From BAS lodgement to strategic advisory, we deliver ATO-compliant financial operations for businesses across every state and territory.
Comprehensive accounting and advisory services tailored to Australian compliance and regulatory requirements.
Quarterly BAS preparation, GST reconciliation, and ATO lodgement. We ensure on-time filing and accurate reporting every quarter.
Learn MoreDaily transaction recording following Australian Accounting Standards. Complete reconciliation, ledger management, and financial records.
Learn MoreSTP reporting, superannuation guarantee compliance, and award interpretation. Complete payroll management for all business sizes.
Learn MoreAASB-compliant statements, ASIC-ready reports, and board packages. Professional financial reporting tailored to your needs.
Learn MoreCash flow forecasting, regulatory incentive claims, and growth strategy. Strategic guidance to help your business scale.
Learn MoreWe specialise in Australian regulatory compliance and accounting standards. Our team understands the unique requirements of businesses across all states and territories, from statutory compliance to superannuation obligations.
With over 10 years of experience serving Australian businesses, we combine deep technical expertise with a commitment to exceptional service. We stay current with all ATO changes, GST requirements, and AASB standards.
A streamlined approach to managing your Australian finances and compliance.
We understand your business, compliance needs, and regulatory requirements.
We integrate with Xero, MYOB, or your existing accounting software seamlessly.
Monthly bookkeeping, quarterly BAS preparation, and annual regulatory compliance.
Strategic insights and financial optimization to help your business scale profitably.
Trusted by business leaders and entrepreneurs across Australia.
"DiligenceOS transformed our BAS lodgement process. What used to take our team days is now handled accurately and on time, every quarter."
"Their understanding of Australian regulatory requirements is exceptional. They identified incentives we didn't know we qualified for, significantly boosting our bottom line."
"Moving our bookkeeping to DiligenceOS significantly reduced our costs compared to our previous firm, with superior accuracy and faster turnarounds."
No hidden fees. Choose the plan that fits your business in AUD.
Everything you need to know about our Australian accounting services.
Serving businesses across all Australian states and territories with local expertise.
Level 12, 123 Pitt Street, Sydney NSW 2000. Our main office serving NSW and surrounding regions with comprehensive accounting and compliance services.
456 Collins Street, Melbourne VIC 3000. Serving Victoria's business community with specialised accounting and BAS lodgement services.
Serving businesses across all Australian states and territories. Whether you're in Brisbane, Perth, Adelaide, Hobart, or Canberra, we provide tailored accounting services.
Now expanding to New Zealand with the same ATO-quality standards adapted for NZ regulatory requirements for trans-Tasman businesses.
Get expert advice via video call, email, or phone. Perfect for busy business owners who need flexible, responsive accounting support.
Supporting Australian expats, international business owners, and multinational companies with Australian operations and regulatory obligations.
Join Australian businesses that trust DiligenceOS for ATO-compliant financial operations, expert regulatory compliance, and reliable advisory.
No obligations, no pressure, just expert advice from our Australian team.