Field notes · Finance

AI for CA firms and finance teams: fewer calls, cleaner ledgers.

Firms using OpenAnalyst answer “kitna baaki hai?” from the ledger, file GST bills from a photo, chase invoices without phoning and start the day with the cash position. Here is how a firm runs it.

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UB
Client chat · Unit Brain repliesExample firm · 14 staff · 320 clients
Kitna baaki hai?10:12
Balance ₹18,400 · last paid 2 Sep · next due 15 Sep→ from Tally ledger · Pay now: UPI link10:12
📷 Purchase bill10:15
Filed · purchase · 18% GST · ₹8,400GSTIN missing, asked the vendor10:15
Type a message
Example conversation. Names and figures are illustrative.
Start with your own files on free desktop.Free desktop for Windows and Mac. We set up your first workflow with you, free. Pro adds Cloud and all Pro features for ₹2,000/month.
01

Answer “kitna baaki hai?” from the ledger, not from memory

A balance query used to mean a call to the office, someone opening Tally, and a number read out that nobody wrote down. Now the client asks in their own chat and the ledger answers: balance, last payment, next due date, and the UPI link to settle it.

Every answer names the ledger and the entry. The partner is copied only when the client asks for a person.

UB
Client chatExample conversation
March ka GST challan bhejo16:20
GSTR-3B March 2026 · paid 18 Apr · ₹42,300 · challan attached 📎Source: GST filings / 2026-0316:20
Aur April?16:21
April is due 20 May. Draft is ready for review; Priya will confirm on Friday.16:21
Type a message
Example conversation. Names and figures are illustrative.
02

File the bill, chase the invoice, approve the payment, all from the phone

A purchase bill used to travel from a photo to a folder to a data-entry pass a week later. Now a photo in the chat becomes the ledger entry with GST split, and the missing GSTIN is asked for on the spot. Reminders go out on their own at day 7 and day 15, each with a UPI link, and the team stops phoning.

A vendor payment arrives as one card; one reply approves it and the ledger records who and when.

UB
Partner's chatExample conversation
Vendor payment · Mehta Stationers · ₹12,600 · due todayReply 1 to approve, 2 to hold · invoice 📎11:30
111:33
Approved · Anil · 11:33 · entry posted to TallyReminder sent to Sharma Traders: ₹18,400 at day 711:33
Type a message
Example conversation. Names and figures are illustrative.
03

Every partner starts the day with the cash position

The cash position used to be a spreadsheet one person updated on Fridays. Now each partner gets it at nine: cash, receivables due this week, invoices at the day-7 reminder, and a question about any line is answered from the same ledger.

Month end stops being a week of calls; the exceptions are already listed.

UB
Partner's chatExample conversation
9:00 · Cash ₹4.2 L · receivables due this week ₹1.8 L · 3 invoices at day-7 reminder · 1 GSTIN pendingFrom Tally ledger and bank statement · sheet 📎09:00
Sharma Traders ka status?09:03
₹18,400 outstanding · reminder sent 10 Sep · read, no reply. Escalate to call on day 15?09:03
Type a message
Example conversation. Names and figures are illustrative.
What it does

Six jobs it takes off the phone.

Each one reads only the files you upload, answers with the source and writes back only after a tap. Tap a job to try its question on WhatsApp.

Kitna baaki hai?Balance replier

Balance, last payment and due date answered from Tally, with the UPI link.

Try on WhatsApp
Purchase bill file karo, photo attachedBill filer

A GST bill photo becomes the ledger entry with the tax split; missing details asked on the spot.

Try on WhatsApp
Pending invoices ka reminder bhejoCollector

Invoice reminders with a UPI link at day 7 and day 15; the team stops phoning.

Try on WhatsApp
Mehta Stationers payment approvePayment approver

Vendor payment as one card; one reply approves and posts it.

Try on WhatsApp
Aaj ka cash positionMorning digest

Cash, receivables due and reminders in one message per partner.

Try on WhatsApp
Bank statement match karoBank matcher

Which payment belongs to which invoice, and what is missing, from the bank statement.

Try on WhatsApp
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Your files

Every answer comes from your own files.

The ledger export, the bank statement and the invoice folder already exist; they live on one PC in the office. Uploaded once, they answer clients and partners alike, and every answer names the entry it came from.

Uploaded onceStatus
Tally ledger exportReady
Bank statement.pdf · AugReady
Invoices / 2026-09Ready
GST filings / 2026Ready
How it works

Start to finish, three steps.

01Upload once

Drop the Tally export, the bank statement and the invoice folder. Ten minutes, or book the free setup session and we do it with you.

02Ask on WhatsApp

Clients ask in their own chat; partners ask in theirs. Hindi, Marathi or English. The answer names its source.

03Approve, it posts

Payments and bills post to Tally only after a tap, with a name and a time. Everything is in the ledger.

Works with

Beside the tools you already run.

WhatsAppMessagingOpenAIModelAnthropicModelGoogle GeminiModelTallyBooksGoogle SheetsWorkspaceZoho BooksBooksGoogle Drive · GmailWorkspaceRazorpay · UPIPayments

Available today   In development

Control

Owners stay in control of what the AI touches.

The AI runs on your own Google, OpenAI or Anthropic account, so client ledgers train nobody's model and nobody adds a markup. Runs on the office PC or in your cloud. Nothing posts to Tally and no reminder goes to a client without the rule you set, and every action sits in a ledger with who, what and when.

  • Your own AI account, no markup
  • Runs on your PC or in your cloud
  • Every write approved by a person
  • A ledger of every action: who, what, when
Field notes

Try the bank-statement workflow. The episode comes later.

1Bank statement workflow

Which payment belongs to which invoice?

The bank statement analysis page: upload a statement, get the matches, the gaps and the exceptions, then post to Tally after review.

Questions

What owners ask before they download.

Who sets it up?

We do, free, for your first workflow: a 60 to 90 minute session on a call while you share the office PC screen. More workflows, connectors or a named engineer for weeks come as setup packs.

Does everyone need a new app?

No. Your people keep using WhatsApp. One office PC runs OpenAnalyst.

Which phones?

Any phone that runs WhatsApp. Nothing to install for the team.

Does it work in Hindi?

Ask in Hindi, Gujarati, Marathi or English. The answer comes back in the language of the question.

What if the answer is wrong?

Every answer names its file and row, so it can be checked in ten seconds. Nothing is written to Tally until a person taps.

Who sees our files?

Your PC or your cloud, and your own Google, OpenAI or Anthropic account. OpenAnalyst does not hold a copy.

What does Pro include?

All Pro features and Cloud are included in one ₹2,000/month subscription. Desktop app access remains free.

Start with your own files on free desktop.Free desktop for Windows and Mac. We set up your first workflow with you, free. Pro adds Cloud and all Pro features for ₹2,000/month.

Written by the OpenAnalyst team. The firm in the examples is illustrative; measured numbers from real firms are added as they are recorded.

Put AI on the WhatsApp your team already runs.

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OpenAnalyst AI Pvt. Ltd. · GSTIN 09AAFCO1076N1Z0