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Outsourced Tax Return Services in
Australia
Expert-Verified Tax Preparation. ATO-Compliant. Lodged on Time — Every Year.
Aone Outsourcing Solutions provides outsourced tax preparation services to individuals, sole traders, small businesses, and CPA firms across Australia. We combine intelligent automation with hands-on human expertise to prepare accurate tax returns, meet every ATO deadline, and deliver lodgement-ready financials — without you having to chase anyone for it.
- 500+ Australian Clients Served
- 40% Average Savings vs In-House Tax Teams
- ATO-Compliant Tax Lodgement — End to End
From individual tax return preparation and sole trader tax filings to business income returns and capital gains reporting, our tax outsourcing services cover every return type under Australian tax law. Our team works directly inside your existing Xero, MYOB, or QuickBooks environment. No migration. No disruption. Live within 7–10 business days.
What's Included:
- Rental income and investment income tax returns
- Capital gains tax (CGT) calculations and reporting
- Tax planning and year-round compliance support
- BAS, IAS, TPAR, and STP lodgement
- Online income tax return filing — fast, secure, and accurate
- Audit support and ATO correspondence management
- Dedicated tax account manager — single point of contact
- Individual, sole trader, and business tax return preparation
Response Time: 24–48 hrs
100% ATO-Compliant
Outsourced Tax Preparation Services
Paying taxes in Australia is a year-round obligation that requires careful planning, clear professional understanding, and ongoing compliance with evolving ATO regulations. Tax obligations are complex and time-consuming for individuals, freelancers, sole traders, and growing businesses alike.
Aone Outsourcing Solutions provides outsourced tax preparation services and tax filing services customised to meet the specific needs of clients across Australia. By engaging with us, you can prevent ATO penalties, maximise eligible deductions, and devote more time to expanding your business-
We provide end-to-end tax return filing services, from document collection to lodgement — helping you focus on what matters most: your business or your lifestyle.
Whether you need outsourced individual tax returns, a white-label tax preparation solution for your CPA firm, or a fully managed business tax return service, we have a delivery model that fits — and we are live within 7–10 business days.
Not just automated. Not just manual. Both — working together.
Our model pairs AI as a first-pass quality layer with a registered tax professional who reviews and signs off every return before it reaches the ATO.
AI-Assisted Tax Preparation
Income sources auto-identified. Deduction gaps flagged. Return fields cross-referenced against supporting documents before a human reviewer sees the file.
Human Verification — Every Return
Our tax preparation specialists review every AI output before sign-off. Judgment, ATO knowledge, and client context that automation alone cannot replicate.
ATO-Ready Output, Every Year
Accurate, compliant tax returns — ready for lodgement, audit, or your accountant. Without you following up on anything.
The Benefits of Outsourced Bookkeeping Services
Deep ATO Expertise
Finalising accurate, compliant tax returns requires detailed knowledge of ATO legislation, rulings, and year-on-year regulatory changes. Our outsourced tax preparation services provide Australian businesses and CPA firms with access to specialist expertise.
Cost Savings
Outsourcing your tax preparation eliminates staff costs, training overheads, and expensive accounting software subscriptions. Access premium income tax preparation services for a fraction of the cost of an in-house hire — with transparent, fixed pricing and no hidden fees.
Scalability & Flexibility
Tax lodgement volumes spike — at EOFY, at quarterly BAS time, and at trust return season. Our tax preparation outsourcing scales with your client or transaction volume, handling peak periods without the lag of a new hire or the risk of an undertrained team managing compliance-critical work.
ATO Compliance Assurance
Individual returns, sole trader schedules, business income returns, CGT events, rental income, BAS, TPAR — all managed end-to-end under registered tax agent supervision. Nothing missed. Nothing late. Records are always audit-ready.
Year-Round Dedicated Support
Unlike traditional tax agents who disappear after lodgement, we offer ongoing support for ATO audits, amendments, and tax planning throughout the year. So you are never left to manage a compliance issue alone.
Data Security
Enterprise-level security infrastructure aligned with Australia's Privacy Act 1988. 256-bit encrypted transfers, role-based access control, two-factor authentication, and mandatory NDAs across the entire team.
What We Provide in Our Outsourced Tax Preparation Services in Australia
Individual Tax Return Services
Comprehensive individual tax return preparation for employees, freelancers, and anyone with personal income sources — including salary, investments, rental income, or side income. We identify every eligible deduction category, from work-related expenses and home office costs to self-education and vehicle claims, and prepare an accurate, lodgement-ready return.
