Top 10 Accounting Firms in Australia (2026 Rankings)

Imagine running your business with absolute financial clarity, where every number, every report, is working for you, and not against you. That’s what a great accounting firm delivers: a trusted partner that protects your cash flow, keeps you compliant, and helps you grow with confidence. With over half of Australian SMEs relying on professional accountants for guidance, choosing the right firm is no longer optional; it’s strategic. This blog highlights the top accounting firms in Australia, exploring their expertise, technology, and client-first approach to help you find the perfect financial ally for your business.

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Top 10 Accounting Firms in Australia

Australia’s top accounting firms, such as EY, PwC, KPMG, Deloitte, and Grant Thornton, provide businesses nationwide with tax, reporting, payroll, and compliance support. These firms combine financial expertise with cloud platforms to deliver accurate insights, real-time reports, and scalable accounting systems that help organisations operate efficiently.

1. EY

Founded in 1998, EY ranks among the top accounting firms in Australia, employing over 9,800 professionals. Their accounting services focus on tax planning, reporting, cash flow analysis, and management accounting, helping businesses gain clear insights into their financial performance.

By utilising accounting automation platforms such as SAP, Microsoft, and Shopify, EY delivers complete oversight and scalable solutions designed to scale with expanding businesses. It supports organisations with accurate financial statements and detailed analysis to help firms make informed decisions and grow sustainably.

2. PwC

Established in 1998, PwC is one of Australia’s most popular accounting firms and employs more than 7,000 professionals. Their specialists provide financial, tax, and advisory services to Aussie organisations of all sizes. PwC helps businesses with bookkeeping, financial statement preparation, asset management, tax advisory (including GST, BAS, and ATO compliance), and in-depth management reporting.

Their accounting professionals leverage advanced tools, such as Microsoft Dynamics 365, Oracle, and SAP, to enhance the accuracy of services and ensure compliance with ATO. If you are seeking strong financial controls and scalable accounting frameworks, PwC provides tailored solutions that help you grow.

3. KPMG

Established in 1895 in Australia, KPMG employs over 10,000 professionals and is widely recognised as one of the country’s top accounting firms. Their F&A services include financial statement preparation, AP/AR oversight, payroll processing, strategic advisory, superannuation, and management reporting.

KPMG helps businesses achieve greater financial transparency, adhere to ATO standards, and reduce penalty risk. Their experts work across advanced accounting platforms such as SAP, Microsoft, Oracle, Workday, and Google Cloud, ensuring you can make strategic financial decisions without any stress.

4. Deloitte

Deloitte, as one of the biggest firms in Australia, has supported businesses since 1845 and employs more than 12,000 professionals locally. Through its Business Process Solutions (BPS), Deloitte provides comprehensive financial management services, including statutory and management reporting, in-depth accounting, tax compliance, payroll, and regulatory alignment.

Their customised solutions integrate seamlessly with cloud-based accounting systems such as SAP, Salesforce, Oracle, Workday, and AWS, enabling improved financial visibility. Deloitte is particularly well-suited for complex and fast-growing organisations, helping you comply with ATO standards easily.

5. Perth Bookkeeping Services

Perth Bookkeeping Services was founded in 2000 and employs about 10 specialists who help Australian businesses with payroll, internet banking, financial reporting, AP/AR management, BAS preparation and lodgement, and end-of-year accounts finalisation.

Their accountants are well versed in Xero, QuickBooks, MYOB, Microsoft, and Reckon, and use these cloud-based platforms to assist Australian organisations with automated operations, detailed reporting, and real-time insights.

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6. Abound Group

Established in 2007, Abound Group is an accounting firm in Australia that delivers customised services designed to support consistent business growth. Their finance and accounting services include budgeting, cash-flow projections, bookkeeping, tax returns, financial reporting, and ATO compliance, helping organisations maintain clarity and control over their finances.

Experts at Abound Group serve industries such as construction, corporate, residential, and commercial. Further, they support clients with BAS lodgements, GST registration, tax planning, and KPI analysis. With a team of around 40 specialists, they leverage their accounting automation proprietary tool, Abound App, to streamline financial management and improve the decision-making process of their clients.

7. TaxAssist Accountants

Founded in 2015, TaxAssist Accountants is a well-established firm operating with a team of about 150 specialists and provides practical accounting services. Their professionals help out with tax return preparation, GST registration, payroll processing, BAS lodgements, and cash-flow projections, supporting Australian businesses at different stages of growth.

