The problem

Societies run on tools that weren't built for them.

An apartment society is a small business nobody volunteered to run: monthly billing across hundreds of flats, a security gate with constant visitors, amenities to schedule, complaints to track, and books that must survive an annual audit. The default toolkit — WhatsApp, Excel, and a paper register — loses information at every step and burns the committee's weekends.

WhatsApp for everythingNotices buried under hundreds of unread messages, polls in plain text, no record of who saw what.
Excel for billingManual maintenance calculation, bank reconciliation by hand, three versions of "Final final.xlsx".
Paper at the gateVisitor names scrawled in a notebook, residents phoned for every delivery, no way to search yesterday.
Audit-season dreadReceipts, ledgers, and statements reconstructed by hand across weekends, every single year.

What we built

Four people. Four jobs. One platform.

Each role gets a focused surface designed for the device they actually use — not a watered-down version of the admin panel.

For residents · mobile app

Everything a flat needs, in a pocket

Pay maintenance via UPI in seconds
Pre-authorize guests, deliveries, and cabs — they skip the gate call
Raise complaints and track them to resolution
Book the clubhouse, gym, and courts

For the committee · web console

Run the society, not the spreadsheet

Automated monthly billing with reminders
Announcements, polls, and events that reach everyone
Vendor expense approval workflow
Resident directory with family and vehicle records

For security · gate tablet

The paper register, retired

Visitor queue for pre-auth and walk-ins
QR pass verification in one tap
Knock-to-call the resident — no dialing
Searchable vehicle and entry log

For the treasurer · accounting suite

Books that close themselves

Double-entry ledger with GST invoicing
GSTR-3B prepared from invoices, TDS tracked and 26Q-ready
Automatic bank reconciliation
Balance Sheet generated, audit-ready

The full surface

Nine modules. One subscription.

No add-on hide-and-seek — the entire operating surface of a society ships together, with an audit trail underneath.

Maintenance billingAuto-generated monthly bills with GST, late fees, and special levies; collections visible in real time.
Gate & visitorsPre-authorization, QR passes, and a complete entry log on a tablet at the gate.
Complaints & helpdeskTicket numbers, SLA tracking, photos, and status updates for every issue.
Treasury & accountingDouble-entry ledger, GST invoicing, TDS, and automatic bank reconciliation.
Announcements & pollsNotices with acknowledged-by-whom counters; polls with audit trails.
Amenity bookingsClubhouse, gym, and courts — booked from the phone, paid online, conflict-free.
Resident directoryFamilies, members, vehicles, owner-vs-tenant — imported from existing Excel in one click.
Society pollsAGM resolutions and vendor renewals with quorum and results handled automatically.
Reports & auditEvery action logged; demographics, financials, and audit trail export-ready.

Where it stands

Live, operated, and growing.

ComplexOS is live in production and operated end to end by Nexolve Labs — hosting, monitoring, backups, and support. It's built in Bangalore for how Indian societies actually work: UPI-first payments, GST-compliant books, and surfaces sized to each role's device.

Built end to end by one teamProduct design, engineering, infrastructure, and operations — all in-house at Nexolve Labs.
Proof for your projectThe same team and discipline behind ComplexOS — short cycles, audit trails, role-based design — is what you hire for your own platform.

Have a platform like this in mind?

Multi-role products, payments, and accounting-grade audit trails — we've shipped them for ourselves. We can ship them for you.

Start a project → Explore ComplexOS live