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Employment Law: Common Mistakes Employers Make and How to Avoid Them

September 28, 2026  



Most breaches of employment law are not the work of bad bosses acting in bad faith. They are ordinary mistakes made by busy owners who assumed a handshake, a template, or a bit of common sense would be enough. 

The rules that govern the relationship between a business and its people are detailed, they change, and they apply whether or not an employer has read them. That gap between what owners think the rules are and what they actually require is where most trouble begins.

The encouraging part is that the same handful of mistakes come up over and over. Once you know what they are, they are surprisingly easy to avoid. A broader look at common employer mistakes shows just how repetitive these patterns tend to be across industries. 

What follows is a tour of the errors in employment law that most often land businesses in hot water, and the simple steps that keep you on the right side of the line.

Mistake One: Treating Contracts as an Afterthought

The most common error in employment law is starting someone on the job without a proper written agreement, or using a generic template that does not fit the role. A vague or missing contract leaves both sides guessing, and when a dispute arises, that uncertainty almost always favours the employee.

A good agreement sets out duties, pay, hours, leave, confidentiality, and what happens when the relationship ends. It is the foundation everything else rests on. The overview of the key elements every small business should include in its agreements is a useful starting point for getting this right.

Restraint clauses deserve particular care under employment law, because they are easy to draft badly and hard to enforce when they are. The discussion of the future of non-compete and no-poach clauses shows how much this area is shifting, and why yesterday’s template may not protect you tomorrow.

Mistake Two: Getting Worker Classification Wrong

Calling someone a contractor does not make them one. This is one of the most expensive misunderstandings in employment law, and it catches out businesses of every size. If a person works like an employee, they may well be one in the eyes of the law, regardless of the label on the invoice.

The consequences of getting it wrong are steep. A misclassified worker can be owed leave, superannuation, and other entitlements stretching back over the whole engagement. The safest approach is to look honestly at the substance of the relationship rather than the form, and to document the genuine basis for each arrangement from the start.

The same care applies to casuals, whose rights have expanded. Employers who treat classification as a formality rather than a question of employment law tend to discover the problem only when a claim arrives.

Mistake Three: Skipping a Fair Process at Termination

Ending someone’s employment is where good intentions most often collide with the law. Many employers believe that if they have a genuine reason, they can simply let a worker go. Employment law asks for more than a reason. It asks for a fair process.

That usually means warning an underperforming employee, giving them a real chance to improve, and allowing them to respond before any decision is made. Skipping these steps can turn a justified dismissal into a costly claim. The Fair Work Ombudsman’s guidance on unfair dismissal sets out what a defensible process looks like.

Documentation is the quiet hero here. An employer who can show a clear, consistent, well-recorded process is in a vastly stronger position than one relying on memory and good intentions when a dispute over employment law reaches a tribunal.

Mistake Four: Ignoring Pay and Award Obligations

Underpayment is one of the fastest ways for a business to find itself in serious trouble. The award system is complex, and many employers simply pay what feels fair rather than what the applicable award requires. Under employment law, feeling fair is not the same as being compliant.

Errors accumulate quietly. A wrong classification level, an overlooked penalty rate, or a misapplied allowance can build into a substantial back-payment liability over time. The exposure has grown as underpayment attracts criminal consequences in some circumstances, so the cost of carelessness is no longer just financial.

The fix is unglamorous but effective. Identify the correct award for each role, check pay against it regularly, and keep accurate records of hours worked. Businesses that treat payroll compliance as an ongoing task rather than a set-and-forget decision rarely fall foul of this part of employment law.

Mistake Five: Overlooking Health, Safety, and Wellbeing

Employers carry a duty to provide a safe workplace, and this obligation reaches further than many realise. It covers not just physical hazards but psychological safety, including the risks created by bullying, excessive workloads, and poor management.

Ignoring this duty is a serious gap in an employer’s approach to employment law. A workplace incident or a psychological injury claim can be devastating, both financially and reputationally. The framework set out in the model WHS laws explains the obligations employers carry and the standard they are held to.

The changing shape of work adds new dimensions. Expectations around availability outside working hours have shifted, and the guidance on the right to disconnect reflects how wellbeing has become a live compliance issue rather than a nice-to-have.

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Mistake Six: Mishandling Discrimination and Harassment Complaints

How a business responds to a complaint often matters as much as the underlying conduct. Employers who dismiss, delay, or retaliate against someone who raises a concern frequently turn a manageable situation into a legal crisis. This is one of the sharpest edges in employment law.

Every business needs a clear, accessible way for people to raise concerns, and a genuine commitment to investigating them fairly. The resources on workplace discrimination, harassment, and bullying set out what employers are expected to do, and the positive duty that now sits on businesses to prevent this conduct in the first place.

Getting this wrong is not just a compliance failure under employment law. It corrodes trust, drives good people away, and invites exactly the kind of claim that sound handling would have prevented.

Building a Workplace That Avoids These Traps

The businesses that stay out of trouble are not the ones with the biggest legal budgets. They are the ones that build good habits into how they operate every day. Clear contracts. Honest classification. Fair processes. Correct pay. A safe environment. A serious response to complaints. None of these is difficult in isolation.

Getting expert input early is far cheaper than fixing a problem after it has escalated. A firm like OpenLegal can help a business put the right foundations in place before a mistake becomes a claim. The mistakes that catch employers out are common and predictable, which also makes them avoidable with a little foresight.

It also helps to review these areas on a schedule rather than only when something goes wrong. Contracts drift out of date, awards are updated, and obligations evolve, so a business that checks its arrangements each year tends to catch small gaps before they widen into genuine exposure.

Treat compliance as part of running the business rather than an interruption to it, and most of these risks quietly disappear. That mindset, more than any single policy, is what keeps a business on the right side of employment law.

Frequently Asked Questions (FAQs)

1. Do I Really Need Written Contracts for Every Employee?

Yes. A written agreement protects both sides by making expectations clear and reducing the room for disputes later. Even for casual or part-time roles, a proper contract sets out pay, duties, and what happens when the arrangement ends. Relying on verbal agreements or generic templates is one of the easiest ways to create avoidable problems.

2. How Do I Know Which Award Applies to My Staff?

Awards are generally set by industry and occupation, and many roles are covered by one whether the employer realises it or not. The safest approach is to check the relevant award for each position rather than assuming none applies. Where the position is unclear, professional advice can prevent a costly misclassification and the back-payments that follow.

3. What Should I Do the Moment an Employee Raises a Complaint?

Take it seriously, acknowledge it promptly, and avoid any response that could look like retaliation. Investigate fairly, keep the process confidential where possible, and document each step. A calm, structured response often resolves the issue and demonstrates that the business met its obligations, which matters greatly if the matter is ever examined.

4. Can I Enforce a Non-Compete Clause After Someone Leaves?

Sometimes, but not always. These clauses are only enforceable to the extent they reasonably protect a legitimate business interest, and overly broad restraints are frequently struck down. The area is shifting, so a clause that once seemed safe may not hold up. Tailored drafting and current advice give a restraint its best chance of being upheld.

5. How Long Should a Business Keep Employee Records?

Employers must keep certain employee records for a set minimum period, and time and wage records in particular need to be retained and produced if requested. 

Good record-keeping is not just administrative housekeeping, it is often the evidence that protects a business when a dispute arises. Keeping thorough, accurate records is one of the simplest ways to stay compliant with employment law.