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Voted Best Private Investigator
In The Galaxy Since 2009

We beat Smitty Werbenjagermanjensen!

Diligentia Group was founded in 2009 by Brian Willingham, CFE.
Since 2009, Brian worked hard to create an investigative firm unlike any other in the United States. Beyond the promise of hard work and tireless efforts, Brian promised a top shelf customer service, a level of professionalism that’s difficult to match, and creativity that delivers results.

As you browse our company culture, you’ll discover our colorful personality coming across in our writings, headings, images, and general business approach. While that approach may seem snarky to some, our investigative agency takes our investigative practice very seriously.

We know that our clients expect more than tireless efforts and outstanding results, they expect a level of professionalism and creativity that will solve their problems. At Diligentia Group, we’ve mixed the old school “gumshoe” detective work, with the accuracy of today’s technology to deliver tangible solutions.

Some investigators perpetuate the “cloak and dagger” image with their secret sources, inside intelligence and years of law enforcement experience – we are not one of them. There are no cloaks and daggers here.

Diligentia Group was built on transparency, openness and simply doing great work.

We help our clients make informed decisions or avoid costly ones.

Leave your shovels at home, we’ll do the digging!

We Identify Risks

We are trained in analyzing and gathering intelligence to identify red flags that may be useful to know before relationships are established.

We Find Facts

We provide in-depth, fact-based information from an array of public and proprietary resources to assist with your particular needs.

We Provide Peace of Mind

We identify information to corroborate certain facts or details to help you make more informed decisions (or let you sleep at night).

We See the Big Picture

We can help you see the situation objectively and provide you with an alternative viewpoint to the matter at hand.

“We retained Brian in connection with an incredibly complex matter involving dozens of potential witnesses.  Brian dove deep into the case, learning as much about it as possible.  With that knowledge, and with his easy-going personality, Brian was able to speak to people we never thought we could reach, and to elicit information that was extremely useful.  In addition, Brian’s creative thinking allowed him to develop new leads and avenues of inquiry that had not occurred to us.  We will certainly continue to use Brian in the future, and would highly recommend him to anyone looking for a top-notch investigator.”

“We hired Diligentia Group to conduct a comprehensive background investigation of the individual bringing suit against our client, focusing on financial sophistication, financial history, asset and net worth information, and potentially adverse information. We spoke to references and decided to hire Diligentia Group based on strong recommendations. Brian Willingham, President of Diligentia Group, was thorough and professional at all times, and provided us with a very helpful report covering the information we were seeking. He delivered this report promptly and at a competitive rate. I would recommend Diligentia to anyone looking for someone to help with this or any related kind of investigation.”

“Diligentia tirelessly gathered the background information requested and was able to present it timely and in a way that was easily understandable. I would highly recommend Diligentia to anyone.”

“I had been searching for my biological dad for several years. I found Diligentia Group and gave the scant information I had on my father to Brian, who, within two days, found the all the right contact information. I called my father he same day Brian gave me the number. I have bottomless gratitude for Brian’s skill and resources. With so little, he has given me so much.”

“I was trying to find out if there were any legal issues for me traveling to the United States from an old traffic ticket. I had been doing my own investigation and getting deeper into a legal system that was getting bigger and more confusing as I searched. Finally, I stumbled across the blog and read an article about online searches. Brian explained the system to me, did the relevant searches that I was unable to successfully access myself, and put my mind somewhat at ease.”

“I was trying to find my stepmother after having no contact for seven years; no simple task as I was halfway around the world. I found Diligentia Group after some online searching and read questions that other visitors had asked. The answers made me think that they could help in cases such as mine, so I contacted them. I was given prompt attention and follow-ups, and they even communicated with my stepmother on my behalf several times. Now I am back in touch with her, and I thank Diligentia Group for making this possible.”

“We depend on Diligentia Group to deliver timely and accurate background reports on the management teams of the companies we look to acquire. We would recommend Diligentia to any other financial, legal, HR, or M&A professional.”