What do auditor fees tell you about the integrity of a company's statements?

The company pays its external auditor to audit the financial statements and certify that they follow accounting standards. The auditor is supposed to be independent, skeptical, and willing to push back on management. But an auditor who earns a lot of money from the same company—either through audit fees or lucrative consulting work—faces incentive pressure. Item 14 of the 10-K discloses exactly how much the auditor earns and what it earns for. This is one of the most underread disclosures in the entire filing, yet it offers a clear window into auditor independence and the scope of the audit work.

Quick definition: Item 14 requires disclosure of fees the company paid to its principal (external) auditor for audit services, audit-related services, tax services, and all other services. Audit fees are for the annual audit and quarterly reviews. Audit-related fees cover employee benefit audits, compliance work, and other assurance tasks. Tax fees cover tax advice and compliance. Other fees cover everything else—sometimes substantially.

Key takeaways

• Audit fees are the baseline, typically 30–50% of total auditor fees for large public companies. The absolute amount matters less than the ratio of total auditor fees to audit fees—high ratios signal non-audit work that may impair independence.
• Non-audit services (tax planning, management consulting, IT services) paid to the same auditor create financial incentives that can compromise independence. The SEC limits these but does not ban them, and the rules have weaknesses.
• Very high auditor fees in absolute terms—or auditor fees rising sharply year-over-year without clear business justification—are yellow flags. They may indicate audit complexity, but they may also indicate scope creep or inflated pricing.
• The audit committee should pre-approve all auditor fees, and Item 14 should disclose whether they did. Pre-approval is a control on scope creep and is now required for audit and audit-related fees.
• Auditor fees vary widely by company size, complexity, and industry. A financial institution or multinational will pay more than a simple domestic retailer. Comparing raw dollars across peers is less useful than comparing fees as a percentage of revenue or market cap, or comparing audit-to-total-fee ratios.

What fees are disclosed in Item 14?

Audit fees

These are the fees for the annual audit of the financial statements and quarterly reviews of interim statements. For large cap companies, this is typically the largest single fee category. Audit fees include partner time, senior manager oversight, staff hours, and travel. They also include fees for comfort letters to underwriters in equity offerings and fees for any audits required by other regulators (e.g., bank regulatory audits).

Audit fees are the hardest to negotiate because scope is driven by accounting standards and regulatory requirements, not choice. An auditor must audit enough of the company's operations to form an opinion on the statements. There is room for efficiency (some firms are faster), but not much room for price shopping.

Audit-related fees

These are fees for services directly tied to the audit but not required for the annual audit opinion. Examples include:

• Audits of employee benefit plans (pension, 401(k), other OPEB).
• Compliance audits (SOX 404 work on internal controls, IT control reviews).
• Attest services on MD&A or other company statements.
• Agreed-upon procedures (e.g., for loan covenants or regulatory filings).
• Consultations on accounting standards or transactions.

Audit-related fees are usually 10–20% of audit fees. They are somewhat discretionary but often necessary for regulatory compliance.

Tax fees

These are fees for tax advice, tax planning, tax compliance (e.g., preparing corporate tax returns, property tax returns), and representation before tax authorities. Herein lies a major conflict: the same firm audits the tax positions on the financial statements and also advises the company on how to minimize taxes. The auditor has a financial incentive to keep the company's tax positions aggressive (to keep the tax work) while also having a duty to ensure the tax positions are defensible in the audit.

The SEC began restricting auditor tax services in 2003 in the wake of the Enron collapse (Enron's auditor, Arthur Andersen, earned more in consulting and tax fees than audit fees). Post-Sarbanes-Oxley, certain tax services (tax shelter opinions, contingent fees tied to tax savings) are banned. But routine tax compliance and planning work is still allowed, and it often represents 10–30% of total auditor fees.

All other fees

These are fees for work outside audit, audit-related, and tax. In the tighter regulatory environment post-SOX, these should be minimal. But some companies disclose "other fees" for services like:

• IT system reviews or consulting.
• Business process consulting.
• Financial due diligence for acquisitions.
• Risk advisory services.

All other fees should be rare and small. If a company discloses large "other fees" without a clear business reason, it signals that the auditor has evolved into a general consultant, which raises independence concerns.

The audit committee's role in fee approval

Since 2003, the audit committee (composed of independent directors) must pre-approve all services provided by the external auditor, including the audit work itself. Item 14 should disclose:

1. Which fees were pre-approved by the audit committee (either specific amounts or categories).
2. Whether any fees were approved after services were rendered (retroactive approval is weaker than prospective pre-approval).
3. The audit committee's process for setting fee budgets and monitoring actual fees.

A company that discloses "the audit committee pre-approved the 2023 audit fees of $X and all other auditor services" shows strong governance. A company that says "audit committee oversight of auditor fees" with vague language is weaker. Retroactive pre-approvals—"the audit committee approved fees incurred but not yet paid"—are a governance weakness because the committee has less leverage to negotiate or prevent overages.

