Let's Encrypt
Nginx
Apache HTTP Server
Sectigo
Starfield Tech
Google Trust Services
Amazon Trust Services
AWS Certificate Manager
Shopify Checkout API
ZeroSSL
ComodoCA SSL
Cloudflare SSL
Sales outreach
All 445,172 of these sites already run Certum, with the it services and it consulting segment leading at 1,495 sites. Pitch the products and services that fit that exact stack.
Websites using Certum
Security & Compliance EV SSL Certificates Visit website
Certum is a certification authority that provides SSL certificates, electronic signatures, code signing certificates, and S/MIME certificates.
Up to 1M sites per list · Segment by country & TLD to cover the full footprint · Unlimited report rebuilds for 1 month
- Live websites detected
- 445,172
- Countries with usage
- 177
- Top market: Poland
- 🇵🇱 48.8%
Certum global heatmap
darker = more sitesCertum usage by country
by sites detected-
01 🇵🇱 Poland 213,499 48.8%
-
02 🇨🇳 China 47,514 10.9%
-
03 🇺🇸 United States 33,345 7.6%
-
04 🇮🇷 Iran 32,495 7.4%
-
05 🇬🇧 United Kingdom 30,086 6.9%
-
06 🇭🇰 Hong Kong 22,527 5.2%
-
07 🇩🇪 Germany 19,581 4.5%
-
08 🇨🇭 Switzerland 4,402 1%
-
09 🇹🇼 Taiwan 4,293 1%
-
10 🇺🇦 Ukraine 3,276 0.7%
And 167 more countries in the full dataset.
Need every Certum site in one market? Unlock Certum 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/moCertum usage by country group
by sites detected-
01 Europe 49 countries 283,132 64.8%
-
02 European Union (EU) 27 countries 244,078 55.8%
-
03 Eastern Europe 23 countries 222,223 50.8%
-
04 BRICS 10 countries 84,915 19.4%
-
05 Greater China 4 countries 74,355 17%
-
06 English-Speaking Countries 40 countries 70,161 16.1%
-
07 Western Europe 22 countries 60,890 13.9%
-
08 North America 2 countries 34,077 7.8%
-
09 MENA 21 countries 32,938 7.5%
-
10 DACH 4 countries 25,354 5.8%
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 437,138 sites with a known country, so they describe overlapping views of the same data and do not add up to 100%.
Top websites using Certum
by popularity| # | Website | Popularity | StackSpend | Country | TLD |
|---|---|---|---|---|---|
| 01 |
 aparat.com
|
1,145 | $4.69K+ | 🇮🇷 Iran | com |
| 02 |
 divar.ir
|
1,251 | $4.49K+ | 🇮🇷 Iran | ir |
| 03 |
 digikala.com
|
1,325 | $4.8K+ | 🇮🇷 Iran | com |
| 04 |
 filmweb.pl
|
1,368 | $236K+ | 🇵🇱 Poland | pl |
| 05 |
 varzesh3.com
|
1,387 | $4.26K+ | 🇮🇷 Iran | com |
| 06 |
 avira.com
|
1,516 | $2.26M+ | 🇩🇪 Germany | com |
| 07 |
 ninisite.com
|
1,575 | $99.84K+ | 🇮🇷 Iran | com |
| 08 |
 milli.gold
|
1,913 | $3.64K+ | 🇮🇷 Iran | gold |
| 09 |
 gama.ir
|
1,954 | $795K+ | 🇮🇷 Iran | ir |
| 10 |
 ikcosales.ir
|
1,997 | $3.56K+ | 🇮🇷 Iran | ir |
| 11 |
 home.pl
|
2,813 | $8.66K+ | 🇵🇱 Poland | pl |
| 12 |
 dns.com
|
3,155 | $1.91M+ | 🇨🇳 China | com |
| 13 |
 cbr.ru
|
3,834 | $2.56K+ | 🇷🇺 Russia | ru |
| 14 | hlis.org.cn | 3,983 | $2.52K+ | 🇨🇳 China | cn |
| 15 |
 usp.br
|
4,049 | $7K+ | 🇧🇷 Brazil | br |
| 16 |
 nic.ir
|
4,095 | $2.49K+ | 🇮🇷 Iran | ir |
| 17 |
 irna.ir
|
5,911 | $2.08K+ | 🇺🇸 United States | ir |
| 18 |
 empik.com
|
5,950 | $2.06K+ | 🇵🇱 Poland | com |
| 19 |
 mehrnews.com
|
6,251 | $2.01K+ | 🇮🇷 Iran | com |
| 20 |
 certum.pl
|
6,293 | $2.01K+ | 🇵🇱 Poland | pl |
This is 20 of 445,172 websites. Download up to 1M sites per list as CSV, enriched with firmographics.
