Company lists · Data refreshed November 2026

Top 25 International website optimization companies worldwide

Name: International website optimization companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 15,248 companies tracked

RevenueBase identified 15,248 company matches for international website optimization companies worldwide as of November 2026 and tracks 80,587 professional contacts across them, including 10,549 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for international website optimization 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 November 6, 2026. Country and city lists for international website optimization 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 Nov 6, 2026 How this list was built

15,248Companies

80,587Contacts tracked

10,549Verified emails

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The 25 largest international website optimization companies worldwide

Ranked by team size

Top 25 of 15,248 company matches for international website optimization companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 Nov 6, 2026	n/a	838 contacts →
	Exact match “Since its inception in 1997, SEO Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Imark Infotech Pvt. LTD	Exact match	Chandigarh, IndiaHQ recorded Nov 6, 2026	201-500	720 contacts →
	Exact match “With a vision of delivering innovative solutions through cutting-edge technology, Mr.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Ebrandz LLP	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	201-500	434 contacts →
	Exact match “Within a short span, eBrandz has seen enormous growth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Clickout Media	Exact match	Naxxar, MaltaHQ recorded Nov 6, 2026	201-500	405 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 · Nov 6, 2026 · View company records in RevenueBase
5	KPL Tech Solution Pvt. LTD	Exact match	Middletown, DE, United StatesHQ recorded Nov 6, 2026	201-500	368 contacts →
	Exact match “Do you want to see your business on heights?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Softtrix Tech Solutions PVT LTD	Exact match	Chandigarh, IndiaHQ recorded Nov 6, 2026	201-500	361 contacts →
	Exact match “Welcome to Softtrix, your ultimate choice for website designing and internet marketing.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Coalition Technologies	Exact match	Los Angeles, CA, United StatesHQ recorded Nov 6, 2026	201-500	332 contacts →
	Exact match “Coalition Technologies is one of the leading SEO & web design agencies in the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Boostability	Exact match	Lehi, UT, United StatesHQ recorded Nov 6, 2026	201-500	327 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 · Nov 6, 2026 · View company records in RevenueBase
9	Webhopers Infotech Pvt. LTD	Exact match	Zirakpur, IndiaHQ recorded Nov 6, 2026	51-200	304 contacts →
	Exact match “WebHopers is a complete Digital Marketing and Development Company which have contributed many startups who are looking to capitalize on limitless possibilities that digital…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Acodez IT Solutions Pvt. LTD	Exact match	Calicut, IndiaHQ recorded Nov 6, 2026	51-200	255 contacts →
	Exact match “Acodez is a leading web design and online marketing agency based in India, renowned for our exceptional services and accolades.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Herold	Exact match	Vienna, AustriaHQ recorded Nov 6, 2026	51-200	213 contacts →
	Exact match “Seit der Gründung in 1919 hat sich Herold laufend weiterentwickelt und ist heute Teil der group.one, die zu einer der führenden Unternehmensgruppen in Europa im Bereich Domains…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Mediaveille - MV Group	Exact match	Cesson-sévigné, FranceHQ recorded Nov 6, 2026	51-200	209 contacts →
	Exact match “MEDIAVEILLE est une agence de conseil et de services de marketing online qui met en œuvre des stratégies de conquête et de fidélisation sur Internet.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	ICEA	Exact match	Poznan, NY, PolandHQ recorded Nov 6, 2026	51-200	159 contacts →
	Exact match “ICEA S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Liveseo	Exact match	Maringá, BrazilHQ recorded Nov 6, 2026	51-200	154 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 · Nov 6, 2026 · View company records in RevenueBase
15	Local WEB	Exact match	Milan, ItalyHQ recorded Nov 6, 2026	201-500	145 contacts →
	Exact match “Fatti trovare nel web e dai vita alla tua attività commerciale indicizzandoli sulla mappa.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	SEOP	Exact match	Irvine, CA, United StatesHQ recorded Nov 6, 2026	51-200	145 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 · Nov 6, 2026 · View company records in RevenueBase
17	Semalt	Exact match	Kyiv, UkraineHQ recorded Nov 6, 2026	51-200	141 contacts →
	Exact match “Semalt is a results-driven, technology-inspired SEO company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Indi IT Solutions	Exact match	Mohali, IndiaHQ recorded Nov 6, 2026	51-200	137 contacts →
	Exact match “Founded in 2010 with a team of professional web developers & creative designers, Indi IT Solutions has its forte in providing innovative web solutions to end users as well as…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Leavecode Technologies	Exact match	Bijnor, IndiaHQ recorded Nov 6, 2026	51-200	134 contacts →
	Exact match “Leave Code offers you the best digital marketing services for your products and services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	FIX Group Of Companies	Exact match	Mesa Geitonia, CyprusHQ recorded Nov 6, 2026	501-1,000	133 contacts →
	Exact match “FIX - профессиональная компания, оказывающая полный спектр услуг в области интернет-маркетинга: разработка web-ресурсов и web-приложений, поисковая оптимизация и продвижение…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	CGS Infotech Solutions	Exact match	Tampa, FL, United StatesHQ recorded Nov 6, 2026	501-1,000	118 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 · Nov 6, 2026 · View company records in RevenueBase
22	Pikseo	Exact match	Bydgoszcz, PolandHQ recorded Nov 6, 2026	201-500	116 contacts →
	Exact match “Od 16 lat zajmujemy się marketingiem internetowym: Google Ads, Meta Ads, SEO, social media oraz strony.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Noiise	Exact match	Lyon, FranceHQ recorded Nov 6, 2026	51-200	114 contacts →
	Exact match “NOIISE is a team of passionate experts living the Internet culture since Promoting ethical SEO and accessible Web, NOIISE offers sustainable solutions to create, convert and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Mediatrenz	Exact match	Middletown, DE, United StatesHQ recorded Nov 6, 2026	51-200	113 contacts →
	Exact match “MediaTrenz is a leading ROI-driven SEO company in India that help you rank high on search engine results.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	GTV SEO	Exact match	Ho Chi Minh City, VietnamHQ recorded Nov 6, 2026	51-200	110 contacts →
	Exact match “Dịch vụ Seo của Công ty GTV SEO giúp các doanh nghiệp không chỉ có thêm nhiều khách hàng và lợi nhuận hàng tháng mà còn giúp cho các doanh nghiệp xây dựng thương hiệu và chỗ đứng…” Recorded in the RevenueBase company graph · Nov 6, 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 “international website optimization 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 15,248 international website optimization companies worldwide

See the full list, filter by size, metro and specialty, and access 10,549 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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International website optimization companies worldwide at a glance

As of Nov 6, 2026

13.1%Verified-email coverage

5.3Average contacts per company

1-10Median size (employees)

1.7%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

11,053

11-50

3,386

51-200

556

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 international website optimization companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “international website optimization 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 10,549 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 November 6, 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.

International website optimization companies by location

63 lists · largest first

Every International website optimization 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 “international website optimization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many international website optimization companies are there worldwide?

RevenueBase identified 15,248 company matches for international website optimization companies worldwide as of November 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 international website optimization companies?

The United States leads with 2,789 companies, followed by India (1,808) and the United Kingdom (1,028). Every international website optimization companies list by country and city is linked on this page.

Which city has the most international website optimization companies?

London leads with 262 company records, followed by New Delhi (200) and Noida (116).

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 10,549 professional contacts with verified work emails tracked across these 15,248 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 November 6, 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.