The Structure Trap: Why Your Business Entity Is Costing You Thousands
Updated:
July 18, 2025
7 min read
The Structure Trap: Why Your Business Entity Is Costing You Thousands (AU Focus)
Most Australian eCommerce founders choose their business structure the same way they choose their morning coffee-fast, familiar, and without much thought. Sole trader because the accountant suggested it. Proprietary limited company because it sounds professional. Trust structure because someone at a networking event mentioned tax benefits.
That casual decision costs Australian businesses millions in unnecessary taxes, liability exposure, and missed growth opportunities every year. In 2025, getting structure wrong isn't just expensive-it's potentially fatal.
Having a solid tax planning strategy is what separates thriving businesses from those constantly stressed about tax season. But tax planning starts with structure. Get structure wrong, and no amount of clever deductions will save you.
The Four Structures and Their Hidden Costs
Sole Trader: The Simplicity Trap
Sole trader structure appeals to early-stage founders because it's simple. No separate tax returns. No ASIC fees. Minimal compliance.
The hidden costs emerge at scale:
Personal Liability: Every business debt, every product liability claim, every contract dispute attaches personally to you. One bad customer experience that escalates to litigation can cost you your house.
Tax Inefficiency: All business profit flows through to personal income at marginal rates. An eCommerce business generating $200,000 profit faces roughly $60,000+ in personal tax. The same profit in a company structure faces approximately $50,000 in company tax (at 25% small business rate), with flexibility on when and how profits are distributed.
Sale Limitations: You cannot sell a sole trader business cleanly. You're selling assets, not equity. Sophisticated buyers discount accordingly.
No Income Splitting: Every dollar of profit is your income. No ability to distribute to lower-taxed family members (through appropriate structures).
When Sole Trader Makes Sense: Testing a business concept with <$75K annual revenue and minimal liability exposure. The moment you exceed this, restructure.
Company (Pty Ltd): The Perceived Professional Choice
Proprietary limited companies offer liability protection and perceived professionalism. They also come with obligations founders underestimate.
ASIC Compliance: Annual review fees, director duties, public disclosure of directors. Failure to comply generates penalties.
Tax Complexity: Companies file separate tax returns. Profit extraction requires salary (taxed as income), dividends (franked or unfranked), or director loans (Division 7A nightmare).
Division 7A Traps: Taking money from your company without proper documentation creates deemed dividends with punitive tax treatment. Many eCommerce business owners underestimate how their tax obligations differ from traditional brick-and-mortar stores. Division 7A catches the unwary constantly.
When Company Makes Sense: Businesses with $200K+ annual profit seeking liability protection and willing to maintain compliance. Also essential when seeking external investment-investors want company shares, not trust units or partnership interests.
Trust Structures: The Tax Planning Swiss Army Knife
Discretionary trusts (family trusts) offer maximum flexibility for tax planning in Australian context. They also create maximum complexity.
Distribution Flexibility: Each year, the trustee decides how to distribute income among beneficiaries. A family with members in different tax brackets can optimize by directing income to lower-taxed members.
Asset Protection: Trust assets are held for beneficiaries, not owned by any individual. This creates a layer of protection from personal creditors.
Complex Setup: Trusts require a settlor, trustee (often a corporate trustee, adding another entity), and beneficiaries. Multiple documents. Multiple tax returns. Multiple sets of records.
PSI Rules: If your business is primarily you selling your personal services, the Personal Services Income (PSI) rules can override trust distribution flexibility. Many consultancies and service businesses trip over this.
When Trust Makes Sense: Established businesses with multiple family members, seeking asset protection and distribution flexibility. Generally inappropriate for businesses seeking venture capital (investors don't want trust complexity).
Hybrid Structures: The Growth Architecture
Most scaling eCommerce businesses ultimately adopt hybrid structures:
Trading Company + Family Trust: The company operates the business, limiting liability. The trust owns shares in the company, providing distribution flexibility when dividends are paid.
Bucket Company: A second company that receives trust distributions, paying company tax rate (25-30%) instead of top marginal rates. Useful when trust beneficiaries can't absorb distributions at favorable rates.
These structures require professional setup and ongoing maintenance. They also save substantial tax for businesses generating $300K+ in annual profit.