Reading the fee breakdown: an example

Suppose a company's Item 14 disclosure reads:

Fee Category	2023	2022	Change
Audit fees	$3,200,000	$3,100,000	+3%
Audit-related fees	$600,000	$550,000	+9%
Tax fees	$800,000	$1,200,000	−33%
All other fees	$100,000	$50,000	+100%
Total	$4,700,000	$4,900,000	−4%

What to notice:

• Audit fees are 68% of the total, which is healthy. (If audit fees were 30% and tax/other fees 70%, independence is more questionable.)
• Audit fees rose only 3%, which is modest and probably reflects normal inflation or minor scope increases. A 20% year-over-year jump would warrant scrutiny.
• Tax fees fell 33%, which is good if it reflects a deliberate decision to reduce non-audit work. It is worth asking why—did the company switch to a different tax provider, or did the auditor propose scaling back?
• "All other fees" doubled, which is a yellow flag. $100K is small in absolute terms, but the 100% increase suggests either new work or scope creep. Item 14 should disclose what this work is. If it's vague ("consulting services"), ask questions.
• Total fees fell 4%, which is healthy. If fees were rising 10–15% annually without clear business growth, it would signal pricing power or scope creep.

The independence question: when auditor relationships get tangled

An auditor is supposed to be skeptical of the company and its management. But economic incentives can weaken skepticism:

1. The auditor earns more from the client than from other clients (bad sign for skepticism).
2. Non-audit fees exceed audit fees (independence is compromised; the auditor becomes a consultant, not an auditor).
3. The auditor has a long-term tenure (over 15–20 years, auditors may become too close to management).
4. The audit committee is weak and doesn't truly oversee fees (fees can grow unchecked).

The SEC and auditing standards have tried to address these risks:

• Auditor rotation: Large public companies must rotate their audit partner every 5 years. The entire audit firm still serves the company, but the lead partner changes. The SEC proposed a requirement for audit firm rotation every 10 years but has not mandated it.
• Fee transparency: Item 14 makes fees public, allowing investors to assess independence.
• Non-audit service restrictions: Certain services (tax shelters, bookkeeping, IT consulting) are banned.
• Pre-approval requirements: The audit committee must pre-approve all services.

But gaps remain. An auditor can still earn 40% of its fees from non-audit work while serving as the auditor. There is no bright-line rule on auditor tenure. And "pre-approval" is only a control if the audit committee is truly independent and assertive.

Real-world scenario: when audit fees jump

Suppose a company's Item 14 shows:

Fee Category	2023	2022	2021
Audit fees	$5,500,000	$4,200,000	$3,900,000
Audit-related fees	$700,000	$600,000	$550,000
Tax fees	$300,000	$800,000	$900,000
All other fees	$50,000	$40,000	$30,000
Total	$6,550,000	$5,640,000	$5,380,000

Audit fees jumped 31% in one year. Before concluding this is suspicious, ask: Did the company acquire a large business? Expand into a new geography with complex regulations? Face a restatement or accounting issue that required more audit work? These would justify audit fee increases.

But if the company's revenue and asset base were flat, and the disclosure provides no explanation, it warrants scrutiny. Has the auditor become less efficient? Has the scope of the audit inflated? Is the auditor charging more because they have leverage (switching would be disruptive)?

In this example, tax fees fell sharply (the company may have switched to a tax specialist, which is good). Audit-related fees are stable. "All other fees" are minimal. The audit committee should have scrutinised the 31% audit fee increase and the company should disclose the reason in Item 14.

A mermaid diagram: evaluating auditor independence via Item 14

Common mistakes when reading Item 14

Mistake 1: Only looking at absolute dollars.

A company paying $2M in audit fees and another paying $20M cannot be compared on raw dollars. The first might be a small cap; the second might be a global bank with complex regulatory requirements. Compare audit fees as a percentage of revenue or as a ratio of total auditor fees. A 0.1% audit fee to revenue ratio is typical for large companies; 0.5%+ for small caps is higher but may be justified.

Mistake 2: Assuming all non-audit fees are bad.

Non-audit fees are not automatically a sign of compromised independence. A company may legitimately need tax compliance work, employee benefit audits, and SOX compliance reviews. The question is whether the amount is reasonable and whether it creates undue incentives. 30% of total fees in non-audit work may be reasonable; 70% is not.

Mistake 3: Not reading the narrative.

Item 14 includes a table of fees plus narrative. The narrative often explains why fees changed, why non-audit work is necessary, and how the audit committee oversees the relationship. Companies with strong governance will explain themselves. Companies with weak governance will use vague language. Read both.

Mistake 4: Ignoring the audit committee discussion.

Item 14 should disclose how the audit committee pre-approved fees, whether it discussed auditor independence, and whether it considered switching auditors. A disclosure that "the audit committee reviewed and approved all auditor fees in advance" is stronger than silence on the topic.

Mistake 5: Not comparing across peers.