- Full income reconciliation across all sources
- Work-related expense deductions identified and claimed
- Home office deductions calculated under the ATO fixed-rate or actual method
- Medicare levy surcharge and private health offset assessed
- Return lodged via ATO-registered systems on time
- Amendments managed if ATO queries arise post-lodgement
Sole Trader Tax Returns
Tailored sole trader tax return services covering business income, allowable deductions, GST obligations, and ATO schedule completion. Sole trader income and expenses are reported through the individual tax return via the business schedule — our team handles every component accurately, so you claim all entitlements while remaining fully compliant.
- Business income and expense reconciliation
- Vehicle, equipment, and home office deductions applied
- GST and BAS obligations reviewed and aligned
- Business schedule prepared and attached to the individual return
- Superannuation contributions reviewed for deductibility
- ATO payment summary and income statement reconciled
Business Income Tax Returns
Business tax return preparation for companies, partnerships, and trusts — covering all income streams, allowable deductions, and required schedules. Whether you are filing as a company reporting net income or a partnership distributing profit shares, our business tax return services ensure accuracy and compliance across every return type.
- Company, partnership, and trust return preparation
- Business income reconciled to financial statements
- Deductible expenses reviewed and claimed in full
- Depreciation schedules aligned with ATO tax rates
- Franking credit accounts updated where applicable
- Tax return workpapers prepared and lodgement managed
Rental Income Tax Returns
Rental income tax return preparation covering all rental property reporting requirements — rental income declaration, deductible expense claims, and depreciation schedules. We ensure your rental tax position is correctly stated, fully claimed, and ATO-compliant, whether you hold one property or a portfolio.
- Rental income declared across all properties.
- Deductible expenses claimed: repairs, mortgage interest, etc
- Depreciation schedules prepared and applied
- Negative gearing position calculated and reported
- Capital works deductions (Div. 43) identified and claimed
- Capital gains events triggered by the sale are assessed and reported
Capital Gains Tax (CGT) Returns
Capital gains tax preparation for individuals and businesses who have disposed of shares, property, cryptocurrency, or other CGT assets during the financial year. We calculate your net capital gain or loss, assess eligibility for the 50% CGT discount for assets held over 12 months, and identify any applicable Australian tax law exemptions — ensuring accuracy and minimising liability.
- CGT events identified across shares, property, and crypto
- Cost base and disposal proceeds calculated
- 50% CGT discount assessed for assets held over 12 months
- Capital losses carried forward and applied
- Main residence exemption and other exemptions reviewed
- CGT schedule prepared and attached to return
Investment Income & Tax Planning Services
Investment income tax return preparation covering dividends, interest, managed fund distributions, and capital movements — alongside year-round tax planning to ensure your overall tax position is optimised before each lodgement. Proactive structuring across superannuation contributions, investment timing, and income management reduces your liability before the assessment is raised.
- Dividend and interest income reconciled
- Managed fund tax statements processed and applied
- Franking credits and foreign income offsets claimed
- Capital gain and loss position across the full portfolio
- Year-round tax planning advice on super, investments, and structure
- Preliminary tax estimates prepared ahead of the lodgement season
How Our Tax Return Outsourcing Process Works
Tax Return Preparation: From Enquiry to Lodgement
Onboarding & Scope Alignment
We review your income sources, return type, ATO obligations, and any prior-year issues or amendments. A written scope and fixed cost are with you within 24 hours — no hourly billing, no hidden fees. Whether you are a first-time outsourcer or moving from an existing tax agent, onboarding is straightforward.
Secure Document Collection
Documents are submitted securely through our encrypted client portal. Our team reconciles income statements, payment summaries, bank records, investment statements, rental schedules, & all supporting materials before preparing the financial statements. No data is stored locally - all work is performed inside your secure cloud environment.
Preparation, Review & Sign-Off
A dedicated tax preparation specialist prepares your return, with an independent reviewer checking every figure before sign-off. One account manager acts as your single point of contact throughout — responding within 48 business hours AEST. Nothing is submitted to the ATO without your review and approval.
Lodgement & Ongoing Support
Your completed return is lodged with the ATO accurately and on time. Ongoing clients have their full compliance calendar — BAS, IAS, TPAR, and STP — managed continuously throughout the year. We also provide proactive year-round tax planning support, helping you stay ahead of obligations, avoid penalties.
Trusted by Businesses That Value
Accuracy & Compliance
Partner with Aone Outsourcing Solutions to streamline your financial operations with precision-driven bookkeeping and expert tax advisory.
No obligation
Free 30 mins discovery call
Expert advice
Why Choose Aone for Tax Return Outsourcing?
Discover why Aone is the preferred tax preparation outsourcing partner in Australia for individuals, growing businesses, and CPA firms.
We combine advanced cloud accounting technology, AI-assisted processing, and registered human expertise to deliver tax returns that are always accurate, ATO-compliant, and lodged on time — so you can meet every deadline with confidence.
Save 10+ Hours at Lodgement Time.
