
What should you check before hiring tax audit support?
If the Australian Taxation Office has contacted you, or you want reassurance that your records would stand up to scrutiny, a rapid, focused vetting process will save time and risk. This article explains what "tax audit support" typically covers and gives a concise, question-led checklist you can use right away to evaluate providers. Where useful, it points to local options and processes offered by Advanced Accounting Taxation & Business Services in Parramatta and Liverpool.
What tax audit support means and what it usually covers
"Tax audit support" refers to specialist help you engage when the ATO reviews your affairs or when you need a formal response to an information request or audit notice. It differs from routine tax compliance because it focuses on representation, evidence handling and dispute management. Typical services include:
- Review and interpretation of the ATO notice, and preparing an initial response.
- Collecting, organising and securing source records for the period under review.
- Preparing written explanations and reconciliations for BAS, PAYG withholding, STP feeds or company tax items.
- Representation and negotiation with the ATO, including meetings and clarifying technical points.
- Remediation advice to fix record keeping or reporting gaps and reduce future exposure.
- Where appropriate, coordination with solicitors, auditors or SMSF specialists for complex matters.
Local firms such as Advanced Accounting Taxation & Business Services list audit and assurance alongside STP and BAS services, which indicates integrated capability for both reconciliation and representation during reviews. For related first-party details, review audit and assurance services.
When you should contact tax audit support
Contact support as soon as you receive an ATO information request, review letter or audit notice. Early engagement matters for three reasons: it prevents rushed, incomplete responses; it preserves evidence and contextual timelines; and it allows a professional to manage communications with the ATO under an organised plan. The ATO promotes a cooperative approach to information gathering, which makes early, transparent engagement advantageous.
If your concern is narrower, for example payroll or STP anomalies, engaging a firm that handles STP compliance and BAS lodgement will speed the technical fixes and the ATO dialogue. Many businesses combine a remedial plan with ongoing bookkeeping or payroll improvements to prevent repeat notices.
Seven vetting questions to ask every provider before you engage

Use these seven questions to probe capability, authority and the real scope of the engagement. Ask for clear, written answers so you can compare providers objectively. The list below expands each question with what to expect in a useful reply.
1. Have you handled ATO audits like mine before?
Ask for the types of ATO reviews they have handled. A good answer names the area of focus, for example BAS or payroll/STP, company tax, or SMSF reviews, and describes the kind of task they performed, such as preparing reconciliations or representing a client in an interview. Firms with end-to-end offerings for audit and assurance and payroll compliance are better placed to deal with cross-cutting issues.
2. Who will represent my business to the ATO and what are their rights?
Confirm whether the person who will act is a registered tax agent and whether they will be authorised to interact with the ATO on your behalf. Representation rights differ from general bookkeeping tasks, and you should ask for the agent's registration details and an explanation of when the firm will request your signed authority.
3. Exactly what deliverables and timelines do you commit to?
Get specifics. A credible provider will offer a short written scope that states the tasks they will complete, expected delivery dates for an initial assessment, and internal response SLAs for questions. Avoid firms that only promise to "handle it" without naming the outputs and timing.
4. How do you charge for audit work and what triggers extra fees?
Clarify whether the fee is hourly, fixed for phases, or a capped estimate. Ask what counts as out-of-scope work, how they invoice, and whether they will provide a written estimate before performing materially different tasks. Require a written cost estimate or a fee cap for common phases, for example the initial review versus representation at an interview.
5. How will you preserve evidence and recommend document fixes?
Probe how they gather and store records, who will be responsible for chain of custody, and whether they will produce a documented remediation plan. Practical answers include cloud-based evidence folders, a timestamped audit trail, and specific recommendations to fix bookkeeping or STP reporting gaps.
6. Do you have conflicts or insurance to cover professional risk?
Ask if the firm has any conflicts of interest with parties involved, and request confirmation of professional indemnity insurance. Insurance does not remove the need for good practice, but it is reasonable comfort for professional risk and negligence issues.
7. Can you show references or anonymised case examples of similar work?
Request anonymised examples or client references that demonstrate relevant audit experience. If a provider refuses to offer any examples at all, treat that as a warning sign. If they can share sanitized case notes, you will better understand the likely approach and outcomes.
Common mistakes and red flags that increase audit risk
Owners often increase their risk or reduce their negotiating leverage through simple mistakes. Watch for these common problems when hiring support or responding to notices:
- Hiring a provider who cannot show audit experience in the relevant area. General bookkeeping experience does not always translate to effective audit representation.
