Data as of Aug 25, 2026 · Based on 315 AI responses from ChatGPT Search and Google AI Mode · See how Parse measures this
Brands AI recommends here
Named in 22% of answers
Named in 12% of answers
Named in 8% of answers
Named in 8% of answers
For a Controller preparing for a company’s **first external financial statement audit**, the biggest mistake is treating it as a year-end request for documents. The best approach is to run a **mock audit months before the auditors arrive** and build an organized evidence trail around the areas most likely to matter.…
For a Controller preparing for a company’s first external financial statement audit, the biggest mistake is treating it as a year-end request for documents. The best approach is to run a mock audit months before the auditors arrive and build an organized evidence trail around the areas most likely to matter.
Auditors generally work from financial-statement risks down to significant accounts, assertions, controls, and supporting evidence.
Before doing anything else, meet with the audit partner/manager and establish:
Ask the auditors for their preliminary PBC list as early as possible. Then turn it into your internal project plan rather than waiting for requests to arrive.
Before the audit begins, make sure the general ledger is effectively "frozen" for the period being audited.
At minimum, have:
A good rule is:
Every material balance on the balance sheet should have a reconciliation, and every reconciliation should have supporting evidence and a documented review.
Create a structured electronic audit room with folders such as:
01 Financial Statements
02 Trial Balance & General Ledger
03 Cash & Investments
04 Accounts Receivable
05 Inventory
06 Fixed Assets
07 Accounts Payable & Accrued Expenses
08 Debt
09 Revenue
10 Payroll & Benefits
11 Taxes
12 Equity
13 Leases
14 Related Parties
15 Commitments & Contingencies
16 Significant Estimates
17 Internal Controls
18 Legal & Corporate
19 Subsequent Events
20 Audit Requests & Responses
For each major account, prepare a lead schedule showing:
Beginning balance + activity = ending balance, with the ending balance agreeing to the GL.
That one practice can make the audit dramatically smoother.
First audits tend to expose areas where accounting has historically been based on "this is how we've always done it."
Create a memo for every significant or judgmental accounting area, for example:
For each memo, document:
This is particularly important for estimates because auditors evaluate both the accounting and the assumptions underlying significant estimates.
Don't wait for the auditor to discover that controls exist only informally.
Map your major processes:
Order-to-cash → Revenue → AR → Cash
Procure-to-pay → AP → Cash
Payroll → Payroll liabilities → Cash
Record-to-report → Journal entries → Reconciliations → Financial statements
For each significant process, identify:
Auditors specifically consider the company's internal controls, including control design, implementation, IT, monitoring, and walkthroughs.
A control without evidence is very difficult to demonstrate to an auditor.
This is probably the highest-value preparation exercise.
Take the trial balance and pretend you're the auditor.
For every significant account, ask:
"If I didn't trust this number, what evidence would I need to prove it?" For example:
Cash
AR
Revenue
Fixed assets
Debt
AP/accruals
The objective is to identify the questions before the audit team does.
These areas frequently receive substantial audit attention because they can present significant risks.
For revenue, make sure you can explain:
Auditing standards specifically identify improper revenue recognition as a presumed fraud risk and require consideration of management override.
For journal entries, make sure you can produce:
Make a list of anything unusual during the year:
Don't try to hide these from the auditors.
Instead, prepare an accounting memo explaining them before the auditors ask.
Auditors are explicitly expected to consider significant unusual transactions and their business purpose, terms, accounting, and potential related-party implications.
The Controller shouldn't be the only person preparing for the audit.
Coordinate with:
Auditors don't restrict their risk assessment to the accounting department; they make inquiries of management, the audit committee, and others who may know about financial-reporting risks or fraud.
This is underrated.
Create one centralized tracker:
| Request | Owner | Due date | Status | Reviewer | Submitted |
|---|---|---|---|---|---|
| Bank confirmations | Treasury | 9/5 | Open | Controller | — |
| AR aging | Accounting | 9/6 | Complete | Controller | ✓ |
| Revenue contracts | Revenue Ops | 9/8 | Open | Controller | — |
Have one person coordinate submissions to the auditors.
Before anything goes out, ask:
Does this answer the question completely, and does it agree to the financial statements? Avoid sending auditors five slightly different versions of the same schedule.
Near completion, document what happened after year-end:
Have a documented process for determining whether an event requires adjustment or disclosure.
