As of 1 October 2015 Online Accounting and Taxation Solutions has changed name to Affinitas Accounting, you have now been redirected to the new page.

Bookkeeping and tax returns for construction and trade businesses? You've come to the right place!

With Affinitas, your accounting and bookkeeping services will be handled by a specialist who understands the specific needs of tradies. We know to support you in your business you need to focus on what you do best.

Whether you aren’t confident with your numbers or simply don’t have the time to keep on top of your accounts, Affinitas Tax Accountant can provide you with the back-office support you need to focus on what you do best. We aim to save you time and money by making sure all your accounting needs are taken care of in one place, freeing up your valuable resources to manage your business.

Construction & Trade Business Accounting

How We Can Help Your Business

We understand busy tradies don’t have the time to run their own accounts. At Affinitas Accounting, we can provide bookkeeping, tax and accounting services to trade businesses of all sizes.


bookkeeping services

We can do all or part of your bookkeeping, including running reports on income & expenses, bank reconciliations and GST.


tax services

We can lodge all your returns, keeping you up-to-date with the status of any refunds or outflows.


business growth

We can help you set up your business for success by providing support to help you grow.

How We Can Help Grow Your Trade Business

As tradie tax accountants, we know how to support you in your business. We pride ourselves on delivering expert level industry-specific advice to our clients. If you are in the trade industry, you need to have an adviser that really understands the needs of the industry. We can assist with your accounting software, taxation advice or preparing cash flow projections. Whatever your needs, we will tailor our services to support you and your business.

How We Can Help

What You Can Expect

Developing a relationship with our clients is the heart of our business. We take time to understand your business so we can provide strategies and solutions that meet your needs now and into the future.


expert specialists

We are experts when it comes to accounting for investment properties and can ensure that you receive the best advice and service when it comes to your tax returns.


timely communication

We know that good communication is key to a successful business relationship. That’s why we always communicate with our clients in a timely manner, every time.


fixed pricing

You’ll never be surprised by an unexpected tax bill when you work with Affinitas Accounting. We provide our clients with fixed pricing for all of their investment property tax needs.


free advice

We pride ourselves on our ability to give our clients excellent advice when it comes to their investment property taxes. We want you to make the most of your tax situation.

Customers Testimonials

Why People Love Working With Us

Choosing which accounting service to use is not an easy decision. For this reason, many rely on the experience others have had. We’ve proven over the years that we can provide unparalleled accounting services at fixed prices – no surprises!

Not sure if we’re the accounting firm for you? Here’s what our customers have to say:

Discover & Learn

Trade Business Articles

First time property investor looking to wrap your head around your tax reporting requirements? Learn here.

For more help with tax, accounting, finance, and loan advice for your construction, plumbing, electrical, landscaping, tiling, or other trades business, contact the friendly and experienced Affinitas team. You can call us on 07 3359 5244, email us at or message us through Messenger below.

Latest News

Need friendly advice? Talk to our staff today about how we can help your business succeed.

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