We don't sell you software. We cut your admin costs.

A dedicated engineer embeds with your agency, maps your processes, and builds them into a platform. You keep the system. We stay on for what comes next.

The approach

Most property software sells you a login. We show up and do the work.

Every agency we work with gets a dedicated engineer. We sit with your team, map what actually happens, and rebuild it inside the platform. No onboarding wizards, no generic templates. The configuration is the engagement.

01
Sit with you
We come to your office and spend time with your team. We watch what actually happens: the spreadsheets, the email threads, the workarounds that have built up over years.
02
Configure
Your trading entities, VAT rules, templates, and commission logic, written into the platform by hand. Your processes, not a generic one.
03
Hand over
You keep the platform. We stay on as a retained partner for changes, new processes, and growth.
University Area Properties
Case study

University Area Properties, Belfast.

Every growing agency hits the same ceiling. It looks like longer invoicing cycles, slower applications, backlogged reconciliation, and eventually a new admin hire. Mosyn moved the ceiling instead.

100+
Properties managed across Belfast
~10 days
Staff time returned each month, across invoicing and applications
Zero
Manual errors on owner statements since go-live
We got roughly half a working month back from our staff. We haven't hired anyone. We're using the capacity to grow the portfolio instead.
— University Area Properties
For Northern Ireland

Everything your agency needs in one platform.

Built for residential letting agencies. Every module works together — one system of record, not a patchwork of tools.

Properties
Single source of truth for your entire portfolio. Every workflow starts and ends here.
Owners
Owner records, statements, and remittances. Always up to date, always accurate.
Tenants
Tenant records and tenancy management. Track leases, renewals, and history in one place.
Invoicing
Remittance statements with per-line VAT classification. Generate, review, and send as PDF.
Rent tracking
Payment tracking with arrears alerts. Know who's paid and who hasn't, instantly.
Maintenance
Log, prioritise, and track repairs. Link costs to properties and flow them into invoices.
Applications
Online application forms for prospective tenants. Review and process from one pipeline.
Documents
Generate tenancy agreements from your templates, filled against live data, produced as PDF.
Inform tenants
Notify tenants of maintenance access, inspections, and notices by email — directly from the property page.
Custom configuration
Built around your trading entities, VAT rules, commission structure, and templates. Your agency, not a generic setup.

Let's talk about your agency.

We're working with a small number of partners right now. If your agency is ready, so are we.