Toward the end of the audit, management will generally need to make representations to the auditors.
Don't treat this as a formality.
Before signing, make sure management has considered:
The Controller's job is not to answer every question immediately. It's to ensure that every answer is:
accurate + complete + consistent + documented.
If the auditor identifies an issue, determine whether it is:
Then document the resolution.
If I had to reduce all of this to 10 priorities, I'd make them:
The overarching principle is: don't prepare for the auditor's questions; prepare the company so that the answers are already documented. Auditors' risk assessment is explicitly designed to identify potential material misstatements and then drill down into significant accounts, disclosures, assertions, and controls.
If this is a private company preparing for its very first audit, I can also give you a practical first-year audit readiness checklist/PBC list in Excel-style format, organized by account, control, document, owner, and due date.
The Controller's job is not to answer every question immediately. It's to ensure that every answer is:
accurate + complete + consistent + documented.
If the auditor identifies an issue, determine whether it is:
Then document the resolution.
If I had to reduce all of this to 10 priorities, I'd make them:
The overarching principle is: don't prepare for the auditor's questions; prepare the company so that the answers are already documented. Auditors' risk assessment is explicitly designed to identify potential material misstatements and then drill down into significant accounts, disclosures, assertions, and controls.
Preparing for your company's first external audit can feel overwhelming, but breaking it down into a structured, phased approach makes it manageable. As a Controller, your primary goal is to shift from reactive scrambling to proactive project management. Here is the best way to prepare, broken down into sequential…
Preparing for your company's first external audit can feel overwhelming, but breaking it down into a structured, phased approach makes it manageable. As a Controller, your primary goal is to shift from reactive scrambling to proactive project management.
Here is the best way to prepare, broken down into sequential steps:
Engage with the audit partners early to agree on the audit timeline, reporting deadlines, and a formal PBC (Provided by Client) request list.
Establish clear expectations regarding materiality thresholds and the specific accounting frameworks (e.g., US GAAP or IFRS) required.
Draft the full financial statements—including the balance sheet, income statement, statement of cash flows, and required footnote disclosures—before the auditors arrive.
Perform a rigorous internal variance analysis (Current Year - Prior Year or Actual - Budget) and document the business reasons behind major fluctuations. Auditors will ask about these immediately.
Ensure every single balance sheet account (A = L + E) has a complete, signed-off reconciliation tied to the general ledger as of the audit date.
Focus heavily on high-risk areas: cash, accounts receivable (and the allowance for doubtful accounts), inventory counts/valuations, prepaid expenses, fixed asset depreciation schedules, and accrued liabilities.
Create a secure, well-structured digital data room (e.g., ShareFile, Google Drive, or your audit firm’s portal) with a folder structure mirroring the auditor’s PBC list.
Name files logically (e.g., PBC_1.1_Cash_Reconciliation_1231.pdf ) and ensure every document has supporting sub-ledgers, invoices, or contracts cross-referenced.
Document key financial processes, especially around revenue recognition, payroll, and purchasing.
Ensure appropriate segregation of duties is in place and that journal entries require a secondary review and approval. Auditors will test these controls during their walkthroughs.
Designate a single point of contact (usually the Controller or an Accounting Manager) to manage all communication and document requests from the audit team to prevent conflicting information.
Brief department heads and operational leads (HR, Sales, Operations) so they know they may need to provide supporting documents for payroll, contracts, or inventory.
If you'd like, let me know:
I can provide a more tailored PBC checklist or specific risk areas to look out for.
No sources cited
Preparing for a company's first external audit can feel overwhelming, but breaking it down into a structured, phased approach makes it manageable. As a Controller, your goal is to transition the company from internal-only reporting to institutional-grade financial controls and…
Preparing for a company's first external audit can feel overwhelming, but breaking it down into a structured, phased approach makes it manageable. As a Controller, your goal is to transition the company from internal-only reporting to institutional-grade financial controls and documentation.
Here is a step-by-step roadmap to get you audit-ready:
Would you like me to expand on any of these areas, such as:
The best approach is to **treat the first audit as a project, not as an event at year-end**. The Controller’s job is to make sure the books are supportable, accounting judgments are documented, controls are understood, and the audit team can get what it needs without disrupting the business. For a first audit, I’d…
The best approach is to treat the first audit as a project, not as an event at year-end. The Controller’s job is to make sure the books are supportable, accounting judgments are documented, controls are understood, and the audit team can get what it needs without disrupting the business.
