Google Sign-in
Adobe IDP
Adobe Identity Management
Linkedin Sign-in
Apple Sign-in
Super Socializer
WP-Glogin
Google DKIM
Azure SAML
Telesec
EZproxy
Sales outreach
All 40,504 of these sites already run Clerk, with the software development segment leading at 838 sites. Pitch the products and services that fit that exact stack.
Websites using Clerk
Security & Compliance Authentication Software Visit website
Clerk is a JavaScript SDK for user management. It provides tools for user sign-up, sign-in, and profile management within web applications.
Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month
- Live websites detected
- 40,504
- Countries with usage
- 130
- Top market: United States
- 🇺🇸 79.7%
Clerk global heatmap
darker = more sitesClerk usage by country
by sites detected-
01 🇺🇸 United States 30,344 79.7%
-
02 🇫🇷 France 774 2%
-
03 🇩🇪 Germany 745 2%
-
04 🇮🇳 India 607 1.6%
-
05 🇧🇷 Brazil 580 1.5%
-
06 🇬🇧 United Kingdom 471 1.2%
-
07 🇯🇵 Japan 375 1%
-
08 🇨🇦 Canada 335 0.9%
-
09 🇦🇺 Australia 331 0.9%
-
10 🇨🇳 China 207 0.5%
And 120 more countries in the full dataset.
Need every Clerk site in one market? Unlock Clerk once and rebuild filtered reports as often as you like for a month: by country, TLD, or stack combination, each with up to 20 data points per site.
Start from $39/moClerk usage by country group
by sites detected-
01 English-Speaking Countries 32 countries 32,543 85.5%
-
02 North America 3 countries 30,681 80.6%
-
03 Europe 47 countries 3,729 9.8%
-
04 Western Europe 22 countries 3,179 8.4%
-
05 European Union (EU) 27 countries 2,927 7.7%
-
06 Asia-Pacific (APAC) 25 countries 2,183 5.7%
-
07 BRICS 10 countries 1,593 4.2%
-
08 French-Speaking Countries 10 countries 916 2.4%
-
09 Latin America (LATAM) 20 countries 903 2.4%
-
10 DACH 4 countries 866 2.3%
Country groups overlap: a country can belong to several at once (Germany counts toward Europe, Western Europe, the EU and DACH). Percentages are each group's share of the 38,059 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.
Top websites using Clerk
by popularity| # | Website | Popularity | StackSpend | Country | TLD |
|---|---|---|---|---|---|
| 01 | digg.com | 2,356 | $4.4K+ | 🇺🇸 United States | com |
| 02 | suno.com | 2,559 | $206K+ | 🇺🇸 United States | com |
| 03 |
 openrouter.ai
|
10,720 | $10.22K+ | 🇺🇸 United States | ai |
| 04 |
 suno.ai
|
12,046 | $2.53K+ | 🇺🇸 United States | ai |
| 05 |
 patient.info
|
18,952 | $62.35K+ | 🇬🇧 United Kingdom | info |
| 06 | vibe.co | 19,498 | $34K+ | 🇺🇸 United States | co |
| 07 | pff.com | 23,683 | $293K+ | 🇺🇸 United States | com |
| 08 | context7.com | 25,064 | $83.62K+ | 🇺🇸 United States | com |
| 09 | engelvoelkers.com | 26,235 | $325K+ | 🇺🇸 United States | com |
| 10 | clerk.com | 27,154 | $973+ | 🇺🇸 United States | com |
| 11 |
 kenobi.ai
|
27,183 | $29.15K+ | 🇺🇸 United States | ai |
| 12 | fashionphile.com | 29,345 | $380K+ | 🇺🇸 United States | com |
| 13 | zonos.com | 30,394 | $11.71K+ | 🇺🇸 United States | com |
| 14 |
 row.pro
|
31,446 | $912+ | 🇺🇸 United States | pro |
| 15 | sfstandard.com | 33,860 | $106K+ | 🇺🇸 United States | com |
| 16 | thejc.com | 34,270 | $875+ | 🇬🇧 United Kingdom | com |
| 17 |
 gptgirlfriend.online
|
35,253 | $71.69K+ | 🇺🇸 United States | online |
| 18 | multimango.com | 35,906 | $847+ | 🇺🇸 United States | com |
| 19 | wrangle.ai | 46,842 | $61.43K+ | 🇺🇸 United States | ai |
| 20 | runtype.com | 47,335 | $1.33K+ | 🇺🇸 United States | com |
This is 20 of 40,504 websites. Download up to 1M sites per list as CSV, enriched with firmographics.
