Sites like Sectigo

01 · Entity

About Sectigo

Sectigo sectigo.com

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.

Top 10K · #1,320 English 17 technologies Crawled Nov 6, 2026

Visit Sectigo

Summary by Claude

Sectigo is a certificate authority that sells SSL/TLS and other digital certificates. It also offers a cloud-based platform for automating certificate lifecycle management across enterprise environments.

Who it’s for

Enterprises, IT security teams, website owners

Business model

Certificate sales and software subscriptions

• certificate authority / PKI
• SSL/TLS certificates
• certificate lifecycle management
• certificate renewal automation
• Sectigo Certificate Manager
• post-quantum cryptography readiness
• cryptographic asset discovery
• code signing certificates

02 · Embedding space

Competitor map

Each alternative by how close its vector is to Sectigo’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.

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.

   • Apple Business
   • Atlassian
   • Google Analytics
   • Google Fonts
   • Google Search Console
   • HubSpot

   0 say SSL.com is a good alternative to Sectigo 0 say SSL.com isn’t a real alternative to Sectigo

   Comment
   Very close cos 0.913
2. 02
   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.

   • Atlassian
   • Cloudflare
   • Google Search Console
   • Microsoft 365
   • Salesforce
   • Bootstrap

   0 say GlobalSign is a good alternative to Sectigo 0 say GlobalSign isn’t a real alternative to Sectigo

   Comment
   Very close cos 0.909
3. 03
   DigiCert digicert.com Top 100

   commercial SSL certificate provider

   • Adobe
   • Apple Business
   • Atlassian
   • Google Search Console
   • Microsoft 365
   • DocuSign

   0 say DigiCert is a good alternative to Sectigo 0 say DigiCert isn’t a real alternative to Sectigo

   Comment
   Very close cos 0.905
4. 04
   certum.pl Top 10K Polish

   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.

   • Google Fonts
   • Microsoft 365
   • Tailwind CSS
   • Akamai Edge DNS
   • Apache HTTP Server
   • Google Tag Manager

   0 say certum.pl is a good alternative to Sectigo 0 say certum.pl isn’t a real alternative to Sectigo

   Comment
   Very close cos 0.900
5. 05
   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.

   • Cloudflare DNS
   • Font Awesome
   • Google Workspace
   • Netlify
   • Zendesk

   0 say Let's Encrypt is a good alternative to Sectigo 0 say Let's Encrypt isn’t a real alternative to Sectigo

   Comment
   Very close cos 0.896
6. 06
   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.

   • Google Fonts
   • Google Search Console
   • Microsoft 365
   • Bootstrap
   • cdnjs
   • Amazon CloudFront

   0 say GeoTrust is a good alternative to Sectigo 0 say GeoTrust isn’t a real alternative to Sectigo

   Comment
   Close cos 0.890
7. 07
   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.

   • Microsoft 365
   • Salesforce
   • Adobe Experience Manager
   • Adobe Experience Platform Tags
   • Fastly
   • Imperva

   0 say Thawte is a good alternative to Sectigo 0 say Thawte isn’t a real alternative to Sectigo

   Comment
   Close cos 0.883
8. 08
   Criteo criteo.com Top 1K English

   The Global Commerce Intelligence Platform

   Make every shopping moment smarter with ads powered by commerce AI fueled by the world’s largest set of commerce data

   • Adobe
   • Apple Business
   • Atlassian
   • Google Search Console
   • Microsoft 365
   • cdnjs

   0 say Criteo is a good alternative to Sectigo 0 say Criteo isn’t a real alternative to Sectigo

   Comment
   Close cos 0.880
9. 09
   Comodo Group comodo.com Top 10K English

   Advanced Website Protection for Unmatched Cyber Defense

   Safeguard your devices with Comodo's advanced endpoint protection and protect your websites from malware and cyber threats. Secure your site now!

   • Bing Webmaster Tools
   • Google Fonts
   • Google Search Console
   • HubSpot
   • Microsoft 365
   • Vue.js

   0 say Comodo Group is a good alternative to Sectigo 0 say Comodo Group isn’t a real alternative to Sectigo

   Comment
   Close cos 0.880
10. 10
    Auth0 auth0.com Top 1K English

    Secure Authentication & Ship Faster | Auth0

    Secure users, AI agents, and more with Auth0, a production-ready authentication and authorization platform built to help you ship faster and drive sign-ups.

    • Adobe
    • Apple Business
    • Atlassian
    • Cloudflare
    • Google Search Console
    • Microsoft 365

    0 say Auth0 is a good alternative to Sectigo 0 say Auth0 isn’t a real alternative to Sectigo

    Comment
    Close cos 0.878
11. 11
    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.

