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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.

See our 2026 Cost Guide

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 Accounting

From bookkeeping and payroll to BAS lodgements and tax planning, we help keep your business finances organised and compliant.

Startup Accounting

Starting a new business? We can help with business structure advice, ABN and GST registration, cash flow planning and tax setup from the beginning.

Business Tax Returns

We prepare and lodge company, partnership, trust and sole trader tax returns, helping you stay compliant while reviewing possible tax deductions.

Individual Tax Returns

Need help with your personal tax return? We prepare accurate individual tax returns for employees, investors, sole traders and clients with more complex income.

SMSF Accounting

We assist with self-managed super fund accounting, compliance and tax obligations, including SMSFs that invest in property, shares or other assets.

Crypto Tax Accounting

We help with crypto tax reporting, Bitcoin, DeFi, capital gains tax and record-keeping for investors, traders and businesses dealing with digital assets.

Business Advisory

Get practical advice to improve cash flow, reduce tax risk, plan for growth and make better financial decisions throughout the year.

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.

Adenix Accounting team in Rockdale, Sydney — group photo.webp

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.

2026 Accounting Fee Guide

Understand how much accountants charge in Sydney and what can affect the cost of your tax or business accounting service.

Tax Calculator Australia

Use our tax calculator to estimate your income tax and understand your take-home pay more clearly.

Accounting & Tax Blog

Read our latest articles on small business tax, deductions, BAS, bookkeeping, crypto tax and financial planning.

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.

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