For a first audit, I’d focus on these areas, roughly in this order:
Before fieldwork, meet with the audit partner/manager and establish:
Audit planning considers the company's business, internal controls, risks, accounting complexity, and available evidence, so giving the auditors a well-organized picture of the company early can make the process substantially smoother.
This is probably the single highest-value thing a Controller can do.
For every material balance-sheet account, have a reconciliation that ties to the general ledger and supporting documentation.
At minimum, I'd want:
Don't wait for the auditor to discover unreconciled accounts. Identify the differences yourself and resolve or document them before fieldwork.
A first audit often exposes areas where the company has historically made reasonable accounting decisions without formally documenting why.
Create short accounting memos for significant or judgmental areas, such as:
The objective isn't to create enormous technical papers. It's to establish a clear trail:
What is the accounting conclusion? → What guidance supports it? → What assumptions/data were used? → Who reviewed/approved it?
Don't let the audit become 200 emails flying around the Controller's office.
Create one master tracker with columns such as:
| Request | Owner | Due date | Status | Reviewer | Auditor follow-up | Final location |
|---|---|---|---|---|---|---|
| Bank confirmations | Treasury | 9/15 | Open | Controller | — | PBC/01 |
| AR aging | AR Manager | 9/18 | Complete | Controller | — | PBC/02 |
| Debt agreements | Controller | 9/18 | Open | CFO | — | PBC/03 |
Use a controlled folder structure and consistent naming conventions. Keep the final version of every submission in one place.
This sounds mundane, but it can dramatically reduce the Controller's workload during fieldwork.
You don't necessarily need a giant SOX program, particularly if you're a private company. But you should be able to explain how important financial processes work.
For each significant process, document:
Initiation → Authorization → Processing → Reconciliation → Review
For example, for revenue:
Customer contract → order entered → invoice generated → revenue recognized → AR reconciled → revenue report reviewed. Pay particular attention to:
Management remains responsible for establishing and maintaining internal control; the external auditor's role is to independently evaluate and test what is relevant to the audit.
This is one of the biggest differences between a first audit and a recurring audit.
The auditors have to obtain sufficient appropriate evidence supporting the opening balances, and initial-audit planning specifically includes determining procedures necessary for those balances.
So don't focus exclusively on the current year.
For example, if you're auditing 2026 for the first time, expect questions about how you got to the January 1, 2026 balances. Some balances may require historical documentation.
I'd assemble:
If another CPA firm previously audited the company, the successor auditor may also need to communicate with the predecessor auditor.
Have a private meeting with the CFO/CEO and ask:
"What could surprise the auditors?" Think broadly:
It's much better for the Controller to tell the audit manager about a complicated transaction on day one than for the auditor to stumble across it in week four.
This is probably the highest-return exercise if you have enough time.
Pick the 15–20 accounts/areas most likely to receive attention and pretend you're the auditor.
Ask:
"If I were an auditor, what evidence would I request to prove this balance is complete, accurate, properly valued, and properly presented?" Then see whether you can produce it immediately.
If you can't, you've found a readiness gap.
Before giving the auditors draft financial statements, have the Controller/CFO perform a serious financial-statement review.
Check:
The financial statements remain management's responsibility; the auditor isn't there to make management's accounting decisions for it.
During fieldwork, I'd run a short audit meeting every day or every other day:
Open requests → New issues → Blockers → Adjustments → Next deadlines
Maintain an "audit issues log" containing:
This prevents the same issue from being researched three different times.
If I were the Controller, I'd organize it this way:
Don't simply file the report away. Build a "lessons learned / remediation" list from every audit adjustment, control deficiency, documentation problem, and recurring auditor question. The second audit should be materially easier than the first.
The most useful way to think about it is:
Don't prepare for the auditor's questions. Prepare the evidence that makes the questions easy to answer.
A good first-audit package allows an auditor to trace:
Financial statement → GL → reconciliation → supporting schedule → source document → accounting conclusion.
If you can do that consistently for the significant accounts and transactions, you're in a very strong position.
One important caveat: the exact preparation program depends heavily on whether this is a private-company GAAS audit, SEC/PCAOB audit, lender-required audit, acquisition-related audit, or another type of engagement. PCAOB requirements, for example, have additional considerations for initial audits and opening balances.
