Company lists · Data refreshed September 2026

Top 25 SEO and content optimization software companies worldwide

Name: SEO and content optimization software companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 12,112 companies tracked

RevenueBase identified 12,112 company matches for SEO and content optimization software companies worldwide as of September 2026 and tracks 96,824 professional contacts across them, including 8,486 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for SEO and content optimization software companies worldwide, 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 29, 2026. Country and city lists for SEO and content optimization software companies follow the table.

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 29, 2026 How this list was built

12,112Companies

96,824Contacts tracked

8,486Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest SEO and content optimization software companies worldwide

Ranked by team size

Top 25 of 12,112 company matches for SEO and content optimization software companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	SEO INC	Exact match	Carlsbad, CA, United StatesHQ recorded Sep 29, 2026	n/a	825 contacts →
	Exact match “Since its inception in 1997, SEO Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2	Wildnet Technologies	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	201-500	590 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 29, 2026 · View company records in RevenueBase
3	Conductor	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	201-500	589 contacts →
	Exact match “At Conductor, we’re on a mission to help companies realize the full potential of their AI search presence and translate their wisdom into content that helps people.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4	Clickout Media	Exact match	Naxxar, MaltaHQ recorded Sep 29, 2026	201-500	463 contacts →
	Exact match “ClickOut Media is an remote first, industry leading, multichannel marketing company, delivering best in class SEO & content for esteemed clients all over the world.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5	KPL Tech Solution Pvt. LTD	Exact match	Middletown, DE, United StatesHQ recorded Sep 29, 2026	201-500	390 contacts →
	Exact match “Do you want to see your business on heights?” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6	Boostability	Exact match	Lehi, UT, United StatesHQ recorded Sep 29, 2026	201-500	326 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 29, 2026 · View company records in RevenueBase
7	MOZ	Exact match	Vancouver, BC, CanadaHQ recorded Sep 29, 2026	51-200	219 contacts →
	Exact match “Marketing Analytics Software for SEO, Links, and Brand • A Vibrant Online Marketing Community • Resources for Learning Inbound Marketing Moz develops inbound marketing software…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8	Whitepress	Exact match	Bielsko-biała, PolandHQ recorded Sep 29, 2026	201-500	209 contacts →
	Exact match “WhitePress® supports SEO and content marketing activities by providing an automated platform that allows you to publish articles in thousands of portals worldwide.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9	auroin.com	Exact match	New York, NY, United StatesHQ recorded Sep 29, 2026	51-200	183 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 29, 2026 · View company records in RevenueBase
10	Ahrefs	Exact match	SingaporeHQ recorded Sep 29, 2026	51-200	174 contacts →
	Exact match “Ahrefs is the marketing platform built to keep your brand discoverable across search, AI, and the web.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11	Brightlocal	Exact match	Brighton And Hove, United KingdomHQ recorded Sep 29, 2026	51-200	173 contacts →
	Exact match “BrightLocal offers local SEO software and services that help businesses get found, chosen, and trusted in their local area.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12	WP SEO AI	Exact match	Amsterdam, NetherlandsHQ recorded Sep 29, 2026	51-200	166 contacts →
	Exact match “Even before AI-powered Search and platforms like ChatGPT or Perplexity started reshaping how people search, we anticipated the shift in user behaviour.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13	Liveseo	Exact match	Maringá, BrazilHQ recorded Sep 29, 2026	51-200	141 contacts →
	Exact match “Founded in 2016 in Spain, and currently operating in Brazil, liveSEO performs consistent and well-targeted work in SEO (search engine optimization), attracting companies looking…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14	Essentials The Agency	Exact match	Jakarta Barat, IndonesiaHQ recorded Sep 29, 2026	11-50	134 contacts →
	Exact match “At essentials the agency, we help brands take control of their digital presence and dominate their online space, not just exist in it.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15	Semalt	Exact match	Kyiv, UkraineHQ recorded Sep 29, 2026	51-200	127 contacts →
	Exact match “Semalt is a results-driven, technology-inspired SEO company.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16	Activant Solutions PVT Ltd, Jaipur	Exact match	Jaipur, IndiaHQ recorded Sep 29, 2026	51-200	125 contacts →
