Is Your Bookkeeper a Registered BAS Agent?

I still get surprised — and honestly, a bit concerned — when I hear about businesses using unqualified people to do their bookkeeping and BAS lodgements.

Sometimes it's admin staff. Sometimes it's sales staff who got stuck with the books. Sometimes it's "the neighbour's cousin's best mate who's good with spreadsheets."

It's always the same reasoning: "We don't have the budget," or "It's just basic bookkeeping," or "They're picking it up as they go."

I get the budget concern. But the risk is real, and the costs of getting it wrong almost always exceed what you saved by going cheap.

What "registered BAS agent" actually means

A Registered BAS Agent is someone who:

• Has met formal qualifications and training requirements (usually a tertiary qualification in accounting, bookkeeping, or taxation)
• Is registered with the ATO to lodge BAS and other tax documents on behalf of clients
• Is required to maintain ongoing professional development and training
• Has professional indemnity insurance (so if they mess up, you have recourse)
• Is bound by a Code of Professional Conduct
• Can lodge BAS with extended due dates (you get an extra 7 days compared to self-lodgement)

It's not something you can just decide to do. You can't wake up one morning and declare you're doing bookkeeping. There's actual gatekeeping.

An unqualified person — admin staff, spreadsheet enthusiasts, or someone learning on the job — has none of these things. They're not registered. They don't have insurance. They're not bound by conduct rules. If they lodge an incorrect BAS, the responsibility falls entirely on you.

The risks of unqualified bookkeeping

What happens when an unqualified person does your bookkeeping, makes mistakes, and then the ATO comes asking questions?

Incorrect BAS lodgements

A BAS has multiple fields: GST liability, PAYG withholding, various work-related taxes. Each field has rules about when it's required, how it's calculated, and how it's reported.

An unqualified bookkeeper might lodge a BAS that understates your GST by thousands, or forget to include PAYG withholding, or misreport your entitlements. The ATO then issues a Notice of Assessment for the difference — plus interest, plus penalties.

Missing lodgements

If your BAS isn't lodged by the due date, the ATO applies a Failure to Lodge penalty. The longer you're late, the more it costs. An unqualified person might not even know when the deadlines are, or how to actually submit.

Audit exposure

Messy, inconsistent, or incorrect bookkeeping raises audit flags. The ATO is more likely to look into you. When they do, they often find more problems — problems an unqualified person wouldn't have caught.

I've seen businesses get audited, and the auditor goes back three or five years because the books look suspicious. That's months of ATO correspondence, thousands in accounting fees to fix the mess, and significant stress.

Compliance with other obligations

Bookkeeping isn't just BAS. It's also:

• Correctly tracking super contributions and STP submissions
• Managing GST-exempt and GST-free items correctly
• Tracking capital purchases and depreciation
• Maintaining audit-ready records

An unqualified person will likely miss nuances in all of these areas. The cumulative effect is messy books that cost you when it matters.

What "cheap" actually costs

An unqualified bookkeeper might cost you $100–200 a week. A registered bookkeeper might cost you $300–500 a week (or more).

But here's the math:

• You save $200/week × 52 weeks = $10,400 per year
• One audit because your books look messy = $5,000–10,000 in accounting fees to fix
• Unpaid GST penalties, interest on an under-lodged BAS = $3,000–20,000+
• Stress, time, and lost opportunity while dealing with ATO correspondence = priceless

That $10,400 saving evaporates in one audit. And you don't even know if an audit is coming until it's too late.

What you should look for in a bookkeeper

Registration

Are they registered as a BAS agent with the ATO? Check the register. If they're not, be wary. It might be fine (some bookkeepers focus on accounts-only work), but if you need BAS lodged, they need to be registered or work under someone who is.

Qualifications

What credentials do they have? Look for:

• Diploma or Advanced Diploma in Accounting/Bookkeeping
• CPA or CA association memberships
• Formal training in current bookkeeping software (Xero, MYOB, etc.)

Insurance

Do they have professional indemnity insurance? If they make an error, this protects you.

Ongoing training

Tax law changes every year. Are they keeping up? Do they mention updates to tax rules, changes to reporting requirements? Or do they seem to do the same thing year after year?

References

Can they give you references from other business owners? Talk to them. Ask: "Have they ever lodged an incorrect BAS? Have they met deadlines? Are they responsive?"

What to do if you've already hired someone unqualified

If you've got admin staff or someone unqualified doing your books:

1. Have a conversation. This isn't about blame. It's about risk management. Explain that BAS lodgement and compliance need professional oversight.
2. Bring in a registered bookkeeper or accountant for a health check. Get them to review what's been done so far. Are there obvious errors? Missing lodgements? Anything that needs fixing?
3. Set up a proper system going forward. If the person stays on, they should work under the supervision of a registered practitioner who's responsible for the quality.
4. Don't let "we've always done it this way" be an excuse. Regulatory standards exist for a reason. Getting on the right side of them now is easier than fixing it during an audit.

The peace of mind factor

Here's something that doesn't show up on a cost comparison spreadsheet: peace of mind.

When your bookkeeper is a qualified, registered professional with insurance and a Code of Professional Conduct, you know your BAS is being lodged correctly. You know your books are compliant. You know that if an audit comes, your books will stand up.

That peace of mind isn't free — it costs something. But it's worth it. And honestly? The way I see it, it's not actually more expensive. It's an investment that pays for itself by preventing disasters.

Common questions