If you're the Controller actually going through a first audit, I can also give you a detailed first-audit Controller checklist organized by 90 days / 60 days / 30 days / fieldwork, including the specific PBC schedules I'd prepare.
For a Controller preparing for the company’s **first external financial statement audit**, the best approach is to treat it as a **project to make the company “audit-ready,” not simply a year-end accounting exercise**. The key is to eliminate surprises before the auditors arrive. ### 1. Get clear on the audit scope…
For a Controller preparing for the company’s first external financial statement audit, the best approach is to treat it as a project to make the company “audit-ready,” not simply a year-end accounting exercise.
The key is to eliminate surprises before the auditors arrive.
Meet with the audit partner/manager early and establish:
Management—not the auditor—is responsible for the financial statements, disclosures, accounting records, and maintaining appropriate internal controls.
This is probably the highest-value exercise.
For every significant balance-sheet and P&L account, ask:
“If the auditor asked me to prove this balance tomorrow, could I?”
Work through:
For each material account, have a reconciliation + supporting documentation + explanation of significant movements ready.
A first audit often exposes years of accumulated cleanup issues.
Review every balance-sheet account and classify it as:
A. Reconciled and supported
B. Requires adjustment
C. Requires investigation
Pay particular attention to old:
Don't wait for the auditor to discover these. Find them first, quantify them, and resolve them.
Create one centralized audit folder/portal organized by audit area.
A good structure is:
01 Financial Statements
02 Trial Balance / General Ledger
03 Cash
04 Accounts Receivable
05 Inventory
06 Fixed Assets
07 Accounts Payable
08 Accrued Liabilities
09 Debt
10 Revenue
11 Payroll
12 Taxes
13 Leases
14 Equity
15 Related Parties
16 Legal / Contingencies
17 Subsequent Events
18 Internal Controls
19 Accounting Policies
20 Disclosures
Don't just upload documents. Make them auditor-friendly—clearly labeled, tied to the GL, and easy to trace.
The auditors will want to understand why you account for things the way you do.
Document policies for areas such as:
For significant estimates, document the methodology, assumptions, source data and management's rationale. PCAOB standards specifically contemplate auditor consideration of critical accounting policies, estimates, assumptions and significant unusual transactions.
You don't necessarily need a massive SOX program for a private company's first audit, but you should understand and document the controls around significant financial processes.
At minimum, map:
Transaction → Recording → Reconciliation → Review
For example:
Revenue
→ customer order
→ invoice
→ revenue recorded
→ AR reconciled
→ revenue/AR reviewed
Cash
→ bank activity
→ GL posting
→ bank reconciliation
→ independent review
Payroll
→ payroll preparation
→ payroll processing
→ GL posting
→ payroll reconciliation
→ management review
Also identify segregation-of-duties problems. If the same person can create a vendor, approve an invoice, and release payment, know that before the auditor asks.
For an integrated ICFR audit, the expectations are substantially more formal; PCAOB AS 2201 addresses management's assessment and the auditor's testing of internal control over financial reporting.
This is one of the most useful Controller tools.
| Issue | Estimated $ impact | Accounting treatment | Status | Auditor discussion? |
|---|---|---|---|---|
| Old AR balance | $XX | Write-off | Open | Yes |
| Revenue cutoff | $XX | Adjustment | Resolved | Yes |
| Lease classification | $XX | Under review | Open | Yes |
Don't hide problems from the auditors. Instead, determine your position first.
A Controller who says, “We identified this issue, investigated it, quantified it, and here's our conclusion,” presents a dramatically stronger control environment than one who discovers every issue in response to an audit request.
If the company has an audit committee, don't let the first meaningful discussion happen during the audit.
The auditor will communicate its overall audit strategy and timing, significant risks, critical accounting matters, and other significant matters to the audit committee.
The Controller should therefore be prepared to explain:
Appoint one person—usually the Controller—as the audit coordinator.
Have the audit team submit requests through a central tracker containing:
Avoid having auditors independently chase 15 different employees. It creates confusion and makes the company look less organized.
Also establish a rule:
No accounting question gets answered casually.
If an auditor asks, "Why did revenue increase 37%?", the answer should come from an agreed analysis—not someone's off-the-cuff explanation.
First-time audits frequently uncover disclosure requirements management has overlooked.
Have the auditor or accounting adviser help identify applicable disclosures, including:
90–120 days before audit
60–90 days
30–60 days
2–4 weeks before fieldwork
During the audit
The Controller should not try to make the company look perfect.