- Agreeing to verbal fee estimates with no written cap. Open ended hourly arrangements can escalate unexpectedly under audit pressure.
- Letting multiple advisers respond to the ATO independently. Fragmented responses create inconsistent explanations and weaken your position.
- Delaying engagement until after the first deadline. Early engagement preserves evidence and opens cooperative dialogue with the ATO.
- Accepting vague deliverables such as "we will help" without defined outputs and dates. Use official consumer guidance when choosing an adviser and insist on clear tasks and responsibilities.
Documents and records to have ready before you call for support
Preparing a short packet of priority documents speeds the initial assessment. Provide a secure copy or access to the items below so the adviser can form an initial view without delays:
- The ATO notice or request, including any cover letter and deadline.
- Relevant BAS returns and the underlying reconciliations for the periods in question.
- Payroll records and Single Touch Payroll reports for flagged periods.
- Bank statements, merchant statements and reconciliations for the period under review.
- Sales records, invoices and credit notes linked to the points raised by the ATO.
- SMSF documents, trustee minutes and investment records if the review involves superannuation.
- Any prior correspondence with the ATO and notes of phone calls or outcomes.
Having these ready lets a firm provide a rapid initial assessment and a written estimate for next steps.
How a local Sydney firm can help with STP, BAS and PAYG during an ATO review

Local firms with offices in Parramatta and Liverpool can offer practical advantages. They combine proximity for face-to-face meetings with experience of local business conditions. A firm that lists STP compliance, BAS lodgement and year-end reporting among its core services can coordinate reconciliations and remedial filings quickly. Check office details and contact options on the firm's website.
Cloud-enabled workflows and partnerships with common platforms make it faster to share evidence and maintain an audit trail. If a firm uses Xero, MYOB or QuickBooks and offers controlled document folders, they can reduce the friction of evidence transfer and speed the ATO response.
Fees, engagement terms and representation rights you must get in writing
Before you sign, require a short engagement letter that includes all of the following:
- A clear scope of services and a description of out-of-scope work.
- A fee structure, with an estimate or cap for the initial phases, and rules for charging for additional work.
- Who will represent you to the ATO, and a statement about registration as a tax agent where relevant.
- Confidentiality arrangements and records retention policies.
- A communication plan and nominated contact for updates and approvals.
Getting these items in writing reduces misunderstandings and gives you leverage if the scope of work changes.
Final checklist and next steps for Sydney business owners
Use this short checklist when you call for a fast audit-readiness review:
- Have the ATO notice and priority records ready for review.
- Ask each prospective provider the seven vetting questions above, and get written answers.
- Require a written engagement letter that includes scope, fees, representative name and timelines.
- Confirm whether the provider will fix STP, BAS or PAYG issues as part of the engagement or separately.
- Choose a provider that can both represent you and recommend record-keeping improvements.
If you would like a quick audit-readiness check or to discuss your options, book a free initial consultation with a local office that lists audit and assurance, STP and BAS services on its site at Advanced Accounting Taxation & Business Services. Would you like to book a quick assessment with a local adviser?
Frequently asked questions
What does tax audit support include and how is it different from regular accounting?
Tax audit support focuses on responding to ATO inquiries, preparing evidence packages, representing you in communications and negotiations, and providing remediation plans. Regular accounting covers day-to-day compliance such as bookkeeping, payroll or BAS lodgements. Audit support is outcome-driven and often requires different documentation and representation skills.
Can my accountant represent me to the ATO during an audit and what proof should I ask for?
Yes, a registered tax agent can represent you. Ask for the adviser’s tax agent registration details and a written authority form that allows them to act for you. Confirm the circumstances in which they will contact the ATO directly.
How quickly should I contact tax audit support after receiving an ATO notice?
Contact support immediately. Early engagement preserves evidence and opens constructive dialogue under the ATO's cooperative approach to information gathering.
What records does a firm usually need to review for an ATO payroll or BAS audit?
Typical records include BAS returns, payroll registers, STP reports, bank statements, sales invoices, supplier invoices and reconciliations. If the matter involves SMSF, trustees' minutes and investment records are also required.
What are common red flags to watch for when a firm describes their audit services?
Be cautious when a provider cannot show relevant audit experience, refuses to provide a written estimate, gives vague deliverables, or suggests piecemeal communications with the ATO without a clear plan. Use official consumer guidance when selecting an adviser and require written engagement terms.
Advanced Accounting Taxation & Business Services is available for a free initial consultation and a fast audit-readiness review if you are in Parramatta, Liverpool or elsewhere in Sydney. Would you like to book a quick assessment with a local adviser?
