Ecommerce accounting is not bookkeeping with a nicer name. It is the full financial operating system of an online business — the one that tells you whether you are profitable on a per-product basis, whether you owe tax in a jurisdiction you have never visited, whether your inventory is actually generating returns, and whether the marketplace payout that just hit your bank account matches the fees deducted at source. Get it right and the business becomes controllable. Get it wrong and you discover at tax season that a year of growth came with a year of unrecognised losses.

Running an online store is one thing. Keeping its books in order is another problem entirely — especially when you sell on multiple platforms. Every marketplace pays you on a different schedule, deducts its own fees in its own format, and sends payout reports that rarely match what your accounting software expects. A single order on Shopee might involve a commission fee, a payment processing fee, a shipping subsidy, and a buyer voucher deduction, all netted into one payout line item days later. Multiply that across Lazada, TikTok Shop, Amazon, and your own Shopify store, and you have a reconciliation puzzle that most small sellers simply ignore — until tax season arrives.