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AviinTechBusiness Solutions

FinStack ERP · GST, accounts and payroll software for India

Invoices, GST and accounts in one system

Built for how Indian businesses keep their books: GST invoices, accounts and payroll that agree with each other.

FinStack ERP draws invoices, payments, the ledger and payroll from the same entries, so the numbers your accountant asks for are already in one place.

  • GST invoicing
  • Accounts and ledger
  • Payroll and HR
  • CFO dashboard

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FinStack ERP invoice list with totals for billed, received, outstanding and overdue, and invoices for three clients with their dates, amounts and paid, part-paid or pending status (demo data)
Invoices1 / 3
Screenshots on this page use demo data.
01

Bill

Raise GST invoices and quotations, send them to clients, and record what each client has paid.

02

Account

Keep the ledger, vendor bills, payables and bank reconciliation, with statements built from the entries.

03

Comply

Export GSTR-1, hand your accountant a Tally file, and keep TDS and payroll deductions in order.

What it does

Books, GST and payroll without the re-typing

GST invoices that show who has paid

Create invoices with CGST and SGST or IGST worked out from the place of supply. See what is billed, received and outstanding at a glance, search by invoice or client, and upload invoices in bulk.

  • CGST, SGST and IGST by place of supply
  • Paid, part-paid and pending status
  • Bulk upload and a month-wise register
  • Quotations, recurring invoices and credit and debit notes
FinStack ERP invoice list with totals for billed, received, outstanding and overdue, and invoices for three clients with their dates, amounts and paid, part-paid or pending status (demo data)

GST returns without starting from scratch

See the month's invoices to registered clients and consumer sales, export GSTR-1, and export your vouchers to Tally as XML. TDS deposit reminders sit on the same page.

  • GSTR-1 export built from your invoices
  • Tally XML export
  • TDS deposit reminders
  • GSTIN checks, e-invoice and e-way bill tools in GST Tools
FinStack ERP GST compliance page for one month with invoice counts, revenue and filing status, a list of invoices to registered clients, and buttons to export Tally XML and GSTR-1 (demo data)

Payroll inside your accounts

Run monthly payroll with PF, ESI, professional tax and TDS, adjust present days and advances before you run it, then download the bank file. Payroll runs post to the ledger on their own.

  • PF, ESI, PT and TDS worked out
  • Present days and advances edited before the run
  • A payslip for every employee
  • Bank file download
FinStack ERP monthly payroll page listing employees with basic pay, present days and advance deduction, and a payslips table below (demo data)

Revenue and collections, month by month

The CFO dashboard charts revenue against collections over six months and lists overdue invoices, next to figures for billing, outstanding amounts, expenses and profit.

  • Revenue against collections for six months
  • Overdue invoices flagged
  • Employees, clients and pending leaves in one view
  • Reports with PDF export
FinStack ERP CFO dashboard chart of revenue against collections over six months, with a panel for overdue invoices (demo data)

Everything in one system

44 modules, from the first quotation to the balance sheet

Sales, purchases, payroll and accounts share one set of records, so you stop moving figures between tools.

  • Invoicing

    GST invoices, quotations, recurring invoices, credit and debit notes, payment links and e-signing.

  • Clients and customer portal

    Client records with GSTIN and terms, and a portal where your clients see invoices and statements.

  • Purchases and payables

    Vendor bills, purchase orders, goods receipts, returns and batch payment runs.

  • Inventory

    Warehouses, stock on hand, transfers, reorder alerts and an item catalogue.

  • General ledger

    A 71-account chart, vouchers, day book and trial balance, with invoices, bills and payroll posting on their own.

  • Statements and budgets

    Profit and loss, balance sheet and cash flow from posted entries, and budgets against actuals.

  • Bank reconciliation

    Import bank statements, match lines to your entries and post what is missing.

  • GST and TDS

    GSTR-1 and GSTR-3B, Tally XML, e-invoice and e-way bill tools, TDS challans and Form 16.

  • Payroll and HR

    PF, ESI, professional tax, TDS, CTC and salary revisions, Form 12BB, final settlement, leave, attendance and shifts.

  • Contractors and timesheets

    Contractor ledger, timesheets, client purchase orders, and bulk invoices and payslips from one run.

  • Expenses, assets and projects

    Expense claims with approval and receipt scanning, assets, employee loans, and project profit and loss.

  • Control and connections

    Roles and permissions, approval workflows, audit log, document vault, helpdesk, data import, API and webhooks.

Why FinStack ERP

Built for Indian books and Indian compliance

GST, TDS and payroll deductions are part of the design, not plug-ins you assemble.

  • GST at the core

    Intra-state and inter-state tax follows the place of supply, and returns are exported from the same invoices.

  • TDS and Form 16

    Track deductions and deposit dates, and produce Form 16 from the same records.

  • Payroll with PF, ESI and PT

    Statutory payroll sits beside the accounts it posts to, with a payroll lock for closed months.

  • Works with Tally

    Export vouchers as Tally XML if your accountant still keeps books there.

  • Access you control

    Nine roles with per-person permission overrides, approval workflows, an audit log, and sign-in with an authenticator app or Google.

  • More than one company, more than one currency

    Separate company data with a consolidated report, and export invoices in eight currencies, including zero-rated supply under a letter of undertaking.

Every business keeps its books a little differently. Tell us how yours work and we will show you how FinStack ERP would handle them.

Who it is for

For owners and the people who keep the books

Owners and finance leads

See billing, collections and cash in one dashboard, and know which invoices are overdue before the month ends.

  • Revenue and collections at a glance
  • Overdue invoices flagged
  • Statements built from posted entries

Accountants and operations teams

Raise invoices, record payments, run payroll and prepare GST and TDS work from shared records.

  • GSTR-1 and Tally exports
  • Vendor bills and payables
  • Payroll that posts to the ledger

Questions

Questions people ask

Does FinStack ERP handle GST?

Yes. Invoices apply CGST and SGST or IGST by place of supply, and you can export GSTR-1 from them. GSTIN checks, e-invoices and e-way bills need a connection to a GST provider, which is set up per company.

Can it work with Tally?

FinStack ERP exports your vouchers as Tally XML, so an accountant who works in Tally can still receive your data.

Is payroll included?

Yes. Payroll covers PF, ESI, professional tax and TDS, with payslips and a bank file, and payroll runs post to the ledger.

Can I run more than one company?

Yes. Each company's data is kept separate, and a consolidated report brings the companies together.

How do people sign in, and who sees what?

People sign in with email and password, with an optional authenticator-app code or Google sign-in. Access is by role, with permissions you can adjust for each person, and an audit log records activity.

Can my clients pay online?

Clients get a portal where they see their invoices and statements, and invoices can carry payment links through Razorpay once your Razorpay account is connected.

Can it invoice in other currencies?

Yes. Invoices can be raised in eight currencies with an exchange rate and rupee equivalents, and export or SEZ supply can be zero-rated under a letter of undertaking.

How much does it cost, and can I try it?

Pricing depends on your company's size and the modules you need. Contact us and we will send a quote, or book a demo to see it with your own questions.

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See FinStack ERP with your own figures in mind.

Book a demo and tell us how you invoice, pay and keep your books today. We will show you how FinStack ERP would handle it.

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