Mimecast focuses on organizational security and operates in the cybersecurity industry. The company offers advanced solutions for proactive threat detection, email and collaboration security, and provides training and tools for brand protection and data retention. These services cater to the needs of modern workplaces looking to mitigate risks associated with cyberattacks, human error, and technological vulnerabilities. It was founded in 2003 and is based in London, United Kingdom. Mimecast operates as a subsidiary of Permira.

Valimail focuses on identity-based anti-phishing solutions within the cybersecurity industry. The company offers a cloud-native platform for validating and authenticating sender identity to prevent phishing, protect brands, and ensure compliance. Its main services include monitoring, enforcing, and amplifying email security protocols to provide continuous protection of domains. It was founded in 2015 and is based in San Francisco, California.

Xorlab is a cybersecurity company focused on providing enhanced email security solutions. Their main offerings include a data-driven platform that adapts to an organization's specific context to protect against sophisticated email threats such as phishing, business email compromise (BEC), and ransomware. Xorlab's security platform is designed to learn communication patterns and apply contextual analysis to effectively identify and mitigate potential threats. It was founded in 2015 and is based in Zurich, Switzerland.

IRONSCALES provides an artificial intelligence-driven email security platform. The company offers ransomware protection, credential theft protection, account takeover protection, security awareness training, phishing stimulation testing, and more. It primarily serves the cybersecurity industry. The company was founded in 2014 and is based in Atlanta, Georgia.

INKY is a company focused on behavioral email security within the cybersecurity industry. Its main offerings include a cloud-based platform that scans inbound, internal, and outbound emails to block phishing, malware, and prevent data leaks, while also providing real-time guidance to users. The company primarily serves sectors that require robust email security solutions, such as finance, healthcare, and technology services. INKY was formerly known as New Arcode. It was founded in 2008 and is based in College Park, Maryland.

SlashNext is a cybersecurity company specializing in integrated cloud messaging security across various platforms. The company offers protection against business email compromise (BEC), smishing, account takeovers, and zero-hour phishing attacks for email, mobile, and web browsers. SlashNext's solutions are designed to secure communication channels such as Microsoft 365, Zoom, SMS, LinkedIn, WhatsApp, and more, utilizing advanced technologies like AI for threat detection and prevention. It was founded in 2017 and is based in Pleasanton, California.