๐Ÿš€ Trusted by 50+ firms worldwide

The Complete Office Management System for Professional Firms

Tasks, Clients, Invoicing, Crew & Finance โ€” all in one powerful WordPress plugin. Built for CA firms, law offices and consultancies.

โœ“ GST Readyโœ“ One-Click Installโœ“ Auto Updatesโœ“ Full Data Backup
app.stackoms.com/dashboard
StackOMS Dashboard
500+
Tasks Managed
โœ“ GST Invoicing
Built-in & Compliant
๐Ÿ”” Auto Reminders
Never miss a payment

Trusted by professional firms across India and worldwide

๐Ÿข CA Firmsโš–๏ธ Law Offices๐Ÿ’ผ Consultancies๐Ÿ“Š Tax Advisors๐Ÿ›๏ธ CS Firms๐Ÿค CMA Practices

Everything Your Office Needs โ€” In One Plugin

No more juggling multiple tools. StackOMS brings tasks, clients, billing and finance into a single unified system.

โšก

Advanced Task Management

Assign tasks, set deadlines, track status and schedule recurring work. Full workflow from creation to completion.

๐Ÿงพ

GST Invoicing & Receipts

Create GST-compliant invoices, record receipts, manage party ledger and outstanding balances with automatic reminders.

๐Ÿ‘จโ€๐Ÿ’ผ

Crew & Staff Management

Full staff profiles, role-based permissions, salary info, KYC records and leave tracking.

๐Ÿ‘ฅ

Client & Group Management

Maintain a complete client database with groups, credentials, contact info and full service history.

๐Ÿ“…

Scheduler & Appointments

Calendar-based task scheduling, crew appointments and timesheet tracking โ€” all synced together.

๐Ÿ“Š

Finance & Reports

Billing queue, invoice reports, GST summaries, opening balances and outstanding reports at your fingertips.

Up and Running in Minutes

Three simple steps to transform how your firm operates.

๐Ÿ“ฆ
STEP 1

Install

Install StackOMS on any WordPress site. No coding needed โ€” activate and you're ready to go.

โš™๏ธ
STEP 2

Configure

Add your firm profile, clients, services and crew. Everything is guided and intuitive.

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STEP 3

Manage

Start assigning tasks, creating invoices and tracking your entire office from one dashboard.

โšก TASK MANAGEMENT

Task Management Designed for Professional Service Firms

โœ“Assign tasks to crew with due dates and priorities
โœ“Full status workflow with custom statuses
โœ“Recurring task templates โ€” never miss a deadline
โœ“My Tasks view for every team member
โœ“Bulk scheduler for period-end and seasonal work
โœ“Complete audit trail and work log
app.stackoms.com/tasks
โšก StackOMS Tasks ยท My Tasks ยท Status Board
๐Ÿ—‚๏ธ Tasks
85 items ยท 12 overdue
+ Add New Task
All Statuses โ–พ
All Clients โ–พ
All Services โ–พ
Active Only โ–พ
๐Ÿ” Search
#
Client
Service
Due Date
Work Status
Bill
#119
Mehta & Associates
Consulting
ITR Filing FY 25-26
25/04/2026
โ— In Progress
Pending
#118
Shah Industries Ltd
Manufacturing
GSTR-3B Oct 2025
24/04/2026
โœ“ Submitted
โ‚น3,500
#117
Patel Traders Pvt Ltd
Trading
GST Audit FY 24-25
30/04/2026
โณ Pending
โ€”
#116
Desai Construction
Infrastructure
TDS Q3 Filing
22/04/2026
โ— In Progress
โ‚น2,000
#115
Jain & Partners LLP
Consulting
Annual Audit 2025
05/05/2026
โ—Ž Assigned
โ‚น15,000
Showing 5 of 85 tasks
โ€น Prev
1
2
Next โ€บ
app.stackoms.com/invoices/042
โšก StackOMS Finance ยท Invoices ยท Receipts
TAX INVOICE
#INV-2026-042
Date: 25 April 2026
Sharma & Co. CPAs
GST: 24AABCS1429B1ZB
Ahmedabad, Gujarat
BILL TO
Shah Industries Ltd.
GSTIN: 24AABCS9876C1ZD
Mumbai, Maharashtra
SERVICE
ITR Filing FY 2025-26
Period: Apr 2025 โ€“ Mar 2026
Supervised by: R. Sharma
DESCRIPTION
QTY
RATE
AMOUNT
Professional fees โ€“ ITR Filing
1
โ‚น5,000
โ‚น5,000
Subtotalโ‚น5,000
CGST @ 9%โ‚น450
SGST @ 9%โ‚น450
Totalโ‚น5,900
๐Ÿ“„ Export PDF
โœ“ Mark Paid
๐Ÿ“ง Send Reminder
Unpaid ยท โ‚น5,900 due
๐Ÿงพ GST INVOICING

