Business Advisory

Fraud & Forensic Services

Reducing Your Risk

Increased fraudulent activity in business has led to an increased demand for greater transparency.  Companies are increasingly being held responsible for the actions of individual executives, employees, and related parties. Our investigative professionals play an important role in helping clients meet transparency requirements, implement strategies to fight fraud, and reduce the risk of loss due to fraud.

If fraud is already present, our professionals are skilled at assessing all available evidence to present an evaluation of damages based on a solid foundation of accounting principles, financial theory, technical competence, industry knowledge, and an independent review of relevant facts.


Olsen Thielen offers many services to assist you from fraud prevention and detection, to education and litigation support:

Fraud Prevention Services Include:

Fraud Detection & Forensic Investigation Services Include:

Fraud Education Services Include:

Litigation Support Services Include:

JUX Law Firm

Case Study

When Mark Santi, a Minneapolis-based attorney with JUX Law Firm, was approached by one of his clients who had concerns that he was potentially a victim of fraud in his business, Santi called on the fraud and forensics experts at Olsen Thielen.

Contact a Specialist

We can help you and your legal representatives negotiate the way through complex accounting, tax, economic, and financial matters with confidence and confidentiality.  To learn more, contact one of our specialists:

Articles & News

VIDEO: Did you know that over half of all business fraud stems from inadequate internal controls? In this video, we'll provide you with four specific controls you can implement to help protect your business. 
VIDEO: With the rise of AI, deepfake fraud is on the rise, resulting in significant financial losses for companies. Explore the need for increased employee education and enhanced security measures. Reach out to us to learn how to protect your organization against these sophisticated cybercrimes.
Even if your nonprofit has implemented solid internal controls, occupational fraud can strike. However, a fraud recovery plan can help reassure stakeholders and get your organization back up and running.


Members of our Fraud, Forensic and Litigation Support Services group have been awarded the following designations:

CITP Certified Information Technology Professional Logo
We Value Your Privacy

This site may use cookies to store information on your computer. Some are essential to make our site work and others to improve the user experience. By using this site, you consent to the placement of these cookies and accept our privacy policy.