1 job opening · 2 partnerships |
| 44 | KYG Trade Cloud-based cross-border commerce solutions for e-commerce businesses | $7M | 1 mo ago | — | 2020 | WordPressMySQLPHP+29 | 11 patents AI visual inspection and trade compliance platforms with interactive display interfaces | — |
| 45 | The Good Face Project Provider of AI-based application for product registration information | $6M | 36 mo ago | 37 | 2017 | SentryZendeskNode.js+19 | — | 3 job openings |
| 46 | Bulk Exchange Online marketplace for buying construction building materials | $4M | 28 mo ago | — | 2020 | WebflowMicrosoft ClarityGoogle Analytics+15 | — | — |
| 47 | Jiga Provider of marketplace for finding part manufacturer 50Talent top 28%Growth top 35%Funding top 40%News top 44% All 9 signals ▾Talenttop 28% Growthtop 35% Fundingtop 40% Newstop 44% Techtop 48% Moattop 48% Productbottom 45% Marketbottom 38% Globalbottom 36% Talent: 3 named leaders on record · 3 C-suite/founder profiles curated Growth: Fresh capital in last 24 mo rank vs industry peers · Fliar Intelligence Index 50/100 | $4M | 6 mo ago | 36 | 2020 | Cart FunctionalityWordPressSentry+27 | — | 1 job opening |
| 48 | BLNG Developer of AI-powered design and marketing tools for the jewelry industry 35Growth top 35%AI top 45%Tech top 50%Talent bottom 49% All 10 signals ▾Growthtop 35% AItop 45% Techtop 50% Talentbottom 49% Moatbottom 48% Fundingbottom 45% Globalbottom 36% Innovationbottom 31% Patentsbottom 31% Marketbottom 29% Growth: Fresh capital in last 24 mo AI: Product described with: ai-powered rank vs industry peers · Fliar Intelligence Index 35/100 | $3M | 14 mo ago | — | 2020 | SanityApple iCloud MailGoogle Workspace+19 | 2 patents AI-driven CAD systems for automated jewelry design and modeling | 1 launch |
| 49 | RSQD Provider of AI infrastructure balancing software-development supply and demand in real-time | $2M | 4 mo ago | — | 2022 | — | — | — |
| 50 | Best Food Trucks Online marketplace for caterers | $25K | 4 mo ago | 13 | 2012 | Cart FunctionalityNode.jsHeadless UI+18 | — | — |
Top 12 B2B E-Commerce companies in California
#1
Faire 🦄Series I · San Francisco, California · founded 2017 · 569 employees$1.7Braised▾
Online wholesale marketplace connecting retailers with brands to facilitate direct purchases. It is an online wholesale marketplace that connects retailers with brands, allowing them to discover new products and streamline their purchase process through a user-friendly platform. The company facilitates wholesale buying and ordering across various product categories, serving both retailers and brands.
- Nov 2025Series I$100M
- Sep 2023Series H—
- Nov 2021Series G$596.2M
- Jun 2021Series F$260M
#2
Series B · Newport Beach, California · founded 2020$6.8Mraised▾
Cloud-based cross-border commerce solutions for e-commerce businesses. Its multi-tier supply chain platform manages cross border businesses. Its features include manges import and export, trade agreements, integrations, and more. It offers solutions for apparel, footwear, automotive, pharmaceuticals, and more.
- May 2025Series A$6.8M
#3
Series A · San Francisco, California · founded 2011 · 56 employees$9Mraised▾
Provider of an AI-powered platform for aircraft parts procurement and sourcing. The platform offers self-service software and full-service options for procurement and order tracking. It provides sourcing and purchase order optimization for cost savings and lead-time reduction. The platform also offers full-service procurement to increase purchasing capacity. It allows supply chain visibility, improves on-time delivery, and scales procurement.
- Mar 2026Series A$9M
#4
Series B · Berkeley, California · founded 2017 · 150 employees$24Mraised▾
Provider of AI-based autonomous delivery robots. It is a tech-enabled robot with wheels and a controlled container box which has features such as GPS, cameras, and a digital face. The bot can be used for the delivery of food items, groceries, school supplies, and more. It can be accessed by using a mobile application.
