Guide · ATO Tax Agent Portal

A Comprehensive Guide to the ATO Tax Agent Portal (2026)

If you're a registered tax agent in Australia, the "Tax Agent Portal" is the door you walk through every day to talk to the ATO on behalf of your clients. The portal itself has been rebranded — it's now called Online services for agents — but the workflow is the same: sign in, pick a client, see their ATO position, lodge or request. This guide walks through every step of that workflow, how the login has changed, and where a client-facing portal fits alongside it.

1. What replaced the old Tax Agent Portal

The classic Tax Agent Portal was decommissioned and replaced by Online services for agents. Everything you used to do in the old portal — client lists, activity statements, income tax account balances, lodgement history, correspondence, payment plans — lives here now, in a modern responsive interface that works on a laptop or a tablet.

Alongside it are two related surfaces you should know about: Online services for business (which your clients use directly for their own affairs) and ATO app (which individual clients use on their phones).

2. Access: myGovID + RAM

You no longer log in with an AUSkey or a shared username. Access is per-person via myGovID (a personal digital identity app) linked to your practice through Relationship Authorisation Manager (RAM). The setup, one-off per staff member, looks like this:

1. Download the myGovID app and verify your identity to at least "Standard" strength.
2. Your practice principal signs in to RAM and adds you as an authorised user against the practice ABN.
3. You accept the RAM invitation from your email, and can now sign in to Online services for agents.

Every action you take is logged against your myGovID, so the audit trail is per-person rather than per-shared-login. If a staff member leaves, the principal revokes their RAM authorisation and access ends immediately.

3. Adding and managing clients

Your agent list is the master list of every client your practice is linked to. To add a client, use Client details → Add client, enter the TFN or ABN, and confirm the identifying details. From late 2022 the ATO also requires client-agent linking for most non-individual clients — the client authorises the link from their own Online services for business before you can act.

For a smooth onboarding, most firms send the client a written guide explaining how to nominate the agent in Online services for business. This is a common friction point — it's worth having a template email and a short screen recording ready.

4. The parts of Online services for agents you'll use most

• Client details — TFN, ABN, addresses, authorised contacts, agent-linking status.
• Income tax — account balance, lodgement history, statement of account, payment plans.
• Activity statements — prepare, lodge and revise BAS/IAS directly.
• Communication — the client's ATO inbox and correspondence preferences.
• Reports and forms — pre-fill reports, income statements, PAYG payment summaries.
• On demand reports — client lists, lodgement due dates, outstanding activity statements — the reports firms live off in October and February.

5. Lodging returns: portal vs PLS software

You can lodge activity statements, fringe benefits tax returns, and some amendments directly through Online services for agents. Income tax returns for most firms go through a Practitioner Lodgement Service (PLS) enabled software package — Xero Tax, MYOB Tax, LodgeiT, Class, and similar — which talks to the ATO via the PLS APIs and syncs status back into your workflow.

Whether you lodge in the portal or in PLS software, the ATO record of truth is the same. What changes is where the return sits before lodgement — inside your practice software's job workflow rather than the ATO portal.

6. Lodgement program dates

Registered agents lodge under the ATO lodgement program, which staggers due dates through the year based on the client's tax outcome. The key dates most firms plan around are:

• 31 October — non-lodgers from prior year and clients with prior-year returns outstanding.
• 15 January — large/medium entities, taxable head companies.
• 31 March — companies and super funds with total income > $2m.
• 15 May — remaining individuals, trusts, companies and super funds.

Online services for agents shows every client's due date under Income tax → Lodgement history and in the on-demand lodgement report. Firms typically pull the report weekly during peak season.

7. Where a client portal fits alongside the ATO portal

The ATO portal is where you talk to the ATO. It's not designed for the messy human work of getting information out of clients — chasing PAYG summaries, collecting receipts, getting the engagement letter signed, keeping the client informed while you wait for a private ruling. That work belongs in a client portal.

TaxAgentPortal is built for exactly that layer: documents, organizers, e-signatures, jobs, secure messaging, and a per-client status view — all AU/NZ-aware out of the box (ABN, TFN, ACN, BAS, PAYG). Your firm still uses the ATO's Online services for agents for anything ATO-facing; the client portal handles everything client-facing.

8. Common problems and fixes

• "You do not have the required permissions" — RAM authorisation has not been accepted, or has been revoked. Have the principal re-invite you from RAM.
• Client not appearing on your agent list — the client hasn't completed agent linking from their Online services for business.
• Lodgement status not updating in software — PLS acknowledgement takes minutes to hours; if it's stuck > 24 hours, contact the software provider before the ATO.
• myGovID lost or new phone — you must re-verify from your identity documents. Do this before peak season, not during it.

Frequently asked questions

What is the ATO Tax Agent Portal?

The ATO Tax Agent Portal is the historical name for the online services registered tax agents use to interact with the ATO on behalf of clients. It has been replaced by Online services for agents, which offers the same core functions — client lists, lodgement, activity statements, payment plans, and correspondence — through a modern interface.

How do I log in to Online services for agents?

You sign in with myGovID (Australia's digital identity app) linked to Relationship Authorisation Manager (RAM). Your practice principal authorises staff in RAM, and each staff member uses their own myGovID to sign in — there are no shared passwords.

How do I add a new client to my agent list?

In Online services for agents, go to Client details → Add client, enter the client's TFN or ABN, and confirm the identifying details. The client is added to your agent list and appears in your practice-wide client register.

Can I lodge tax returns directly through Online services for agents?

You can lodge activity statements, fringe benefits tax returns, and some forms directly, but most firms lodge income tax returns through a Practitioner Lodgement Service (PLS) enabled software package that talks to the ATO on your behalf.

What's the difference between the ATO Tax Agent Portal and a client portal like TaxAgentPortal?

The ATO portal is where you interact with the ATO. A client portal like TaxAgentPortal is where you interact with your clients — collecting documents, running organizers, getting engagement letters signed, and tracking jobs. Firms use both.