Creating a safe and more profitable workplace.

Corporate Security Management Solutions

Workplace violence statistics make it clear - your business needs better security management solutions.

Did You Know?

1 %

of employees admit to stealing from their employers

U.S. Chamber of Commerce

1 %

of business failures are directly linked to employee theft

U.S. Dept. of Commerce

0 M

acts of violence are committed at work every year


1 %

of U.S. active shooter events happened at workplace in 2018


Services We Provide


Diligence, Integrity, Results


Diligence, Integrity, Results






Construction Supply

Distribution Centers




We have been hired by some of the most recognizable brands in the world. Our level of professionalism is unrivaled.

Regardless of the problem you face in business large or small we bring decades of experience, dedication and professional insight.  We cost-effectively solve any employee problem you may face in either the civil or criminal arenas. Whether the issue you face is security related or investigative, Systematic Inquiry Group is here to bear your burden. Whether you need Security for high profile close protection, workplace violence or problematic terminations we have the solution. Violence in the workplace is one of the most challenging events businesses face today. With the numerous workplace violence cases we have handled over the years, all have been resolved legally and effectively without incident.  Our Investigative experience stretches the gamut from robbery, burglary, theft and fraud to discrimination, harassment and workers comp claims. We specialize in cases with little or no evidence and find the truth.

Private Investigator, Private Patrol Operator, CCW.

General liability, E&O, Commercial Auto, Workers

  • Association of Certified Fraud Examiners
  • American Society of Industrial Security
  • California Association of Legal Investigators
  • Better Business Bureau
  • California Restaurant Association


Founded by Michael Wojtanowicz in 1993, Systematic Inquiry Group is a team of veteran investigators and security professionals. Over the years we have developed a network of specialists for every problem you could potentially face. We pride ourselves in obtaining cost-effective, legally accurate results while maintaining genuine care and concern for your best interests.  Our combined skills, education and experience in investigations and executive security give us the tempered skill set able to handle problems you’re facing . As Mike always says, “There is no trouble in business you can face that we haven’t already handled elsewhere.”


Clients Served


What They're Saying

“The reporting and films have been prepared exactly as requested, allowing me the use of information needed for depositions, and potential litigation. Mike’s work, including reports have been clearly written and concise.”

John L. Armington, Esq.

Law Offices of John Bredfeldt

“During these past nine years I have come to know Michael well and can attest to his fine character and diligent work ethic…. Michael is personable, reliable, and his work ethic is very admirable. These qualities have helped him become an accomplished investigator in the criminal field.”

Erika B. Becker, Esq

Erika Becker Services

“Michael’s services are timely and responsive to our needs. Mr. Wojtanowicz has conducted video surveillance for EMC insurance which has had positive cost savings results for the company. Mr. Wojtanowicz has excellent reasoning and statement taking abilities.”

Executive Leader

EMC Insurance Companies

“Mike is a true professional with strong values, leadership and integrity. I know from personal experience that he has a thorough knowledge of the law, strong investigative skills, and a great rapport with people.”

Executive Leader

Stater Bros. Markets

Contact Us Now!