Software house · platforms, custom software & email

Software your business
runs on.

Many One is a software development venture. We build the custom platforms, portals and business tools companies rely on every day — backed by two decades deep in email infrastructure and security.

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What we build

Custom platforms & portals

Multi-user systems where everyone gets exactly the right access. Property platforms, for instance, that bring owners, tenants, realtors, inspectors and contractors together — each in their own role — and run the property's website alongside.

Business & accounting software

Bookkeeping and business tools built for individuals and firms juggling several businesses at once — each with its own data and its own branding.

Websites & web apps

Fast, modern business websites and web apps — designed and built to fit your brand, not forced into an off-the-shelf template.

Email infrastructure & security

Our roots: deliverability, auditing and hardening for your mail flow — plus the open-source Robin MTA & Tester we build and maintain.

All built on one robust, modular foundation — multi-tenant, role-based and brandable from the ground up — so your software grows with you.

Got a system to build, a platform to modernise, or mail that just won't behave? Get in touch — we're always happy to help.

Contact Many One