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The complexity of the purchasing process can lead to errors that can increase the risk of significant financial loss if not quickly detected and resolved.

Overpayment can be attributed to a variety of errors, including miscalculations, duplicate payments, neglected rebates and allowances, misunderstanding of contract terms, tax overpayment, and charges for goods and services not received.

Doeren Mayhew’s Internal Audit Group includes vendor audit specialists to help your organization improve vendor relationships and avoid financial loss by identifying process control issues and analyzing invoices, contracts and other related data to detect potential overpayments.

Our specialists have performed vendor audits for a variety of businesses, including oilfield service providers, construction companies, engineering firms, legal firms, security services companies, trucking and rail car businesses, and more.

Vendor Audits in Action

Auto Maintenance Store
Doeren Mayhew performed onsite operational audits for an auto maintenance business with more than 2,000 franchised stores across the United States and Canada, verifying that stores were in compliance with policies and procedures and were properly recognizing revenue and expenses.

Pipeline Construction Vendor
Doeren Mayhew reviewed invoices pertaining to a $30 million time-and material contract on a pipeline project. Creating a database to track and compare actual and contracted costs, our specialists discovered that our client was overcharged by 10 percent.

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