GlobalSign
Digital certificate authority and identity provider
GlobalSign is a certificate authority and managed public key infrastructure provider that issues SSL/TLS certificates, digital signing certificates, and identity services used to secure websites, documents, IoT devices, and enterprise…
Definition
GlobalSign is a certificate authority and managed public key infrastructure provider that issues SSL/TLS certificates, digital signing certificates, and identity services used to secure websites, documents, IoT devices, and enterprise systems. Owned by Japanese conglomerate GMO Internet Group, it is one of the longest-operating commercial certificate authorities and is trusted by browsers and operating systems worldwide, with particular strength in enterprise managed PKI and IoT device identity.
Overview
GlobalSign addresses the same trust-establishment problem as any certificate authority: proving that a website, document signer, or device is who it claims to be so that browsers, operating systems, and business partners can extend cryptographic trust automatically. As one of the earlier commercial certificate authorities still operating, GlobalSign has maintained root certificates embedded in trust stores across browsers and operating systems for decades, giving certificates it issues immediate recognition without additional configuration on the relying party's side. Mechanically, GlobalSign follows the standard certificate authority validation and issuance model: a certificate signing request accompanies proof of domain control or organizational identity depending on the requested validation tier, GlobalSign's validation team verifies the claim against its internal processes and applicable industry baseline requirements, and a signed certificate chaining to a trusted GlobalSign root is issued. Beyond standard website TLS certificates across domain, organization, and extended validation tiers, GlobalSign has built out a managed PKI platform aimed at enterprises that need to issue and manage large volumes of certificates internally, for use cases like device authentication, email signing (S/MIME), and document signing, alongside a dedicated IoT identity platform for manufacturers needing to provision unique certificates to devices at scale during production. GlobalSign competes with DigiCert, Sectigo, and Entrust in the commercial CA market, and differentiates somewhat through its enterprise managed PKI offering and its longstanding focus on IoT device identity, an area where certificate provisioning must happen automatically at manufacturing scale rather than through a human requesting a certificate for a single website. In practice, enterprises use GlobalSign's managed PKI platform to run their own internal certificate issuance for employee devices, internal applications, and email signing without operating a full in-house CA, while manufacturers of connected devices use its IoT platform to provision each device with a unique cryptographic identity before it ships. Businesses and website operators also purchase standard TLS certificates directly for public-facing sites requiring organization or extended validation. The main trade-off, shared with other paid commercial CAs, is cost and validation turnaround relative to free automated authorities suited to simple domain-validated use cases. GlobalSign's differentiated value is strongest for organizations with more complex PKI needs, managing certificates across many internal systems or devices, rather than for a single website that only needs a basic domain-validated certificate. Prospective customers with only a single public website are usually better served by a simpler, lower-cost issuer, while organizations juggling internal PKI, device fleets, and public certificates in parallel benefit most from GlobalSign's combined platform.
Key Features
- SSL/TLS certificates across domain, organization, and extended validation tiers
- Managed PKI platform for enterprise-internal certificate issuance
- Dedicated IoT identity platform for provisioning device certificates at scale
- S/MIME email signing and document signing certificate products
- Root certificates trusted across major browsers and operating systems
- Decades of operation as one of the earlier commercial certificate authorities
- Ownership under GMO Internet Group with global operational presence
- API-driven certificate issuance for automated enterprise workflows