Audit Preparation & PBC Support for CPA Firms
PBC request tracking, workpaper preparation, reconciliations and trial-balance tie-outs for review. The engaged auditor retains testing and conclusions.
Make the Evidence Easier to Work Through
Audit work can slow down before fieldwork begins when schedules, reconciliations, client documents and open requests are not organized. Preparation support keeps the evidence workflow moving so the engaged CPA firm or auditor can focus on professional judgment.
The Preparation Work Around the Audit
- Lead-schedule and supporting-workpaper preparation
- Bank and balance-sheet reconciliation schedules
- Tie-outs to the trial balance and source records
- Organization and indexing of records requested by the engagement team
- PBC request tracking and exception notes
- Workpaper formatting and reviewer handoff
Confirm the permitted scope before work starts
Before an assignment involving an attest client begins, the engaged CPA firm must assess the independence requirements and any stricter regulator or engagement-specific rules that apply. The scope should identify who oversees the preparation, who makes management decisions and who accepts the results. Access and work should begin only after those responsibilities and permissions are clear.
Preparation and organization
The delivery team can organize schedules, reconciliations, evidence and open-item documentation around the procedures and file structure established by the engagement team.
Judgment and final conclusions
- Audit planning, risk assessment and procedure design
- Sample selection and evaluation of evidence sufficiency
- Professional judgment, final conclusions and the audit opinion
- CPA firm supervision and the direct engagement relationship
- Client management decisions, oversight and acceptance of its responsibilities
Connect audit support to the work around the engagement
What “Audit Support” Actually Means
Audit support can refer to several different activities across an engagement. This page focuses on preparation and documentation support for CPA firms and their audit teams.
For CPA firms supporting an audit engagement
The work begins with the engagement team’s approved request list, templates, procedures and file conventions. Preparation support can organize requested records, tie schedules to source documents, maintain reconciliations and track outstanding items for the team’s review. The engagement team retains responsibility for supervision, audit procedures, evidence sufficiency and all conclusions.
The line that does not move
Audit support does not include forming an opinion, planning the audit, assessing risk, choosing samples, evaluating management’s representations, or concluding on an account balance. Those are auditor judgment, and no amount of preparation capacity changes who holds them.
Preparation can include schedules, tie-outs, reconciliations, PBC status tracking and indexing records selected by the auditor. The work is organized for the engagement team’s review; it does not replace the auditor’s evaluation of the evidence.
A useful handoff identifies the request, source records received, schedule or reconciliation prepared, cross-reference to supporting evidence, unresolved difference and next action. Remote delivery changes how communication is coordinated, not who owns audit procedures or conclusions; response timing depends on the agreed workflow and each party’s availability.
When Fieldwork Pulls the Finance Team Away From Its Own Close
The pressure often arrives when the finance team is already working through its normal period-end responsibilities. Requests from the audit side begin competing with those tasks, and people switch between answering questions, locating records and trying to keep routine work moving.
A useful handoff makes ownership visible. Each request needs a responsible person, a current status and a short explanation when it cannot yet be closed. That turns an uncertain inbox trail into a manageable list of work and makes it easier to see where the company needs to supply something further.
This support is limited to preparing the company's records and organizing its responses. Audit strategy, sampling decisions, assessment of evidence, findings and the independent opinion remain with the engaged auditor.
What an indexed file should make clear
A reviewer should be able to trace each supplied record to the relevant request and accounting period while retaining the original source. Indexing improves retrieval; it does not determine whether the evidence is sufficient for the audit.
The Preparation Work Behind a U.S. Audit File
An audit file is easier to review when schedules agree to the trial balance, requested records are indexed and open items are visible. Preparation follows the engagement team’s instructions and stays within an approved scope.
Lead schedules tied to the trial balance
Prepare lead schedules from the approved trial balance and general-ledger detail. Check arithmetic, tie totals to the trial balance, reference the supporting records and list unexplained differences for review rather than creating unsupported adjustments.
Discuss Lead schedules tied to the trial balanceReconciliation schedules within the agreed scope
Where the work is permitted and included in the assignment, prepare or update bank, receivable, payable, accrual, prepaid and intercompany reconciliations from the available source records. Show timing differences and exceptions clearly; accounting-policy decisions, write-offs and approval of adjusting entries remain with the responsible client or CPA.