Companies using Certum
sample, enriched| Company | Website | Employees | Industry | Country | Founded |
|---|---|---|---|---|---|
| Bazaryaban Iranian Zamin |
 bizmlm.ir
|
10001+ | Advertising Services | 🇮🇷 Iran | - |
| Shepherd |
 shepherd.earth
|
501-1000 | Apparel & Fashion | 🇺🇳 - | 2007 |
| WebePartners.pl - Afiliacja Dla E-commerce |
 webepartners.pl
|
11-50 | Advertising Services | 🇵🇱 Poland | 2009 |
| Kansyn |
 kansyn.pl
|
- | Construction | 🇺🇳 - | - |
| Shenzhen Leader-Union Technology Co., Ltd. |
 indenatech.com
|
201-500 | Appliances, Electrical, and Electronics Manufacturing | 🇨🇳 China | - |
| Gonabad University Of Medical Sciences |
 gmu.ac.ir
|
5001-10000 | Higher Education | 🇺🇳 - | - |
| Sepehr Arman Industrial Group |
 sepehrarman.com
|
1001-5000 | Construction | 🇮🇷 Iran | - |
| La-sad |
 yabu.pl
|
1-10 | Restaurants | 🇺🇳 - | - |
| Nordes |
 nordes.com.pl
|
51-200 | electrical/electronic manufacturing | 🇵🇱 Poland | 2011 |
| COPUZ |
 copuz.com
|
11-50 | Advertising Services | 🇵🇱 Poland | 2010 |
| SzWiK Sp. Z O.o. |
 szwik.pl
|
- | - | 🇵🇱 Poland | - |
| Vrg S.a. |
 vrg.pl
|
1001-5000 | Apparel & Fashion | 🇵🇱 Poland | - |
| Vestland Marine | vestlandmarine.eu | 51-200 | Maritime Transportation | 🇳🇴 Norway | - |
| Ce Lighting Ltd. |
 landlite.com
|
501-1000 | electrical/electronic manufacturing | 🇨🇳 China | 1996 |
| 江苏省北科生物科技有限公司 |
 beike.cc
|
1-10 | Research Services | 🇨🇳 China | - |
| Social Security Organization, IRAN |
 tamin.ir
|
10001+ | Insurance | 🇮🇷 Iran | 1961 |
| METEOROLOGIE NATIONALE DU CAMEROUN (DMN) |
 meteocameroon.gov.cm
|
201-500 | Climate Data and Analytics | 🇺🇳 - | - |
| Fakultní Nemocnice Hradec Králové |
 fnhk.cz
|
5001-10000 | medical practice | 🇺🇳 Czechia | - |
| 四川禾本生物工程有限公司 |
 habio.net
|
1-10 | Medical Equipment Manufacturing | 🇨🇳 China | - |
| Gotyk - Konserwacja Zabytków | gotyk.eu | - | - | 🇺🇳 - | - |
| Climate Governance Initiative Vietnam |
 phattrienbenvung.net
|
10001+ | Non-profit Organization Management | 🇺🇳 - | - |
| CHEMET S.A. |
 chemet.eu
|
1001-5000 | Transportation/Trucking/Railroad | 🇵🇱 Poland | 1945 |
| Energy Line Strong Sp. Z O.o. |
 energylinestrong.pl
|
51-200 | Building Materials | 🇺🇳 - | - |
| Kyiv Crane Machinery Plant LLC |
 kzpto.com.ua
|
201-500 | Industrial Machinery Manufacturing | 🇺🇦 Ukraine | 2007 |
| Apollo Film |
 apollofilm.pl
|
11-50 | Entertainment Providers | 🇺🇳 - | - |
| Artmag.ir |
 artmag.ir
|
5001-10000 | Retail Art Supplies | 🇮🇷 Iran | 2015 |
| автодистрибьюшн карго партс |
 cargo-parts.ua
|
