The phrase "auditor concluded that" is correct and usable in written English.
It can be used in contexts where an auditor is summarizing their findings or opinions based on an examination or review.
Example: "After reviewing the financial statements, the auditor concluded that the company was in compliance with all relevant regulations."
Alternatives: "the auditor determined that" or "the auditor found that".
The auditor concluded that the superintendent had carried out the subterfuge to compensate the other districts for not opening their own online schools.
Although Hawaii has been considering legislation that would regulate destination clubs, a review released this year by the state auditor concluded that regulation was not necessary.
Then India was rocked by a telecommunications scandal over the allocation of cellphone licenses, as a government auditor concluded that the government might have lost about $40 billion in fees because officials gave licenses to favored bidders at bargain prices.
Before approving the annual report and accounts the audit committee was not told of this change and the auditor concluded that although the level of provisions was acceptable, the initial provision was towards the "more optimistic end" of the acceptable range.
In March the WAO auditor concluded that the council had "acted unlawfully" with regards to its pay-setting process, and made several recommendations.
A June 2014 report by a state auditor concluded that two other UC campuses, Berkeley and Los Angeles, "did not consistently complete investigations in a timely manner".
Auditors concluded that competition among suppliers had been limited, leaving BT as the only active bidder.
Auditors concluded that the EnergyStar program was highly vulnerable to fraud.
Auditors concluded that nearly $500,000 was spent that probably had little to do with official Republican Party business.
Yale auditors concluded that Dean Ralph William Franklin of Berkeley used school money for personal expenses, including his daughter's education at Harvard Medical School.
The Deloitte auditors concluded that in 1996 and 1997, HBO had improperly recorded sales before customers had approved the transactions.
