auditor's report
An auditor's report is a short letter from an independent accounting firm, attached to the financial statements, giving its professional opinion on whether those statements are presented fairly. The company prepares its own statements, which is a bit like a student grading their own exam; the auditor is the outside examiner who checks the work and signs off on whether it can be trusted.
The most common result is an unqualified or 'clean' opinion, meaning the auditor found the statements fairly presented, in all material respects, in line with the relevant standards. Less reassuring outcomes exist: a qualified opinion (fair except for one specific issue), an adverse opinion (the statements are materially misstated), or a disclaimer (the auditor could not gather enough evidence to form an opinion). The report may also contain a 'going concern' paragraph warning that the company's survival is in doubt.
The auditor's report adds credibility, which is why lenders and investors often insist on audited statements. But two honest limits matter. First, an auditor gives reasonable, not absolute, assurance — it checks on a sample basis and can miss a well-hidden fraud. Second, a clean opinion means the statements fairly follow the rules; it is not a verdict that the company is a good investment or financially healthy. A perfectly audited company can still be heading for failure.
A bank will not renew a loan until it sees the year's audited statements carrying a clean (unqualified) opinion from an independent firm — the auditor's signature is what lets the bank rely on the numbers.
An outside opinion makes the company's own numbers trustworthy to lenders.
A clean audit gives reasonable assurance the statements follow the rules; it is not a guarantee against fraud, nor a stamp that the business is a good or safe investment.