Best Private investigators in Cardiff

CIS is a Private Investigator with many decades of combined experience in numerous areas of the sector. We offer a premium, high quality and personalised service which will stand aside any product in the market.

Due to our unique structure we are able to offer some of the most competitive rates, while maintaining the level of professionalism required to ensure peace of mind to our clients that their instructions are carried out to the highest standard.

We have a wide range of products attracting various types of client, from private individuals through landlords and employers, to solicitors and high-street insurance companies.

All instructions will be carried out in the strictest confidence and in the most ethical manner, and of course, all information is obtained legally.

We realise that some cases are more sensitive in nature and if a client would prefer to speak to a female or particular member of the team, this is readily available on request.


We have conference suite facilities which are easily accessible from the M4 at Cardiff Gate (J30).



CIS are a specialist Private Investigator, otherwise known as Private Detective.

We are experts in helping private, legal, and corporate clients reach conclusive results.

Our private investigators have the experience to help you find the information you need to put your mind at rest and move on with your life, or business, whatever the resolution.

Our private investigators have experience and skill across an entire array of sectors, from accident investigations to tracing missing persons, they can help you get the results you need.

Our detectives will tailor their research methods to your individual case and work with you to understand what actions are necessary.

All our private investigators have a wealth of experience on a wide series of service areas, including electronic intelligence, evidence analysis, surveillance, insurance, criminal law, employer and landlord services.

What to expect from our private investigators?

Before we begin working on your case, we will assign you a case manager who will be your point of contact. They will give you a password if you require, so you feel secure and confident discussing your needs.

Of course, we will keep you up-to-date with any findings and evidence found.

At CIS Detectives we take confidentiality incredibly seriously and we will destroy all evidence of your case once you have come to a resolution.

All our findings are time-stamped and therefore can be used to support your case and as evidence.

Call our private investigators for a free, no obligation telephone consultation
For more information on how our private investigators can help you, call our team on 01633 309340.


We will explain how we can assist you and also provide details on potential costs involved.

Confidential face to face appointments:

If you would prefer to meet with one of our private investigators in person, you can arrange to meet us at our offices, or we can arrange to meet you at a place of your choosing.

Should you require a female detective then we can also arrange this.

We look forward to hearing from you.

CIS Team