Company lists · Data refreshed October 2026
Top 25 SEO audit tool vendors worldwide
RevenueBase identified 1,397 company matches for SEO audit tool vendors worldwide as of October 2026 and tracks 40,467 professional contacts across them, including 1,075 with verified work emails. The United States is the largest market and Paris the largest hub.
This list covers company matches for SEO audit tool vendors 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 20, 2026. Country and city lists for SEO audit tool vendors 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.
The 25 largest SEO audit tool vendors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 223 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 · Oct 20, 2026 · View company records in RevenueBase | |||||
| 2 | 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 · Oct 20, 2026 · View company records in RevenueBase | |||||
| 3 | 132 contacts → | ||||
Exact match “Semalt is a results-driven, technology-inspired SEO company.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 4 | 103 contacts → | ||||
Exact match “SEOmoz is the world’s most popular provider of SEO software.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 5 | 93 contacts → | ||||
Exact match “Who are we?” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 6 | 75 contacts → | ||||
Exact match “Serpstat is the go-to platform to speed up search marketing goals achievement.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 7 | 70 contacts → | ||||
Exact match “Silktide makes software to understand and improve websites, covering accessibility, SEO, UX, data privacy, and more.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 8 | 60 contacts → | ||||
Exact match “seoClarity is an enterprise search intelligence platform that merges SEO and AI search optimization to keep global brands visible across a fragmented search landscape.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 9 | 60 contacts → | ||||
Exact match “Web Merketing Tools & Services.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 10 | 59 contacts → | ||||
Exact match “Your AI-powered SEO Co-Pilot Summary: Scalenut is an AI-powered SEO platform that helps businesses drive organic traffic and build sustainable businesses.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 11 | 57 contacts → | ||||
Exact match “We believe SEO doesn't have to be mysterious.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 12 | 54 contacts → | ||||
Exact match “Established in 1997, Trillion (formerly Trellian) pioneered in web-based, self-serve SEO tools.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 13 | 53 contacts → | ||||
Exact match “TopOnSeek cung cấp các dịch vụ SEO toàn diện cho website của bạn, trong đó bao gồm dịch vụ: 1.Auditing/Kiểm tra lỗi SEO và Kèm giải pháp xử lý, 2.Tư vấn chiến lược SEO - Nghiên…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 14 | 50 contacts → | ||||
Exact match “NAXA è un’azienda che produce servizi di web marketing e ottimizza il vostro sito internet sui motori di ricerca per aumentare il posizionamento e la visibilità, verso i vostri…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 15 | 48 contacts → | ||||
Exact match “WEBCEO LLC, founded in produces the world-famous WebCEO SEO Platform with 24 tools and white-label functionality.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 16 | 46 contacts → | ||||
Exact match “Screaming Frog is a search marketing agency drawing on years of experience from within the world of digital marketing.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 17 | 43 contacts → | ||||
Exact match “Oncrawl is a technical SEO data provider.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 18 | 39 contacts → | ||||
Exact match “RankWatch is globally recognized as one of the most prestigious names in the Digital Marketing industry.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 19 | 36 contacts → | ||||
Exact match “Première.page is an agency that has specialised in natural referencing for 10 years.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 20 | 35 contacts → | ||||
Exact match “Senuto is a SaaS-based SEO analytics platform and know-how consultancy that delivers data to help you easily improve your search engine ranking through data-driven content…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 21 | 34 contacts → | ||||
Exact match “Pi Datametrics is the enterprise SEO and search intelligence platform built for the AI era of search.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 22 | 34 contacts → | ||||
Exact match “Mangools is an All-in-One SEO toolset suitable for business owners, marketers, bloggers & agencies, covering everything from Keyword research - SERP analysis - Rank tracking -…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 23 | 33 contacts → | ||||
Exact match “eTeamsys is a search engine optimization company located in Luxembourg and Belgium that will bring you better rankings in search engine result pages, increase your traffic…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 24 | 32 contacts → | ||||
Exact match “SEOmonitor is the platform that empowers SEO agencies to plan and track keyword performance with high accuracy, connect organic keywords with conversions and sessions, forecast…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 25 | 29 contacts → | ||||
Exact match “Kleecks is an innovative SaaS platform that optimises performance marketing activities, improves website health and speed in real-time, and has a significant impact on businesses…” Recorded in the RevenueBase company graph · Oct 20, 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 audit tool vendors”. 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 1,397 SEO audit tool vendors worldwide
See the full list, filter by size, metro and specialty, and access 1,075 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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SEO audit tool vendors worldwide at a glance
As of Oct 20, 2026Companies by employee count
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 audit tool vendors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “SEO audit tool vendors” 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 1,075 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 20, 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 audit tool vendors by location
4 lists · largest firstEvery SEO audit tool vendors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 audit tool vendors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many SEO audit tool vendors are there worldwide?
