Company lists · Data refreshed September 2026

Top 25 Custom ecommerce platform builders based in the United States

RevenueBase identified 1,381 company matches for custom ecommerce platform builders associated with the United States as of September 2026 and tracks 22,205 professional contacts across them, including 5,907 with verified work emails. New York is the largest hub.

This list covers company matches for custom ecommerce platform builders associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built
1,381Companies
22,205Contacts tracked
5,907Verified emails
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The 25 largest custom ecommerce platform builders based in the United States

Ranked by team size
Top 25 of 1,381 company matches for custom ecommerce platform builders based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchBaltimore, MD, United StatesHQ recorded Sep 28, 20261,001-5,0001,706 contacts →

Exact match

“Flywheel, the commerce arm of Omnicom Media, provides best-in-class service that combines tailored expertise with advanced software solutions to help clients drive incremental…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2Exact matchOakland, CA, United StatesHQ recorded Sep 28, 2026501-1,000948 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3Exact matchAustin, TX, United StatesHQ recorded Sep 28, 20261,001-5,000746 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchPlano, NC, United StatesHQ recorded Sep 28, 2026501-1,000627 contacts →

Exact match

“With 28 years of innovation behind us, Rithum was formed when two industry pioneers, CommerceHub and ChannelAdvisor, joined forces to redefine commerce operations.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchMilwaukee, WI, United StatesHQ recorded Sep 28, 2026201-500408 contacts →

Exact match

“Amla Commerce develops ecommerce software platforms.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Sep 28, 2026201-500343 contacts →

Exact match

“At Kensium, we lead the way in B2B and B2C eCommerce innovation, delivering scalable solutions that drive business growth and competitiveness.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchBrooklyn, NY, United StatesHQ recorded Sep 28, 202651-200309 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8Exact matchColumbus, OH, United StatesHQ recorded Sep 28, 2026201-500258 contacts →

Exact match

“Commerce should feel effortless.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 28, 2026201-500239 contacts →

Exact match

“At IT Geeks, trust is at the core of everything we do.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10Exact matchMorrisville, NC, United StatesHQ recorded Sep 28, 2026501-1,000225 contacts →

Exact match

“ChannelAdvisor (NYSE: ECOM) is a leading multichannel commerce platform whose mission is to connect and optimize the world’s commerce.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchFairfield, NJ, United StatesHQ recorded Sep 28, 202651-200217 contacts →

Exact match

“Hotels at Home is an industry-leading eCommerce solutions provider.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchAustin, TX, United StatesHQ recorded Sep 28, 2026201-500211 contacts →

Exact match

“KIBO Commerce is a composable digital commerce platform for retailers, manufacturers, distributors, and wholesalers who want to simplify the complexity in their businesses and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchAtlanta, GA, United StatesHQ recorded Sep 28, 202651-200182 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchBirmingham, AL, United StatesHQ recorded Sep 28, 2026n/a176 contacts →

Exact match

“We’re a full-service web company: That means we do as much or as little as you need, from building your website to creating a robust ecommerce platform to designing a digital…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchTempe, AZ, United StatesHQ recorded Sep 28, 202651-200174 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchMelville, NY, United StatesHQ recorded Sep 28, 202651-200170 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17Exact matchSanta Barbara, CA, United StatesHQ recorded Sep 28, 202651-200159 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 28, 202651-200156 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchLas Vegas, NV, United StatesHQ recorded Sep 28, 202651-200148 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchPittsburgh, PA, United StatesHQ recorded Sep 28, 202651-200144 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchNewark, DE, United StatesHQ recorded Sep 28, 2026201-500144 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchChappaqua, NY, United StatesHQ recorded Sep 28, 2026201-500144 contacts →

Exact match

“Echidna is a global agency specializing in modern digital commerce service solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchEncinitas, CA, United StatesHQ recorded Sep 28, 202651-200143 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchSan Diego, CA, United StatesHQ recorded Sep 28, 202651-200140 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchSan Francisco, CA, United StatesHQ recorded Sep 28, 202651-200136 contacts →

Exact match

“Woo is the open-source ecommerce platform built on WordPress.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 1,381 custom ecommerce platform builders based in the United States

See the full list, filter by size, metro and specialty, and access 5,907 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom ecommerce platform builders based in the United States at a glance

As of Sep 28, 2026
26.6%Verified-email coverage
16.1Average contacts per company
11-50Median size (employees)
6.7%Largest-city concentration · New York
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
655
11-50
500
51-200
164
201-500
42
501-1,000
6
1,001-5,000
10
5,001-10,000
1
10001+
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 1,381 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with the United States whose business descriptions match “custom ecommerce platform builders” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 5,907 professional contacts with verified work emails across the full matched dataset. 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 28, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “custom ecommerce platform builders”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom ecommerce platform builders are there based in the United States?

RevenueBase identified 1,381 company matches for custom ecommerce platform builders associated with the United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Flywheel tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most custom ecommerce platform builders?

New York leads with 92 company records, followed by Los Angeles (36) and Chicago (29).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 5,907 professional contacts with verified work emails tracked across these 1,381 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 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 SmartSearch, 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.