Alternatives and competitors

Sites like Sectigo

The 20 closest Certificate authority / PKI alternatives to Sectigo, ranked by what they actually offer, and the 14 technologies behind it.

Looking for an alternative to Sectigo? The closest matches are SSL.com, Comodo Group and GlobalSign. 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
6 ms

01 · Entity

About Sectigo

Sectigo comodoca.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 · #3,035 English 14 technologies Crawled Nov 6, 2026
Visit Sectigo

Summary by Claude

Sectigo (formerly Comodo CA) is a certificate authority that sells SSL/TLS certificates and a cloud-based certificate lifecycle management platform for automating issuance, renewal and discovery of digital certificates, including post-quantum readiness tools.

Who it’s for
Enterprises, IT security teams, website owners
Business model
Certificate sales and software subscriptions

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.

similarity × popularity

CriteoIdenTrustVerkadaGeoTrustHaricaAuth0Let's EncryptGlobalSignComodo GroupSSL.com

03 · Nearest neighbours

Alternatives to Sectigo

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

Only in English
  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
    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!

  3. 03
    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.

  4. 04
    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.

  5. 05
    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.

  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
    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.

  8. 08
    Verkada verkada.com Top 10K English

    Security Systems for the Modern Enterprise | Verkada

    Modern, cloud-managed security cameras, access control, and smart building solutions in a single, fully integrated security system. Free 30-day trial. Easy setup.

  9. 09
    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.

  10. 10
    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

  11. 11
    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.

  12. 12
    CISA cisa.gov Top 10K English

    Home Page | CISA

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

  13. 13
    Palo Alto Networks paloaltonetworks.com Top 1K English

    Leader in Cybersecurity Protection & Software for the Modern Enterprises - Palo Alto Networks

    Implement Zero Trust, Secure your Network, Cloud workloads, Hybrid Workforce, Leverage Threat Intelligence & Security Consulting. Cybersecurity Services & Education for CISO’s, Head of Infrastructure, Network Security Engineers, Cloud Architects & SOC Managers

  14. 14
    Aruba aruba.it Top 10K English

    Home | Aruba.it

    Italian registrar and Web hosting company

  15. 15
    ManageEngine manageengine.com Top 10K English

    ManageEngine: ITOps, cybersecurity & service management software

    ManageEngine powers businesses like yours to take control of your IT with enterprise-grade solutions built from the ground up.

  16. 16
    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.

  17. 17
    Datto datto.com Top 10K English

    Datto | IT Solutions Built for You

    IT professionals rely on Datto for mission-critical business continuity and disaster recovery, networking, business management, and file backup and sync solutions

  18. 18
    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.

  19. 19

    PAe | Start

  20. 20
    Sedo sedo.com Top 1K English

    Buy. Park. Sell. Domains | Sedo - World's leading Domain marketplace

    Buy, sell, or park domains on the world's leading domain marketplace! Simple ✓ Secure ✓ Free of charge ✓ Learn more now!

Ranked by score: the cosine similarity of each site’s vector to comodoca.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.

Built with

JavaScript frameworks
  • Nuxt page source: /_nuxt/
  • Vue.js page source: data-v-e8266fd4
CSS & UI
Fonts
Analytics
Marketing automation
  • HubSpot page source: js.hs-scripts.com
CDN
Email hosting
  • Microsoft 365 TXT v=spf1 mx include:spf.protection.outlook.com include:spf.mandrillapp.…
  • Proofpoint MX mxa-0097fb02.gslb.pphosted.com
Email delivery
SaaS tools (verified in DNS)
  • Bing Webmaster Tools meta msvalidate.01: D3B1CA6625E25F92D76BD2B0D930CA29
  • Google Search Console meta google-site-verification: S5GExibe8uhV1vMRjh9-F6qo7OnwZ3uRoacwlMiRiFQ
  • Salesforce TXT v=spf1 mx include:spf.protection.outlook.com include:spf.mandrillapp.…

Stack changes

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

SimilarSiteSearch

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

About our crawler