• Private Investigations · Ohio

The truth is
worth finding.

Ace Investigations is an Ohio-based, licensed and full-service private investigation
agency with a passion for justice and solving mysteries.
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30+

Years of Casework

Ohio

Based & Licensed

03

Ohio Locations

Full

Service Investigations

  • Who We Are

Experience that knows how to look deeper.

Ace Investigations was founded by Martin Yant after an award-winning career in
journalism as an investigative reporter, editor and columnist.

He and his investigators have successfully investigated criminal and civil cases
throughout Ohio and the rest of the country for more than 30 years.

“The most successful one-man innocence project in the country.”

Recognition of Martin Yant's investigative work
Meet Martin Yant
  • What We Do

Every case starts with finding the facts.

Our team of experienced investigators is trained to handle cases of different complexity with professionalism, discretion and a thorough approach.
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01.

Criminal Defense

Thorough investigation, witness interviews and testimonial evidence to strengthen your defense.

02.

Wrongful Conviction

Investigating closed cases, uncovering evidence and working with innocence projects and advocacy groups.

03.

Civil Litigation

Independent interviews and evidence discovery for personal injury, wrongful death and police misconduct cases.

04.

Skip Tracing

Resources and investigative tactics used to locate missing persons, debtors and case witnesses.

05.

Domestic Relations

Investigative support for divorce, child custody, infidelity and other difficult family situations.

06.

Surveillance

Covert operations and recording for matters including insurance fraud and workers compensation.

07.

Business Services

Prompt investigative assistance including pre-employment background checks and employee misconduct investigations.

08.

Process Service

Witness location and process service completion for criminal, civil and domestic court proceedings throughout Ohio.

  • Freeing the Innocent

Some cases deserve another look.

In 2005, The Washington Post named Martin's book Presumed Guilty one of the eight most important books on miscarriages of justice ever published.

Martin Yant's experience, expertise and dedication to freeing the innocent is unparalleled among private investigators, which is why he has been called ``the most successful one-man innocence project in the country.

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Client Feedback

Trust, earned case by case.

Attorneys, families, and businesses across Ohio rely on Ace Investigations
when the facts matter most. Here's what they have to say.
David Reinhart,
Criminal Defense Attorney
“Martin’s investigative work uncovered evidence our defense team never would have found on our own. His report changed the outcome of the case.”
Karen Ellsworth,
Client, Wrongful Conviction Case
“After years of believing my brother was wrongfully convicted, Ace Investigations finally got someone to listen. Their persistence gave our family hope again.”
Michael Torres,
Civil Litigation Client
“Professional, discreet, and thorough from day one. The documentation they provided held up perfectly in our civil litigation case.”
Sarah Whitfield,
Business Owner
“We needed a background investigation done quietly and quickly before making a hire. Ace delivered a clean, detailed report within days.”
David Reinhart,
Criminal Defense Attorney
“Martin’s investigative work uncovered evidence our defense team never would have found on our own. His report changed the outcome of the case.”
Karen Ellsworth,
Client, Wrongful Conviction Case
“After years of believing my brother was wrongfully convicted, Ace Investigations finally got someone to listen. Their persistence gave our family hope again.”
Michael Torres,
Civil Litigation Client
“Professional, discreet, and thorough from day one. The documentation they provided held up perfectly in our civil litigation case.”
Sarah Whitfield,
Business Owner
“We needed a background investigation done quietly and quickly before making a hire. Ace delivered a clean, detailed report within days.”
Common Questions

Answers before you ask.

Straight answers on how Ace Investigations works, what's
confidential, and what to expect.
1. What areas does Ace Investigations serve?

Columbus, Mansfield, Akron-Canton offices. Cases handled statewide across Ohio, some out-of-state work too.

2. Is my consultation confidential?

Yes. Every consultation private. Details discussed only with you and authorized parties on your case.

3. What types of cases do you handle?

Criminal defense support, wrongful conviction investigations, civil litigation, background checks, employee misconduct, process service.

4. How experienced are your investigators?

30+ years combined casework. Founder Martin Yant, former investigative journalist, led work behind 30+ wrongful conviction reversals.

5. How much does an investigation cost?

Depends on case scope — surveillance, interviews, records research. Free initial consultation, then a clear quote before work starts.

6. How long does an investigation take?

Varies by case complexity. Simple background check: days. Wrongful conviction review: months. Timeline given upfront.

7. Do you work with attorneys directly?

Yes. Regularly retained by criminal defense and civil litigation attorneys as an extension of their case team.

8. How do I get started?

Call the Columbus office or email Martin directly. First conversation free, no obligation.

  • Get in touch

Ready To Start
Your Investigation?

Tell us more about your case, and one of our investigators will respond
with next steps and a confidential consultation.

Address

1000 Urlin Avenue, Suite 1821, Columbus, Ohio 43212

Email Address

martin@aceofohio.com

Phone Number

614-481-1941

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Case Review

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