Instead, aim for:
“We know what is in our financial statements, we can support it, we understand our risks, and we know where the problems are.”
That's what makes a first audit go smoothly.
If I were building the Controller's preparation program from scratch, I'd prioritize (1) balance-sheet reconciliations, (2) a detailed PBC tracker, (3) accounting-policy/estimate documentation, (4) internal-control mapping, and (5) a mock audit. Those five activities will uncover most of the issues before the external auditor does.
Preparing for a company's **first external audit** is a massive milestone, and as the Controller, you're in the driver's seat. It can feel overwhelming, but a structured, phased approach will keep you and your team…
Preparing for a company's first external audit is a massive milestone, and as the Controller, you're in the driver's seat. It can feel overwhelming, but a structured, phased approach will keep you and your team sane.
Here is the best way to prepare, broken down into sequential steps:
If you'd like, let me know:
I can give you a tailored checklist or specific advice for that area.
For a Controller preparing for the company’s **first external financial-statement audit**, the best approach is to treat it as a **project to make the books, controls, documentation, and people audit-ready—not simply as a year-end accounting exercise**. A practical sequence is: 1. **Align with the auditor early**
For a Controller preparing for the company’s first external financial-statement audit, the best approach is to treat it as a project to make the books, controls, documentation, and people audit-ready—not simply as a year-end accounting exercise.
A practical sequence is:
Align with the auditor early
Get the general ledger and financial statements "clean"
Build an audit-ready evidence file
For each significant account, be able to answer: What is the balance? Why is it correct? What evidence proves it?
Typical support includes:
Document the key accounting policies and judgments
Don't make the auditor reconstruct your accounting conclusions. Create short memos for areas requiring judgment, explaining:
Management is responsible for the financial statements and for designing, implementing, and maintaining relevant internal control.
Map and test your key internal controls
At minimum, document the major processes affecting financial reporting:
For each important control, identify who performs it, what they do, when they do it, what evidence they retain, and who reviews it. Auditors focus on controls relevant to the risk of material financial-statement misstatement.
Perform your own "mock audit"
This is probably the highest-value preparation step. Take the auditor's PBC list and pretend you're the auditor:
Fix weaknesses before the auditor finds them.
Create a PBC tracker
Use one centralized tracker with columns such as:
Request | Owner | Due date | Status | File/link | Auditor question | Finalized date
Avoid sending dozens of disconnected emails and attachments. A controlled document repository makes the first audit dramatically easier.
Prepare the team for auditor interaction
Tell employees:
Also make sure the accounting team has enough capacity to handle audit requests alongside normal close responsibilities. Poor planning can cause delays and increased costs.
Establish a "no surprises" process
Significant transactions should reach the auditor early rather than appearing for the first time during fieldwork:
If you're unsure about an accounting treatment, raise it with the auditor early.
Get management and the board/audit committee ready
Make sure leadership understands that an audit isn't simply a validation of the Controller's work. Management retains responsibility for the financial statements and underlying controls.
Before fieldwork, brief leadership on:
Don't aim for "the auditors don't find anything." That's unrealistic.
Aim for:
Every material number has a clear reconciliation, every significant accounting judgment has a documented rationale, every important control has identifiable evidence, and every auditor request has a clear owner and timely response.
If you accomplish those four things, the first audit becomes much more predictable—and the audit findings become opportunities to strengthen the finance function rather than unpleasant surprises.
One important distinction: if this is a public-company/PCAOB audit, the preparation needs to go further because the audit may include an integrated assessment of internal control over financial reporting (ICFR), with specific control-testing requirements.
Preparing for a company's first external audit can feel overwhelming, but a structured approach turns chaos into a manageable project. As a **Controller** , your role is to act as the chief architect of the audit readiness…
Preparing for a company's first external audit can feel overwhelming, but a structured approach turns chaos into a manageable project. As a Controller , your role is to act as the chief architect of the audit readiness process.
Here is the best way to prepare, broken down into sequential steps:
PBC_01_Cash_Recon_Dec2025.pdf).If you'd like, I can:
Provide a sample PBC (Provided by Client) checklist List common first-year audit pitfalls to avoid Help draft an audit readiness communication for the executive team
Preparing for a company's first external audit can feel overwhelming, but a structured approach turns chaos into a manageable project. As a Controller, your main job is shifting the finance function from internal-only visibility to an audit-ready…
Preparing for a company's first external audit can feel overwhelming, but a structured approach turns chaos into a manageable project. As a Controller, your main job is shifting the finance function from internal-only visibility to an audit-ready state.
