eCommerce Accountant Adelaide | Tax, GST, Bookkeeping, and Business Advice
Shopify, Amazon, Etsy, eBay, or multi-channel, our Adelaide eCommerce accountants understand the GST obligations, income reconciliation, and tax treatment that come with selling online in Australia.
Accounting for Adelaide eCommerce Businesses at Every Stage
Selling online in Australia creates accounting complexity that most general accountants are not equipped to handle. Multiple income streams, platform fee deductions, inventory valuation, cross-border GST rules, and payment processor reconciliation all require specific knowledge that a generalist who primarily serves brick-and-mortar businesses simply does not have.
The Kalculators works with Adelaide online sellers from side-hustles generating their first taxable income through to established eCommerce businesses turning over several million dollars annually. Whether you sell on a single platform or across multiple channels, we know how your income is structured and what you can claim.
eCommerce Accounting for Every Type of Online Seller in Adelaide
Shopify, Amazon, Etsy, eBay, or multi-channel, the GST obligations, income reconciliation, and tax treatment are different for every platform. We know exactly how each one works.
Shopify & Platform Sellers
Shopify reconciliation, GST on local/international sales, COGS, inventory accounting, and fee deductions.
Amazon FBA Sellers
Account reconciliation, FBA fees, GST on sales, foreign income handling, storage costs, and refunds.
Etsy, eBay & Small Sellers
Hobby vs business rules, taxable income thresholds, GST registration, and platform fee reconciliation.
Dropshipping Businesses
Revenue recognition, GST on imports, supplier invoice handling, registration needs, and margin tracking.
Multi-Channel & Scaling eCommerce
Income consolidation, FX conversion, entity structuring, hiring, and scalable bookkeeping systems.
Our eCommerce Accounting Services for Adelaide Online Sellers
All services are available in person at our three Adelaide offices or entirely online. Monday to Friday, 9:00 am to 6:00 pm. The same qualified accountant manages your file from start to finish.
eCommerce Business Tax Returns
Shopify, Amazon, Etsy, eBay, WooCommerce, and TikTok Shop reconciled correctly. Foreign income treated at ATO-approved rates. Multi-platform sellers often have years of errors in both directions we fix them.
GST for eCommerce Businesses
Marketplace-collected GST, export sales, cross-border imports, and input tax credits all treated correctly on your quarterly BAS. Getting this wrong is one of the most common ATO triggers for online sellers.
eCommerce Bookkeeping and Platform Reconciliation
Xero Gold Partner connected directly to your Shopify store, Amazon seller account, and payment processors. Sales, fees, refunds, and payouts are imported automatically no end-of-year reconciliation backlog.
Inventory Accounting and Cost of Goods Sold
Cost of goods sold, landed cost including freight and duty, and inventory valuation matched to revenue correctly. Most e-commerce sellers overstate profits by ignoring COGS, and as a result, overpay taxes.
eCommerce Business Structure and Growth Advisory
Sole trader to company structure at the right time, not too early and not too late. We also assess R&D Tax Incentive eligibility for eCommerce businesses that have invested in proprietary technology or platform development.
Multi-Channel Income Consolidation
NDIS, government contract, or grant-funded online store, if your eCommerce business has a second revenue stream with its own reporting obligations, we consolidate everything into a single, accurate return.
What Our Clients Say (Real Adelaide Stories)
K. Brennan
Adelaide, Australia
I had been running an Amazon FBA business for three years and recording my deposits as income instead of gross sales. The Kalculators identified the issue, corrected all three years, and set up proper bookkeeping through Xero so it will never be a problem again. The review also found platform fees I had not been claiming. The amendments put money back in my pocket.
