Winning a new accounting client is the easy part. The first three weeks after they say yes is where firms quietly lose margin: chasing the previous accountant for records, re-keying identity documents, drafting the same engagement letter from a five-year-old template, and answering the same onboarding questions by email. Claude can carry most of that load as a drafting and triage assistant, with a qualified person signing off every document before it leaves the office. Here is how Australian firms are putting it to work.
Where onboarding quietly loses money
A single new-client setup at a mid-size Australian firm can absorb three to five hours of senior time across the partner, the client manager and the admin team. At a charge-out rate of $300 an hour, that is roughly $1,500 of capacity spent before the first piece of billable work. Multiply it across forty new clients a year and the firm is spending the equivalent of $45,000 in loaded staff time on paperwork that barely changes from one client to the next. Most of that work is drafting and checking, not professional judgement, which is exactly the kind of task Claude handles well when it is given the firm's own templates and clear boundaries.
The ethical clearance letter, drafted in minutes
Under APES 110, the incoming accountant writes to the outgoing accountant to ask whether there is any professional or ethical reason the engagement should not proceed, and to request the client's records. It is a routine letter, but it still needs the client's name and entity details, the right tone, and a record that it was sent. Claude can draft the clearance letter from a short brief, produce the matching client authority for the release of information, and flag where a partner needs to confirm a detail. The reviewer reads a finished draft in under a minute instead of building one from a blank page.
Given the firm's own wording, Claude keeps every letter consistent with how the practice already communicates. A new graduate is not left guessing at the correct phrasing, and a partner is not rewriting the same paragraph for the hundredth time.
What Claude can draft in a single onboarding pack
The professional clearance (ethical) letter to the previous accountant, matched to your APES 110 wording.
The client authority to release information, ready for the client to sign.
The engagement letter and scope schedule, populated from the proposal you already agreed.
A plain-English welcome email that sets out what happens next and what you need from the client.
An internal setup checklist so nothing is missed between the partner, the manager and the admin team.
Client identification is changing, and Claude helps you keep the record
From 2026, Australia's anti-money-laundering rules extend to accountants and other professional service providers under the Tranche 2 reforms overseen by AUSTRAC. Firms that never had to think about customer due diligence now need to identify and verify each new client, keep the evidence, and record their reasoning. Claude does not verify identity for you, and it should never store a client's passport or licence. What it can do is run the checklist: prompt the team for the documents the policy requires, draft the client-facing request for identification, and write a short file note recording what was collected and when. Handled this way, the compliance trail is consistent across every client, and no partner is inventing the wording at 6pm.
What the client actually experiences
Onboarding is also the client's first taste of how the firm operates. When the welcome email arrives the same day, the engagement letter is clear, and the request for documents is specific rather than vague, the client starts the relationship with confidence. Claude helps the firm hit that standard every time, not only when the responsible partner has a quiet afternoon. Consistency in the first fortnight sets the tone for years of the engagement, and it is cheap to get right once the drafting is handled.
Putting Claude in the onboarding chair safely
The firms getting value from this are strict about one rule: Claude drafts, a human decides. Draft letters are reviewed by a qualified staff member before they go out. Client identity documents are handled in your existing secure system, not pasted into a chat. Anything that touches personal information sits under your obligations in the Privacy Act, so the firm sets clear rules about what data can and cannot be shared with the tool. A Sydney firm we work with runs the whole onboarding pack through Claude, then routes every document to a manager's review queue. The partners describe the change less as new technology and more as a very fast, very consistent junior who never skips a step and never gets the template wrong.
None of this replaces professional judgement, and it should not. What it removes is the retyping, the blank-page drafting and the missed steps that make onboarding feel heavier than the work that follows. For a firm setting up thirty or forty clients a year, that is real capacity handed back to the people who should be advising, not formatting. If you would like to map your own onboarding process and see where Claude fits, book a brainstorm with our team.
