I employed City Investigations in relation to a difficult and sensitive family matter. Over several months they provided a superb level of customer care with a high attention to detail, resulting in a very successful outcome. 
I cannot praise the service provided by Declan and his team highly enough and I would unhesitatingly recommend them.
Barrister, Kings Chambers, Manchester (name withheld at clients request)”




I contacted City Investigations to get their help trying to track someone down who owed me money. We arranged a time for a quick call, and within just a few days they were able to locate where they were for me.  Without their help, I wouldn’t have been able to recover the monies.  They were easy to deal with, and they got me the information I needed quickly – 5 stars.

November 2016 – Mr K Moran, Co. Limerick


Our Private Investigator was simply amazing. From the initial call where I was a little apprehensive, he talked me through the different options and put my mind at ease about the procedures and the very discreet processes they go through in order to get the information needed.  I was going through a messy custody case and some help to prove my partner was lying and drinking and therefore not able to have the kids overnight.  It didn’t take long, and it was cheaper than I expected. Thanks!

January 2014 - Ms Mc T, New Ross Co. Wexford


I used City Investigations to carry out reference requests and CV checking on behalf of my company.  I need them doing in a hurry because my HR manager had been taken ill and we had a really urgent need to get the post filled.  Once the candidates’ information was given to the team, we started to get the checks returned within 24-hours.  They were efficient and given the level of details provided, and the high quality of that information, we were impressed with the pricing and the turn-around time. A great job.

October 2014 - Mr Howard, Co. Sligo


We found City Investigations online and hired them to do a same-day document serving service.  Once the paperwork had been transmitted, they confirmed straight away, and within 12 hours the job was completed.  Since then, we have regularly used the document serving services on at least another 50 occasions.  We have never been let down, and I highly recommend the reliability of this  Private Detective Agency.

July 2015 - Mr Gallagher, Dublin 6


We wanted to obtain information about how our customers were being greeted and treated in a particular number of stores that were underperforming, and we didn’t want to be given any more excuses from the staff by going down the traditional routes, we chose to hire an undercover private investigator to help.

From the moment we spoke with the team at City Investigations, we knew we were in safe hands.  They obviously were experienced and knew what they were doing and what type of information we would find useful to have, along with a number of practical ways to obtain the data.

March 2016 - James, Dublin City center


Our company needed some surveillance carrying out in order to help us work out what to do in a very time-sensitive project.  With Declan’s help, we got to the bottom of a long-standing issue that was costing the business a lot of money.  I gave City Investigations a brief overview of the situation, and they were able to offer suggestions on the various options available to us and the likely outcomes. 

All the evidence was presented professionally and in a perfectly straightforward way.  I would highly recommend Declan to anyone who is considering hiring him to conduct surveillance on their behalf.

February 2016 -  Joe  Dublin 6


If you need a private detective service that is quick, these guys are the best in their business.  I dealt with both Aidan and Declan who were both understanding, communicated throughout the assignment and got the information I needed quickly. Great Job, good guys.

June 2015 – Ms Emily Waterworth, Brisbane Australia


I needed some help to prove that one of my employees was taking sensitive information from the business and putting it into the hands of one of my competitors.  I was worried about the cost and the length of time it would take. Aidan was superb. He gave me a fixed price for the job and the work was completed in record time.  Turns out all the information I needed was on my network, I just didn’t know how to get to it.   I sincerely thank City Investigations, without their astute private detective services I would never have been able to get to the bottom of this problem and get the employee expelled from the company.

September 2015 - Business Owner, Dublin City Centre


I hired a Private Investigator reluctantly to get their help in tracking my partner's moves in Dublin.   I could not have got the answers I needed alone and was suspicious that he was cheating on me.  It was affordable, and Declan was very professional and understanding.  Now I have the evidence I need to get my divorce and move on with my life – thanks to Declan.

January 2015 – Mary , Tarbert, County Kerry


My company needed a private investigator to conduct interviews with staff in order to get an unbiased account of a very serious event that occurred in our offices.  We were impressed with Declan and the speed of his response.  He was able to take a very complex and sensitive situation and get the interviews carried out professionally and with the required levels of compassion needed.

Although I was reluctant at the thought of hiring an outsider to do this, I am certain I made the right decision.  The follow up to these witness interviews was thorough and fast.  I hired this private investigator under a nondisclosure agreement due to the nature of the incident, nothing was too much trouble them.  He was flexible and patient when we needed him to be and helped us to carry out these interviews from a completely independent position.

I would recommend City Investigations to anyone else who needs witness interviews conducting on their behalf, or any type of investigative works doing.

February 2016 -Kevin, Goatstown Dublin 14


I needed a computer analysing and wasn’t sure who to turn to.  I found City Investigations online and contacted them to see what information they could potentially get from this laptop.  Turns out it was a lot more than I expected and when I found out how affordable it all was, I arranged for my laptop to be collected via a courier service and sent it to Aidan for analysis.  Without the beady eyes of this private investigators, I would have never found out about the risky websites and chats my 13-year-old daughter was having online. 

I have been able to protect my daughter and help to educate her on the dangers of the internet with this information.  Any parent has to know what their kids are up to online! Aidan helped me better understand everything and broke it all down, so it was really easy to see what was going on. 

Thanks again!

May 2016 -  Jenny , Blackrock, Dublin.


I highly recommend City Investigations for any surveillance work. It was quick, easy to arrange and put a 10-year long family feud to rest.  Great service, thank you

January 2016 – North Dublin Client


I was going to court with my ex-partner as he had applied for access to see our son.  My husband and I were subject to a court case, and I needed to get clear evidence of his drinking and aggressive behaviour in order to prevent the courts allowing him to have unsupervised access. 

I was already feeling quite anxious when I called Declan at City Investigations, even though they had been recommended by a friend, I was nervous about the cost and if it was even going to produce any kind of results which would help me.  

With 7 days I had information that I was able to take to my evidence to my meeting  with my solicitor and use in order to help the family  law court to reach an appropriate decision.  I greatly appreciate the help and advice given to me by Declan and would tell anyone who was in my situation to hire them because they made a really difficult time of my life into a much less stressful one. 

Without their evidence, my husband might have got away with things and got access granted. 

Thank you to Declan and the team at City Investigations.

August 2015 –  Mary Bayside area Dublin


I wanted to hire a private detective to do some surveillance for me.  With the help of Declan and some of his private detective tools, we got to the bottom of the problem and was able to provide the surveillance evidence to the Guards 

Nice to work with a professional, and affordable company. 

March 2016 -  Mr Barton, Co Clare Business owner Dublin South


I needed to get an in-depth understanding of two of my company’s competitors.  Within 3 days of hiring a private investigator from City Investigations, I had a full breakdown of products, pricing and promotions in the form of a competitive report.

I am still impressed with how quickly Declan managed to get all of this information and present it in such an easy to understand way. 

As a result of this data, we have been able to remain competitive in our business and get new customers for our company.  Thanks – highly recommended.

August 2016, -  Client does not wish to  disclose any personal Information.


I hired City Investigations  in sept 2016 I found them to be very proffesional dealing with my matter. I was under a great deal of stress at the time & going through a nasty seperation. These guys were with me every step of the way I can't thank them enough. I would  highly recommend them to anybody. Thank you so much guys from the bottom of my heart.

Merry xmas  & happy new year.

Michelle xx