Company lists · Data refreshed September 2026

Top 25 SEO agency for B2B companies based in the United States

RevenueBase identified 4,460 company matches for SEO agency for B2B companies associated with the United States as of September 2026 and tracks 61,245 professional contacts across them, including 5,895 with verified work emails. New York is the largest hub.

This list covers company matches for SEO agency for B2B companies 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 21, 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 21, 2026 How this list was built
4,460Companies
61,245Contacts tracked
5,895Verified emails
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The 25 largest SEO agency for B2B companies based in the United States

Ranked by team size
Top 25 of 4,460 company matches for SEO agency for B2B companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchCarlsbad, CA, United StatesHQ recorded Sep 21, 2026n/a825 contacts →

Exact match

“Since its inception in 1997, SEO Inc.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Sep 21, 2026201-500590 contacts →

Exact match

“Wildnet Technologies - Best Digital Marketing Agency | White Label Services for Growing Agencies | Results-Driven AI SEO Services We don't just run campaigns-we build growth…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchMiddletown, DE, United StatesHQ recorded Sep 21, 2026201-500390 contacts →

Exact match

“Do you want to see your business on heights?”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchLehi, UT, United StatesHQ recorded Sep 21, 2026201-500326 contacts →

Exact match

“At Boostability, we're more than just an SEO company; we're your strategic partner in driving online growth.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchLos Angeles, CA, United StatesHQ recorded Sep 21, 2026201-500320 contacts →

Exact match

“Coalition Technologies is one of the leading SEO & web design agencies in the United States.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Sep 21, 2026201-500199 contacts →

Exact match

“Walker Sands is an integrated B2B growth services agency with expertise in strategy, data, content, creative, strategic communications, digital marketing and RevOps.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Sep 21, 202651-200183 contacts →

Exact match

“Incorporated in 2010, AuroIN LLC is a premier digital marketing agency based in World Trade Center, New York, specializing in AI-driven SEO strategies that deliver measurable ROI.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchIrvine, CA, United StatesHQ recorded Sep 21, 202651-200152 contacts →

Exact match

“Local Marketing Company who specializes in helping small businesses with building and managing their online presence through Local SEO, Lead Generation, Local Directory submission…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchFrisco, TX, United StatesHQ recorded Sep 21, 202651-200151 contacts →

Exact match

“CloudMellow is a tech-driven, full-scale digital marketing agency with a proven track record in transforming businesses across the globe through thoughtful and innovative…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchWestlake Village, CA, United StatesHQ recorded Sep 21, 202651-200137 contacts →

Exact match

“National Positions, The Digital Growth Agency, is a 360-degree digital marketing firm located in Southern California.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchNewport Beach, CA, United StatesHQ recorded Sep 21, 202651-200134 contacts →

Exact match

“Mopro gives small businesses a website designed to convert, and the A.I-powered tools they need to claim a top spot in search results and win more customers.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchAmherst, NY, United StatesHQ recorded Sep 21, 202651-200128 contacts →

Exact match

“Mainstreethost specializes in everything you need to have a successful online presence, including search engine optimization, paid search marketing, website design, social media…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchIrvine, CA, United StatesHQ recorded Sep 21, 202651-200121 contacts →

Exact match

“SEOP is one of the leaders in the Search Engine Optimization industry and was co-founded by SEO experts that thrive on a combination of in-depth expertise and creative, forward…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchFountain Valley, CA, United StatesHQ recorded Sep 21, 202651-200119 contacts →

Exact match

“Local Splash is the leading local SEO service that specializes in getting our clients high rankings in local search engine results.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchPlano, TX, United StatesHQ recorded Sep 21, 202651-200117 contacts →

Exact match

“Your GTM engine, fully loaded.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchNorth Hollywood, CA, United StatesHQ recorded Sep 21, 202651-200115 contacts →

Exact match

“Named to Fortune’s 50 Best Workplaces in Advertising & Marketing, Hennessey Digital is an award-winning digital marketing agency specializing in SEO for lawyers and other online…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchEdina, MN, United StatesHQ recorded Sep 21, 202651-200103 contacts →

Exact match

“CAMP Digital is a technology-first digital marketing agency built exclusively for home service companies.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchHarrisburg, PA, United StatesHQ recorded Sep 21, 202651-20092 contacts →

Exact match

“Helping marketing agencies scale with our superior white label SEO service since 2015.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchWest Palm Beach, FL, United StatesHQ recorded Sep 21, 202651-20090 contacts →

Exact match

“Digital Resource is a full-service internet marketing agency based in South Florida.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchPittsburgh, PA, United StatesHQ recorded Sep 21, 202611-5089 contacts →

Exact match

“Direct Online Marketing (DOM) is a digital marketing agency and Top 1% Premier Google Partner that has been helping businesses grow confidently online since 2006.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchOrlando, FL, United StatesHQ recorded Sep 21, 202651-20089 contacts →

Exact match

“SeoProfy is your strategic SEO and AI visibility partner for organic and AI visibility that brings real ROI.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchMiami, FL, United StatesHQ recorded Sep 21, 202611-5088 contacts →

Exact match

“With more than a decade of experience Paper Street Media can help you leverage manpower and increase your capacity for marketing and web design projects.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchNorth Ogden, UT, United StatesHQ recorded Sep 21, 202611-5079 contacts →

Exact match

“BKA Content is an industry-leading SEO services and digital marketing company.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchBoston, MA, United StatesHQ recorded Sep 21, 202651-20079 contacts →

Exact match

“Fuel Online is the definitive global authority in Generative Engine Optimization (GEO) and high-performance search strategy.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchSan Antonio, TX, United StatesHQ recorded Sep 21, 202651-20078 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 4,460 SEO agency for B2B companies based in the United States

See the full list, filter by size, metro and specialty, and access 5,895 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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SEO agency for B2B companies based in the United States at a glance

As of Sep 21, 2026
9.6%Verified-email coverage
13.7Average contacts per company
1-10Median size (employees)
4.1%Largest-city concentration · New York
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
3,246
11-50
1,005
51-200
161
201-500
30
501-1,000
5
10001+
3

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 4,460 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 “SEO agency for B2B companies” 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 5,895 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 21, 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 “SEO agency for B2B companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many SEO agency for B2B companies are there based in the United States?

RevenueBase identified 4,460 company matches for SEO agency for B2B companies 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?

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

Which city has the most SEO agency for B2B companies?

New York leads with 185 company records, followed by Los Angeles (118) and Houston (86).

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 5,895 professional contacts with verified work emails tracked across these 4,460 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 21, 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.