	Exact match “With more than 15 years in business and a highly experienced and professional team of more than 100 team members; Activant Solutions Private Limited, founded in 2005 by the…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17	Search Engine Journal	Exact match	Boca Raton, FL, United StatesHQ recorded Sep 29, 2026	11-50	122 contacts →
	Exact match “We are SEO professionals, content writers, and marketers, just like you.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18	SEOP	Exact match	Irvine, CA, United StatesHQ recorded Sep 29, 2026	51-200	121 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 29, 2026 · View company records in RevenueBase
19	Leavecode Technologies	Exact match	Bijnor, IndiaHQ recorded Sep 29, 2026	51-200	118 contacts →
	Exact match “Leave Code offers you the best digital marketing services for your products and services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20	Seobrothers	Exact match	Skanste, LatviaHQ recorded Sep 29, 2026	51-200	116 contacts →
	Exact match “SEOBROTHERS is a full-cycle SEO agency where search engine optimisation and digital marketing drive everything we do.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21	CGS Infotech Solutions	Exact match	Tampa, FL, United StatesHQ recorded Sep 29, 2026	501-1,000	115 contacts →
	Exact match “CGS Infotech is a global Information Technology & Media company serving over thousand customers in 40 countries since 1995.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22	compose.ly	Exact match	Seattle, WA, United StatesHQ recorded Sep 29, 2026	11-50	115 contacts →
	Exact match “Compose.ly is a content marketing and seo agency that helps brands like WebMD, Calendly, Money.com, TED, and Get Your Guide turn organic content into measurable growth across…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23	G-Rank	Exact match	Hyderabad, IndiaHQ recorded Sep 29, 2026	51-200	114 contacts →
	Exact match “G-Rank an ISO 9001:2008 certified company is established in the year 2010 and now it is a leading Digital Marketing Company that is authorized by Google.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24	Growthx AI	Exact match	San Francisco, CA, United StatesHQ recorded Sep 29, 2026	51-200	111 contacts →
	Exact match “The first sales call now happens inside an AI answer.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25	Studiohawk	Exact match	Melbourne, AustraliaHQ recorded Sep 29, 2026	51-200	111 contacts →
	Exact match “StudioHawk is Australia’s #1 dedicated SEO & AI Search agency.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “SEO and content optimization software companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 12,112 SEO and content optimization software companies worldwide

See the full list, filter by size, metro and specialty, and access 8,486 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

SEO and content optimization software companies worldwide at a glance

As of Sep 29, 2026

8.8%Verified-email coverage

8.0Average contacts per company

1-10Median size (employees)

2.1%Largest-city concentration · London

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

8,856

11-50

2,623

51-200

469

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency is reported on each country list linked below.

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.
Coverage: Every country. Country and city lists for SEO and content optimization software companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “SEO and content optimization software 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. 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 8,486 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 29, 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.

SEO and content optimization software companies by location

49 lists · largest first

Every SEO and content optimization software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 and content optimization software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many SEO and content optimization software companies are there worldwide?

RevenueBase identified 12,112 company matches for SEO and content optimization software companies worldwide 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 country has the most SEO and content optimization software companies?

The United States leads with 2,387 companies, followed by India (1,377) and the United Kingdom (804). Every SEO and content optimization software companies list by country and city is linked on this page.

Which city has the most SEO and content optimization software companies?

London leads with 254 company records, followed by New Delhi (121) and New York (112).

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 8,486 professional contacts with verified work emails tracked across these 12,112 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 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 12,112 SEO and content optimization software companies worldwide. Start with a free account, no credit card.

Download this list →

Related lists

Browse the directory

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.