Auditor fees vary by company and industry. But if three similar competitors all have audit fees at 0.15% of revenue and one has 0.40%, that outlier warrants inquiry. Comparison reveals whether a company is an outlier.

FAQ

Is it a red flag if the auditor does tax work in addition to the audit?

Not automatically, but it creates a conflict of interest. The auditor must audit the company's tax positions (e.g., is a deferred tax asset justified?), but the auditor also benefits financially from the company taking aggressive tax positions (which generate tax advisory fees). To manage this conflict, look for:

1. Reasonable proportion: Tax fees should not exceed 30% of audit fees.
2. Exclusions: The auditor should not advise on tax shelter strategies or provide contingent-fee tax work.
3. Transparency: The audit committee should disclose that it considered and approved the tax relationship.

If a company discloses "the audit committee determined that the auditor's tax advisory work does not impair independence," that is acceptable. If it discloses nothing, ask questions.

What is a reasonable audit fee ratio (audit fees to total fees)?

For most large public companies, audit fees should be 60–75% of total auditor fees. For smaller or simpler companies, it might be 70–85%. Ratios below 50% suggest significant non-audit work, which raises independence questions. Ratios above 85% might indicate that the company is minimizing non-audit services, which is good from an independence perspective.

If auditor fees are pre-approved by the audit committee, why should I still worry about them?

Pre-approval is a necessary control but not sufficient. A weak audit committee (or one that is easily convinced by management) may pre-approve inflated fees or unnecessary services. You should still evaluate:

1. Is the audit committee truly independent?
2. Does the audit committee have financial expertise?
3. Did the committee discuss alternatives (e.g., switching auditors)?
4. Are the fees reasonable compared to peers?

Pre-approval is a check; but it's not a guarantee of fairness.

Do large auditor fees mean the audit is thorough?

Not necessarily. High audit fees might reflect an inefficient audit, a complex business, or an auditor charging a premium. Low audit fees might indicate a streamlined, efficient audit or an auditor competing on price. Fee alone does not determine audit quality. That said, audit fees that are unusually low compared to peers may signal that the auditor is cutting corners.

Can I find auditor fee data for other companies to compare?

Yes. Every public company's 10-K contains Item 14. The SEC's EDGAR database makes 10-Ks searchable. You can download 10-Ks from competitors and compare their Item 14 sections. Many financial data services (Bloomberg, CapitalIQ, Refinitiv) also aggregate auditor fee data for comparison.

What if a company switches auditors and discloses that fees are dropping?

Switching auditors is expensive and disruptive, so a company may not do it lightly. If a company switches and discloses that fees will drop significantly, ask whether the new auditor is less experienced or whether the old auditor was charging a premium. Compare the new auditor's reputation and track record to the old one. A switch to a smaller firm to save money, if coupled with less rigorous work, is not a win.

What about auditor fee inflation? How much is normal?

Year-over-year audit fee increases of 3–5% are typical and reflect inflation plus minor scope adjustments. Increases of 10%+ in a single year warrant scrutiny unless the company discloses a clear reason (acquisition, major restatement, new regulation). If a company's audit fees increase every year by 8–10% for five consecutive years, and the business is flat, that is a pattern of gradual scope creep or pricing power that warrants investigation.

Related concepts

Auditor independence: The auditor's freedom from pressure to compromise its skepticism or judgment. Economic incentives (owning stock, earning fees from management's preferred outcomes) threaten independence.

Pre-approval: The practice of the audit committee approving auditor fees before services are rendered, rather than retroactively. Pre-approval gives the committee more leverage to negotiate or prevent excessive work.

Audit partner rotation: A requirement that the lead audit partner be replaced every 5 years (or sooner for certain firm rotations). The intent is to prevent the auditor from becoming too close to management over long tenures.

Contingent fees: Fees that depend on the outcome of work (e.g., "we'll advise on this tax position and charge you based on how much tax you save"). Contingent fees create strong conflicts of interest and are banned for auditor services.

Scope creep: The gradual expansion of work or fees beyond what was originally planned. In auditing, scope creep can occur as the company grows or becomes more complex, but unexplained scope creep may indicate inefficiency or opportunism.

Comfort letter: An assurance letter the auditor provides to underwriters in securities offerings, confirming that certain financial information is consistent with the audited statements. Comfort letter fees are included in audit fees.

Summary

Item 14 discloses fees paid to the external auditor for audit, audit-related, tax, and other services. Strong auditor independence requires that audit fees dominate (≥60% of total), non-audit services are limited and transparent, the audit committee pre-approves all fees, and fees are reasonable compared to peers. Year-over-year fee increases should have clear justification. Companies with large non-audit fees, weak audit committee governance, or unexplained fee jumps deserve extra skepticism. Item 14 is a small section but offers a clear lens onto whether the audit firm is truly independent or has become a consultant to the company whose statements it audits.

Next

Read Item 15 of the 10-K, which lists exhibits and supplementary financial data: Item 15: Exhibits and financial statement schedules.