Editorial guides
Australian classification guides
Practical editorial guides for finding codes, comparing systems and understanding where each classification is used in business, tax, occupation and reporting workflows.
Browse guides
Editorial reference library
These pages explain common classification tasks, code-selection mistakes and cross-system relationships in plain English.
How to find your ANZSIC code Step-by-step guide to finding the right ANZSIC code using your main business activity, nearby class pages and ABS definitions. ANZSIC for ABN registration What ANZSIC codes do in ABN registration workflows, how to choose the right class and where business owners usually go wrong. ANZSIC for tax and bookkeeping How ANZSIC and ATO Business Industry Codes relate in tax returns, bookkeeping systems and classification lookups. ANZSIC vs BIC: what is the difference? Clear comparison of ANZSIC and ATO Business Industry Codes, including where each system is used and how they link together. ANZSIC 1993 vs 2006 What changed between ANZSIC 1993 and ANZSIC 2006, and how to use the migration lookup safely. ANZSIC codes for IT businesses How to choose ANZSIC codes for software, consulting, hosting, data, support and broader technology businesses in Australia. ANZSIC codes for ecommerce How to classify ecommerce businesses in ANZSIC, including online retail, marketplaces, fulfilment-heavy models and mixed operations. ANZSIC codes for contractors Practical guide to choosing ANZSIC codes for contractors, consultants and independent operators across different industries. OSCA vs ANZSCO: what changed? What changed when OSCA replaced ANZSCO as the main Australian occupation classification, and how to use both systems safely. Skill levels explained in Australia Explanation of occupation skill levels in Australian classification systems and how they are used in practice. Occupation codes for visa applications How to use occupation classification pages carefully when preparing for visa-related workflows in Australia. ANZSIC codes for construction businesses Free guide to ANZSIC codes for builders, trades and contractors in Australia 2026. ANZSIC codes for healthcare businesses Free guide to ANZSIC codes for clinics, hospitals and allied health services in Australia 2026. ANZSIC codes for hospitality businesses Free guide to ANZSIC codes for cafes, restaurants, takeaway and accommodation businesses in Australia 2026. ANZSIC codes for transport businesses Free guide to ANZSIC codes for freight, passenger transport and logistics in Australia 2026. ANZSIC codes for retail businesses Free guide to ANZSIC codes for Australian retail stores, online sellers and mixed retail models in 2026. How to choose a BIC code as a sole trader Free guide to choosing the right ATO Business Industry Code for a sole trader in Australia 2026. How to change an ANZSIC code Free guide to reviewing and updating an ANZSIC code when the business activity changes in Australia 2026. ANZSIC code for Uber drivers and rideshare work Free guide to ANZSIC and BIC code choices for rideshare and Uber drivers in Australia 2026. ANZSIC code for real estate agents Free guide to ANZSIC and BIC code choices for real estate agencies and agents in Australia 2026. ANZSIC 1993 to 2006 Correspondence Table — Complete Migration Reference Complete ANZSIC 1993 to 2006 correspondence table. Free migration lookup for all Australian industry codes. Updated 2026. ANZSIC to ISIC Rev 4 Correspondence Table Free ANZSIC to ISIC Rev 4 correspondence table for Australia. Compare local industry codes with the UN international classification in 2026.