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.

Are you a plumber looking for tax, accounting, finance, and loan advice?

With Affinitas, you can feel assured and confident knowing you’re in safe hands. Our specialist team of accountants, financial advisors, and loan facilitators have been working with plumbers for over 15 years. Our families and partners have trades business so we know the ins and outs from a personal and professional point of view.

Is your cashflow out of control? Do you need help getting on top of your reporting requirements every year — or every quarter? Are you best on the tools and your business needs some management help? Whatever you need, the Affinitas team can help.

Plumbers & Contractors

How We Can Help Your Small Business

At Affinitas Accounting our goal is to provide your business with affordable accounting services and bookkeeping so you can stay focused on what’s important – running a successful plumbing company.

  • Start-up business advice
  • Bookkeeping & payroll services
  • Help with financial applications
  • Tax planning strategies
  • Income tax returns
  • Financial statement preparations
  • Wealth creation strategies
  • Advice on purchase / sale negotiations

Working With Us

What You Can Expect

We are an accounting firm that understands the specific needs of plumbing companies. We offer a variety of customized accounting services to handle all of your bookkeeping, billing and payroll needs. Our skilled team will work with you on an ongoing basis to ensure that your financial reports are accurate and filed in a timely manner.


expert specialists

We’re experts in the plumbing industry. We’ve spent years serving small businesses just like yours. Our staff has worked with many plumbing companies like yours and know your needs.


timely communication

We believe that an open line of communication between our clients and us is crucial for a successful relationship. We will ensure your questions are answered in a timely manner because we know time means money to plumbing businesses.


fixed pricing

It’s one thing to offer affordable accounting services. We believe our fixed prices are the foundation of exceptional customer service. You can be confident that your accounting fees will never rise because you’re working with us.


free advice

We’re not just accountants for plumbers. We manage our client’s books and provide business advice as well as tax planning to keep the accounting services affordable.

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

Plumbing 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.

Download our helpful trades business budget checklist. Message Affinitas on Messenger today

For more general small- to medium-sized business advice, head to our dedicated small business page here.

Latest News

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

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