By leveraging Xero, TaxAssist Accountants streamline financial management for startups, sole traders, partnerships, contractors, and landlords. Their small-business-focused approach simplifies accounting operations, improves compliance, and helps clients maintain clear financial oversight while focusing on day-to-day business growth.

8. Grant Thornton

Established in Australia in 2007, Grant Thornton is one of the biggest accounting firms in Australia with over 1,500 professionals supporting companies in agriculture, media, retail, non-profits, manufacturing, and energy industry. Their services include audit, tax planning, risk assessment, and broader business advisory, helping Australian organisations maintain strong financial governance.

Grant Thornton’s experts focus on keeping records audit-ready, ensuring tax compliance, and supporting informed strategic decision-making. Their data-driven approach and advisory expertise help businesses manage risk, strengthen financial control, and achieve sustainable growth in a competitive environment.

9. H&R Block Australia

H&R Block is a well-known firm for their tax preparation services since 1971. It offers tailored solutions for individuals and small businesses, and help clients file taxes online, in person, or with expert help.

Known for its accuracy and proprietary tool, ReceiptHub, H&R Block helps streamline payments and invoices. With a commitment to maximising refunds, the firm helps businesses grow with confidence.

10. The Pen Accounting

Established in 2015, the Pen Accounting is a boutique Australian firm with a team of around 10 professionals that support creative agencies, innovators, SMBs, individuals, and entrepreneurs. They offer virtual CFO services, taxation, advisory, superannuation, BAS lodgements, GST returns, and end-to-end ATO compliance to help clients manage their finances effectively.

By leveraging Xero, the Pen Accounting delivers streamlined, cloud-based financial management and strategic insights. Their personalised approach helps Australian businesses maintain compliance, gain financial clarity, and make confident decisions that support sustainable business growth.

Top Outsourced Accounting Firms in Australia in 2026

Australia’s top outsourced firms offer a suite of accounting services, including bookkeeping, payroll, audit, and advisory services, that support startups, SMEs, and large enterprises across industries. These top accounting firms, such as Talent Formula, Hammerjack, Whiz Consulting, TaxOz, and BlueRock, combine qualified professionals, industry expertise, and accounting automation tools to improve compliance, cash flow, financial visibility, and long-term business growth.

1. Priority1 Bookkeeping

Established in 2016, Priority1 Bookkeeping is an accounting firm with a team of around 50 specialists and it delivers comprehensive F&A support. Their services include payroll management, bank reconciliations, accounts payable and receivable management, and BAS preparation for growing businesses.

Using cloud platforms such as Xero, MYOB, Hubdoc, Dext, QuickBooks, and Zoho Books, Priority1 Bookkeeping supports clients across hospitality, real estate, manufacturing, healthcare, creative agencies, and non-profit organisations. Their client-first approach helps businesses maintain accuracy, improve cash-flow visibility, and stay compliant with confidence.

2. Sapphire Digital Accounting

Founded in 2004, Sapphire Digital Accounting is an established accounting firm in Australia and is supported by a team of more than 200 professionals. The firm delivers end-to-end F&A solutions, so businesses gain financial clarity and make informed decisions at the right time. Their services include financial accounting, GST returns, individual and corporate tax returns, payroll management, and audit support.

By leveraging leading accounting platforms such as Xero, QuickBooks, Sage, and MYOB, Sapphire Digital Accounting provides accurate and real-time financial insights. Their client-focused approach prioritises clear communication, reliability, and transparency, enabling businesses to confidently manage their financial responsibilities and plan for growth.

3. Talent Formula

Founded in 2014, Talent Formula is an Australian bookkeeping firm with a team of around 200 professionals. They focus on delivering accurate bookkeeping services, including payroll management, SMSF, superannuation, virtual CFO services, tax support, and financial reporting.

Talent Formula utilises cloud-based software such as Xero, MYOB, and NetSuite, helping businesses maintain financial control and meet regulatory requirements. Their flexible, client-first approach helps businesses, especially startups and growing companies, by offering scalable accounting solutions without sacrificing quality.

4. hammerjack

Established in 2016, hammerjack has grown into one of Australia’s leading outsourced accounting partners. With a team of nearly 1,000 finance professionals, they help businesses stay financially sharp and compliant.

Their experts manage everything from reconciliations and payroll to BAS lodgements, ATO reporting, and cash flow tracking. Whether you use Xero, QuickBooks, or MYOB, hammerjack gives you real-time financial clarity.

5. Whiz Consulting

Whiz Consulting is one of the top 10 accounting firms in Australia in 2026 and has gained quite a reputation in the field of outsourcing. With over 10 years of experience, 150+ accountants, the company provides a full range of virtual accounting services, including bookkeeping, payroll processing, tax preparation, and business advisory.

