This page explains how Australian and US tax services provided through SydneyTaxAccountant.com are authorised and delivered under our registered partner arrangements.
SydneyTaxAccountant.com operates as a partner under OM Tax Services, a registered tax agent authorised by the Tax Practitioners Board (TPB) of Australia. All Australian tax agent services delivered through this website are provided under Tax Agent Registration No. 26072249.
This is an active partnership — not a referral or franchise. Sydneytaxaccountant.com Pty Ltd and its parent company, Waycorp Services Pty Ltd (trading as Waycorp Advisors), deliver tax services under the same registered entity and are bound by the same professional standards.
All US tax work is delivered by qualified preparers registered with the Internal Revenue Service. Every paid US tax preparer is required to hold a valid Preparer Tax Identification Number (PTIN).
Siddarth Jain is a qualified US Certified Public Accountant (CPA) and IRS Registered Tax Preparer, holding PTIN P02451596.
As responsible preparer, Siddarth personally reviews, signs and lodges US federal and state returns — including those for Americans living in Australia and cross-border tax matters — ensuring full compliance with IRS requirements.
Wayne O’Brien is registered with the Internal Revenue Service as a paid tax return preparer, holding PTIN P03482824. Wayne is a member of the American Institute of CPAs.
As responsible preparer, Wayne personally reviews, signs and lodges US federal and state returns — ensuring full compliance with IRS requirements.
Australian: OM Tax Services (Tax Agent No. 26072249) — confirm at tpb.gov.au
US: Siddarth Jain (PTIN P02451596) — verify at irs.gov
US: Wayne O’Brien (PTIN P03482824) — verify at irs.gov
For questions, contact us.
