Zen Software is a UK-based specialist software distributor serving IT resellers, managed service providers (MSPs), and growing businesses. The company supplies business-critical email, backup, archiving, and security products, with options for organisations and service providers. Its portfolio includes MDaemon Email Server for Windows, available as a locally managed solution, a cloud-hosted service, or an offering for MSPs. For email retention, Zen Software distributes MailStore, including server and service-provider editions, as well as EL mailarchive. Its backup range includes BackupAssist Classic and BackupAssist for MSPs, designed to protect Windows environments. Security products include SecurityGateway, an email filtering solution, and employee awareness training featuring tailored lessons and simulated phishing campaigns.

Alongside software distribution, Zen Software provides reseller-focused purchasing and licence management tools, including online pricing, new licence orders, renewals, and upgrades. The company also offers telephone and email support for its products and related topics. Customer feedback highlighted on its website emphasises responsive assistance, knowledgeable staff, and practical guidance before and after purchase, including help with licensing, technical issues, and migrations to hosted email.