RevenueBase identified 1,397 company matches for SEO audit tool vendors 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?
WP SEO AI tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most SEO audit tool vendors?
The United States leads with 239 companies, followed by France (84) and the United Kingdom (68). Every SEO audit tool vendors list by country and city is linked on this page.
Which city has the most SEO audit tool vendors?
Paris leads with 24 company records, followed by London (22) and New York (20).
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 1,075 professional contacts with verified work emails tracked across these 1,397 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 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,397 SEO audit tool vendors worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 SEO audit tool vendors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,397 matching company records for SEO audit tool vendors worldwide, with 40,467 tracked contacts and 1,075 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 SEO audit tool vendors worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  WP SEO AIwpseoai.comHQ: Amsterdam, NetherlandsReported employees: 51-200 | Amsterdam, Netherlands | 51-200 | Exact match | 223 contacts → |
“Even before AI-powered Search and platforms like ChatGPT or Perplexity started reshaping how people search, we anticipated the shift in user behaviour.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Ahrefsahrefs.comHQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 174 contacts → |
“Ahrefs is the marketing platform built to keep your brand discoverable across search, AI, and the web.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Semaltsemalt.comHQ: Kyiv, UkraineReported employees: 51-200 | Kyiv, Ukraine | 51-200 | Exact match | 132 contacts → |
“Semalt is a results-driven, technology-inspired SEO company.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Seomozseomoz.orgHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 103 contacts → |
“SEOmoz is the world’s most popular provider of SEO software.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Loopex Digitalloopexdigital.com HQ: Yerevan, ArmeniaReported employees: 11-50 | Yerevan, Armenia | 11-50 | Exact match | 93 contacts → |
“Who are we?” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Serpstatserpstat.comHQ: Odesa, UkraineReported employees: 51-200 | Odesa, Ukraine | 51-200 | Exact match | 75 contacts → |
“Serpstat is the go-to platform to speed up search marketing goals achievement.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Silktidesilktide.comHQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 70 contacts → |
“Silktide makes software to understand and improve websites, covering accessibility, SEO, UX, data privacy, and more.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Seoclarityseoclarity.netHQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 60 contacts → |
“seoClarity is an enterprise search intelligence platform that merges SEO and AI search optimization to keep global brands visible across a fragmented search landscape.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Faber Company INCfabercompany.co.jpHQ: 港区, JapanReported employees: 51-200 | 港区, Japan | 51-200 | Exact match | 60 contacts → |
“Web Merketing Tools & Services.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Scalenutscalenut.comHQ: Altadena, CA, United StatesReported employees: 11-50 | Altadena, CA, United States | 11-50 | Exact match | 59 contacts → |
“Your AI-powered SEO Co-Pilot Summary: Scalenut is an AI-powered SEO platform that helps businesses drive organic traffic and build sustainable businesses.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sistrixsistrix.comHQ: Bonn, GermanyReported employees: 11-50 | Bonn, Germany | 11-50 | Exact match | 57 contacts → |
“We believe SEO doesn't have to be mysterious.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  trillion.comtrillion.comHQ: Beaumaris, AustraliaReported employees: 51-200 | Beaumaris, Australia | 51-200 | Exact match | 54 contacts → |
“Established in 1997, Trillion (formerly Trellian) pioneered in web-based, self-serve SEO tools.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Hai Chau, VietnamReported employees: 51-200 | Hai Chau, Vietnam | 51-200 | Exact match | 53 contacts → |
