GSC’s team of seasoned tax professionals delivers dependable, end-to-end support across all facets of federal and state tax compliance, return preparation, and strategic tax planning. For U.S. firms, we ensure full adherence to IRS and state requirements, leveraging industry-standard platforms such as ProSystem FX, Lacerte, and UltraTax to drive efficiency and accuracy. 

For Australian practices, we handle the preparation of tax returns and financial statements for individuals, partnerships, companies, trusts, and SMSFs. Our services extend to payroll processing, OSR reporting, payment summaries, quarterly super contributions, and ATO correspondence—providing comprehensive, compliant support that integrates seamlessly into your workflow. Whether you’re scaling operations or enhancing capacity during peak periods, our professionals are equipped to support your standards of excellence.