Here at IRG we do not seek to be the largest investigative firm, instead we seek to be the best. Read what clients have to say about us.

Passion Driven

Result Based
Private Investigations

I have always gotten quick, reliable, professional service from Sean Grant and IRG. I recommend his company to my co-workers and our insured's when they are looking for surveillance. They are my go to surveillance company!

Jill Ventre | Liberty Mutual

Sean is a valued partner with Clemens Food Group. His team provides our organization with a high level of service and responsiveness. Sean's experience and tenacity provides compelling results that positions us well in many of our cases. IRG is a major successful component of our Worker's Compensation strategy.

Juanita Kantner RN, MS, COHN-S/CM

Contact Us

We are on call 24/7 to provided investigative services in PA, NJ and DE.
Contact us any time at (610) 909-6210 or email us for a quick response.

Investigative Response Group, a trusted and respected private investigation company, is committed to our clients. We are dedicated to providing professional, quality investigation services for those who are in search of the truth, exposing fraud, and minimizing risk to their business.

We strive to exceed our client's requirements and expectations and will succeed in building a long-term solid business relationship with new and prospective clients.