The Structure Transition Framework
Changing structure isn't a casual decision. Each transition has costs:
Sole Trader → Company
Process: Establish company, transfer business assets, change registrations (ABN, GST, licenses)
Tax Implications: Asset transfer may trigger CGT events. Stock transfer affects cost base. Careful timing required.
Cost: $3,000-$10,000 including legal, accounting, and registration
Timing Signal: Annual profit approaching $150K; significant inventory or liability exposure; seeking external capital
Company → Trust + Company
Process: Establish family trust, transfer company shares to trust (or establish new trading company owned by trust)
Tax Implications: Share transfers potentially trigger CGT. Stamp duty applies in some states. Division 7A considerations if existing company has retained earnings.
Cost: $5,000-$20,000 depending on complexity
Timing Signal: Annual profit exceeding $250K with family members who could receive distributions; asset protection concerns; succession planning
Any Structure → IPO-Ready
Process: Clean up cap table, ensure single corporate entity structure, eliminate unusual arrangements
Tax Implications: May require significant restructuring with tax consequences
Cost: $50,000-$200,000 for transaction-ready structure
Timing Signal: Serious acquisition interest or IPO pathway
GST and Structure Considerations
You are required to register for GST once your business turnover reaches $75,000 per year. Below this threshold, registering is optional.
Structure affects GST administration:
Group Registration: Related companies can form a GST group, simplifying reporting for inter-company transactions.
Trust Complications: Trusts with corporate trustees create separate GST registrations for trust and trustee company.
Timing: GST registration often triggers the formality upgrade from sole trader to company-it's a natural transition point.
The Multi-State Complication
Australian eCommerce businesses selling nationally face payroll tax thresholds that vary by state. Structure can help manage this:
Single Entity: Aggregate wages across all states. Exceed threshold in one state, potentially liable in all.
Multiple Entities: Separate trading companies for different functions can manage payroll tax exposure-but the ATO groups related entities for many purposes.
Professional advice essential for businesses with employees in multiple states or exceeding $1M in annual wages.
International Expansion and Structure
Selling internationally from Australia creates structure considerations:
GST on Exports: Exports are generally GST-free, creating input tax credit advantages
Foreign Income: Company structures simplify foreign income reporting
Transfer Pricing: Related party transactions between Australian and foreign entities face scrutiny
Australian law does not require that platforms issue tax invoices for sales where the EDP operator must collect GST. But operating through marketplaces versus direct sales affects structure decisions.
The Annual Structure Review
Structure decisions aren't permanent. Annual reviews should assess:
1. Tax Efficiency: Is current structure optimizing tax position given current profit levels?
2. Liability Exposure: Has business risk profile changed? New products, larger inventory, more customers = more exposure.
3. Growth Trajectory: Is current structure compatible with likely capital needs in 12-24 months?
4. Succession Planning: Does current structure facilitate eventual exit or transfer?
5. Compliance Burden: Is structure complexity justified by benefits delivered?
The Structure Decision Matrix
Revenue Band | Profit Profile | Recommended Structure |
|---|---|---|
<$75K | Testing concept | Sole Trader |
$75K-$200K | Validating model | Pty Ltd Company |
$200K-$500K | Scaling operations | Pty Ltd + potential Family Trust |
$500K-$2M | Established growth | Family Trust + Trading Company |
$2M+ | Mature/expansion | Professional advice on optimal structure |
These are guidelines, not rules. Individual circumstances-family situation, risk tolerance, exit timeline-affect optimal structure.
The Restructure ROI Calculation
Before restructuring, calculate the ROI:
Costs:
Legal and accounting fees
Registration and government fees
Management time and distraction
Potential stamp duty
Benefits:
Annual tax savings (calculate specifically)
Reduced liability exposure (value judgement)
Improved exit positioning (future value)
Distribution flexibility (family tax optimization)
Restructure when benefits exceed costs by 3x or more within 3 years.
From 1 July 2016 to 30 June 2025, the ATO Tax Avoidance Taskforce has helped secure around $25.1 billion in additional tax revenue. Aggressive structures attract scrutiny. Legitimate structures with substance and purpose remain defensible. Know the difference.
The right structure isn't the one that minimizes this year's tax bill. It's the one that optimizes across tax efficiency, liability protection, growth capability, and compliance burden over the business lifecycle.
Get professional advice. Get it early. Get it updated regularly. Structure decisions compound-for better or worse.



