What is SunRMS - Rental Management System?

End-to-end rental operations—tenants, payments, service tickets, contracts and reporting—built to scale across properties and teams.

What does it include?

It includes unit registers, billing automation, collections, service SLAs and owner-ready reporting.

It's for property managers, owners, and rental teams managing multi-property portfolios.

SunRMS - Rental Management System • Greycells

THE PLATFORM

The rental platform that works for teams, not the other way around

Deploy and run your rental operations end-to-end—properties, units, tenants, billing and reports—in one place with WhatsApp updates built in.

Run rentals end-to-end in one place—properties, units, leases, billing and reporting—with built-in WhatsApp updates

Managers get clear occupancy, dues and calendar views. WhatsApp pushes notice renewals, rent reminders and service updates—no app required for tenants.

Purpose-built for modern property ops. SunRMS Platform

Dashboard

Properties

Units

Leases

Rent Rolls

Communication

Reports

Day-based proration, EB usage and add-ons produce bills tenants trust—receipts in a tap

Managers automate recurring invoices and track outstanding balances. Tenants receive WhatsApp bills, pay via link and get instant receipts—transparency at every step.

Automated Billing

Generate invoices automatically based on lease terms

Automated reminders and receipts on WhatsApp keep tenants informed and reduce follow-ups

No app downloads required. Tenants receive rent reminders, payment confirmations, and maintenance updates directly via WhatsApp with built-in WhatsApp Business API integration.

WhatsApp Integration

Direct communication with tenants

🏠 Rent reminder: ₹25,000 due on Dec 5

10:30 AM

Payment completed ✅

2:15 PM

✓ Receipt sent. Thank you!

2:16 PM

See occupancy, aging and collections at a glance—export details when you need them

Real-time dashboards show property health, tenant aging, and revenue tracking. Export detailed reports for accounting, tax filing, or investor updates with one click.

Analytics & Reports

Comprehensive insights into your rental operations

98%

Occupancy

95%

Collection

28s

Avg Response

SUNRMS: FEATURES

Everything teams need to operate rentals confidently

Clear models, accurate billing and built-in communication.

Unified model

Represent properties, units and (for hostels) beds in one consistent structure across your portfolio.

Accurate billing

Day-based proration, EB usage and add-ons produce bills tenants trust—receipts in a tap.

Communication built-in

Automated reminders and receipts on WhatsApp keep tenants informed and reduce follow-ups.

EB metering & sharing

Enter monthly readings. SunRMS computes usage and fairly shares EB bills across units—no manual formulas, just transparency.

Payments & receipts

Record partial, clear dues and issue receipts automatically to keep accounts transparent.

Reports & dashboards

See occupancy, aging and collections at a glance—export details when you need them.

SunRMS — Rental Management System