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Accounting & Bookkeeping

Seamless, cost-effective bookkeeping, back office, and compliance, so your numbers are always accurate and up to date.

Get the Foundations Right, Without the Overhead

We handle your bookkeeping and back office, your GST and BAS, and your income tax returns, so your compliance is met and your numbers are always current.

Why Does Getting the Basics Right Matter?

Clean, current books are the difference between reacting to your numbers and making decisions with them.

Accurate Books, Better Decisions

Good decisions rest on accurate, up-to-date numbers. When your books are current, you always know where the business stands.

Compliance With Fixed Deadlines

GST, BAS, and income tax lodgements carry firm deadlines and real penalties, so they need to be right and on time, every time.

The Cost of Doing It In-House

Building an equivalent function in-house is expensive. Outsourcing gives you experienced professionals at a fraction of the cost.

A Foundation to Build On

Clean books are what everything else rests on, from funding and audits through to tax planning and growth advice.

How We Run Your Accounting & Bookkeeping

We take on the day-to-day finance work and give it back to you as clean books and clear reporting.
Step 1

Understand and Set Up

We review your business, accounts, and systems, and set up or tidy your accounting software so everything is ready.

Step 2

Take Over the Books

We take over your bookkeeping and back office cleanly, so nothing is missed during the transition.

Step 3

Keep the Books Current

We maintain your books, reconcile your accounts, and manage your day-to-day back office on a regular cycle.

Step 4

Prepare and Lodge

We prepare and lodge your GST and Business Activity Statements, and your income tax returns, accurately and on time.

Step 5

Report and Review

We deliver clear financial statements and reporting, and flag anything worth your attention as we go.

What Our Accounting & Bookkeeping Service Covers

From day-to-day bookkeeping through to your GST, BAS, and income tax returns, we cover the full compliance foundation.

Bookkeeping & Back Office

GST & BAS

Income Tax Returns

Financial Statements & Compliance

Cloud Accounting Setup & Support

Why Choose Ascentium

The foundations only add value when they are handled seamlessly, accurately, and cost-effectively.

A complete bookkeeping and back-office solution for less than the cost of an in-house team, with a clean handover and no disruption.

Business Team Collaboration Meeting

Accurate Books, Handled for You

Seamless, cost-effective accounting and bookkeeping from an award-winning, Australian-based team, so your compliance is met and your numbers are always current.

Related Leaders

Chris Grelis headshot

Chris Grelis

Associate Director, CFO Advisory

Dominic Conciatore headshot

Dominic Conciatore

Co-Head Finance Function

Matthew Helm headshot

Matthew Helm

Associate Director, CFO Advisory

Related Services

Finance Function

Tax & Advisory

Company Set Up

Audit & Assurance

What Our Clients Are Saying

Brendma (Australia) Pty Ltd Logo
Client Since
2010
Client Rating
I've been thoroughly impressed with Ascentium's comprehensive approach to our company’s financial management. Their expert tax planning has helped us optimise our tax position, while quarterly reviews keep us informed about our company's financial health.

The management reports they provide are incredibly insightful, enabling us to analyse our business performance and make informed decisions. Their comprehensive business taxation services give us peace of mind, knowing our financial affairs are in expert hands.

I highly recommend Ascentium for their professionalism and dedication to client success. 
Victor Jeris
National Technical Sales Director
Brendma (Australia) Pty Ltd
Phyto-Therapy Pty Ltd LOGO
Client Since
2024
Client Rating
We have had the pleasure of working with Mark and the team at Ascentium across our business and financial requirements.

From a business perspective, they have provided advice and guidance across many areas, including supporting us through the sale of part of our business, as well as R&D grants, taxation, payroll and company structuring. Their proactive approach and practical advice have supported our growth and future planning.

Mark’s thoughtful approach and genuine care for clients also stands out, with clear, practical advice provided throughout our engagement. As a result, we highly recommend him and his team at Ascentium. 
Angeline Saver
Head - People and Culture
Phyto-Therapy Pty Ltd
Quiton Anthony Logo
Client Since
2022
Client Rating
Mark Wellings and his team at Ascentium provide proactive advice on tax structuring and organisational effectiveness that is deeply considered, clearly reasoned, and built around an understanding of our broader financial strategy. Their collaboration with our external bookkeeping and financial planning advisors is seamless, with execution matching the quality of their thinking.
Sergio Floyd
Founder & Managing Director
Quinton Anthony Pty Ltd
My Biologics Logo
Client Since
2015
Client Rating
Working with the team at Ascentium Australia has been an excellent experience. Their expertise across BAS lodgements, bookkeeping advice, multi-company tax returns, ASIC agent services, and ongoing compliance and advisory work has delivered real clarity and efficiency. Justyn and his team are reliable, knowledgeable, and consistently add value to our operations. 
Nicole Schoeman
Accounts & Administration
My Biologics Pty Ltd
braincast logo
Client Since
2008
Client Rating
We really appreciate the guidance we received from Ascentium through the process on the nature of information required for the submission and how to collate it in clear and concise language that translated policy requirements into tangible concepts. 
Dr. Govinda Poudel
Chief Technical Officer
BrainCast
David Anderson Building Logo
Client Since
2016
Client Rating

Working with Justyn, Kaaya, and the team has given us confidence and peace of mind as we’ve grown our businesses. As small business owners, having trusted advisors who genuinely understand our businesses and provide practical, proactive accounting and tax advice has been invaluable.

From their meticulous attention to our BAS, tax obligations, and financial reporting, to ensuring we remain compliant while helping us make informed business decisions, we’ve always felt supported and in safe hands.

Their responsiveness and ability to explain complex accounting matters in a clear and practical way has made a significant difference to our business journey.

David Anderson
Founder
David Anderson Building Pty Ltd
Scalare Partners
Client Since
2023
Client Rating
Ascentium’s ability to navigate complex accounting matters and regulatory requirements was instrumental in achieving a successful outcome for Scalare Partners. 
James Walker
Founding Partner
Scalare Partners
wisdom logo
Client Since
2021
Client Rating
The most valuable thing for me is freeing up my time and giving me a better understanding of my business revenue, expenses, and where we need to focus – now also extending to how I look at finances across my personal life as well. 
Dr Khaled Zhoud
Oral and Maxillofacial Surgeon
Wisdom Centre (Dr Khaled Zoud)
Thrive Refugee Enterprise
Client Since
2018
Client Rating
Ascentium has been a long-term partner of Thrive and we’re now at a stage in our growth together where our accounting processes represent best practice, supported by a robust back office function that performs the operational accounting and compliance effectively. 
Chris O'Neill
Financial Controller
Thrive Refugee Enterprise
UAG Bio Nutrients and UAG Macadamias
Client Since
2020
Client Rating
Their services are quite broad and they are remarkably detailed and concise in getting everything done. They do all our accounting, including the ASIC and shareholder work. 
John Barraclough
Executive Chairman
UAG Bio Nutrients & UAG Macadamias
Streem
Client Since
2021
Client Rating
The team at Ascentium offered a very comprehensive back end operational approach that was streamlined in order to reduce the amount of time required by Streem employees and management. This meant we could identify the real value drivers across the business. 
PK Rai
Chief Financial Officer
Streem

Frequently Asked Questions (FAQs)

It covers your day-to-day bookkeeping and back office, your GST and Business Activity Statement lodgements, and your income tax returns, along with your annual financial statements. In short, the full compliance foundation that keeps your business accurate and up to date.

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