Here is the best phased roadmap to get you audit-ready:
If you'd like, let me know:
I can give you a more targeted checklist or sample request items for that specific area.
The best approach is to treat the first external audit as a **financial-reporting readiness project**, not simply as “getting documents ready for the auditors.” The Controller's goal is to make three things easy to demonstrate: 1. **The numbers are correct.**
The best approach is to treat the first external audit as a financial-reporting readiness project, not simply as “getting documents ready for the auditors.”
The Controller's goal is to make three things easy to demonstrate:
Auditors are expected to obtain evidence supporting financial-statement amounts and disclosures, assess accounting principles and significant estimates, and understand relevant internal controls.
Before the auditors arrive, perform a thorough close and balance-sheet review:
A useful rule: if you can't explain a balance-sheet account to an auditor in five minutes and produce supporting evidence, it's probably not ready.
Create a short accounting-policy package covering areas such as:
For every significant estimate, document what management believes, how it was calculated, the assumptions used, and why those assumptions are reasonable.
This is especially important because auditors specifically evaluate the accounting principles used and significant estimates made by management.
PBC means Prepared by Client. Don't wait for the auditor's request list.
Create a folder structure organized by financial-statement area:
| Area | Typical support |
|---|---|
| Cash | Bank reconciliations, statements, confirmations |
| AR | Aging, subsequent receipts, allowance calculation |
| Inventory | Counts, valuation, obsolescence analysis |
| Fixed assets | Rollforward, invoices, depreciation |
| AP/accruals | Aging, subsequent disbursements, accrual schedules |
| Debt | Agreements, confirmations, amortization |
| Revenue | Contracts, reports, reconciliations |
| Payroll | Payroll registers, tax filings, accruals |
| Equity | Cap table, stock issuances, board minutes |
| Taxes | Returns, provision/reconciliation |
| Leases | Contracts and lease schedules |
| Financial statements | Trial balance, lead schedules, disclosures |
Make the supporting schedule independently traceable to the GL. That saves enormous time during the audit.
Don't over-engineer this. Start with the major transaction cycles:
Order-to-cash → Procure-to-pay → Payroll → Treasury → Financial close → Revenue → Inventory/fixed assets → Equity/debt
For each process, document:
For a public company or an engagement involving an ICFR opinion, this becomes particularly important: effective ICFR is intended to provide reasonable assurance over the reliability of financial reporting, and auditors evaluate the design and operating effectiveness of controls.
This is probably the highest-return exercise before the real audit.
Have someone who wasn't involved in preparing the accounts act like the auditor and ask:
"Show me the evidence."
For every significant account, test whether you can go:
Financial statement → GL → subledger → reconciliation → source document → approval/control evidence
Then have them challenge:
The gaps you discover are your pre-audit remediation list.
Assign one person—usually the Controller—as the audit quarterback.
Maintain an audit tracker with:
Don't let auditors get five different answers from five different employees.
Also establish a regular meeting with the audit team during fieldwork so questions don't accumulate for weeks.
The worst first-audit experience is discovering a major issue halfway through fieldwork.
Before the audit, explicitly identify:
Tell the auditor about significant issues early. Surprises tend to consume much more time than known problems.
A first audit often uncovers legitimate adjustments. That's normal.
The objective isn't to make the trial balance look perfect before the auditors arrive. It's to have a well-supported, transparent accounting position and understand where judgment is involved.
Good documentation can turn:
"We think this is right."
into:
"Here is the policy, calculation, source data, management review, and reconciliation supporting why we believe this is right."
That is a dramatically better audit conversation.
90–60 days out
60–30 days out
30–0 days out
During the audit
For a first audit, I would prioritize reconciliations → accounting policies → supporting schedules → controls → mock audit → audit logistics, in that order.
The biggest mistake is focusing on producing documents after the auditor requests them. The strongest Controllers instead build an audit-ready evidence trail before fieldwork begins. Audit documentation exists precisely to provide the basis for significant conclusions and the evidence supporting them.
If this is a private company preparing for its first financial-statement audit, the approach can be considerably lighter than a public-company/SOX readiness exercise. If it's a first audit because the company is going public, the control and disclosure work should be substantially more rigorous.