Company lists · Data refreshed September 2026

Top 25 Ecommerce app developers based in the United States

RevenueBase identified 1,135 ecommerce app developers headquartered in the United States as of September 2026 and tracks 20,375 professional contacts across them, including 4,707 with verified work emails and 3,926 with mobile numbers. New York is the largest hub.

This list covers ecommerce app developers headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 7, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 7, 2026 86% judged on-target in blind review
1,135Companies
20,375Contacts tracked
4,707Verified emails
3,926Mobile numbers
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The 25 largest ecommerce app developers based in the United States

Ranked by team size
Top 25 of 1,135 ecommerce app developers based in the United States, ranked by team size, largest first. Data refreshed Sep 7, 2026. RevenueBase Smart Search rates how each company's information relates to ecommerce app developers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceCambridge, MA, United StatesHQ checked Sep 7, 2026501-1,0001,064 contacts →

“ATG (Nasdaq: ARTG) provides the most advanced cross-channel commerce software and services to fuel the growth of the world’s top brands.”

Source: company website · checked Sep 7, 2026
2Partial evidenceOakland, CA, United StatesHQ checked Sep 7, 2026501-1,000948 contacts →

“Iksula is a leading eCommerce solutions provider for brands and retailers globally.”

Source: company website · checked Sep 7, 2026
3Partial evidenceAustin, TX, United StatesHQ checked Sep 7, 20261,001-5,000746 contacts →

“BigCommerce, powered by Commerce (Nasdaq: CMRC), is the flexible enterprise ecommerce platform built for growth without compromise.”

Source: company website · checked Sep 7, 2026
4Indirect evidenceAuburn, AL, United StatesHQ checked Sep 7, 20261,001-5,000633 contacts →

“Backed by Aquiline Capital Partners and ADIA, Fullsteam is a dynamic and growing team of over 2,100 employees committed to driving innovation and delivering best-in-class software…”

Source: company website · checked Sep 7, 2026
5Indirect evidenceOviedo, FL, United StatesHQ checked Sep 7, 2026n/a453 contacts →

“Named one of the Inc.”

Source: company website · checked Sep 7, 2026
6Partial evidenceMilwaukee, WI, United StatesHQ checked Sep 7, 2026201-500408 contacts →

“Amla Commerce develops ecommerce software platforms.”

Source: company website · checked Sep 7, 2026
7Indirect evidenceBrooklyn, NY, United StatesHQ checked Sep 7, 202651-200309 contacts →

“Whop is a financial technology company on a mission to provide the world with sustainable income.”

Source: company website · checked Sep 7, 2026
8Indirect evidenceColumbus, OH, United StatesHQ checked Sep 7, 2026201-500258 contacts →

“Commerce should feel effortless.”

Source: company website · checked Sep 7, 2026
9Indirect evidenceIrvine, CA, United StatesHQ checked Sep 7, 2026201-500210 contacts →

“EBizCharge is the leading all-in-one integrated payment platform that helps businesses facilitate electronic payment processing, enhance transaction security, and increase client…”

Source: company website · checked Sep 7, 2026
10Partial evidenceAtlanta, GA, United StatesHQ checked Sep 7, 2026201-500188 contacts →

“is a custom web and app development company specializing in cutting-edge digital solutions for businesses worldwide.”

Source: company website · checked Sep 7, 2026
11Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 7, 202651-200182 contacts →

“Enabling small scale merchants, manufacturers, retailers to sell their products online.”

Source: company website · checked Sep 7, 2026
12Indirect evidenceTempe, AZ, United StatesHQ checked Sep 7, 202651-200174 contacts →

“RevolutionParts, based in Phoenix, Arizona, accelerates parts and accessories sales across major automotive brands in North America.”

Source: company website · checked Sep 7, 2026
13Indirect evidenceMelville, NY, United StatesHQ checked Sep 7, 202651-200170 contacts →

“KWI enables modern retailers to create unforgettable shopper experiences, maximize sales, and streamline operations with the industry’s only true turnkey omnichannel platform.”

Source: company website · checked Sep 7, 2026
14Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 7, 202651-200168 contacts →

“Innoppl Inc commonly known as "Innovative People", Innoppl, Inc.”