Whiz Consulting is a proven success partner for businesses across a variety of industries, including healthcare, e-commerce, hospitality, and real estate to reach their full potential. They are an SOC 2 and ISO 27001 certified finance and accounting service provider, so businesses can trust them with their confidential files and documents.

6. Zimsen Partners

Zimsen Partners, founded in 2001, is one of Australia’s leading outsourced accounting firms in 2026. Backed by a team of 200+ finance professionals, they help businesses stay in control of their numbers.

From cash flow and BAS to payroll, superannuation, and Self-Managed Super Fund reporting, they handle the financial heavy lifting with precision. Working across Xero and MYOB, Zimsen Partners delivers real-time financial clarity, so, you can focus on running your business, not wrestling with spreadsheets.

7. TaxOz

Founded in 2020, TaxOz has built a strong reputation across Australia with a growing team of 50+ finance professionals. They help businesses stay compliant while keeping a clear view of their finances.

From GST and BAS to payroll, reconciliations, and payables and receivables, their accountants keep every number aligned and audit-ready. Powered by Xero and MYOB, TaxOz delivers real-time financial insight through smooth, connected operations.

8. Morris Cohen Glen & Co

Founded in 1925, Morris Cohen Glen & Co is counted among the most popular accounting firms in Australia. With a team of around 50 professionals, they support businesses across manufacturing, retail, education, hospitality, healthcare, real estate, and IT. Their accounting services include tax planning, advisory, indirect tax, financial statement preparation, superannuation, SMSF support, payroll, and compliance.

Using Xero, Morris Cohen Glen & Co delivers budgeting, forecasting, cash-flow management, reporting, and virtual CFO services. They combine their decades-long experience with cloud-based tools to help clients strengthen financial control, improve visibility, and make informed strategic decisions for sustainable growth.

9. BlueRock

Founded in 2008, BlueRock is one of the biggest firms in Australia with a team of around 500 professionals and serves clients across construction, property, healthcare, entertainment, pharmacy, and e-commerce. They provide business accounting, tax advisory, reporting, and personal accounting services to support organisations and individuals at every stage of growth.

By leveraging Xero, Dext, and their proprietary tool, WorkflowMax, BlueRock delivers streamlined financial management and real-time insights. They help clients improve visibility, stay compliant, and make confident decisions to support long-term business and personal financial success.

10. Quantum Advisory

Founded in 1976, Quantum Advisory is an accounting firm in Australia with a team of around 50 professionals supporting businesses across wholesale, manufacturing, and construction. Their services include management accounting, budgeting, cash-flow management, CFO support, tax planning, and capital gains tax advisory.

By leveraging cloud platforms such as Xero and Odoo, Quantum Advisory delivers structured financial oversight and strategic insights that help businesses make informed decisions for sustainable growth.

How to Find the Right Accounting Service Provider in Australia?

Choosing the right accounting service provider in Australia is essential if you want to maintain ATO compliance, have financial clarity, and grow sustainably. Before vetting the top accounting firms, you must understand where your business is lacking, their qualifications, and which data security protocols they adhere to.

We have curated a list of clear and practical steps, so you can make the right choice for the long run.

• Understand Your Business Needs: Clearly identify whether you require tax returns, BAS/GST, payroll, bookkeeping, or advisory services for your specific situation.
• Verify Australian Compliance Expertise: Confirm they have strong knowledge of Australian tax laws, GST, BAS, and ATO reporting requirements.
• Evaluate Industry Experience: Choose an expert accountant who has proven experience working with businesses in your industry.
• Assess Technology & Tools: Make sure they use modern accounting automation software like Xero, MYOB, or QuickBooks.
• Review Reputation and Feedback: Check online reviews, testimonials, and referrals to assess their reliability and service quality.
• Compare Pricing: Understand their pricing model clearly and ensure there are no hidden costs.
• Consider Communication: Select a provider who communicates clearly and is accessible during peak expanding periods.
• Confirm Data Security: Ensure the chosen accounting firm follows strong data protection practices and complies with Australian privacy laws.

Partner with the Right Accounting Firm in Australia Today

Choosing the right accounting firm is the foundation of growth for Australian enterprises. Every firm is unique and comes with varying strengths, ranging from extensive services to specialist tax solutions and accounting service providers. Popular firms like TaxAssist Accountants, the Pen Accounting, and Whiz Consulting enable businesses to seamlessly navigate financial complexities. Choose your next accounting partner based on your business’s requirements, their expertise in your industry, and their ability to scale efficiently with you.