GST-Ready Invoicing That Actually Works

โœ“CGST / SGST / IGST automatic calculation
โœ“Multiple firm profiles on one system
โœ“Recurring invoice templates
โœ“Party ledger with running balance
โœ“Outstanding reminders sent automatically
โœ“PDF invoices with your logo, signature & QR code
Firms Using StackOMS
0 +
Tasks Managed
0 +
Uptime SLA
0 .9%
Client Rating
0 โ˜…

What Our Users Say

Firms across India trust StackOMS to run their office smarter.

โ˜…โ˜…โ˜…โ˜…โ˜…

“StackOMS completely replaced 3 different tools we were using. The invoicing and task management together is a game changer.”

R
Rajesh Mehta
CA Firm, Mumbai
โ˜…โ˜…โ˜…โ˜…โ˜…

“The outstanding reminder system alone saved us hours every week. Our collections improved significantly.”

P
Priya Sharma
Consulting Firm, Delhi
โ˜…โ˜…โ˜…โ˜…โ˜…

“Setup was incredibly fast. Within a day our entire team was using it for task tracking and billing.”

A
Amit Patel
Law Office, Ahmedabad

Built for Real Firms, Not Generic Businesses

StackOMS is purpose-built for Indian professional service firms. It handles the workflows you actually use โ€” not generic project management.

๐ŸŽฏ

Purpose-Built

Designed from the ground up for Indian CA firms, law offices and consultancies โ€” not adapted from generic software.

๐Ÿ”’

Your Data, Your Server

StackOMS is a WordPress plugin. Your data stays in your own database on your own hosting. No SaaS, no subscriptions.

๐Ÿš€

Constantly Improving

Regular updates with new features, performance improvements and compliance updates. Auto-update from your WP admin.

Simple, Transparent Pricing

One plugin. One price. No monthly fees. No hidden charges.

PROFESSIONAL PLAN

StackOMS Professional

Complete office management โ€” no hidden fees

โ‚น29,999 / onetime

That's just โ‚น2499/month billed for one year

โšกAdvanced Task Management
๐Ÿ‘ฅClient & Group Database
๐ŸงพGST Invoicing & Receipts
๐Ÿ’ฐParty Ledger & Outstanding
๐Ÿ‘จโ€๐Ÿ’ผCrew & Staff Management
๐Ÿ“‹Billing Queue
๐Ÿ“ŠFinance Reports & Analytics
๐Ÿ“…Appointments & Scheduler
โฑ๏ธTimesheet Tracking
๐Ÿ””Auto Email Reminders
๐Ÿ’พBackup & Restore
๐Ÿ”„1 Year Updates & Support
Get StackOMS Now โ†’

โœ“ Includes 1 year of updates & support  ยท  โœ“ Unlimited staff accounts  ยท  โœ“ Secure checkout

Frequently Asked Questions

Yes โ€” StackOMS installs as a standard WordPress plugin on any self-hosted WordPress 6.0+ site running PHP 8.0+. No special server requirements.
Yes โ€” full CGST/SGST/IGST support with automatic calculation, correct GST invoice format and report generation for Indian tax filings.
Unlimited. You can create as many staff accounts as needed. Each user gets role-based permissions โ€” from staff to admin level.
Yes โ€” StackOMS supports multiple firm profiles, each with its own logo, letterhead, bank details and invoice number series.
You’ll see an ‘Update Available’ notice directly in your WordPress admin. One click updates the plugin โ€” your data is never affected.
All data stays in your own WordPress database on your own server โ€” we never see it. StackOMS includes a built-in full SQL backup and restore system.

Ready to Transform How Your Office Works?

Join professional firms already using StackOMS to manage tasks, clients and billing โ€” all in one place.