When you’re running a small business in NSW, every dollar and every hour count. Managing sales, staff, and customers is already a full-time job, and then there’s payroll. Between Single Touch Payroll (STP) reporting, super payments, and BAS deadlines, handling payroll can quickly eat into your week.

The question is: Should you keep payroll in-house or outsource it?

Both options have pros and cons, and the right choice depends on your stage of business, your cash flow, and the amount of time you can realistically dedicate to payroll each month. Let’s break down the real costs, risks, and value behind payroll outsourcing versus DIY, so you can make an informed decision that works for your business.

What payroll management really involves

Payroll might seem straightforward: pay staff on time, withhold tax, and report to the ATO. But in practice, it involves a lot more:

  • Calculating wages, superannuation, and leave entitlements
  • Processing new starters, terminations, and pay adjustments
  • Staying up to date with Fair Work changes and tax rates
  • Handling Single Touch Payroll (STP) submissions
  • Managing PAYG, super guarantee, and BAS requirements
  • Keeping digital records for at least five years

Each step carries compliance requirements, and a single missed payment or reporting error can lead to ATO penalties or employee disputes. That’s where many small business owners start to wonder whether outsourcing might be the smarter move.

Option 1: DIY payroll, what it really costs

Doing payroll yourself might seem like the cheaper choice at first. You’re saving on service fees, and software like Xero, MYOB, or QuickBooks makes payroll accessible for small business owners.

Upfront costs:

  • Software subscriptions: around $60–$120/month for Xero or MYOB with payroll features
  • Add-ons: Super clearing house, STP lodgment, or timesheet integrations may cost extra
  • Training: If you’re not confident in payroll, you might spend hours learning rules or hiring a consultant to check your work

Hidden costs and risks:

  1. Time — If you spend 5–6 hours a fortnight processing payroll, that’s time you’re not spending on clients, growth, or operations.
  2. Compliance risk — A missed STP report or miscalculated super can trigger penalties. For example, the ATO can fine up to $313 per employee, per reporting period for late STP lodgments.
  3. Errors — Simple mistakes like coding allowances incorrectly or missing leave loading can add up fast, especially during audits.
  4. Stress — Payroll isn’t forgiving. One missed deadline or wrong payment can lead to staff frustration and administrative chaos.

When DIY makes sense

DIY payroll works for very small businesses or sole traders with one or two employees. If your payroll is simple, transactions are minimal, and you enjoy handling the details yourself, it can be a good short-term option. But once your team grows or you start offering varying pay rates, allowances, or overtime, DIY can quickly become overwhelming.

Option 2: Outsourced payroll, what you really get

Outsourcing payroll means engaging a bookkeeping or accounting professional to manage your pay runs, STP lodgments, and payroll compliance for you.

Instead of juggling deadlines and spreadsheets, you simply provide staff hours or timesheets, and everything else, from payslips to BAS reports, is taken care of.

What’s typically included:

  • Payroll setup and onboarding
  • Ongoing pay run processing
  • STP and superannuation reporting
  • Leave and entitlement tracking
  • Year-end summaries and reconciliations
  • BAS and PAYG integration
  • Liaison with the ATO if issues arise

Average costs for NSW small businesses:

  • Per employee: around $8–$15 per pay run
  • Monthly retainer: around $200–$500 for small teams (depending on pay frequency and complexity)
  • Combined bookkeeping & payroll packages: usually range from $400–$800/month

On the surface, outsourcing may appear more expensive. But when you factor in time savings, reduced risk, and accuracy, the total cost of ownership often tilts in favour of outsourcing.

Comparing the total cost of ownership (TCO)

Cost Factor DIY Payroll Outsourced Payroll
Software subscription $60–$120/month Usually included
Training and upkeep 4–6 hrs/month None
Compliance monitoring Self-managed Handled by BAS agents
STP lodgments Manual Automated
Risk of penalties High if delayed or incorrect Very low
Time spent 5–10 hrs/month Less than 1 hr
Total cost (including time) $500–$800/month (time + tools) $300–$600/month (flat fee)

When you consider the value of your time, outsourcing is often the more cost-effective choice. Even if you save just five hours a fortnight, that’s ten hours per month, time you could spend generating revenue, training staff, or building customer relationships.

