Company Registration Services in Australia

Fast Setup | ASIC & ATO Compliant | End-to-End Support

Starting a company is an exciting step — but getting the structure, registrations, and compliance right from day one is critical. At DIA Taxation, we provide professional company registration services, ensuring your company is set up correctly with ASIC and the ATO, with no delays or costly mistakes.

Whether you’re launching a new business, restructuring an existing one, or making changes to a registered company, we handle the entire process efficiently and compliantly.


Company Registration Made Simple

Registering a company in Australia involves more than just choosing a name. We ensure your company is set up with the correct:

  • Company structure (Pty Ltd or other)

  • Directors and shareholders

  • Share structure and allocations

  • Registered office and principal place of business

  • ASIC compliance and documentation

We guide you through every step so your company is legally compliant and tax-ready.


Our Company Registration Services

✅ New Company Registration

  • ASIC company registration

  • Company name availability checks

  • Director and shareholder setup

  • Share structure and allocation

  • Constitution or replaceable rules

  • ASIC documentation and records

Your company is registered correctly from the start — no shortcuts, no compliance risks.


ABN & GST Registration

Company registration is only part of the setup. We also assist with ATO registrations, including:

✅ ABN Registration

  • Australian Business Number (ABN) application

  • Linking ABN to the company structure

  • Industry and activity classification

✅ GST Registration

  • GST registration assessment

  • Effective date selection

  • GST reporting method setup (cash or accrual)

📌 We ensure your ABN and GST registrations align with your business operations and tax obligations.


Company Changes & Ongoing ASIC Services

As your business evolves, ASIC records must be kept up to date. We assist with all ASIC company changes, including:

🔄 Company Name Change

  • ASIC company name updates

  • Availability checks and registration

  • Compliance documentation

🏢 Address Change

  • Registered office address updates

  • Principal place of business changes

  • ASIC notification and confirmation

📊 Share Transfers & Changes

  • Share transfer documentation

  • Shareholder updates

  • Issue or cancellation of shares

  • ASIC register updates

Keeping ASIC records accurate helps you avoid late fees and penalties.


Who Needs Our Company Services?

Our services are ideal for:

  • New business owners and startups

  • Sole traders converting to companies

  • Growing businesses restructuring

  • Existing companies requiring ASIC updates

  • Investors and shareholder-based businesses


Why Choose DIA Taxation?

✔ Registered Australian Tax Agents
✔ ASIC-compliant company setup
✔ ATO-aligned ABN & GST registration
✔ Clear, transparent pricing
✔ Ongoing compliance support
✔ One point of contact for setup and tax

We don’t just register companies — we help set them up for long-term success.


Need More Than Company Registration?

We also assist with:

  • Business structure advice

  • BAS & GST compliance

  • Company tax returns

  • Trust and partnership registrations

  • Ongoing accounting and advisory services


Get Your Company Registered the Right Way

Avoid delays, rejections, and compliance issues.
Let DIA Taxation handle your Company Registration, ABN & GST setup, and ASIC changes with confidence.

👉 Book a Free Consultation
👉 Request a Company Registration Quote