Download the full listCompanies using Clerk
sample, enriched| Company | Website | Employees | Industry | Country | Founded |
|---|---|---|---|---|---|
| Kawkb |
 kawkb.com
|
501-1000 | Real Estate | 🇺🇳 - | - |
| Community College Career Connect |
 communitycollegecareerconnect.com
|
10001+ | Higher Education | 🇺🇸 United States | - |
| Tom Pastel Confecções Ltda. |
 tompastel.com.br
|
51-200 | Textile Manufacturing | 🇧🇷 Brazil | 1996 |
| BBE Insider |
 bbe-insider.com
|
- | Education | 🇺🇳 - | - |
| Parity | A Group 1001 Company |
 paritynow.co
|
11-50 | sports | 🇺🇸 United States | 2020 |
| Naviya.school |
 naviya.school
|
1-10 | E-Learning Providers | 🇺🇳 - | - |
| AI VIET NAM |
 aivietnam.edu.vn
|
201-500 | E-Learning Providers | 🇻🇳 Vietnam | 2019 |
| APAC Marketers |
 apacmarketers.com
|
1001-5000 | Think Tanks | 🇸🇬 Singapore | 2018 |
| Dash0 |
 dash0.com
|
51-200 | Software Development | 🇺🇸 United States | 2023 |
| Superior Liquor |
 superiorliquor.com
|
1-10 | Retail | 🇺🇸 United States | - |
| Crewd. |
 crewd.ai
|
1001-5000 | Human Resources Services | 🇨🇦 Canada | - |
| Enoteca LIC |
 enotecalic.com
|
- | - | 🇺🇸 United States | - |
| Zapp |
 justzapp.com
|
201-500 | Retail | 🇬🇧 United Kingdom | 2020 |
| EIIP Education |
 eiip.org.cn
|
501-1000 | E-learning | 🇨🇳 China | 2016 |
| Image Pipeline |
 imagepipeline.io
|
11-50 | Technology, Information and Media | 🇺🇸 United States | 2023 |
| Matcha.fm |
 matcha.fm
|
1-10 | Software Development | 🇺🇳 - | - |
| NATIVE SPACES |
 native-spaces.com
|
11-50 | Events Services | 🇫🇷 France | 2018 |
| Renaissance Place At Grand |
 renaissanceplaceatgrandapts.com
|
- | - | 🇺🇸 United States | - |
| R2vfx Studios |
 r2vfxstudios.com
|
201-500 | motion pictures and film | 🇮🇳 India | 2017 |
| Bellwether Coffee |
 bellwethercoffee.com
|
51-200 | Climate Technology Product Manufacturing | 🇺🇸 United States | 2013 |
| Bally Sports |
 ballysports.com
|
501-1000 | broadcast media | 🇺🇳 - | - |
| Matters.AI |
 matters.ai
|
51-200 | Software Development | 🇺🇸 United States | 2025 |
| Peekerton |
 peekerton.com
|
1-10 | Business Intelligence Platforms | 🇸🇪 Sweden | 2020 |
| Aquatiq Food Factory |
 aquatiq.no
|
- | Machinery Manufacturing | 🇳🇴 Norway | - |
| Isaca Orange County Chapter |
 isacaoc.com
|
501-1000 | E-learning | 🇺🇸 United States | - |
| Horizon Trade |
 horizon.trade
|
11-50 | Technology, Information and Internet | 🇮🇱 Israel | 2025 |
| Agenitry |
 agenitry.com
|
201-500 | Software Development | 🇺🇸 United States | 2020 |
| AS International Group |
 asinter-group.com
|
501-1000 | IT Services and IT Consulting | 🇫🇷 France | 1989 |
| Tuskens |
 tuskens.com
|
1-10 | Technology, Information and Internet | 🇹🇳 Tunisia | 2020 |
| Qibla Travels |
 alqibla.co.uk
|
- | Travel Arrangements | 🇬🇧 United Kingdom | - |
| Lottie |
 lottie.org
|
51-200 | internet | 🇬🇧 United Kingdom | 2021 |
| Top Of The Class Professional Tuition |
 topoftheclass.com.au
|
201-500 | Education Management | 🇦🇺 Australia | 2013 |
| ACASTING |
 acasting.se
|
11-50 | IT System Custom Software Development | 🇸🇪 Sweden | 2023 |
| Coding Junction |
 coding-junction.in
|
501-1000 | Education | 🇮🇳 India | 2022 |
| Cecilia Gonzalez Propiedades |
 ceciliapropiedades.com
|
- | - | 🇦🇷 Argentina | - |
| Law Australasia |
 lawaustralasia.com.au
|
201-500 | Law Practice | 🇦🇺 Australia | 1991 |
| Instant Singer |
 instantsinger.com
|
1-10 | Technology, Information and Internet | 🇺🇳 - | - |
| Vitruvian Partners |
 vitruvianpartners.com
|
51-200 | Investment Management | 🇬🇧 United Kingdom | 2006 |
| Cart Code |
 cartcode.co.uk
|
11-50 | Advertising Services | 🇪🇬 Egypt | 2018 |
| Engel & Völkers Spain |
 engelvoelkers.es
|
501-1000 | Real Estate | 🇪🇸 Spain | 1977 |
A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.
Clerk usage by industry
by TLD segment-
01 Software Development 838 28.3%
-
02 Technology, Information and Internet 792 26.8%
-
03 IT Services and IT Consulting 166 5.6%
-
04 Education 143 4.8%
-
05 Financial Services 140 4.7%
-
06 Marketing Services 103 3.5%
-
07 Real Estate 96 3.2%
-
08 Technology, Information and Media 95 3.2%
-
09 Business Consulting and Services 85 2.9%
-
10 Information Services 74 2.5%
Clerk industry distribution chart
share by domain segmentClerk users by company revenue
1,403 companiesTechnologies related to Clerk
Authentication SoftwarePut it to work
What teams do with the Clerk list
Competitor analysis
Selling Google Sign-in, Adobe IDP, or another Authentication Software product? These 40.5K Clerk users are your displacement audience, filterable by country and company size.
Market research
Top markets for Clerk: United States (79.7%), France (2%), Germany (2%). Size the Authentication Software market by geography before you build or invest.
Free for non-profits, academia & data journalists - non-commercial and public-interest use, on request.
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