The compliance factor: why accuracy matters

Payroll isn’t just about paying wages; it’s about following Australian laws that change frequently. NSW small businesses must comply with:

  • Single Touch Payroll (STP) Phase 2 — now mandatory for all employers
  • Fair Work Award rates — including penalty rates, overtime, and allowances
  • Super Guarantee — currently 12% (as of July 2025)
  • BAS and PAYG reporting — for ATO compliance
  • Leave accruals and entitlements under the National Employment Standards

Each of these areas has its own deadlines and data requirements. Missing a step, like late STP reporting or underpaying super, can trigger financial penalties and ATO follow-ups.

Outsourced payroll providers (especially registered BAS agents) are trained to stay across these changes. They know exactly when reports are due and how to prepare them correctly, saving you both stress and potential fines.

Real-world risks of payroll errors

Let’s say you accidentally miscalculate one employee’s superannuation for six months. That might seem minor, but here’s how it can snowball:

  • You’ll owe the shortfall plus interest and administration fees
  • The ATO may impose penalties of up to 200% for repeated errors
  • You’ll need to lodge Super Guarantee Charge statements, which take time and money
  • You risk damaging trust with your team

And that’s just one example. Outsourcing reduces these risks by introducing checks and balances, so every pay run is verified and lodged correctly.

Technology and integration benefits

Modern outsourced payroll services often integrate directly with your existing software, such as Xero, MYOB, or QuickBooks. This means:

  • Payroll data automatically syncs with your accounts
  • BAS figures and payroll journals are updated instantly
  • You get real-time visibility into wages, super, and tax liabilities

For businesses using Xero bookkeeping packages, outsourcing payroll ensures your STP, super, and bank reconciliations are all handled within the same workflow, no double handling, no missed steps.

Internal payroll vs external payroll

A common hesitation among small business owners is losing control. Many think outsourcing means handing over too much responsibility. But in practice, you remain the decision-maker, you approve pay runs, receive reports, and can access your payroll data anytime.

The difference is, you’re no longer burdened by the mechanics. You’re managing from a strategic level, not a transactional one.

With internal payroll, you’re responsible for every step, from software updates to ATO compliance. With external payroll, you’re supported by professionals who handle the details while keeping you informed.

How to decide what’s best for your business

Here’s a quick way to evaluate whether payroll outsourcing makes sense for your business right now:

Question If Yes… If No…
Do you have more than 3 employees? Consider outsourcing; complexity increases quickly. DIY may still be manageable.
Do you struggle with BAS, STP, or super deadlines? Outsourcing ensures compliance and accuracy. DIY may be fine if you’re confident.
Do you spend over 5 hours/month on payroll? Outsourcing can reclaim your time. Keep DIY if it’s only taking a short while.
Do payroll errors or late lodgments stress you out? Outsourcing removes that risk. If not, you might stay in-house for now.
Are you planning to grow your team? Outsourcing scales easily as you hire. DIY might suit for now, but prepare to shift later.

Most NSW small businesses reach a tipping point around the 3–5 employee mark. That’s usually when DIY starts to cost more in time and risk than outsourcing ever would.

The bottom line

When you factor in time, compliance, and peace of mind, outsourcing payroll often costs less than DIY in the long run. You’re not just paying for data entry; you’re paying for accuracy, accountability, and confidence that your staff and the ATO are always looked after.

And for small business owners who wear multiple hats, that’s worth more than the monthly fee.

Getting payroll sorted once and for all

If you’ve been juggling payroll between late nights and coffee breaks, it might be time to simplify things. With professional support, you can make payroll effortless, accurate, compliant, and completely off your plate.

At Accounts All Sorted, we help NSW small businesses streamline their payroll with transparent pricing, tailored bookkeeping packages, and expert BAS agent support. Whether you’re just starting or managing a growing team, we’ll ensure your payroll runs smoothly, your reports are on time, and your ATO obligations stay stress-free.

Talk To Us Today