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About Keck P.I.
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Mystery Shopping Services in Wisconsin

Objective, Confidential, and Actionable Evaluation by Keck Private Investigations, LLC

Why Choose Keck PI for Mystery Shopping?

Keck Private Investigations, LLC is a veteran-owned and fully licensed private detective agency serving Wisconsin businesses with professional, unbiased mystery shopping and operational assessment services. Unlike generic national companies, Keck PI delivers local insight, lawfully gathered evidence, and reports you can trust to drive real improvement. All services are tailored to your business and performed with confidentiality, precision, and strict legal compliance.


Hiring a local licensed investigator for mystery shopping means every report is credible, admissible if needed, and rooted in an understanding of the Wisconsin market. Businesses benefit from actionable recommendations that go beyond surface-level ratings.

What Is Mystery Shopping?

Mystery shopping is a professional method for evaluating customer service, compliance, and operational standards by having trained investigators pose as typical customers. Keck PI’s approach involves real-world testing of your business’s service, staff knowledge, policy adherence, and overall customer experience. Each mystery shop is designed in collaboration with you to focus on areas of concern or competitive advantage.


Mystery shopping is more than a compliance audit. Done correctly, it provides actionable feedback that supports staff training, customer retention, and business growth.

Benefits of Mystery Shopping by Keck PI

Data-Driven Improvement:

Research indicates that businesses using structured mystery shopping programs see measurable gains in customer satisfaction and sales. According to the Mystery Shopping Providers Association (MSPA), over 90% of retailers who invest in regular mystery shops report higher compliance and customer service scores, with 75% noting increased customer loyalty and repeat business (MSPA, 2022).


Local Expertise and Legal Evidence:

As a licensed Wisconsin PI, Keck PI understands state laws, regional market expectations, and the nuances of local customer behavior. Our reports can be used for management decisions, HR documentation, or, if needed, as legally defensible evidence.


Unbiased and Confidential:

All findings are independently verified and confidential. You receive honest, unfiltered insight on your business, from the sales floor to management practices.

Mystery Shopping Services Offered

Retail Stores

Banks & Financial Institutions

Restaurants & Hospitality

  • Customer service evaluation
  • Point-of-sale and return policy compliance
  • Staff integrity and loss prevention checks

Restaurants & Hospitality

Banks & Financial Institutions

Restaurants & Hospitality

  • Table service and order accuracy reviews
  • Cleanliness and food safety compliance
  • Staff professionalism and upselling techniques

Banks & Financial Institutions

Banks & Financial Institutions

Professional Services & Healthcare

  • Compliance with state and federal regulations
  • Staff product knowledge and disclosure accuracy
  • Security and confidentiality practices

Professional Services & Healthcare

Professional Services & Healthcare

Professional Services & Healthcare

  • Reception and intake experience
  • Adherence to confidentiality policies
  • Regulatory and ethical compliance

Custom Shops and Investigations

Professional Services & Healthcare

Custom Shops and Investigations

  • Underage sales compliance (tobacco, alcohol, lottery)
  • Competitor benchmarking
  • Customized scenarios for unique business needs

Keck PI consults with every client to define goals, standards, and reporting requirements before each shop.

What Makes Keck PI’s Mystery Shopping Unique?

Licensed, Insured, and Local

Licensed, Insured, and Local

Licensed, Insured, and Local

All shops are conducted by a licensed Wisconsin investigator, ensuring legal compliance and credibility.

Actionable Reporting

Licensed, Insured, and Local

Licensed, Insured, and Local

Reports are written in plain language with clear observations, compliance scoring, and recommendations for improvement.

Confidentiality Guaranteed

Confidentiality Guaranteed

Confidentiality Guaranteed

All findings are handled with complete discretion and shared only with authorized business representatives.

Follow-Up Support

Confidentiality Guaranteed

Confidentiality Guaranteed

Keck PI provides debriefing and, if requested, training recommendations or further investigation.

Frequently Asked Questions

Please reach us at matt@keckpi.com if you cannot find an answer to your question.

Most businesses benefit from quarterly or bi-monthly evaluations, but frequency can be tailored to your goals and concerns.


Yes. Each program is designed to address your most important compliance risks and business priorities.


Yes, when performed within the bounds of all state and federal privacy and consent laws.


No. Shops are conducted covertly, with findings provided confidentially to management or ownership only.


Reports are delivered securely and can include written summaries, checklists, photos (where permitted), and recommendations.


Legal Disclaimer

The information provided on this page is for general informational purposes only and does not constitute legal advice. Keck Private Investigations, LLC complies with all state and federal laws governing private investigations, data privacy, and business compliance. For case-specific guidance, please consult your legal counsel.

Contact Us For More Information

Keck Private Investigations

matt@keckpi.com (920) 861-5325

Copyright © 2025 Keck Private Investigations - All Rights Reserved.

Agency License: 20023 - 62

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