Outsourcing your tax return preparation frees business owners, sole traders, and finance teams from the most time-intensive period in the tax calendar — time better spent on revenue generation, business planning, or simply not worrying about the ATO.
Real-Time Visibility
Track the status of your tax return, access finalised documents, and review lodgement confirmations from any device, in real time. Our secure client portal keeps you informed at every stage — no chasing emails, no waiting on updates, just instant access whenever you need it.
Overnight Processing
Indian Standard Time runs 4.5–5.5 hours behind AEST. Tax preparation work progresses overnight against your business day — so mornings open with progress already made on your return, ahead of every ATO deadline.
Fast Turnaround
Efficient preparation, review, and lodgement of individual, sole trader, business, rental, CGT, and investment returns — without compromising accuracy or quality. Most returns are complete within 7–10 business days of document receipt.
320+ Trained Tax Professionals
Consistent quality across a 320+ strong certified team — without the cost, risk, or operational complexity of an internal hire or seasonal contractor. Every team member operates under a strict NDA and the supervision of a registered agent.
The Smarter Way to Handle Tax Returns in Australia
See how Aone, a fully managed outsourced tax preparation company, compares against in-house hires, local tax agents, and DIY software — on price, compliance, and everything in between.
| Factors | Aone Outsourcing Solutions | In-House Team | Local Tax Agent | DIY Software |
|---|---|---|---|---|
| Tax Return Finalisation | Always on time | Inconsistent | Varies by workload | Manual — error risk |
| ATO Compliance & Accuracy | Expert & fully managed | Depends on the hire | Variable | Self-managed |
| Technology & Automation | AI + advanced cloud tools | Basic tools | Varies by firm | Limited |
| Support Access | Real-time, dedicated manager | Internal staff only | Appointment-based | No support |
| Monthly Investment | Custom & flexible | AUD $7,000+/mo | AUD $300–$600/return | AUD $50–$100/mo |
| Scalability | Seamless | Slow hiring cycle | Limited capacity | Cannot scale |
| Registered Tax Agent | Yes — all lodgements covered | Depends on the hire | Yes | Not registered |
| Year-Round Tax Planning | Included | Depends on the hire | Additional cost | Not available |
Industries We Serve
Construction & Trades
Information Technology
Healthcare & Allied Health
Professional Services & Legal
Retail & E-Commerce
Digital Marketing & Agencies
Courier & Road Freight
Hospitality & Tourism
Real Estate & Property Management
Startups & Early-Stage Businesses
Real Results from Real Businesses
Managing rental income across three properties was a nightmare at tax time. Aone had our returns lodged — depreciation schedules, CGT events, and all — weeks before the October deadline.
Priya
Independent Property Investor, ACT
Aone handles our entire tax return lodgement pipeline — individual returns, sole trader files, and rental schedules — without us ever needing to follow up. Accurate, on time, every year.
Rachel, Senior Partner
Accounting Practice, Western Australia
I switched from a local tax agent to Aone for our business tax return and have not looked back. Faster turnaround, better deduction identification, and always ATO-compliant.
David, Director
E-Commerce Business — South Australia
Your Tax Data Is Secure — Always
Aone Outsourcing operates under an enterprise-level security infrastructure fully aligned with Australia's Privacy Act 1988 and the 13 Australian Privacy Principles administered by the OAIC.
256-bit encrypted file transfers
All document transmission via SSL/TLS
Role-based access control
Team members access only their assigned client files
Two-factor authentication
Mandatory on all platform access points
Mandatory NDAs
All tax professionals sign binding non-disclosure agreements before accessing any client data
No local data storage
All work performed inside your cloud environment; no financial data stored on individual devices
Privacy Act 1988 compliance
Internal policies reviewed against OAIC guidelines regularly
Software Expertise
Powered by the Best Accounting Software in the Industry
Our Australian accounting specialists are certified and fully proficient in the cloud accounting platforms your practice relies on, including Xero, QuickBooks Online, MYOB, and Hubdoc — ensuring seamless integration with your existing workflows from day one.
- Tailored Tax Return Onboarding — scoped to your return type and volume
- Seamless Integration with Xero, MYOB, QuickBooks, and ATO Online Services
- Prior-Year File Review and Carryforward Amount Verification
- Dedicated Tax Preparation Manager — single point of contact
- No Disruption to Lodgement Deadlines
- Scalable Tax Outsourcing Solutions — from one return to hundreds
Switching to Aone Outsourcing Solutions
Outsourced Tax Preparation — Australian Standards, Offshore Efficiency. Changing tax preparation providers mid-year feels risky. Aone specialises in seamless transitions. Most engagements are fully operational within 7–10 business days, with our team managing every step — from document collection and prior-year review to finalised lodgement — without disrupting your compliance calendar.
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