“TopOnSeek cung cấp các dịch vụ SEO toàn diện cho website của bạn, trong đó bao gồm dịch vụ: 1.Auditing/Kiểm tra lỗi SEO và Kèm giải pháp xử lý, 2.Tư vấn chiến lược SEO - Nghiên…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  NAXAnaxa.wsHQ: Bernareggio, ItalyReported employees: 11-50 | Bernareggio, Italy | 11-50 | Exact match | 50 contacts → |
“NAXA è un’azienda che produce servizi di web marketing e ottimizza il vostro sito internet sui motori di ricerca per aumentare il posizionamento e la visibilità, verso i vostri…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Webceowebceo.comHQ: Sheridan, WY, United StatesReported employees: 51-200 | Sheridan, WY, United States | 51-200 | Exact match | 48 contacts → |
“WEBCEO LLC, founded in produces the world-famous WebCEO SEO Platform with 24 tools and white-label functionality.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Screaming Frogscreamingfrog.co.ukHQ: Henley-on-thames, United KingdomReported employees: 11-50 | Henley-on-thames, United Kingdom | 11-50 | Exact match | 46 contacts → |
“Screaming Frog is a search marketing agency drawing on years of experience from within the world of digital marketing.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Oncrawloncrawl.comHQ: Mérignac, FranceReported employees: 51-200 | Mérignac, France | 51-200 | Exact match | 43 contacts → |
“Oncrawl is a technical SEO data provider.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Rankwatch INCrankwatch.comHQ: Gurgaon, IndiaReported employees: 51-200 | Gurgaon, India | 51-200 | Exact match | 39 contacts → |
“RankWatch is globally recognized as one of the most prestigious names in the Digital Marketing industry.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Première.Pagepremiere.pageHQ: Anglet, FranceReported employees: 11-50 | Anglet, France | 11-50 | Exact match | 36 contacts → |
“Première.page is an agency that has specialised in natural referencing for 10 years.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Senutosenuto.comHQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 35 contacts → |
“Senuto is a SaaS-based SEO analytics platform and know-how consultancy that delivers data to help you easily improve your search engine ranking through data-driven content…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  PI Datametricspi-datametrics.comHQ: Brighton, United KingdomReported employees: 51-200 | Brighton, United Kingdom | 51-200 | Exact match | 34 contacts → |
“Pi Datametrics is the enterprise SEO and search intelligence platform built for the AI era of search.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Mangoolsmangools.comHQ: Bratislava, SlovakiaReported employees: 11-50 | Bratislava, Slovakia | 11-50 | Exact match | 34 contacts → |
“Mangools is an All-in-One SEO toolset suitable for business owners, marketers, bloggers & agencies, covering everything from Keyword research - SERP analysis - Rank tracking -…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Eteamsyseteamsys.comHQ: Liège, BelgiumReported employees: 11-50 | Liège, Belgium | 11-50 | Exact match | 33 contacts → |
“eTeamsys is a search engine optimization company located in Luxembourg and Belgium that will bring you better rankings in search engine result pages, increase your traffic…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Seomonitorseomonitor.comHQ: Sector 2, RomaniaReported employees: 11-50 | Sector 2, Romania | 11-50 | Exact match | 32 contacts → |
“SEOmonitor is the platform that empowers SEO agencies to plan and track keyword performance with high accuracy, connect organic keywords with conversions and sessions, forecast…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Kleeckskleecks.comHQ: Milan, ItalyReported employees: 11-50 | Milan, Italy | 11-50 | Exact match | 29 contacts → |
“Kleecks is an innovative SaaS platform that optimises performance marketing activities, improves website health and speed in real-time, and has a significant impact on businesses…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,397 company matches
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SEO audit tool vendors: dataset insights
October 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,392 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,397 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
SEO audit tool vendors by location
4 lists · largest firstEvery SEO audit tool vendors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for SEO audit tool vendors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many SEO audit tool vendors did RevenueBase find worldwide?
