Company lists · Data refreshed October 2026

Top 25 International SEO agencies worldwide

Name: International SEO agencies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 9,783 companies tracked

RevenueBase identified 9,783 company matches for international SEO agencies worldwide as of October 2026 and tracks 66,844 professional contacts across them, including 8,493 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for international SEO agencies 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 October 1, 2026. Country and city lists for international SEO agencies 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 Oct 1, 2026 How this list was built

9,783Companies

66,844Contacts tracked

8,493Verified emails

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The 25 largest international SEO agencies worldwide

Ranked by team size

Top 25 of 9,783 company matches for international SEO agencies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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	Exact match	Melbourne, AustraliaHQ recorded Oct 1, 2026	n/a	6,896 contacts →
	Exact match “The way people search is changing.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2	SEO INC	Exact match	Carlsbad, CA, United StatesHQ recorded Oct 1, 2026	n/a	825 contacts →
	Exact match “Since its inception in 1997, SEO Inc.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Imark Infotech Pvt. LTD	Exact match	Chandigarh, IndiaHQ recorded Oct 1, 2026	201-500	629 contacts →
	Exact match “With a vision of delivering innovative solutions through cutting-edge technology, Mr.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Wildnet Technologies	Exact match	New York, NY, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
5	Clickout Media	Exact match	Naxxar, MaltaHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
6	KPL Tech Solution Pvt. LTD	Exact match	Middletown, DE, United StatesHQ recorded Oct 1, 2026	201-500	390 contacts →
	Exact match “Do you want to see your business on heights?” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Boostability	Exact match	Lehi, UT, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
8	Coalition Technologies	Exact match	Los Angeles, CA, United StatesHQ recorded Oct 1, 2026	201-500	320 contacts →
	Exact match “Coalition Technologies is one of the leading SEO & web design agencies in the United States.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Clearpath Technology PVT LTD	Exact match	New Delhi, IndiaHQ recorded Oct 1, 2026	501-1,000	300 contacts →
	Exact match “Clearpath Technology is managed and owned by dedicated and highly experienced team comprising of:* Internet Marketers * Search Engine Optimizers * Web Designers * Web Developers *…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Acodez IT Solutions Pvt. LTD	Exact match	Calicut, IndiaHQ recorded Oct 1, 2026	51-200	257 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 · Oct 1, 2026 · View company records in RevenueBase
11	Eskimoz	Exact match	Boulogne-billancourt, FranceHQ recorded Oct 1, 2026	201-500	226 contacts →
	Exact match “Eskimoz est une agence d’acquisition digitale internationale qui aide les entreprises à optimiser leurs revenus et booster leur croissance grâce aux leviers digitaux tels que SEO…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12	OOM Singapore	Exact match	SingaporeHQ recorded Oct 1, 2026	51-200	226 contacts →
	Exact match “Award-winning Digital Marketing Agency in Singapore.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Ics-Digital	Exact match	Leeds, United KingdomHQ recorded Oct 1, 2026	51-200	168 contacts →
	Exact match “ICS-digital is a global SEO, content, advertising, translation & digital PR agency working in over 100 languages, across over 90 markets in the most highly regulated and highly…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14	Web-Netz Gmbh	Exact match	Lüneburg, GermanyHQ recorded Oct 1, 2026	51-200	146 contacts →
	Exact match “Online-Marketing aus einer Hand“ - Das ist das Motto der Online-Agentur web-netz.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Liveseo	Exact match	Maringá, BrazilHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
16	Essentials The Agency	Exact match	Jakarta Barat, IndonesiaHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
17	Cannibals Media	Exact match	Pune, IndiaHQ recorded Oct 1, 2026	11-50	132 contacts →
	Exact match “Cannibals Media is a top-rated digital marketing agency in India.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Semalt	Exact match	Kyiv, UkraineHQ recorded Oct 1, 2026	51-200	127 contacts →
	Exact match “Semalt is a results-driven, technology-inspired SEO company.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19	FIX Group Of Companies	Exact match	Mesa Geitonia, CyprusHQ recorded Oct 1, 2026	501-1,000	126 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 · Oct 1, 2026 · View company records in RevenueBase
20	SEOP	Exact match	Irvine, CA, United StatesHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
21	Leave Code Technologies Pvt. LTD	Exact match	Laxmi Nagar, IndiaHQ recorded Oct 1, 2026	11-50	120 contacts →
	Exact match “Leave Code offers you the best digital marketing services for your products and services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Seobrothers	Exact match	Skanste, LatviaHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
23	Siege Media	Exact match	Austin, TX, United StatesHQ recorded Oct 1, 2026	51-200	111 contacts →
	Exact match “We help growing brands scale with SEO, GEO, content marketing and PR.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Studiohawk	Exact match	Melbourne, AustraliaHQ recorded Oct 1, 2026	51-200	111 contacts →
	Exact match “StudioHawk is Australia’s #1 dedicated SEO & AI Search agency.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	Grizzly NEW Marketing	Exact match	Breda, NetherlandsHQ recorded Oct 1, 2026	51-200	109 contacts →
	Exact match “Grizzly New Marketing is een gespecialiseerd SEO marketingbureau in Nederland (Breda en Rotterdam), België (Antwerpen-Berchem) en de Verenigde Staten (New York).” Recorded in the RevenueBase company graph · Oct 1, 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 SEO agencies”. 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 9,783 international SEO agencies worldwide

See the full list, filter by size, metro and specialty, and access 8,493 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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International SEO agencies worldwide at a glance

As of Oct 1, 2026

12.7%Verified-email coverage

6.8Average contacts per company

1-10Median size (employees)

2.3%Largest-city concentration · London

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

6,832

11-50

2,380

51-200

430

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 SEO agencies are linked below.
What qualifies: Company records worldwide whose business descriptions match “international SEO agencies” 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 8,493 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 October 1, 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 SEO agencies by location

56 lists · largest first

Every International SEO agencies 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 SEO agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many international SEO agencies are there worldwide?

RevenueBase identified 9,783 company matches for international SEO agencies worldwide as of October 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 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most international SEO agencies?

The United States leads with 1,671 companies, followed by India (981) and the United Kingdom (749). Every international SEO agencies list by country and city is linked on this page.

Which city has the most international SEO agencies?

London leads with 222 company records, followed by New Delhi (92) and New York (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 8,493 professional contacts with verified work emails tracked across these 9,783 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 October 1, 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.