Platform-Specific Tax and GST Issues for Adelaide Online Sellers
Every eCommerce platform handles payments, fees, and GST differently. Here is what you need to know for the platforms most commonly used by Adelaide online sellers, and where the tax issues arise:
| Platform | Key tax and GST issues | ATO risk if handled wrong |
|---|---|---|
| Shopify | Gross sales are income, not net deposits. GST on Australian sales remitted via your BAS Shopify does not do this for you. | Under-reported income from using bank deposits instead of gross sales |
| Amazon FBA (Australia) | Amazon remits GST on AU marketplace sales. If you are also GST-registered, exclude this from your BAS to avoid double-counting. FBA and referral fees are deductible. | Incorrect GST treatment leading to overclaim or BAS error |
| Amazon FBA (US / UK) | Foreign store income is assessable in Australia, converted to AUD. US, UK, and EU sales taxes are separate from Australian GST. | Foreign income omitted from Australian tax return |
| Etsy | Etsy remits GST on AU sales from July 2021. Registered sellers must exclude Etsy-collected GST from their own BAS. | Reporting Etsy-collected GST as your own on BAS |
| eBay | GST is collected by the eBay marketplace. Payouts are net of fees, grossed up before reporting. Listing and final value fees are deductible. | Deducting fees that eBay already netted from payout |
| TikTok Shop | Collects GST on AU sales from 2025. Reconcile payouts and report gross revenue in your tax return. | New platform with limited ATO guidance, specialist advice recommended |
| WooCommerce / own website | No marketplace GST collection. If registered, you collect and remit GST on all taxable AU sales. Payment processor fees are deductible. | Missing BAS obligations if GST-registered |
| Dropshipping | Revenue is the full sale price, not the margin. Supplier cost is the cost of goods sold. GST and duty depend on the goods' value and origin. | Under-reporting revenue by recording only the margin, not the gross sales |
How The Kalculators Work With Adelaide eCommerce Sellers
Online sellers manage their businesses from laptops and phones, not offices. Our process is built around full remote delivery that fits your setup.
Flexible Online Booking
Book online at a time that works. Your accountant calls you at the chosen time. No travel, no waiting room.
Flexible Online Booking
Book online at a time that works. Your accountant calls you at the chosen time. No travel, no waiting room.
Secure Document Upload
We connect to your Shopify, Amazon, or other platform through Xero integrations where possible, or you share your platform reports and bank statements through our secure client portal.
Secure Document Upload
We connect to your Shopify, Amazon, or other platform through Xero integrations where possible, or you share your platform reports and bank statements through our secure client portal.
Expert Preparation & Review
We reconcile all income streams, calculate cost of goods sold, apply all deductions, and prepare your return. You review and approve before anything is lodged.
Expert Preparation & Review
We reconcile all income streams, calculate cost of goods sold, apply all deductions, and prepare your return. You review and approve before anything is lodged.
Year-Round Support
Year-round access. Before you launch a new sales channel, expand to a new market, hire your first employee, or make a significant technology investment, we are available to advise on the tax position.
Year-Round Support
Year-round access. Before you launch a new sales channel, expand to a new market, hire your first employee, or make a significant technology investment, we are available to advise on the tax position.
Why Adelaide eCommerce Sellers Choose The Kalculators
- IPA Practice of the Year SA & NT 2025 Institute of Public Accountants award for accounting excellence across South Australia
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- Registered Tax Practitioners Board firm returns and BAS lodged by registered tax agents, not admin staff
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- Xero Gold Partner connected to Shopify, Amazon, and major payment processors through direct Xero integrations
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- Platform-specific knowledge we understand how Shopify, Amazon FBA, Etsy, eBay, WooCommerce, and TikTok Shop each handle GST and payouts differently
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- Multi-channel income reconciliation if you sell across more than one platform, we consolidate everything into a single, accurate return
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- We do not outsource the accountant you speak to prepares your return and is available throughout the year
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- R&D tax incentive advice we assess technology and platform development investments for R&D eligibility, a benefit most eCommerce sellers never claim
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Trusted by Thousands Across South Australia
Our Branch Locations
Salisbury Branch
salisbury@thekalculators.com.au
182 Salisbury Highway, Salisbury, SA 5108
Frequently Asked Questions
Book a Free Consultation With an Adelaide eCommerce Accountant
Whether you are a Shopify seller lodging your first business tax return, an Amazon FBA seller unsure whether your GST position is correct, or an established multi-channel business ready to move to a proper accounting system, The Kalculators has the platform-specific knowledge and the team to get it right.
The first consultation is free. If we are not the right fit, we will tell you and point you in the right direction.
Contact our team today for a no-obligation consultation.
