Private Detectives and Private Investigators in London

View our latest testimonials

I dealt personally with Marzio D'Alessandro who did an exceptional job for me. He was very supportive and always talked things over with me before each stage of the investigation.

The price was very reasonable and that was always discussed at each stage, I would highly recommend Marzio to anyone.

Mrs Simpson



We employed Marzio and his team after a little research on the internet and a chat with a few private investigators. There is no GoCompare website that can guide you to the best in the business, you have to go on instinct...

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Please accept my apologies for the delay in writing this, as I have been properly snowed under of late!

I wanted to write to express not only my gratitude, but that of my family, for the incredible and astonishing job your organisation did in helping and supporting us when my nephew was abducted by his Thai mother... 

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Contact us today for a free no obligation appraisal of your situation.

Telephone 02071838376 or 07783042434 from mobiles.

In our capacity as professional private investigators, we can give you the answers to questions you may have about a business or personal issue.

We guarantee you will be pleased with the results we can achieve using our highly trained private investigators whatever your situation.

Our extensive experience means that we know people can be cautious and apprehensive when considering hiring a private investigator.

Our Private Investigation Costs and Fees for London can be found by following this link...

Providing Private Investigation Services to SolicitorsAbout us

Please feel free to look around our Private Investigation website to find the varied range of services that we offer.

After several years in the business we have literally helped thousands of people reunite with their family and friends.

As far as matrimonial (partner) issues particularly with “cheating partners”, we provide surveillance and advice should you think or discover that your partner is cheating on you.

We also provide trackers for cars to trace the person he/she might be cheating with.

Our private investigators work with the latest tracking equipment on the market. 

Our Private Investigation Services are available in London.


Our private investigation services include:-

Finding evidence on cheating partnersCheating partners in London

We have all the latest specialist equipment and surveillance operatives to help us find out the truth, and we can help you gather evidence that will give you answers.

We have a wealth of experience in these sorts of private investigations, so please feel free to contact our London office and we will be happy to help you. 

Nowadays, it is becoming more standard to hire a private investigator to find evidence of your partner cheating.

Whether you are married or not, we can find out if your partner is cheating. Our matrimonial investigators have broad knowledge in this area.

We are well established in London to provide this service.

More information on our partner cheating services can be found here ...


Financial Investigations in London

Our team consists of professionally trained financial investigators who specialise in fraudulent transfers of either a personal or business nature. Our private investigation specialists are trained in retrieving funds and searching for and finding hidden assets.  We deal with bankruptcy, fraud, embezzlement, identity theft and money laundering.  Should you require a financial inquiry which involves misconduct, dispute resolution, due diligence, asset recovery, or litigation, we have the skill, background and professionalism that makes a great difference.
Our financial investigators will analyse records and provide you with a detailed summery that will be presented in a way that is acceptable in court proceedings. Please call our London office for further information. 
We can help you get what is rightfully yours if you have been mislead or have had money stolen and we are also able to hunt down assets that have been well hidden. Call our private investigator team in the London for more information. 
So if you find yourself or your company in need of financial investigation to resolve issues or disputes, please give us a call. We are happy to help whatever your situation, and we are experienced in London for this service. 


Tracing People in London
Specialist private investigators in finding debtors, missing people, family and friends etc nationally or internationally.

We are able to work with very little information to trace your birth family if you were adopted and we have ways and means to find them for you.

Please call our London office for more information. 
More information on our tracing services can be found here ...

Surveillance operations in London
As far as surveillance goes, it is vital that we have as much detail as possible about the target before we can commence the surveillance. 
We can provide solutions for corporate and personal issues. Our fees are extremely competitive so you can ensure that you get the best surveillance operatives for some of the lowest fees. 
We have private investigators in the London that have worked in the Military or police services and we have made sure that they have the highest qualification in surveillance – BTEC Level 4. Surveillance operatives provide a service for a minimum of 6 hours per day.


GPS Tracking in London
We are able to provide GPS tracking devices which are magnetically placed under the car.
This will monitor and record all the addresses (including postcodes), dates, times and the duration that the car was in those areas. You will also be able to login to a computer and check out the movements of the car.
You don’t need to have much knowledge of computers to be able to do this.
Once the tracker has recorded enough information, we will provide you with all the data of the tracker.
Should your case ever go to court, this evidence may well give you an advantage. 
We believe that using GPS tracking devices, will give you peace of mind if you have any doubts as to whether or not your partner is cheating.
Please call to speak to one of our private investigators in our London office today for more information. 
More information on our tracking services can be found here ...


Background Checks / Investigations in London

This is a common part of all investigations, including background checks of employment and personal background checks.

We look into these different categories, and do the checks to confirm if the person involved is either reliable, honest and qualified or indeed suitable for a job or personal relationship.

It is standard in companies to require a background check and we have much experience in London for background searches.

Please call our London office and someone will be happy to assist you.



103 New Oxford Street, London, WC1A 1DD

We also have offices in North London, West London and South London and cover the entire Greater London area, including national and international enquiries

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