500+ CA firms trust Kosh

The audit OSfor India's CA firms.

Arya and Saathi handle 3CD clauses, GST reconciliation and client follow-ups — so your CA firm can focus on the work that matters.

How it works

How Arya runs a tax audit,
from plan to UDIN.

The TACT workflow your firm runs today, with Arya doing the heavy lifting and the audit trail building itself underneath.

CLAUSE 21Queued
CLAUSE 32Queued
CLAUSE 26Sharma Industries · FY 2025-26
Arya is drafting

TDS reconciliation plan

  1. 1Download Form 26AS for FY 2025-26
  2. 2Extract Tally TDS schedule, sections 192 / 194C / 194J / 194I
  3. 3Vendor-wise match against firm rate master
  4. 4Compose workpaper draft for Performer review
Estimated 18 minutesApprove plan

01

Plan the clause

Arya reads the ICAI Guidance Note and the firm Skills you have already encoded, then drafts the procedure list the auditor would have written by hand. Approve the plan and Arya gets to work.

Form 26AS
Tally schedule

Vendor reconciliation

2 flagged

Books vs Form 26AS, tolerance ₹500

Sharma Couriers194CMatched
NRC Auditors194JMatched
Krishna Steel194J₹234
Patel Hardware194I₹6,930
Workpaper Clause26_TDS_v3.xlsx₹6,930 at risk

02

Run the procedures

Tools pull TRACES, Tally, and the firm rate master. Matches are deterministic, not guessed. Exceptions are flagged with the rupee impact attached so the Performer can investigate the right ones first.

Sign-off chain

Clause 26 · Task 26.1.2
P
S
JL
RPA

Performer

Sneha

signed 2h ago

Supervisor

Priya

signed 1h ago

Job Leader

Rahul

editing

Partner

Rajesh

queued

Edit after review

Performer updated the conclusion. Supervisor and Job Leader need to re-sign.

03

Pass it up the chain

Performer to Supervisor to Job Leader to Partner. Every sign-off is logged. If a lower role edits after a higher review, the chain reopens automatically and the change is in the audit trail.

Beyond Form 3CD

The rest of what Kosh
runs for your firm.

TACT is the deep dive above. The other four modules below run the day-to-day work that eats your team's week.

Saathi · client comms, your firm's name

Arya drafts, the CA approves, Saathi sends via WhatsApp, email, or Teams under your firm's branding. The client never sees Kosh.

Arya · Tax Intelligence

Tally + Books
Scanning books
  • Section 40(a)(ia)

    TDS short-deducted on contractor payments

    ₹4.2L
  • Section 43B(h)

    MSME interest payable past 45 days

    ₹86K
  • Section 14A

    Exempt income disallowance under-reported

    ₹1.1L
3 findings · sorted by rupee exposure

Tax Intelligence · find the risk in the books

Arya reads the client ledgers and surfaces what is going to bite — Section, rupee impact, recommended action. Ranked by exposure, not page count.

Kosh · GST Reconciliation

GSTN · 2m ago
GSTR-2B
Purchase Register

Matched

0 / 248

INV-04382 · Sharma Steel · books only

₹12,400 ITC
Period: Oct-Dec 2025 · 248 invoices scanned

GST Reconciliation · ITC at risk, per invoice

GSTR-2B vs Purchase Register, every invoice matched or flagged. ITC at risk shown in rupees so the partner knows what to chase first.

Kosh · Bank Statement

PDF
  • Salary · HDFC NEFT

    -₹1,84,500

    Salaries payable98%
  • TCS Consulting · invoice

    -₹62,000

    Professional feesNeeds review
  • GST refund · CGST AC

    +₹38,720

    GST refund receivable98%
Parsed 412 of 412 transactions · 14 to review

Bank Statement Analysis · ledger-ready in minutes

Drop the PDF or Excel. Every transaction gets a ledger, a category, and a confidence score. The CA reviews the low-confidence ones and the rest are clean.

All five modules share one Arya, one audit log, one billing relationship.

Integrations

Works where your firm
already works.

Mandlik's office runs Microsoft 365 and SharePoint. The firm down the hall runs Google Workspace and Tally. Kosh fits both, natively, and lives inside the tools your team already opens.

  • Microsoft 365 native
  • Google Workspace ready
  • Tally, Winman, MCA portal connectors

Kosh

Outlook

Microsoft 365

SharePoint

Microsoft 365

Drive

Google Workspace

MCA

MCA portal

Tax & ROC

Gmail

Google Workspace

T

Tally

Tax & ROC

Made for Indian CA firms

Arya plugs into Tally and Zoho, drafts compliance work end-to-end, and delivers client messages through Saathi — under your firm's name, never Kosh.

Hi Arya, GSTR-2A doesn't match my books — flag the mismatches?
Found 7 mismatches in Q2 — preparing reconciliation now.
Total ITC at risk: ₹4.2L across 7 vendors.
Collaborative
intelligence
0 K
Daily messages via Saathi
Enrich 3CD clauses from raw Tally / Zoho data
Classify bank transactions to ledger — auto
Draft engagement letters in SA 210 format
Governance

Reliable, Safe, and Validated

0%
System uptime
0+
CA firms onboard
0h
Saved per week

Frequently
Asked
Questions

Everything you need to know about Kosh.

Talk to us

We orchestrate frontier models (Anthropic, OpenAI, Google) under role-based access, with a full audit trail and India-data-residency options.

GST reconciliation used to take two days. Arya does it in minutes.
Form 3CD in days, not weeks.
Bank statement auto-classification at 95% accuracy.
Kosh cut our 3CD turnaround from 3 weeks to 4 days.
Darius S.
Partner, Audit
Saathi handles all our client follow-ups. We just review and approve.
Melanie I.
CA Manager
Arya speaks every Indian language.
Role-based access mirrors our firm hierarchy.

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CA firms

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