    • Adobe Fonts
    • Atlassian
    • Cloudflare
    • Microsoft 365
    • Bootstrap
    • Drupal

    0 say IdenTrust is a good alternative to Sectigo 0 say IdenTrust isn’t a real alternative to Sectigo

    Comment
    Close cos 0.878
12. 12
    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

    • Google Search Console
    • Amazon SES
    • bunny.net
    • Font Awesome
    • jQuery
    • PHP

    0 say Harica is a good alternative to Sectigo 0 say Harica isn’t a real alternative to Sectigo

    Comment
    Close cos 0.870
13. 13
    RapidSSL rapidssl.com Top 10K English

    Upgrade your TLS/SSL & Wildcard Certificates to GeoTrust | RapidSSL

    Buy, switch and resell TLS/SSL and Wildcard certificates from GeoTrust via trusted resellers spanning the globe. Upgrade to a GeoTrust TLS/SSL certificate and get greater warranties, tools, support and security, now powered by DigiCert.

    • Google Analytics
    • Microsoft 365
    • Salesforce
    • Adobe Experience Manager
    • Adobe Experience Platform Tags
    • Fastly

    0 say RapidSSL is a good alternative to Sectigo 0 say RapidSSL isn’t a real alternative to Sectigo

    Comment
    Close cos 0.871
14. 14
    Check Point checkpoint.com Top 1K English

    Check Point Software: Leader in Cyber Security Solutions

    Check Point Software Technologies Ltd. is a leading provider of cyber security solutions to corporate enterprises and governments globally.

    • Apple Business
    • Atlassian
    • Google Search Console
    • Microsoft 365
    • Bootstrap
    • Canva

    0 say Check Point is a good alternative to Sectigo 0 say Check Point isn’t a real alternative to Sectigo

    Comment
    Close cos 0.871
15. 15
    CISA cisa.gov Top 10K English

    Home Page | CISA

    Cybersecurity and Infrastructure Security Agency: America's Cyber Defense Agency

    • Adobe
    • Atlassian
    • Google Fonts
    • Google Search Console
    • Microsoft 365
    • Drupal

    0 say CISA is a good alternative to Sectigo 0 say CISA isn’t a real alternative to Sectigo

    Comment
    Close cos 0.871
16. 16
    Aruba aruba.it Top 10K English

    Home | Aruba.it

    Italian registrar and Web hosting company

    • Bing Webmaster Tools
    • Cloudflare
    • Google Fonts
    • Google Search Console
    • Google Tag Manager
    • jQuery

    0 say Aruba is a good alternative to Sectigo 0 say Aruba isn’t a real alternative to Sectigo

    Comment
    Close cos 0.872
17. 17
    CoinGecko coingecko.com Top 10K

    Challenge Verification | CoinGecko

    crypto market website

    • Cloudflare
    • Google Search Console
    • Cloudflare DNS
    • Google Workspace
    • SendGrid
    • Stripe

    0 say CoinGecko is a good alternative to Sectigo 0 say CoinGecko isn’t a real alternative to Sectigo

    Comment
    Close cos 0.870
18. 18
    Tanium tanium.com Top 10K English

    Autonomous IT, endpoint intelligence and control | Tanium

    Tanium is a unified endpoint management and security platform: agentic AI for real-time visibility, patching, and risk remediation across endpoints.

    • Adobe
    • Apple Business
    • Atlassian
    • Cloudflare
    • Google Search Console
    • Microsoft 365

    0 say Tanium is a good alternative to Sectigo 0 say Tanium isn’t a real alternative to Sectigo

    Comment
    Close cos 0.868
19. 19
    Okta okta.com Top 1K English

    Secure Identity for Employees, Customers, and AI | Okta

    The Okta and Auth0 Platforms enable secure access, authentication, and automation — putting identity at the heart of business security and growth.

    • Adobe
    • Apple Business
    • Atlassian
    • Cloudflare
    • Google Search Console
    • Proofpoint

    0 say Okta is a good alternative to Sectigo 0 say Okta isn’t a real alternative to Sectigo

    Comment
    Close cos 0.867
20. 20
    Celtra celtra.com Top 10K English

    Celtra | Home

    Celtra offers software solutions for marketers and publishers that want to leverage the power of automation and AI to drive ad performance and deliver the best results in the new era of digital advertising.

    • Apple Business
    • Atlassian
    • Cloudflare
    • Google Search Console
    • HubSpot
    • Microsoft 365

    0 say Celtra is a good alternative to Sectigo 0 say Celtra isn’t a real alternative to Sectigo

    Comment
    Close cos 0.866

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

04 · Fingerprints

Technology

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