List of the Top 4 SSL & TLS Certificate Providers for Keyfactor Control in 2025

EJBCA is a robust PKI platform designed for enterprise use, capable of issuing and managing millions of digital certificates efficiently. Its popularity spans globally, as it serves large organizations across various industries, making it a trusted choice for secure digital certificate management.

Sectigo is recognized as a foremost global authority in the realm of cybersecurity, committed to protecting websites, connected devices, applications, and digital identities. This esteemed provider excels in delivering digital identity solutions, featuring a variety of products such as SSL/TLS certificates, DevOps assistance, IoT solutions, and extensive enterprise-grade PKI (Public Key Infrastructure) management, all complemented by strong multi-layered web security. With a remarkable legacy as the largest commercial Certificate Authority, Sectigo proudly serves over 700,000 clients and has amassed more than twenty years of experience in building online trust. The company partners with organizations of all sizes to deploy automated public and private PKI solutions that fortify the security of web servers, user access, connected devices, and applications. Celebrated for its innovative contributions and exceptional global customer service, Sectigo continually showcases its ability to protect the dynamic digital landscape effectively. Beyond its leadership in SSL/TLS certificates, DevOps, and IoT solutions, Sectigo's unwavering dedication to quality establishes it as a reliable ally in navigating the intricate challenges of cybersecurity. As the digital world evolves, Sectigo remains at the forefront, adapting its strategies to meet the ever-changing security needs of its clients.

wolfSSL is a well-regarded open-source internet security company, primarily recognized for its wolfSSL embedded SSL Library, which is aimed at developers looking to incorporate security features into their applications and devices. The company employs a dual licensing model, akin to MySQL, allowing them to cater to both commercial entities with a paid license and the wider open-source community with a free license. To further improve user engagement, wolfSSL also offers consulting and support services. This library is particularly notable for being the premier choice for SSL/TLS security in IoT applications, as it effectively protects devices from prevalent threats, especially man-in-the-middle (MITM) attacks. In addition, it is a preferred solution in high-traffic server and cloud settings where cryptographic efficiency is crucial. Government bodies also turn to wolfSSL’s embedded SSL for its adherence to FIPS 140-2 standards. Remarkably, over 2 billion applications and devices have benefitted from wolfSSL’s offerings, showcasing the extensive trust in its effectiveness and reliability. Such widespread usage emphasizes the library's pivotal role in safeguarding security across various industries and applications. As a result, developers can confidently integrate wolfSSL into their systems, knowing they are using a trusted solution.

AWS Certificate Manager streamlines the process of obtaining, overseeing, and deploying SSL/TLS certificates, whether they are public or private, which are vital for ensuring secure communications within AWS services and among internal systems. These certificates are essential for protecting online exchanges and authenticating websites found on the Internet, in addition to securing private network communications. By leveraging AWS Certificate Manager, users can alleviate the burdensome responsibilities tied to acquiring, uploading, and renewing SSL/TLS certificates. Industry standards recognize the SSL and TLS protocols for their effectiveness in encrypting data shared over networks and validating the identities of online websites. The implementation of SSL/TLS safeguards sensitive data during transmission, while certificates confirm website identities, facilitating secure connections between users' browsers, applications, and the web services they interact with. This service ultimately not only strengthens security but also improves the efficiency of managing certificates across multiple platforms. Additionally, it empowers organizations to focus on their core operations without being bogged down by the complexities of certificate management.