Alternatives and competitors

Sites like Sectigo

The 20 closest certificate authority / PKI alternatives to Sectigo, ranked by what they actually offer, and the 17 technologies behind it.

Looking for an alternative to Sectigo? The closest matches are SSL.com, GlobalSign and DigiCert. 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
19 ms

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

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

HaricaIdenTrustAuth0Comodo GroupCriteoThawteGeoTrustLet's EncryptGlobalSignSSL.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
    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.

  3. 03
    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.

  4. 04
    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.

  5. 05
    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.

  6. 06
    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

  7. 07
    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!

  8. 08
    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.

  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
    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

  11. 11
    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.

  12. 12
    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.

  13. 13
    CISA cisa.gov Top 10K English

    Home Page | CISA

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

  14. 14
    Aruba aruba.it Top 10K English

    Home | Aruba.it

    Italian registrar and Web hosting company

  15. 15
    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.

  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
    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.

  18. 18
    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.

  19. 19
    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.

  20. 20
    Trend Micro trendmicro.com Top 1K English

    Global Enterprise AI Cybersecurity Platform | Trend Micro

    Enterprise AI cybersecurity platform with layered protection, cyber risk exposure management and SecOps—62 global offices, the United States HQ office is in Texas.

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.

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 include:spf.protection.outlook.com include:_spf.salesforce.com…
  • Proofpoint MX mxa-0097fb02.gslb.pphosted.com
SaaS tools (verified in DNS)
  • Adobe TXT adobe-idp-site-verification=36ae2c07616f4614b085c02de240a0c1d1df99141…
  • Apple Business TXT apple-domain-verification=jPoZqjyTIaVkIIan
  • Atlassian TXT atlassian-domain-verification=GbC9hVJfBtEyUVu3TmaYJ9XmHYHAmuNtJr3iKwJ…
  • Bing Webmaster Tools meta msvalidate.01: D3B1CA6625E25F92D76BD2B0D930CA29
  • Google Search Console meta google-site-verification: S5GExibe8uhV1vMRjh9-F6qo7OnwZ3uRoacwlMiRiFQ
  • Salesforce TXT v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com…
  • Zoom TXT ZOOM_verify_8jnNgilLhIdil4oHyTsyfC

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.

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