- Aug 2025Series B$18M
- Feb 2023Series A$10M
- Feb 2022Seed$7.5M
- Aug 2020Seed$679.5K
#5
Series A · San Francisco, California · founded 2020 · 36 employees$4.2Mraised▾
Provider of a marketplace for finding part manufacturers. It provides a platform to automate, track, collaborates, and analyze integrated with existing platforms and processes purchasing. It also allows users to chat with suppliers.
- Nov 2025Series A$12M
- Feb 2023Series A$4.1M
- 2021Seed$125K
#6
Series C · Los Angeles, California · founded 2021 · 49 employees$88Mraised▾
B2B marketplace platform for surplus inventory. It caters solutions for businesses including fashion, beauty, electronics, home goods, and more.
- Oct 2024Series C$40M
- Aug 2023Series B$30M
- Jun 2022Conventional Debt$7M
- Jun 2022Series A$13M
#7
Series C · San Francisco, California · founded 2017 · 118 employees$146Mraised▾
Provider of a platform for chemical industry data management solutions. The platform offers artificial intelligence to extract, structure, harmonize, and enrich data. It provides master data management, customer experience platform, and marketplace solutions. The company enables faster decisions across supply chain, sales, regulatory, and finance functions.
- Aug 2024Series C$60M
- Aug 2021Series B$72M
- May 2020Series A$14M
- Feb 2018Seed—
#8
Seed · San Francisco, California · founded 2022$1.5Mraised▾
Provider of AI infrastructure balancing software-development supply and demand in real-time. It offers a system connecting companies with verified software development firms. The system validates companies and engineers, confirms availability, generates contracts, and schedules interviews. This helps clients accelerate the process from request to deployment. For software development companies, it matches available engineers with client demand, converting unused capacity into revenue.
- Jan 2026Seed$1.5M
#9
Series G · San Francisco, California · founded 2010$1.2Braised▾
Provider of cloud platform for e-invoicing, AP automation, and global compliance. The platform automates accounts payable, e-invoicing, compliance, and clearance for buyers and suppliers. It helps businesses digitise and automate digital processes. The platform connects businesses on a single cloud-based network.
- Aug 2023Series G$70M
- Dec 2021Series F$200M
- Dec 2021Conventional Debt—
- Mar 2021Series F$200M
#10
Series B · San Francisco, California · founded 2021 · 37 employees$24Mraised▾
Provider of software suite solutions for recommerce fashion brands. The solutions provided are storefront solutions for the creation of e-commerce stores, warehouse management, and inventory operations for resale, including product sorting, identification, cleaning, repair, photography, pricing, order fulfillment, and handling of returns. Other solutions include bulk listings management, loyalty program integrations, merchandising flexibility, and dynamic pricing features.
- Feb 2025Series B$30M
- Dec 2022Series A$15M
- Jan 2022Seed$8M
#11
Series F · San Francisco, California · founded 2009 · 986 employees$437.8Mraised▾
Online marketplace for web-based cloud applications and services. It provides a cloud service marketplace that enables users to find, buy, sell, and distribute web-based cloud applications and services. The platform provides billing, payment, and reseller management solutions. It caters its solution to industries such as finance, manufacturing, communication service providers, and more.
- Jan 2024Conventional Debt$100M
- Mar 2021Conventional Debt$54M
- Sep 2020Series F$185M
- Oct 2015Series E$140M
#12
Series D · San Francisco, California · founded 2017 · 56 employees$315Mraised▾
Provider of software suite solutions for food distributor businesses. It offers solutions like ERP management, inventory management, sales &revenue management solutions, accounts management, lot tracking, and payment management. It also provides integration across different channels & platforms and reports & insights into business performance.
- Dec 2023Series D$35M
- Jul 2023Conventional Debt$100M
- Jul 2023Series C$32M
- Jun 2022Conventional Debt—
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of B2B E-Commerce coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising