Toll-Free: (888) 676-1472
Address: Shelton, CT 06484

Licensed. Experienced. Professional.

Connecticut Investigative Services

In an insecure world, investigate your options with Connecticut Investigative Services.

Best Private Detective Agency Connecticut

Private Investigators & Detectives in CT

Hartford Private Investigator
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A Top-Rated Investigative Agency

CIS

Find out why our CT private investigators are the first choice of Connecticut’s most prestigious law firms, private citizens and businesses throughout the State and are named year after year “The Best” investigators in CT. Do your research when selecting a private investigator it is an important decision. Use many different sources to evaluate and select a private investigator or investigative agency. Check the internet, contact the Better Business Bureau and read the investigative agency’s client reviews. Connecticut Investigative Services’ private investigators are the most experienced private investigators you will find in any investigative agency. We maintain an A+ rating by the Better Business Bureau. Contact our agency and you will find that your decision was an excellent one. Even if you have dealt with other private investigators, contact our office and see what our experienced investigators can do to assist you.

We are a results-oriented Detective Agency, committed to providing you quick responses and timely, accurate, results. CIS private detectives are well-trained, experienced, veteran police detectives applying their skills as investigators for the benefit of corporate entities and individual citizens.

30

Years
Experience

8

Years
A+ BBB Rating

3

2018
Awards

Trained & Experienced

Results Oriented Agency

CIS private detectives combine both law enforcement and private sector investigative knowledge to ensure you the best possible results for your investigation. Our private investigators can answer your questions quickly, accurately and to your full satisfaction. This communication and experience enables us to provide our clients with the best possible outcomes to their cases. We provide professional, confidential investigative and related services to our clients. Connecticut Investigative Services utilizes the latest technology and computerized informational resources along with superior Detectives’ skills. We have been able to compile the expertise to effectively investigate even the most challenging of cases. CIS private investigators have professional associations with the law enforcement community as well as private investigators, detective agencies and professional organizations throughout Connecticut – and the country.

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Mark J. MacDaniel
Founder & Owner
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Serving Connecticut

Our Investigative Services

Our trained private investigators have extensive real-world investigative knowledge all across the State of Connecticut conducting: criminal investigations, civil investigations, background investigations, pre-employment investigations, surveillance, locating missing persons, interviewing witnesses, theft and burglary investigations and investigations requiring an undercover investigator. Our private investigative firm is located in Connecticut but we have a nationwide and global reach. We serve the State of CT with the finest Private Investigators and Detectives that you will find at any investigative agency. When searching for a private detective agencies, find out why Connecticut Investigative Services and their investigators were named one of the best private investigative agencies in CT by the Connecticut Law Tribune.

Document Retrieval Services in CT

Connecticut Investigative Services is a public records and document retrieval service for attorneys businesses and private citizens in the State of Connecticut.

Insurance Fraud Investigators in Connecticut

Connecticut Investigative Services can investigate insurance claims that help insurance companies and the self insured fight fraudulent insurance claims.

Corporate & Business Private Investigator in CT

CIS' private investigators can assist your businesses, whether you are a large corporation or a small business trying to control losses from both, internal and external thefts.

Criminal Investigators in CT

Connecticut Investigative Services’ private investigators understand the requirements of attorneys and their clients who are involved in criminal litigation.

Civil Investigators in CT

As an investigator in a civil matter Connecticut Investigative Services would be responsible for gathering the evidence essential to prove your case at trial.

Civil & Criminal Investigative Services in CT

Connecticut Investigative Services' private investigators understand the requirements of attorneys and their clients who are involved in criminal or civil litigation.

Surveillance Investigators in CT

Connecticut Investigative Services' Investigators use covert surveillance equipment that ranges from discrete automobile tracking equipment (GPS) to hidden video cameras.

Pre-Employment Screenings & Background Checks in CT

When you need actual information on a person’s background not just database information offered through the internet, choose Connecticut Investigative Services.

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What Clients Say About CIS

Real Testimonials & Reviews

Fantastic! I stumbled upon Mark and Connecticut Investigative Services after our law firm's prior private investigator retired. Mark was very easy to get a hold of and took my call promptly. I advised him of our client's budget and he was very sensitive to our cost concerns. Mark was able to work within my timeline and achieved the desired results promptly and thoroughly. He was pleasant and professional and I look forward to working with him and his team on our next assignment. I am grateful for finding him and would recommend him and his agency without hesitation. -Matthew E. Willis, Esq.read more
Matthew W.
23:17 18 Apr 18
Outstanding. I spoke to Mark and it was clear he's been through every kind of investigation, even when in my case it's felt like such a dead end. If you feel trapped or don't have a way or someone to turn to, you will feel completely differently after having a good conversation with him and his staff. Don't hesitate, make the phone call, I think you'll be surprised how much of a nudge it can give you towards solving your situation, I feel so much better about my chances and all it took was maybe 10 minutes. Make the callread more
Ralph B.
01:12 07 Jun 17
I thank you so much. I will tell everyone I know how much I recommend you and your company you can be sure of that.read more
S. A
18:09 21 Feb 17
The investigator was absolutely fantastic! I cannot speak highly enough about him. He found an old traffic ticket that no one else could find within hours! Great company!read more
Jeremy M.
19:09 05 May 16
My law firm hired CIS. They got us the info. we needed fast and efficiently. I would recommend their services to anyone needing an investigator.read more
Brian M. R.
19:50 26 Aug 15
I recently needed the service of an investigator when I came across this company. They went far and beyond any expectations; I highly recommend them. read more
CAM S.
23:01 22 Apr 14
Referred several clients to them who have been very satisfied with the services. Responsive and sensitive to the issues involved. read more
Daniel S.
15:48 07 Jun 12


Google Rating
4.9
Based on 7 reviews
Facebook Rating
5.0
Based on 2 reviews

Our Memberships

Licensed. Experienced. Professional.

When protecting your assets or uncovering the facts, experience matters. At Connecticut Investigative Services our investigators are just that, experienced. Choose a firm whose Investigators’ experience is a matter of record. Contact our office for a free consultation to discuss your investigative needs. All Connecticut Investigative Services’ detectives are licensed and bonded in CT. Connecticut Private Investigative Agency license number – A2288.