Connect your property data. Automate your workflows.

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A checklist tells you what needs doing. MillOS acts: reads incoming certificates, tracks expiry dates and coordinates renewals with engineers and tenants - keeping your records up to date as new documents arrive.
Beyond tracking. Into action.
A spreadsheet waits for you to update it. MillOS matches rent to properties, organises incoming invoices and prepares figures for your accountant—keeping your books moving throughout the quarter.
Beyond recording. Into preparation.
MillOS reads your certificates, tracks their expiry dates and plans renewals. It arranges inspection visits with engineers and tenants, then files the new certificate against the right property.
complianceWhere smoke alarms are required, testing rules and the 2022 update to the Smoke and Carbon Monoxide Alarm Regulations for landlords.
certificatesThe Gas Safety Certificate (CP12) is the single most important document for UK landlords. Here's who needs one, how often it renews, what happens if you miss it, and how to automate the renewal cycle.
open-bankingOpen Banking gives UK landlords a read-only, real-time view of rent, expenses and reconciliation across every bank account. Here's how it works and why manual bank statements are finished.
See what your AI agents are doing and check your property compliance, wherever you are. Everything you need to stay informed, right on your phone.