Company lists · Data refreshed September 2026
Top 25 Serp optimization companies worldwide
RevenueBase identified 11,328 serp optimization companies worldwide as of September 2026 and tracks 53,063 professional contacts across them, including 6,534 with verified work emails. The United States is the largest market and London the largest hub.
This list covers serp optimization companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026. Country and city lists for serp optimization companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.
The 25 largest serp optimization companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 825 contacts → | ||||
Indirect evidence “Since its inception in 1997, SEO Inc.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 390 contacts → | ||||
Indirect evidence “Do you want to see your business on heights?” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 326 contacts → | ||||
Indirect evidence “At Boostability, we're more than just an SEO company; we're your strategic partner in driving online growth.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 163 contacts → | ||||
Indirect evidence “Votre agence de Marketing Digital, spécialiste du référencement local depuis 2009 Chez Futur Digital, nous comprenons l'importance cruciale d'une présence digitale robuste pour…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 148 contacts → | ||||
Indirect evidence “Welcome to SKS TECH SOLUTION, your number one shop for all things Digital Marketing Services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 141 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 132 contacts → | ||||
Indirect evidence “Cannibals Media is a top-rated digital marketing agency in India.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 127 contacts → | ||||
Indirect evidence “Semalt is a results-driven, technology-inspired SEO company.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 126 contacts → | ||||
Indirect evidence “FIX - профессиональная компания, оказывающая полный спектр услуг в области интернет-маркетинга: разработка web-ресурсов и web-приложений, поисковая оптимизация и продвижение…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 121 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 120 contacts → | ||||
Indirect evidence “Leave Code offers you the best digital marketing services for your products and services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 119 contacts → | ||||
Indirect evidence “Local Splash is the leading local SEO service that specializes in getting our clients high rankings in local search engine results.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 116 contacts → | ||||
Indirect evidence “SEOBROTHERS is a full-cycle SEO agency where search engine optimisation and digital marketing drive everything we do.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 115 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 114 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 111 contacts → | ||||
Indirect evidence “StudioHawk is Australia’s #1 dedicated SEO & AI Search agency.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 109 contacts → | ||||
Indirect evidence “Grizzly New Marketing is een gespecialiseerd SEO marketingbureau in Nederland (Breda en Rotterdam), België (Antwerpen-Berchem) en de Verenigde Staten (New York).” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 108 contacts → | ||||
Indirect evidence “En nuestra agencia SEO en Barcelona somos unos apasionados del posicionamiento web.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 103 contacts → | ||||
Indirect evidence “We are specialists in SEO & Web Designing We are extremely skilled and extremely experienced provider of all of the Web solutions available.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 102 contacts → | ||||
Indirect evidence “Since 2004, Savit Interactive has been at the forefront of digital marketing, empowering businesses across India, the US, UK, Australia, Dubai, and more to build a strong and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 100 contacts → | ||||
Indirect evidence “Stop chasing algorithms.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 98 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 95 contacts → | ||||
Indirect evidence “AONE SEO Service Pvt.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 94 contacts → | ||||
Indirect evidence “Algoritz is the next generation Internet marketing firm growing in a rapid speed ever since it was started in the Year 2010.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 89 contacts → | ||||
Indirect evidence “SeoProfy is your strategic SEO and AI visibility partner for organic and AI visibility that brings real ROI.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: serp optimization companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names serp optimization companies.
- Partial evidence
- Its own public description names part of serp optimization companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name serp optimization companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 11,328 serp optimization companies worldwide
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Serp optimization companies worldwide at a glance
As of Sep 29, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among serp optimization companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for serp optimization companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “serp optimization companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names serp optimization companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among serp optimization companies, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 6,534 across the full list. 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.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Serp optimization companies by location
48 lists · largest firstEvery Serp optimization companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Serp optimization companies based in the United States2,426
- Serp optimization companies based in India1,370
- Serp optimization companies based in the United Kingdom770
- Serp optimization companies based in France346
- Serp optimization companies based in Canada330
- Serp optimization companies based in Spain315
- Serp optimization companies based in Germany307
- Serp optimization companies based in Australia248
- Serp optimization companies based in the Netherlands226
- Serp optimization companies based in Brazil156
- Serp optimization companies based in Poland149
- Serp optimization companies based in the United Arab Emirates100
- Serp optimization companies based in Italy99
- Serp optimization companies based in Türkiye83
- Serp optimization companies based in Israel81
- Serp optimization companies based in South Africa64
- Serp optimization companies based in Sweden57
- Serp optimization companies based in Ukraine57
- Serp optimization companies based in Denmark54
- Serp optimization companies based in the Philippines51
- Serp optimization companies based in Mexico43
- Serp optimization companies based in New Zealand39
- Serp optimization companies based in Switzerland39
- Serp optimization companies based in Belgium36
- Serp optimization companies based in Ireland34
- Serp optimization companies based in Austria33
Cities
- Serp optimization companies based in London, United Kingdom226
- Serp optimization companies based in New Delhi, India132
- Serp optimization companies based in New York, United States105
- Serp optimization companies based in Noida, India99
- Serp optimization companies based in Toronto, Canada83
- Serp optimization companies based in Los Angeles, United States76
- Serp optimization companies based in Paris, France71
- Serp optimization companies based in Mumbai, India49
- Serp optimization companies based in Houston, United States48
- Serp optimization companies based in Madrid, Spain48
- Serp optimization companies based in Barcelona, Spain46
- Serp optimization companies based in Dallas, United States41
- Serp optimization companies based in Austin, United States39
- Serp optimization companies based in Las Vegas, United States39
- Serp optimization companies based in San Diego, United States39
- Serp optimization companies based in Miami, United States37
- Serp optimization companies based in Denver, United States36
- Serp optimization companies based in Berlin, Germany35
- Serp optimization companies based in Melbourne, Australia32
- Serp optimization companies based in Chicago, United States27
- Serp optimization companies based in Tampa, United States26
- Serp optimization companies based in Atlanta, United States25
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names serp optimization companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many serp optimization companies are there worldwide?
RevenueBase identified 11,328 serp optimization companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
SEO INC, headquartered in Carlsbad, tops this list with the largest team on record.
Which country has the most serp optimization companies?
The United States leads with 2,426 companies, followed by India (1,370) and the United Kingdom (770). Every serp optimization companies list by country and city is linked on this page.
Which city has the most serp optimization companies?
London leads with 230 headquartered companies, followed by New Delhi (132) and Dhaka (105).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,534 verified decision-maker contacts tracked across these 11,328 companies.
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.
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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 Smart Search, 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.