One command center for GSTR-1, 3B, 2B, 9, notices and reconciliations. Prepare, review, file and monitor from the GST portal without ever leaving Zenith360.




Zenith360 GST covers the entire month-close cycle — from client onboarding to portal filing to compliance dashboards.

One-click GSTIN lookup via our GSP integration. Search·filter·CSV export. PAN, legal name, address, filing status.

GSTR-1 · 3B · 2B · 6 · 7 · 8 · 9 · 9C in a single grid with SLA countdown, reviewer approvals and audit trail.

Compliance matrix across all clients × all periods. Filed / pending / overdue at a glance.

9-step guided flow: SR upload → 3-way reco (TB/GL/SR) → E-Invoice → EWB → portal-compare → file.

25-step flow: TB↔GL, PR↔GL, PR↔2B, Classification (§17(5)), RCM, ITC sheet, cash offset, PMT-06.

GSTR-1, 2B, 3B, ECL, ECash, Reclaimable ledgers — all download-ready as ready-to-print Excel.

Every notice / DRC / ASMT tied to a client + period, with SLA tracker, drafts, and file-to-portal support.

Trial Balance ↔ General Ledger ↔ Sales / Purchase Register. Diff rows, exportable to Excel with variance flags.
Every B2B / SEZ / Export invoice cross-checked against the NIC IRN registry via our GSP integration — matched · missing · cancelled · value-mismatch.
Draft replies to notices, explain rule §17(5), summarize a 2B, compare filed 3B vs computed — all inside the app.
Every filed return with ARN + filed_at + filer, right on the Compliance grid. Click to open the master workbook.

'Fetch All Active' pulls filed GSTR-1, 2B, 3B, ECL, Cash for every client in one go — nightly sync at 6 AM IST.
Zenith360 respects the way CAs already work. Upload · Reconcile · File.
Bring in Trial Balance, GL, Sales & Purchase Registers. Zenith auto-maps columns to canonical fields.
3-way reconciliation, ITC classification (§17(5)), RCM buckets — pending items flagged for reviewer approval.
GSTR-3B computed step-by-step. PMT-06 challan generated. File to GSTN via our GSP integration — one click.
Start with the 14-day trial. Add GSTINs and users when you're ready. No hidden fees.
Still curious? Write to aniruddha@zenith360tech.com.
Each unique 15-character GSTIN registered with the tax portal counts as one. A company with 5 state registrations = 5 GSTINs.
No. Zenith360 is bundled with a GSP subscription. All portal calls (fetch filed returns, generate challan, file) run through our unmetered GSP credentials.
No — GSP calls, portal downloads, ledger fetches, e-invoice, e-way bill are all included. We monitor abuse but standard usage is unmetered.
You'll get a nudge before the trial ends. There's no auto-charge — access continues in soft-lock mode (data view stays, new filings pause) until a Super Admin marks your plan as paid.
Yes. Monthly plans stop at the next period. Annual plans do not refund early cancellations, but your data stays exportable via Master Excel for 90 days after cancellation.
All data stays in our India-hosted MongoDB. Passwords are bcrypt-hashed. GSP GSTN tokens are session-only — we never persist your GSTN portal password.
Start with 14 days on us. No credit card. Cancel any time.