The saved snapshot records 1,397 matching company records, 40,467 tracked contacts and 1,075 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 SEO audit tool vendors worldwide. Snapshot: October 20, 2026. https://revenuebase.ai/companies/browse/seo-audit-tool-vendors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 SEO audit tool vendors worldwide
RevenueBase records 1,397 matching company records for SEO audit tool vendors worldwide, with 40,467 tracked contacts and 1,075 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 SEO audit tool vendors worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | WP SEO AIwpseoai.com HQ: Amsterdam, NetherlandsReported employees: 51-200 | Amsterdam, Netherlands | 51-200 | Exact match | 223 contacts → |
“Even before AI-powered Search and platforms like ChatGPT or Perplexity started reshaping how people search, we anticipated the shift in user behaviour.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ahrefsahrefs.com HQ: SingaporeReported employees: 51-200 | Singapore | 51-200 | Exact match | 174 contacts → |
“Ahrefs is the marketing platform built to keep your brand discoverable across search, AI, and the web.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Semaltsemalt.com HQ: Kyiv, UkraineReported employees: 51-200 | Kyiv, Ukraine | 51-200 | Exact match | 132 contacts → |
“Semalt is a results-driven, technology-inspired SEO company.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Seomozseomoz.org HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 103 contacts → |
“SEOmoz is the world’s most popular provider of SEO software.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Loopex Digitalloopexdigital.com HQ: Yerevan, ArmeniaReported employees: 11-50 | Yerevan, Armenia | 11-50 | Exact match | 93 contacts → |
“Who are we?” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Serpstatserpstat.com HQ: Odesa, UkraineReported employees: 51-200 | Odesa, Ukraine | 51-200 | Exact match | 75 contacts → |
“Serpstat is the go-to platform to speed up search marketing goals achievement.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Silktidesilktide.com HQ: Austin, TX, United StatesReported employees: 51-200 | Austin, TX, United States | 51-200 | Exact match | 70 contacts → |
“Silktide makes software to understand and improve websites, covering accessibility, SEO, UX, data privacy, and more.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Seoclarityseoclarity.net HQ: Chicago, IL, United StatesReported employees: 51-200 | Chicago, IL, United States | 51-200 | Exact match | 60 contacts → |
“seoClarity is an enterprise search intelligence platform that merges SEO and AI search optimization to keep global brands visible across a fragmented search landscape.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Faber Company INCfabercompany.co.jp HQ: 港区, JapanReported employees: 51-200 | 港区, Japan | 51-200 | Exact match | 60 contacts → |
“Web Merketing Tools & Services.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Scalenutscalenut.com HQ: Altadena, CA, United StatesReported employees: 11-50 | Altadena, CA, United States | 11-50 | Exact match | 59 contacts → |
“Your AI-powered SEO Co-Pilot Summary: Scalenut is an AI-powered SEO platform that helps businesses drive organic traffic and build sustainable businesses.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sistrixsistrix.com HQ: Bonn, GermanyReported employees: 11-50 | Bonn, Germany | 11-50 | Exact match | 57 contacts → |
“We believe SEO doesn't have to be mysterious.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | trillion.comtrillion.com HQ: Beaumaris, AustraliaReported employees: 51-200 | Beaumaris, Australia | 51-200 | Exact match | 54 contacts → |
“Established in 1997, Trillion (formerly Trellian) pioneered in web-based, self-serve SEO tools.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Hai Chau, VietnamReported employees: 51-200 | Hai Chau, Vietnam | 51-200 | Exact match | 53 contacts → |
“TopOnSeek cung cấp các dịch vụ SEO toàn diện cho website của bạn, trong đó bao gồm dịch vụ: 1.Auditing/Kiểm tra lỗi SEO và Kèm giải pháp xử lý, 2.Tư vấn chiến lược SEO - Nghiên…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | NAXAnaxa.ws HQ: Bernareggio, ItalyReported employees: 11-50 | Bernareggio, Italy | 11-50 | Exact match | 50 contacts → |