Discuss Reconciliation schedules within the agreed scopePBC requests tracked item by item
Maintain the auditor’s prepared-by-client request list using the firm’s terminology and format. A useful tracker records the request reference, description, responsible source, due date, date received, status, missing information and next action. Escalate overdue, incomplete or unclear items; direct client follow-up requires the CPA firm’s authorization.
Discuss PBC requests tracked item by itemAuditor-selected sample records retrieved and indexed
After the auditor provides the selection and reference, retrieve the requested invoices, contracts or other source records through authorized access and index each item to the auditor’s reference. Flag missing, incomplete or mismatched records. Sample selection, procedure design, testing and evidence evaluation remain with the auditor.
Discuss Auditor-selected sample records retrieved and indexedWorkpapers formatted for reviewer handoff
Use the firm’s approved templates, naming conventions, folder structure and cross-references. Keep source references, preparer notes, unresolved differences and reviewer questions visible so the engagement team can review the preparation and decide what action is required.
Discuss Workpapers formatted for reviewer handoff
Related CPA-firm workflows
Frequently Asked Questions
Do you issue the audit opinion?
No. The engaged CPA firm or auditor issues the audit opinion and retains responsibility for the engagement, audit procedures, professional judgment and conclusions. Accounstone’s role is limited to agreed preparation and documentation tasks.
What work can be included in audit support?
A defined assignment may include lead schedules, trial-balance tie-outs, reconciliations, workpaper formatting, organizing records requested by the engagement team, indexing auditor-selected supporting documents and tracking open PBC requests. Accounting judgments, audit decisions and final review stay with the responsible professionals.
What does PBC mean, and can you work from the auditor’s list?
PBC is commonly expanded as “prepared by client”; some firms use “provided by client.” The auditor’s request list and engagement instructions control. Accounstone can organize requests item by item, map received records to the request, note missing information and update status without deciding which procedures the auditor should perform.
How are outstanding PBC requests tracked?
The tracker can record the request reference, description, responsible client contact, due date, date received, status, missing information and next action. Blocked or unclear items are escalated rather than marked complete. The CPA firm sets the communication channel and authorizes any direct client follow-up.
Can you retrieve support for auditor-selected samples?
Yes, when the engagement team supplies the sample selection and the relevant source records are available through authorized access. The records can be retrieved and indexed to the auditor’s reference, with missing or mismatched documents flagged. Accounstone does not select the samples or decide whether the records are sufficient audit evidence.
Do you perform audit testing, select samples or evaluate evidence?
No. Accounstone does not design or perform audit procedures, assess audit risk, select samples, evaluate evidence sufficiency or reach audit conclusions. Those responsibilities remain with the engaged audit team.
Can you work in the audit firm’s existing templates and file structure?
Yes, where the firm provides authorized access and the assignment is within the agreed scope. The handoff can follow the firm’s templates, naming conventions, folder structure, cross-references and review-note process.
What records are useful before audit support begins?
Useful starting inputs include the auditor’s PBC request list, trial balance or general-ledger export, prior-period schedules, relevant bank and balance-sheet reconciliations, supporting records, approved templates, access permissions, deadlines and the name of the reviewer or firm contact for questions. The engagement team determines the evidence and procedures required for the audit.
Who checks whether the work is permitted for an attest client?
The engaged CPA firm must assess the independence requirements and any stricter regulator or engagement-specific rules that apply before assigning work. The scope must also make clear who oversees the preparation, who makes management decisions and who accepts the results. Accounstone’s preparation role does not transfer those responsibilities.
How do you keep audit documentation traceable?
Prepared schedules and indexed records can be linked to the relevant request, account, period and source document. Missing records, unexplained differences and items awaiting a client or reviewer decision remain visible as open items. Source references and reviewer notes are preserved for the engagement team’s review.
Go deeper on the parts that matter
Talk to Us About Your Firm’s Busy Season
A free consultation, and a call that costs you nothing but the half hour. Tell us where the preparation is backing up and we will scope a pilot around it.
- Start with one client or one month of close work
- We prepare; your firm reviews, signs and e-files
- No EFIN, no banking control, no client-facing contact without your say-so
What Is Holding Up the Audit?
Tell us whether the pressure is coming from schedules, documentation, PBC follow-up or preparation capacity.