What is Silent Circle?
Silent Circle provides a comprehensive, enterprise-scale unified communication ecosystem designed for the most demanding networking environments. Headquartered in Columbia, Maryland, the firm serves a diverse clientele, including Fortune 100 corporations and government agencies across more than 100 countries. Its product portfolio is anchored by the GoSilent portable VPN firewall, the secure Silent Phone messaging application, and the hardened Blackphone handset. These solutions are integrated through the Silent Manager administrative console, offering a centralized, secure architecture that mitigates risks associated with traditional communication channels. By prioritizing end-to-end encryption and data sovereignty, Silent Circle addresses the critical need for secure, reliable, and compliant communication infrastructure in an increasingly volatile digital landscape.
How much funding has Silent Circle raised?
Silent Circle has raised a total of $130M across 3 funding rounds:
Series A
$30M
Series B
$50M
Series C
$50M
Series A (2014): $30M with participation from Cain Capital
Series B (2015): $50M led by Undisclosed
Series C (2016): $50M supported by Santander Bank
Key Investors in Silent Circle
Santander Bank
A prominent financial institution providing comprehensive consumer and commercial banking services, with a focus on large-scale capital deployment and strategic investment in technology-driven sectors.
Undisclosed Investors
Cain Capital
An investment firm focused on providing growth capital to high-potential technology companies, supporting early-stage development and market expansion.
What's next for Silent Circle?
With the successful completion of its latest financing round, Silent Circle is well-positioned to accelerate its product development roadmap and expand its global footprint. The company is expected to focus on enhancing its cloud analytics capabilities and further refining its hardware-software integration to meet the evolving requirements of enterprise clients. As cybersecurity threats become more sophisticated, Silent Circle's strategic focus will likely remain on maintaining its competitive edge through continuous innovation in secure mobile and network communications. The firm's ability to attract significant institutional backing suggests a strong market confidence in its long-term viability and its role as a foundational provider of secure communication services for the global enterprise sector.
See full Silent Circle company page