Source: company website · checked Sep 7, 2026
15Indirect evidenceSanta Barbara, CA, United StatesHQ checked Sep 7, 202651-200159 contacts →

“FastSpring is how SaaS, software, and digital product companies sell online in more places around the world.”

Source: company website · checked Sep 7, 2026
16Indirect evidenceSalt Lake City, UT, United StatesHQ checked Sep 7, 202651-200156 contacts →

“GearLaunch offers a sophisticated platform for E2E commerce, a rapidly emerging category that focuses on the full e-commerce value chain.”

Source: company website · checked Sep 7, 2026
17Indirect evidenceLas Vegas, NV, United StatesHQ checked Sep 7, 202651-200148 contacts →

“Aurora Payments powers embedded commerce for software platforms, ISVs, and agents serving small and mid-sized businesses across the U.S.”

Source: company website · checked Sep 7, 2026
18Indirect evidencePittsburgh, PA, United StatesHQ checked Sep 7, 202651-200144 contacts →

“Branding Brand's mission is to create digital experiences shoppers love.”

Source: company website · checked Sep 7, 2026
19Partial evidenceNewark, DE, United StatesHQ checked Sep 7, 2026201-500144 contacts →

“At i95Dev, we help retail, manufacturing, and distribution businesses build, integrate, grow, and manage robust B2B/B2C eCommerce ecosystems powered by leading eCommerce platforms…”

Source: company website · checked Sep 7, 2026
20Indirect evidenceEncinitas, CA, United StatesHQ checked Sep 7, 202651-200143 contacts →

“Have you thought that selling online was a little out of your reach?”

Source: company website · checked Sep 7, 2026
21Indirect evidenceSan Diego, CA, United StatesHQ checked Sep 7, 202651-200140 contacts →
Source: company website · checked Sep 7, 2026
22Indirect evidenceLatham, NY, United StatesHQ checked Sep 7, 2026201-500134 contacts →

“CommerceHub is one of the world’s largest, most trusted commerce networks, connecting over retailers and brands globally to transact more than $50 billion in gross merchandise…”

Source: company website · checked Sep 7, 2026
23Indirect evidenceAlpharetta, GA, United StatesHQ checked Sep 7, 2026201-500134 contacts →

“MerchantE provides a financial technology platform that drives digital commerce and supports the money management needs of growing businesses.”

Source: company website · checked Sep 7, 2026
24Indirect evidenceIselin, NJ, United StatesHQ checked Sep 7, 202651-200131 contacts →

“Celerant is a leading provider of innovative end-to-end retail commerce software that maximizes business growth and efficiency for startup to enterprise businesses.”

Source: company website · checked Sep 7, 2026
25Indirect evidenceNew York, NY, United StatesHQ checked Sep 7, 202651-200128 contacts →

“FEVO is helping the world’s biggest brands reimagine online shopping by making every e-commerce site a social, interactive destination.”

Source: company website · checked Sep 7, 2026

Showing 25 of 1,135 ecommerce app developers based in the United States

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Ecommerce app developers based in the United States at a glance

As of Sep 7, 2026
23.1%Verified-email coverage
19.3%Mobile-number coverage
18.0Average contacts per company
11-50Median size (employees)
6.4%Largest-city concentration · New York
Sep 7, 2026Page data refreshed

Companies by employee count

1-10
494
11-50
460
51-200
136
201-500
29
501-1,000
5
1,001-5,000
7
5,001-10,000
1
10001+
2

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 app developers, 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 the United States whose own description of what they do matches “ecommerce app developers”. 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 app developers), 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 app developers, and records with no verified work email. Companies headquartered outside United States 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, 4,707 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 7, 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.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its 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 the category the list is about. Each row is rated strong evidence when the company's own description names ecommerce app developers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many ecommerce app developers are there based in the United States?

RevenueBase identified 1,135 ecommerce app developers headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

ART Technology Group, headquartered in Cambridge, tops this list with the largest team on record.

Which city has the most ecommerce app developers?

New York leads with 73 headquartered companies, followed by Los Angeles (35) and Austin (29).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,707 verified decision-maker contacts tracked across these 1,135 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 7, 2026.

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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.