Sydney Small Business Accountants & Tax Agents
Take the stress out of BAS, GST, bookkeeping and tax returns. Adenix Accounting helps small businesses, sole traders, startups and individuals across Sydney stay compliant, organised and tax-ready, without confusing accounting jargon.
With flexible evening and weekend appointments, fixed-fee options and practical advice, we make it easier to manage your numbers and focus on growing your business.
Evening & Weekend Accounting Appointments Available
Running a business does not always fit neatly into office hours. That is why we offer flexible appointment times, including evenings and Saturdays, so you can speak with an accountant when it actually suits your schedule.
Meet with us in person at our Rockdale office or book a virtual consultation from anywhere in Sydney or across Australia.
Evening & Weekend Accounting Appointments Available
Accounting should make your life easier, not more stressful. At Adenix Accounting, we explain things clearly, help you stay compliant and look for practical ways to reduce tax where legally possible.
With over 18 years of experience supporting small businesses, startups, families and individuals across Sydney, we help you
Maximise Your Tax Deductions
We review your income, expenses and business structure carefully so you can claim the deductions you are legally entitled to.
Stay Compliant With BAS, GST and ATO Requirements
We help with BAS lodgements, GST reporting, tax returns and ATO communication, so deadlines do not become a last-minute panic.
Get Clear Advice Without Accounting Jargon
We explain your numbers in plain English so you understand what is happening in your business and what to do next.
Choose Predictable Fixed-Fee Accounting Packages
No confusing bills or hidden surprises. You can choose a fixed-fee package that suits your business needs.
Meet Online or In Person
Choose face-to-face support at our Rockdale office or virtual accounting appointments from anywhere in Sydney or across Australia.
Accounting Services for Small Businesses in Sydney
Whether you are starting a business, managing regular BAS lodgements or preparing your annual tax return, we provide accounting support that is practical, clear and tailored to your situation.

Small Business Tax, BAS & Bookkeeping Support
From BAS lodgements and GST reporting to bookkeeping, payroll and year-end tax planning, Adenix Accounting helps Sydney small businesses stay compliant, organised and tax-ready.
We make your numbers easier to understand, so you can make better business decisions without feeling overwhelmed by tax paperwork.
This section should go after your services section because it supports your main services and gives Google clearer keywords around BAS, GST, bookkeeping, payroll and small business tax.
Tax Accountants for Rockdale, St George & Greater Sydney
Adenix Accounting is based in Rockdale and works with clients across Sydney, including Kogarah, Brighton-Le-Sands, Hurstville, Wolli Creek, the St George area and the Sydney CBD.
You can visit us in person or book an online appointment if you prefer remote accounting support. Whether you are a local business owner, sole trader, investor or individual taxpayer, we can help you stay organised and compliant.
Meet Your Local Sydney Accounting Team
Behind every well-run business is a team keeping the books balanced, the tax deadlines under control and the numbers clear.
For over 18 years, Adenix Accounting has helped individuals and small businesses across Rockdale and greater Sydney with tax returns, BAS, bookkeeping, business accounting and ATO support.
We offer fast turnarounds, real human support and flexible appointments, including after-hours and weekends. Our goal is simple: to help you understand your tax position, stay compliant and plan ahead with confidence.

Trusted by Sydney Businesses: 136+ 5-Star Reviews
Adenix Accounting is proud to be trusted by local businesses, families, investors and individuals across Sydney.
Clients choose us because we are responsive, practical and easy to deal with, especially when tax, BAS or business accounting starts to feel overwhelming.
“They take the stress out of business tax and provide the best crypto accounting in Sydney.”
We’re proud to be the trusted partner keeping local businesses compliant and growing.
Accounting Tips & Tax Resources
Stay informed with practical tax, accounting and business resources written for Australian individuals and small business owners.
Frequently Asked Questions
How much does a small business accountant cost in Sydney?
The cost depends on your business structure, transaction volume, BAS requirements, bookkeeping needs and whether you need ongoing support or one-off tax help. Adenix Accounting offers fixed-fee options so you know what to expect before work begins.
Do you offer evening and weekend accounting appointments?
Yes. We offer flexible appointment times, including evenings and Saturdays, so you do not need to take time off work to speak with an accountant.
Can you help with BAS and GST?
Yes. We help small businesses with BAS lodgements, GST reporting, bookkeeping, payroll and ATO compliance.
Do you work with sole traders and startups?
Yes. We work with sole traders, startups, small businesses, companies, trusts and individuals across Sydney and Australia.
Can I meet online or do I need to visit the Rockdale office?
You can choose either. We offer in-person appointments at our Rockdale office and online consultations for clients who prefer virtual support.
Do you handle crypto tax returns?
Yes. We assist with crypto tax reporting, capital gains tax, Bitcoin, DeFi and digital asset record-keeping.
Contact Adenix Accounting Sydney
Ready to make your accounting easier? Contact Adenix Accounting to book a free consultation or speak with our team about your tax, BAS, bookkeeping or business accounting needs.