501-1000 | Automotive | 🇺🇦 Ukraine | 2010 |
| Shanghai VA Instrument Co., Ltd. | vainstruments.com | 51-200 | Appliances, Electrical, and Electronics Manufacturing | 🇨🇳 China | 2002 |
| ORiSTO Sp. Z O.o. |
 oristo.pl
|
201-500 | Furniture and Home Furnishings Manufacturing | 🇵🇱 Poland | 1933 |
| Tmcopars |
 tmcopars.ir
|
501-1000 | Transportation, Logistics, Supply Chain and Storage | 🇺🇳 - | - |
| Poczta Polska S. A. |
 poczta-polska.pl
|
10001+ | Transportation, Logistics, Supply Chain and Storage | 🇵🇱 Poland | - |
| Ecowat |
 ecowat.com
|
1-10 | Appliances, Electrical, and Electronics Manufacturing | 🇮🇷 Iran | 2012 |
| Sebastian Wójcik Stolarka Drewniana | oknawojcik.pl | - | - | 🇵🇱 Poland | - |
| IDEA Energy Civil Development |
 ideaenergy.ir
|
11-50 | International Trade and Development | 🇺🇳 - | - |
| Fraenkische |
 fraenkische.com
|
5001-10000 | plastics | 🇩🇪 Germany | 1906 |
| ECHU SPEICAL WIRE AND CABLE (KUNSHAN) CO.,… |
 echuwirencable.com
|
1001-5000 | Manufacturing | 🇨🇳 China | 2010 |
| Lewiatan Partner |
 sp-partner.pl
|
501-1000 | Retail Groceries | 🇵🇱 Poland | 2005 |
| Iran University Of Medical Sciences (iums) |
 iums.ac.ir
|
10001+ | hospital & health care | 🇺🇳 - | 1974 |
| Rahnemounkhak |
 rah.co.ir
|
51-200 | Civil Engineering | 🇮🇷 Iran | 1985 |
| Business Bridge Group |
 bbgroup.com.pl
|
11-50 | Staffing and Recruiting | 🇵🇱 Poland | 2008 |
A sample of enriched company profiles. Full exports include company, social, and spend signals on every domain.
Certum usage by industry
by TLD segment-
01 IT Services and IT Consulting 1,495 10.9%
-
02 Construction 1,261 9.2%
-
03 Business Consulting and Services 1,167 8.5%
-
04 Retail 959 7%
-
05 Software Development 872 6.4%
-
06 Advertising Services 848 6.2%
-
07 Machinery Manufacturing 689 5%
-
08 Manufacturing 682 5%
-
09 Appliances, Electrical, and Electronics Manufacturing 665 4.9%
-
10 Technology, Information and Internet 589 4.3%
Certum industry distribution chart
share by domain segmentCertum users by company revenue
13,000 companiesTechnologies related to Certum
EV SSL CertificatesPut it to work
What teams do with the Certum list
Competitor analysis
Selling Let's Encrypt, Nginx, or another EV SSL Certificates product? These 445K Certum users are your displacement audience, filterable by country and company size.
Market research
Top markets for Certum: Poland (48.8%), China (10.9%), United States (7.6%). Size the EV SSL Certificates market by geography before you build or invest.
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