Top 10 Best Private Equity Audit Services of 2026

Crowe’s core capability is executing audit workstreams that connect fund financial reporting to underlying portfolio company records, including ownership verification and investment existence testing. Deliverables are typically organized around the fund’s investor statements and the tie between commitment schedules, capital calls, and distribution waterfall mechanics. Teams also manage valuation process inputs and reconciliation evidence so audit work can flow from valuation committee outputs to final financial statement presentation.

A tradeoff is that Crowe’s strength in evidence traceability and multi-entity coordination can increase reliance on client-provided valuation and ownership documentation from multiple portfolio companies. Crowe works best when there is a defined valuation process, a stable chart of accounts mapping to fair value categories, and consistent investor statement data ready for tie-out.

EY is well aligned to diligence needs that require fund-level audit execution alongside investor-level reporting deliverables, including reconciliation work that traces to NAV support. Engagement teams commonly build audit evidence request lists early and map them to specific reporting schedules, which reduces churn when capital accounts, allocations, and waterfall components change. Strength is most visible when portfolio company valuation packages need consistent review handling and when ownership verification must be validated across multiple entities and subsidiaries.

A common tradeoff is that large-firm coordination can slow turnaround when a team expects rapid, iteration-heavy cycles during diligence. EY fits situations where governance discipline and traceable documentation matter, such as an acquisition diligence timeline that must reconcile prior NAV methodologies and ensure investment valuation support is audit-ready.

PwC engagements commonly map diligence requests to audit evidence categories, then route responses through review checkpoints that reduce rework when facts change late in underwriting. Teams are equipped to examine investment existence testing, ownership verification, and investment valuation packages that tie back to fair value hierarchy disclosures and underlying support. Portfolio company audit coordination is usually handled in a way that keeps valuation inputs consistent across the fund reporting chain.

A key tradeoff is that governance-heavy workflows can slow turnaround when deal timelines demand rapid gap filling without formal documentation. PwC fits best when diligence covers multiple portfolio companies and investors need a clear audit evidence trail, not only a high-level conclusion.

BDO delivers private equity audit services through a global network that supports fund-level financial statement audits and portfolio company audit workflows. Engagement teams typically manage valuation-focused deliverables and investor reporting packages with standardized documentation and audit evidence tracking.

Delivery quality is driven by experienced audit professionals who coordinate planning, testing, and reporting across complex ownership and reporting structures. For diligence-led teams, BDO is most useful when audit execution needs consistent controls over evidence requests and review cycles from fieldwork through issued reports.

Grant Thornton supports private equity audit and assurance work across fund-level reporting and portfolio company audits, with delivery led by audit professionals rather than only tool-mediated workflows. Engagement teams typically organize audit evidence around valuation and reporting controls used for investor deliverables, including NAV and valuation package reviews.

The firm’s differentiator is how audit scoping and documentation practices are integrated into standard financial statement audit execution for investment and partnership structures. For diligence-led assignments, Grant Thornton can staff through complex investment accounting themes and investor reporting timelines, with a focus on audit defensibility and traceable evidence.

Plante Moran delivers private equity audit services with a focus on investment and portfolio workflows that mirror fund and investor reporting deliverables. Core work centers on financial statement audit execution for fund and portfolio entities, valuation support activities tied to fair value processes, and audit evidence management for complex schedules like ownership and capital account movements.

Delivery typically emphasizes documented methodologies for investment existence testing and valuation-related documentation needed for investor reporting. Engagement design fits diligence and audit cycles that require consistent execution across multiple portfolio companies and fund-level reporting packages.

Aprio differentiates as a mid-market oriented audit and assurance firm that brings private equity diligence workflows into its audit delivery, not just end-stage reporting. It supports fund-level and portfolio company audit execution, including coordination of audit evidence requests and investor-facing deliverables tied to limited partnership reporting needs.

Delivery governance is handled through defined planning, fieldwork, and review checkpoints that reduce rework during valuation and reconciliation cycles. Coverage breadth is strongest when engagements include recurring diligence requests across capital activity, NAV support, and ownership or existence testing.

Wipfli is an audit and assurance firm that supports private equity diligence with work products focused on financial statement audit execution and related evidence management. Its team model is designed for fund-level and portfolio-company audit readiness workflows that typically feed investor-level reporting deliverables.

Wipfli also supports investment valuation and NAV reconciliation needs by coordinating valuation package reviews with documentation trails used during audit fieldwork. The service mix is strongest when diligence teams need consistent audit evidence requests, controlled review steps, and repeatable execution across multiple entities.

BPM delivers private equity audit support by coordinating fund and portfolio-company evidence into investor reporting outputs. Its core work centers on investor reporting packages, valuation support workflows, and reconciliation of fund statements to underlying subscription, capital activity, and allocation schedules.

The service engagement typically functions as a managed review pipeline rather than a self-serve tool, so delivery quality depends on analyst staffing, evidence intake structure, and review cadence. BPM’s distinctiveness is the way it operationalizes investor-ready audit evidence requests into a consistent review package across multiple entities and reporting cycles.

CohnReznick serves private equity diligence teams that need repeatable audit execution across fund and portfolio reporting. The firm’s core work focuses on financial statement audit deliverables that support investor-level reporting and valuation discussions.

Engagement teams commonly coordinate evidence requests, reconcile reporting packages, and document conclusions for governance-ready documentation. Delivery fit is strongest when the diligence plan needs experienced execution and clear audit workpaper traceability across multiple entities.