Accurate And On-Time BAS Agent Online Services
Keeping up with BAS lodgements—whether monthly, quarterly, or annually—can be time-consuming and easy to overlook.
Our BAS agent online services are designed to take the pressure off. We ensure everything is accurate, submitted on time,
and fully compliant with ATO requirements.
Why Choose Petros Chartered Accountants For BAS Services?
BAS isn’t just a formality. Inaccurate lodgements or missed deadlines can lead to penalties or cash flow issues. We help you avoid that by making your BAS a smooth, manageable part of your business routine.
As a registered tax agent, Petros Chartered Accountants handles all aspects of your BAS services, including GST, PAYG, and Instalment Activity Statements (IAS)—so you can stay compliant without the stress.
How We Support You:
Timely Lodgements, Every Quarter
We handle your BAS from start to finish, including preparing your GST and PAYG figures and submitting directly through the ATO portal.
Clear BAS Reporting
We provide clear breakdowns of your liabilities, including GST collected and paid, PAYG instalments, and any other obligations.
Support With ATO Queries
If there are issues or reviews from the ATO, we’ll manage the communication on your behalf to help resolve them efficiently.
What Our BAS Services Cover
Whether your business lodges BAS monthly, quarterly, or annually, we ensure everything is prepared accurately, reviewed
for compliance, and lodged on time—so you don’t have to second-guess your reporting.
Our Services Include:
BAS Preparation & Lodgement
We prepare and lodge your Business Activity Statements—monthly, quarterly, or annually—covering GST, PAYG withholding, PAYG instalments, and any other obligations required by the ATO.
IAS Lodgements
For businesses required to report PAYG instalments or withholding outside the BAS cycle, we handle IAS preparation and on-time submission.
GST Reconciliation & Review
We review your GST figures each period to ensure accuracy before lodgement, checking for misallocations or inconsistencies.
PAYG Withholding
We calculate your PAYG obligations, manage lodgement, and offer guidance on varying instalments if needed for cash flow flexibility.
ATO Correspondence
If the ATO contacts you regarding your BAS or IAS, we’ll manage the communication, respond to queries, and make any necessary adjustments.
What Our Clients Say
Get In Touch With Petros Chartered Accountants
Submit the form and let us know how we can help you.
BAS That Works For Your Business
Every business has different reporting needs, depending on its size, structure, and turnover. We tailor our BAS agent online services to suit your setup—so your reporting stays accurate, consistent, and stress-free.
- We start by reviewing your current reporting setup.
- We ensure figures are accurate and backed by solid records.
- We lodge everything on time and give you full visibility over what’s been submitted.
Stay Compliant Without The Hassle
From GST and PAYG to ATO deadlines, we handle the details so you don’t have to. Our BAS agent online
services keep your reporting accurate and your business moving forward.
Why Choose Petros Chartered Accountants?
At Petros Chartered Accountants, we offer trusted BAS agent online services that help you stay compliant, organised,
and in control of your business finances—without the hassle.
Here’s How We Support You:
Download Your Free BAS Guide
Discover everything you need to know to handle Business Activity Statements (BAS) with confidence. This comprehensive guide covers essential details to help small business owners stay compliant and avoid penalties.
Our BAS Services Process
1
Free Discovery Call
Share your goals and challenges so we can understand your needs.
2
Custom Proposal
Receive a detailed plan with service recommendations, pricing, and timelines for a smooth transition.
3
Onboarding
We handle all the setup, accounting software integration, and compliance checks.
4
Ongoing Support
Regular financial reports and expert guidance to keep you on track.
Online BAS Services—Handled Right, Every Time
Using cloud-based tools, we make BAS lodgements easy and accessible, no matter where you’re located. You get clear reports, automated reminders, and reliable support—all from a local BAS agent you can trust.
Who We Serve
Our BAS agent online services are designed to support a wide range of businesses in Perth and across
Australia—from sole traders just starting out to established companies managing multiple entities.
Tradies & Construction
Retail & Hospitality
Professional Services
Sole Traders & Startups
And More
Serving Clients Across Perth and Nationwide
From our office in Marangaroo, we support trades, retailers, and professionals across Australia with dependable BAS
lodgements and support. Whether you’re doing it all yourself or working with a bookkeeper, we’ll keep your reporting on track.
Located At:
Marangaroo, WA 6064
We provide bas agent online services for clients across a wide range of industries—tailored to fit your reporting cycles and business structure.
- +61438943692
- info@petrosca.com.au
BAS Lodged On Time. No Guesswork. No Stress.
Whether you’re a sole trader or managing a growing team, we’ll take BAS off your plate—accurately and
efficiently, quarter after quarter.
FAQs
Still have some questions?
Let us know how we can help you.
A BAS agent is authorised to prepare and lodge BAS, IAS, and related reports with the ATO. We ensure your figures are accurate and submitted on time, helping you stay compliant with minimal hassle.
Yes. While software can track transactions, a registered Bookkeeping Services provider ensures your records are accurate—and a BAS agent checks those records before submitting them to the ATO.
Absolutely. We assist with late BAS lodgements, ATO payment arrangements, and reconciling past periods to get your records back on track. Contact us for support.
We can manage BAS across trusts, companies, and partnerships—ensuring each entity is lodged correctly.
If you’re on a monthly reporting cycle for PAYG instalments or withholding, you may need to lodge IAS. We’ll assess your obligations and take care of the details.
The ATO website offers guidance on BAS lodgement and obligations. Or speak to us directly—we’re happy to help.
Yes—our Australian Tax Services page outlines how we support individuals and businesses with tax returns, compliance, and planning year-round.
We do. Through our Business Advisory Services, we help clients manage growth, plan ahead, and make informed financial decisions.
A registered BAS agent is authorised to prepare and lodge Business Activity Statements (BAS), including GST, PAYG, and superannuation reporting. A registered tax agent can do all of that, plus lodge tax returns and provide broader tax advice. At Petros Chartered Accountants, we are registered to offer both BAS and Australian Tax Services—so you get full support either way.
It depends on your business size and GST turnover. Here’s a quick overview of BAS lodgement frequencies in Australia:
- Quarterly – Most common For businesses with a GST turnover under $20 million. Due: 28 days after each quarter ends (e.g., 28 April, 28 July).
- Monthly – For larger businesses or by ATO requirement Required if your GST turnover is $20 million or more, or if you opt in for cash flow benefits. Due: 21st of the following month.
- Annually – For small businesses voluntarily registered for GST Available to those with turnover under $75,000 (or $150,000 for not-for-profits). Usually lodged with your annual income tax return.
Need help figuring out your reporting cycle? Book a Free Consultation and we’ll take a look.
Blogs
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