Alternatives and competitors

Sites like certum.pl

The 20 closest certificate authority alternatives to certum.pl, ranked by what they actually offer, and the 9 technologies behind it.

Looking for an alternative to certum.pl? The closest matches are SSL.com, cyber_Folks and Sectigo. We match sites by what they actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Vote on each alternative and leave a short note to help the next person choose.

Neighbours
k = 20
Sites searched
4,032
Vector
384-d
Query
16 ms

01 · Entity

About certum.pl

certum.pl

Podpis Elektroniczny, Certyfikaty SSL, Certyfikaty S/MIME

Podpis elektroniczny do: podpisywania umów, PDF, JPK, ZUS. Certyfikaty SSL, szyfrowane poczty email, certyfikaty S/MIME, Rozwiązania z zastosowaniem e-podpisu.

Top 10K · #4,540 Polish 9 technologies Crawled Nov 6, 2026
Visit certum.pl

Summary by Claude

Certum, a Polish certificate authority owned by Asseco Data Systems, sells qualified electronic signatures, e-seals, timestamping, SSL/TLS and S/MIME certificates, plus smart cards and readers for signing documents.

Who it’s for
Polish businesses, institutions and individuals
Business model
Certificate and product sales

02 · Embedding space

Competitor map

Each alternative by how close its vector is to certum.pl’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.

similarity × popularity

home.plLet's EncryptIdenTrustDigiCertHaricaGlobalSignnazwa.plSectigocyber_FolksSSL.com

03 · Nearest neighbours

Alternatives to certum.pl

Thumbs up if it’s a real alternative to certum.pl, thumbs down if it isn’t.

Only in Polish
  1. 01
    SSL.com ssl.com Top 10K English

    SSL Certificate & Digital Certificate Authority - SSL.com

    SSL.com provides SSL/TLS & digital certificates to secure and encrypt data with our 4096-bit SSL/TLS Certificates, trusted by all popular browsers.

  2. 02
    cyber_Folks cyberfolks.pl Top 10K Polish

    cyber_Folks - hosting | domeny | e-marketing | certyfikaty ssl

    Wydajny i szybki serwer, dobra domena znaleziona w 10 sek. Błyskawiczne wsparcie z każdej strony. Wejdź po domeny | hosting | e-marketing.

  3. 03
    Sectigo sectigo.com Top 10K English

    Certificate Management Solutions & SSL Certificates | Sectigo® Official

    Sectigo is a leading provider of SSL certificates & automated certificate management solutions. A Certificate Authority trusted by global brands for 20+ years.

  4. 04
    nazwa.pl Top 10K Polish

    nazwa.pl | Domeny za 0 zł, Nowoczesne usługi w chmurze, Hosting dla firm, Poczta biznesowa 10 TB, Email Marketing, SSL, Monitoring WWW

    Domeny za 0 zł, Hosting dla firm, Poczta biznesowa 10 TB, Email Marketing, Certyfikaty SSL ECDSA. Z naszych usług skorzystało już ponad 1 000 000 Klientów. Zaufaj doświadczeniu.

  5. 05
    GlobalSign globalsign.com Top 1K English

    Digital Certificates - PKI - SSL/TLS 🌎 GlobalSign GMO

    We're experts in automated, Scalable, Integrated Digital Certificates Solutions, SSLs/TLSs, managed PKI, IoT, authentication & email security. Learn more about our identity management services.

  6. 06
    Harica harica.gr Top 10K English

    HARICA - Hellenic Academic and Research Institutions Certification Authority

    eSignatures Secure and Legal Digital Signing Made Simple Use your eSignature to sign documents like PDFs and ensure their content is secure and authentic. Learn More Products focused on your needs HARICA offers you trusted digital certificates for secure Websites, eMail protection, Code Signing, and legally binding eSignatures and eSeals. Recognized

  7. 07
    DigiCert digicert.com Top 100

    commercial SSL certificate provider

  8. 08
    IdenTrust identrust.com Top 10K English

    IdenTrust – Part of HID Global

    IdenTrust offers the most trusted & secure digital certificates used for digital signing, secure access & email encryption across a variety of industries.

  9. 09
    Let's Encrypt letsencrypt.org Top 10K English

    Let's Encrypt

    Let's Encrypt is a free, automated, and open Certificate Authority brought to you by the nonprofit Internet Security Research Group (ISRG). Read all about our work in our Annual Report.

  10. 10
    home.pl Top 10K Polish

    home.pl: Nr 1 w Polsce. Domeny, Hosting, Serwery WWW, Strony, Sklepy

    Od 25 lat budujemy polski internet. home.pl jest największym w Polsce dostawcą usług internetowych. Dołącz do grona naszych zadowolonych klientów.

  11. 11
    www.gov.pl Top 10K Polish

    Portal Gov.pl

    government Ministry

  12. 12
    GeoTrust geotrust.com Top 10K English

    GeoTrust | SSL Digital Certificate Authority | Encryption & Authentication

    SSL certificates by DigiCert secure unlimited servers with the strongest encryption and highest authentication available.

  13. 13
    OLX olx.pl Top 10K

    ERROR: The request could not be satisfied

    online marketplace

  14. 14
    Aruba aruba.it Top 10K English

    Home | Aruba.it

    Italian registrar and Web hosting company

  15. 15
    Docusign docusign.com Top 10K English

    Docusign | #1 in Electronic Signature and Intelligent Agreement Management

    Create, commit to, and manage your agreements all in one platform with Docusign IAM. Electronically sign for free.

  16. 16
    Empik empik.com Top 10K English

    Polish retail company

  17. 17
    Media Expert mediaexpert.pl Top 10K Polish

    Media Expert

    Media Expert

  18. 18
    Thawte thawte.com Top 10K English

    Smart Global SSL Security | Thawte

    At Thawte, Digital Trust is at the center of confidence—confidence in visiting your site, entering information, and making a purchase.

  19. 19
    Libero libero.it Top 10K Italian

    Libero: Mail, Ricerca e News con aggiornamento quotidiano

    Entra su Libero.it: Mail e Email PEC, Login, le Ultime Notizie con aggiornamento quotidiano, Video, Motore di Ricerca e tanto altro

  20. 20
    kontur.ru Top 10K Russian

    Контур | Доступ запрещен

Ranked by score: the cosine similarity of each site’s vector to certum.pl’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones certum.pl uses too. Votes and comments come from visitors and don’t change the ranking.

04 · Fingerprints

Technology

What certum.pl is built with, and what its closest competitors use, from its homepage’s code and its DNS records.

Built with

CMS
CSS & UI
Fonts
Tag managers
Security
  • reCAPTCHA page source: google.com/recaptcha/api.js
Web servers
Languages & backends
  • PHP implied by WordPress (page source: /wp-content/)
Email hosting
DNS hosting

Stack changes

No changes yet. Each new crawl is compared with the last one, and what certum.pl adds or drops shows up here.

SimilarSiteSearch

Competitors by meaning, stacks from the source. Data from public homepages and DNS.

About our crawler