14 Sept 2026 · ECOMCA Team
What Is an Ecommerce CA? Why D2C and Marketplace Brands Need Specialised Accounting
A general practice CA can file your GST returns, close your books once a month, and sign off on your ROC filings on time. Most of them will do this competently. What a lot of them will not do is tell you why your Amazon payout for October was ₹4.1 lakh short of what your sales report shows, or why the input tax credit sitting in your electronic ledger does not match what you actually claimed. That gap is where an ecommerce CA earns the name.
Key takeaways
- An ecommerce CA (sometimes written as "e CA") is a Chartered Accountant or CA firm that has built its practice specifically around multi-channel and marketplace sellers, not a separate qualification recognised by ICAI.
- The core technical differences from general accounting are: order-level and settlement-level reconciliation, handling of Tax Collected at Source (TCS) deducted by ecommerce operators under Section 52 of the CGST Act, and SKU-level margin reporting instead of a single blended P&L.
- Marketplace payout reports rarely equal invoice value, because commission, shipping fees, RTO deductions and TCS are netted off before the money reaches your bank account.
- From 22 September 2025, GST rates were rationalised to a 0%/5%/18%/40% structure by the 56th GST Council meeting, changing input tax credit positions for many D2C product categories.
- A brand selling on three or more channels typically needs channel-wise books, not one combined ledger, to know its real contribution margin.
What does "ecommerce CA" actually mean
There is no separate ICAI category called "ecommerce CA." Every practising Chartered Accountant in India holds the same qualification and is bound by the same Code of Ethics. When the term is used on the internet, including on this site, it means a CA or CA firm whose practice, systems and staff are built around the specific accounting problems that come with selling through Amazon, Flipkart, Myntra, Nykaa, quick-commerce apps like Blinkit and Zepto, and a Shopify or WooCommerce-based D2C store, often all at once.
That specialisation matters because ecommerce generates a volume and shape of transactions that ordinary retail or services accounting was never built for. A brand selling ₹50 lakh a month across four channels can easily generate ten thousand individual order lines, each with its own commission rate, shipping fee, return possibility, and tax treatment. A general CA's workflow — bank statement in, ledger entries out, once a month — simply cannot capture that.
Where a general CA's process breaks down
Ask a general accountant to reconcile a single month of Amazon settlements against the books and watch what happens. The bank shows one lump credit. The Amazon "Payments" report shows dozens of line items: order payments, refunds, storage fees, advertising debits, and TCS deducted before payout. Unless someone maps every one of those line items to the right ledger head, the books either show a false profit (because fees got missed) or a false loss (because refunds got double-counted).
The same problem repeats, differently shaped, on every channel. COD orders on a D2C store settle days after the sale, minus a courier remittance fee, and a portion never arrives at all because of return-to-origin (RTO). Quick-commerce platforms operate on their own settlement calendars and deduct different fee structures again. None of these map cleanly onto a monthly bank statement.
The three things a specialised ecommerce CA actually does differently
1. Multi-channel settlement reconciliation, not bank reconciliation
A general CA reconciles the bank account. An ecommerce CA reconciles the settlement report first, then the bank. This means matching every order in the sales channel against the corresponding line in the marketplace's payment or settlement report, and only then tying the net figure to what hit the bank account. Done properly, this surfaces discrepancies — a marketplace charging a commission rate different from the one contracted, a fee applied twice, a TCS credit that does not match the operator's own return — while they are still correctable, not eighteen months later during a GST audit.
2. Marketplace TCS and TDS, handled as a distinct compliance stream
Ecommerce operators are required to collect tax at source under Section 52 of the Central Goods and Services Tax Act, 2017 on the net value of taxable supplies made through their platform, and to deposit it and report it in Form GSTR-8. The seller then claims this TCS credit in their electronic cash ledger and uses it to discharge output tax liability. If the seller's GSTR-1/GSTR-3B figures do not tie exactly to what the operator reported in GSTR-8, the credit does not auto-populate correctly, and the mismatch shows up as a notice, not as a phone call.
Separately, and this is a common source of confusion, there is a distinct deduction under income tax law that ecommerce operators make on payments to sellers. This is not the same as GST TCS, even though both are commonly shortened to "TCS" or "TDS" in conversation. The two operate under different statutes, are reported through different forms, and are reconciled against different credits — one against GST liability, the other against income tax liability for the tax year. A specialised ecommerce CA tracks both streams separately and reconciles each against the correct ledger; a general accountant frequently nets them into one number, which is where credits go missing.
On the GST rate side, the 56th GST Council meeting held on 3 September 2025 rationalised the rate structure with effect from 22 September 2025. The 12% and 28% slabs were withdrawn, leaving a structure of 0%, 5%, 18%, and 40%, with the 40% rate reserved for specified luxury and demerit goods. A brand whose product moved from 12% to 5% needs to check whether accumulated input tax credit on inputs taxed at the old, higher rate is still fully usable, because a rate cut on outward supply can leave credit stranded on the input side. This is a reconciliation exercise, not a one-line adjustment, and it needs to be done SKU by SKU where a catalogue spans multiple GST rates.
