Top 8 Cloud File Security Software Companies With $1M–$5M Revenue (September 2026)

Austin, Texas, United States

Developer of a file disarmer and reconstruction platform designed to remove threats from documents and avoid potential infections. The company's platform automatically scans and sanitizes each and every file sent or shared and reconstructs a fully functional, threat-free file in less than a second, enabling organizations to safely open, download and transfer files and attachments while keeping performance and functionality intact.

Hisøy, Norway

ShareBox is a powerful macOS app that lets you securely share files with anyone in seconds. Upload from Finder, generate unique links, and control file access and expiry. Built for privacy, speed, and simplicity.

Barcelona, Catalonia, Spain

Tranxfer is a leading cybersecurity company founded in Barcelona in 2013 and the easiest to use B2B tool to send and receive files securely. Advanced cybersecurity, traceability, audit and regulatory compliance features make Tranxfer the most secure option for your organisation for sending and receiving files. You can use the platform in Cloud mode or directly integrated into your corporate systems via API and plugin for O365, Outlook, Gmail & Teams.

Amsterdam, Netherlands

Developer of a cloud based software intended to facilitate secure file transfer. The company's software offers a fast, safe and easy to use through outlook integration to transfer emails as well as to upload files of any type and any size, enabling organization to reduce security risks and increasing employee productivity.

United States

Stealth: The Secure Collaboration Platform. Securely store, search and share your documents in fully privacy, with Stealth.

Denver, Colorado, United States

Developer of a next-generation 3D asset protection platform intended to protect and manage digital assets. The company's platform offers protection against piracy and vulnerable third party packages with embedded tracking points and creates real-time metrics about the movement and status of assets in order to identify fraud and illegal distribution, enabling artists and professionals to streamline the protection of complex files and communicate file ownership.

Lisbon, Portugal

Developer and provider of a cloud-based solution intended to store and share files. The company's solution backed by a complex multi-cloud technology where every file placed inside a special folder is encrypted and broken in blocks and blocks are distributed between different clouds and redundantly stored where data is available and secure even if some of the clouds are down, allowing its users with secure and private way to store and share files.

Bonn, North Rhine-Westphalia, Germany

CenterDevice is a secure cloud storage for documents. All uploaded documents are stored in a data center in Germany. After uploading, documents are indexed, allowing to easily find them again by just searching for them. Documents can be easily shared to collaborators within the company or even distributed to the outside if so desired. The mobile applications for iPad and Android offer access to the documents on the go.