Company lists · Data refreshed September 2026
Top 25 Ecommerce companies based in San Diego, United States
This directory contains 65 ecommerce companies based in San Diego, United States, with 5,456 contacts and 278 email addresses available for outreach as of September 2026. Across the United States, New York is the largest hub for this category (402 companies); San Diego has 65.
Ecommerce companies sell products or services through online storefronts, marketplaces, or other digital transaction channels. This list covers companies whose business includes selling products or services directly through online commerce channels. Ranked by team size, largest first. Data current as of September 19, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest ecommerce companies based in San Diego, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 4,470 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 140 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 131 contacts → | ||||
Indirect evidence “ClickBank is a privately held Internet retailer of both physical and digital products.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 86 contacts → | ||||
Indirect evidence “Intentwise is the Commerce Observability Platform for marketplaces.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 60 contacts → | ||||
Indirect evidence “We are a technology partner providing exceptional digital experience for you and your customers.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 56 contacts → | ||||
Strong evidence “Founded in Tagrem is a global eCommerce agency providing enterprise software, technology and digital marketing solutions to large and medium size organizations in the United…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 52 contacts → | ||||
Indirect evidence “Canz Marketing is an e-commerce specialized digital marketing agency based out of San Diego.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 36 contacts → | ||||
Indirect evidence “Katalys is a Commerce Media Platform that lives at the intersection of performance marketing, technology, content, and commerce.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 36 contacts → | ||||
Strong evidence “Web Shop Manager is the world’s largest eCommerce provider for markets with complex product catalogs.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 26 contacts → | ||||
Indirect evidence “Focused on Marketplaces.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 26 contacts → | ||||
Strong evidence “We've been developing eCommerce software since 2005.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 24 contacts → | ||||
Indirect evidence “Million Dollar Sellers (MDS) is a highly vetted membership community for over 700+ entrepreneurs, founders, and CEOs generating between $1MM and $500MM per year.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 18 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 16 contacts → | ||||
Strong evidence “Nexus Brand Group is a full-service digital growth agency that builds our clients’ eCommerce businesses across multiple marketplaces, including Amazon, Walmart, Target, eBay…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 16 contacts → | ||||
Indirect evidence “AliDropship is a worldwide leader in turnkey dropshipping business development.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 12 contacts → | ||||
Strong evidence “We help ecommerce brands grow their revenue and strengthen relationships with their customers.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 12 contacts → | ||||
Indirect evidence “Magento e-commerce.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 11 contacts → | ||||
Indirect evidence “Founded in 2007, by Online sellers for Online sellers, 3PLWINNER is a tech-enabled E-commerce warehouse that offers simple, fast, and affordable fulfillment for thousands of…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 7 contacts → | ||||
Indirect evidence “Anti-generic consultants who audit e-commerce businesses, establish mutually beneficial partnerships, run innovative global campaigns, & deliver progressive tactics, not theories.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 6 contacts → | ||||
Strong evidence “EcomCrew is a site dedicated to helping entrepreneurs start and grow their ecommerce businesses.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 5 contacts → | ||||
Indirect evidence “Article Innovations is an international specialty retailer offering an assortment of consumer products that are functional in purpose and distinctive in quality and design through…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Indirect evidence “Makers of Envy Marketplace, Envy Pay and Envy Newsletters” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Indirect evidence “Desarrollamos negocios en Internet para todo tipo de industrias; diseñamos la plataforma para incrementar usuarios registrados, ventas así como la medición de los resultados.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence “Fast-growing brand and e-commerce retailer.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: ecommerce companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names ecommerce companies.
- Partial evidence
- Its own public description names part of ecommerce companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name ecommerce companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 65 ecommerce companies based in San Diego, United States
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Ecommerce companies based in San Diego, United States at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for San Diego, so it is reported there. Company counts and contact totals on this page are exact for San Diego, over 65 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among ecommerce companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in San Diego, United States whose own description of what they do matches “ecommerce companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names ecommerce companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among ecommerce companies, and records with no verified work email. Companies headquartered outside San Diego are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 278 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Ecommerce companies by metro in the United States
- Ecommerce companies in New York402
- Ecommerce companies in Los Angeles193
- Ecommerce companies in Miami169
- Ecommerce companies in Sheridan132
- Ecommerce companies in Austin128
- Ecommerce companies in Chicago109
- Ecommerce companies in San Francisco106
- Ecommerce companies in Houston71
- Ecommerce companies in Seattle69
- Ecommerce companies in Atlanta65
- Ecommerce companies in Boston56
- Ecommerce companies in Dallas51
- Ecommerce companies in Wilmington50
- Ecommerce companies in Denver46
- Ecommerce companies in Orlando45
- Ecommerce companies in Las Vegas44
- Ecommerce companies in San Jose38
- Ecommerce companies in Portland35
- Ecommerce companies in Irvine33
- Ecommerce companies in Tampa33
- Ecommerce companies in Minneapolis32
- Ecommerce companies in Salt Lake City32
- Ecommerce companies in Newark27
- Ecommerce companies in Brooklyn26
- Ecommerce companies in Fort Lauderdale25
Frequently asked
How many ecommerce companies are in the directory?
The directory contains 65 ecommerce companies based in San Diego, United States as of September 2026.
Which city in the United States has the most ecommerce companies?
New York leads the United States with 402 headquartered companies, followed by Los Angeles (193) and Miami (169). San Diego has 65.
How many contacts and email addresses are available for ecommerce companies?
The directory includes 5,456 contacts and 278 email addresses for outreach.
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Ecommerce companies by geography
- Ecommerce companies based in the United States
- Ecommerce companies based in Brazil
- Ecommerce companies based in the United Kingdom
- Ecommerce companies based in Germany
- Ecommerce companies based in Italy
- Ecommerce companies based in France
- Ecommerce companies based in the Netherlands
- Ecommerce companies based in Spain
- Ecommerce companies based in Canada
- Ecommerce companies based in Australia
- Ecommerce companies based in Poland
- Ecommerce companies based in Mexico
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.