3. SKU-level and channel-level reporting instead of one blended P&L
This is the difference that shows up fastest in a founder's own numbers. A blended profit and loss statement tells you the business made ₹22 lakh gross profit last month. It does not tell you that the Amazon channel actually lost money after accounting for commission, storage fees, and a 19% RTO rate on one bestselling SKU, while the D2C store carried the whole business. An ecommerce CA builds the chart of accounts and reporting so that revenue, cost of goods sold, channel fees, and returns are tagged by channel and, where the catalogue is small enough, by SKU. That is the only way to see contribution margin by channel rather than guessing at it.
A worked example
Consider a skincare brand doing ₹40 lakh a month: ₹22 lakh on Amazon, ₹10 lakh on Flipkart, and ₹8 lakh direct-to-consumer through its own Shopify store.
| Channel | Gross sales | Commission + fees | Returns/RTO | Net contribution before overheads |
|---|---|---|---|---|
| Amazon | ₹22,00,000 | ₹4,40,000 (20%) | ₹3,08,000 (14% RTO/returns) | ₹14,52,000 |
| Flipkart | ₹10,00,000 | ₹1,80,000 (18%) | ₹1,00,000 (10%) | ₹7,20,000 |
| D2C (Shopify) | ₹8,00,000 | ₹56,000 (7% gateway + shipping) | ₹64,000 (8% COD RTO) | ₹6,80,000 |
Table: illustrative contribution figures for a multi-channel skincare brand, based on typical commission and RTO ranges used for explanatory purposes only. Actual figures depend on category, contract terms with each platform, and product-level return rates as reported in the brand's own settlement data.
Blended, the business looks like it is running at roughly 71% contribution margin. Split by channel, the D2C store is running at 85%, Flipkart at 72%, and Amazon at just under 66% once RTO is factored in properly rather than parked as a generic expense line. That thirteen-point spread between D2C and Amazon is invisible in a blended number and decides where the founder should be putting marketing budget next quarter.
What a D2C or marketplace brand should actually check
A brand crossing roughly ₹1 crore in annual revenue across two or more channels should be able to answer three questions from its own books within a day: what is the contribution margin by channel, does the GST TCS credit in the electronic cash ledger match GSTR-8 filed by each operator, and does the settlement report for the most recent payout reconcile to the bank credit down to the rupee. If any of those three takes more than a day to answer, or cannot be answered at all, the accounting system is behind the business, and that gap tends to widen, not narrow, as revenue grows.
Where this gets genuinely complicated
Multi-GSTIN operations, where a brand holds separate GST registrations across states for warehousing under schemes like Amazon's FBA or similar marketplace fulfilment programmes, add a further layer: stock transfers between own GSTINs, place-of-supply questions on marketplace-fulfilled orders, and e-way bill requirements that a single-state D2C business never has to think about. There is no single settled market practice for every edge case here, and treatment often depends on the specific fulfilment model and state-level administrative practice, which is one reason this area rewards ongoing attention rather than a one-time setup.
Frequently asked questions
Is "ecommerce CA" a recognised ICAI qualification? No. Every Chartered Accountant holds the same ICAI qualification. "Ecommerce CA" describes a practice specialisation — a firm whose systems, staff and processes are built around marketplace and D2C accounting — rather than a separate credential.
Why doesn't my marketplace payout match my sales report? Because the payout is a net figure after commission, shipping and packaging fees, advertising debits, refunds, and GST TCS are deducted. The gross sales figure in your dashboard reflects the order value before any of these deductions are applied.
What is the difference between GST TCS and income tax TDS on ecommerce sales? GST TCS is collected by the operator under Section 52 of the CGST Act, 2017, reported in Form GSTR-8, and claimed as a credit against GST liability. The income tax deduction on ecommerce payments is a separate provision under income tax law, reconciled against income tax liability for the tax year, not against GST. They must be tracked and reconciled separately.
How often should marketplace settlements be reconciled? Reconciliation is most useful when done every settlement cycle, which for most marketplaces is weekly or fortnightly, rather than once a month at bank reconciliation stage. Waiting until month-end makes it far harder to trace which specific order or fee caused a mismatch.
Do I need SKU-level reporting if I only sell on one channel? It is less urgent with one channel but still useful once a catalogue has more than a handful of SKUs with different margins, since a blended single-channel P&L can still hide a loss-making product inside an otherwise profitable range.
This post is for general information and does not constitute professional advice. It reflects the position of law as on 14 September 2026 and may not account for subsequent amendments, notifications or judicial developments. Tax and regulatory outcomes depend on the specific facts of each case. Readers should obtain advice appropriate to their own circumstances before acting on anything stated here.