Employee or Contractor? Understanding Sham Contracting

As businesses across Australia adopt more flexible and project-based ways of working, the line between employees and independent contractors has become increasingly complex.

In response, regulators including the Australian Taxation Office and the Fair Work Ombudsman have sharpened their focus on how businesses classify their workforce. One area receiving particular attention is sham contracting.

Understanding how regulators assess these arrangements is becoming increasingly important because the rules are more nuanced than many business owners realise.

Knowing whether someone should be classified as an employee or a contractor is not always obvious but regulators are now taking a harder look, so it's time to get clarity.

Understanding Sham Contracting

Sham contracting occurs when a worker is labelled as an independent contractor, even though the actual working relationship, how they are managed, paid, and integrated into the business, means they should be treated as an employee.

The Legal Reality: It's Not Optional

Under Australian employment law, misclassifying workers as contractors is a breach of the Fair Work Act. Regulators don't distinguish between deliberate avoidance and honest mistakes.

The law prohibits:

  • Falsely labeling an employee as a contractor without reasonable grounds

  • Using misleading information to convince someone to accept contractor status

  • Terminating and immediately re-engaging someone as a contractor to perform the same duties

Why Classification Matters and What Actually Determines It

Many business owners understand the general distinction between employees and contractors. However, in practice, the line isn’t always as clear-cut as it seems.

This is particularly true in situations that develop naturally over time, such as:

  • Long-term contractors who gradually take on responsibilities similar to employees

  • Individuals working full-time for one business, despite holding an ABN

  • Contractors using internal systems, processes, and working under structured supervision

  • Roles that evolve operationally, without the underlying agreement being formally updated

What often begins as a short-term or flexible arrangement can become more embedded in the business without a conscious reassessment of how that working relationship should be classified.

From a legal perspective, however, classification is not determined by what the contract says alone.

Courts assess the substance of the relationship, not just the label. This means looking at how the working arrangement operates in reality.

Indicators that point toward an employment relationship may include whether the individual:

  • Works set or predictable hours

  • Receives direction and supervision from management

  • Uses company equipment or internal systems

  • Is integrated into day-to-day operations

  • Is paid on a regular, structured basis

Which Industries Are Under Heightened Scrutiny?

Regulators have identified specific sectors where sham contracting issues are particularly common:

  • Building and construction

  • Road transport and freight

  • Cleaning services

  • Courier and delivery

  • Security services

  • IT and technology services

If your business operates in one of these areas, it's worth taking extra care with your contractor classifications. These sectors are getting more attention simply because the issues are more prevalent, and it’s where the complexity tends to arise. This means that if you're in one of these industries, regulators are more likely to audit your contractor arrangements.

The Data: In the 2024–25 financial year, the ATO received more than 7,000 inquiries related to building and construction, with approximately one-fifth specifically mentioning contractor classification concerns. For road freight alone, over 800 such inquiries came in, with roughly a quarter raising contractor questions.

How Regulators Identify Issues

Regulators now have significantly greater visibility over contractor arrangements, which is driving increased enforcement.

Taxable Payments Annual Reporting (TPAR) System

Every payment made to a contractor is logged through TPAR. The ATO systematically matches this information against:

  • Individual income tax returns

  • Australian Business Number registrations

  • Superannuation contribution records

  • Single Touch Payroll data

The Scale: During 2024–25, the ATO tracked nearly 185,000 businesses making contractor payments to more than 1.4 million individuals, representing approximately $507 billion in total payments.

What Patterns Trigger Attention?

The system identifies patterns that warrant review:

  • Single-source income: A contractor receiving nearly all earnings from one business (this is characteristic of employment relationships, not independent contracting)

  • ABN non-filers: Individuals with registered ABNs who don't file tax returns or report income (this might indicate undisclosed payments or misunderstanding of obligations)

  • Predictable payment patterns: Contractors receiving payments on consistent, regular intervals (typical of employment, not genuine independent work)

Penalties: Why This Matters Even If You're Acting in Good Faith

Fair Work Act Penalties

Category Maximum Penalty
Individuals $19,800
Businesses with fewer than 15 employees $99,000
Businesses with 15+ employees $495,000 or 3× underpayment

Additional ATO and Superannuation Penalties

Beyond Fair Work Act penalties, businesses with misclassified contractors also face:

  • PAYG withholding penalties for failing to deduct and remit tax

  • Super Guarantee Charge (SGC) – this is calculated differently and is often higher than the super that should have been paid. SGC consists of:

    • Super guarantee shortfall amount

    • Nominal interest

    • Administration fees

  • Additional super guarantee penalties of up to 200% of the SGC under the Superannuation Guarantee (Administration) Act 1992

Why These Stack: If you've misclassified a contractor for two years, you're not just facing one penalty. Fair Work might impose a penalty. The ATO might impose withholding penalties. The superannuation regulator might add SGC charges. It all compounds.

Seek Professional Advice

Whether you're an employer reviewing worker classifications or an employee questioning your status, professional guidance is essential.

For Businesses For Workers
Employment lawyers can audit your contractor arrangements and identify exposure Employment lawyers can assess whether your situation meets the legal definition of employment
Tax advisors and accountants understand the ATO's perspective and can flag risks Union representatives often provide free advice and can advocate on your behalf
Industry associations often provide resources and guidance specific to your sector Community legal centres offer low-cost or free advice for workers with genuine concerns
Professional advice now protects you later if issues emerge Fair Work Ombudsman provides free guidance even without a formal dispute

How we help

At Alexander Spencer, we work with employers who want certainty when it comes to worker classification.

We help by:

  • Reviewing contractor and employment arrangements through a practical, real-world lens

  • Identifying areas that commonly cause accidental non‑compliance

  • Clarifying super, payroll and reporting obligations

  • Helping businesses adjust structures without unnecessary disruption

  • Providing clear guidance that supports growth and compliance

Our role is to give you clarity and confidence, so staffing decisions don’t become regulatory surprises.


Sham contracting is now firmly on the regulatory radar. For businesses using contractors, the safest approach is not to assume. Early advice is almost always simpler, cheaper and less stressful than fixing problems after the fact.

This blog is for general informational purposes and is not legal or tax advice. Always seek professional advice for your specific situation. Information based on Australian Taxation Office and Fair Work Ombudsman releases from March 2026.

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