“NAXA è un’azienda che produce servizi di web marketing e ottimizza il vostro sito internet sui motori di ricerca per aumentare il posizionamento e la visibilità, verso i vostri…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Webceowebceo.com HQ: Sheridan, WY, United StatesReported employees: 51-200 | Sheridan, WY, United States | 51-200 | Exact match | 48 contacts → |
“WEBCEO LLC, founded in produces the world-famous WebCEO SEO Platform with 24 tools and white-label functionality.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Screaming Frogscreamingfrog.co.uk HQ: Henley-on-thames, United KingdomReported employees: 11-50 | Henley-on-thames, United Kingdom | 11-50 | Exact match | 46 contacts → |
“Screaming Frog is a search marketing agency drawing on years of experience from within the world of digital marketing.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Oncrawloncrawl.com HQ: Mérignac, FranceReported employees: 51-200 | Mérignac, France | 51-200 | Exact match | 43 contacts → |
“Oncrawl is a technical SEO data provider.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Rankwatch INCrankwatch.com HQ: Gurgaon, IndiaReported employees: 51-200 | Gurgaon, India | 51-200 | Exact match | 39 contacts → |
“RankWatch is globally recognized as one of the most prestigious names in the Digital Marketing industry.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Première.Pagepremiere.page HQ: Anglet, FranceReported employees: 11-50 | Anglet, France | 11-50 | Exact match | 36 contacts → |
“Première.page is an agency that has specialised in natural referencing for 10 years.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Senutosenuto.com HQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 35 contacts → |
“Senuto is a SaaS-based SEO analytics platform and know-how consultancy that delivers data to help you easily improve your search engine ranking through data-driven content…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | PI Datametricspi-datametrics.com HQ: Brighton, United KingdomReported employees: 51-200 | Brighton, United Kingdom | 51-200 | Exact match | 34 contacts → |
“Pi Datametrics is the enterprise SEO and search intelligence platform built for the AI era of search.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Mangoolsmangools.com HQ: Bratislava, SlovakiaReported employees: 11-50 | Bratislava, Slovakia | 11-50 | Exact match | 34 contacts → |
“Mangools is an All-in-One SEO toolset suitable for business owners, marketers, bloggers & agencies, covering everything from Keyword research - SERP analysis - Rank tracking -…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Eteamsyseteamsys.com HQ: Liège, BelgiumReported employees: 11-50 | Liège, Belgium | 11-50 | Exact match | 33 contacts → |
“eTeamsys is a search engine optimization company located in Luxembourg and Belgium that will bring you better rankings in search engine result pages, increase your traffic…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Seomonitorseomonitor.com HQ: Sector 2, RomaniaReported employees: 11-50 | Sector 2, Romania | 11-50 | Exact match | 32 contacts → |
“SEOmonitor is the platform that empowers SEO agencies to plan and track keyword performance with high accuracy, connect organic keywords with conversions and sessions, forecast…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Kleeckskleecks.com HQ: Milan, ItalyReported employees: 11-50 | Milan, Italy | 11-50 | Exact match | 29 contacts → |
“Kleecks is an innovative SaaS platform that optimises performance marketing activities, improves website health and speed in real-time, and has a significant impact on businesses…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,397 company matches
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SEO audit tool vendors: dataset insights
October 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,392 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,397 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
SEO audit tool vendors by location
4 lists · largest firstEvery SEO audit tool vendors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for SEO audit tool vendors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many SEO audit tool vendors did RevenueBase find worldwide?
The saved snapshot records 1,397 matching company records, 40,467 tracked contacts and 1,075 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 SEO audit tool vendors worldwide. Snapshot: October 20, 2026. https://revenuebase.ai/companies/browse/seo-audit-tool-vendors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