we are nhs

At NHS Countermeasures we are at the forefront of technology to offer the best service. With our own team of internationally trained professionals, we are always gathering information to be up to date on technologies, TSCM, new threats and their corresponding countermeasures.

NHS electronic countermeasures

Who are we?

We are a company specialized in the realization of Electronic SweepsTSCM or commonly called “bugging and eavesdropping detection” with our own highly trained personnel in different countries (Spain, United States, United Kingdom, Lithuania and Russia).

We have our own state-of-the-art equipment for Electronic Countermeasures such as OSCOR GREEN 24GHZ, MESA, TALAN DPA-7000 telephone analyzer with reflectometer, ANDRE, WAM-X25, WAM-X10, ORION NLJD, CAYMAN, EDD-24T, spectrum and fiber optic analyzers, etc…

We are mainly committed to continuous training and recycling, offering maximum efficiency and results in our actions. We are regular visitors to European security trade fairs and equipment manufacturers, which makes us aware of all existing threats to our customers.

Our training, equipment and international certifications make us the best choice for detecting hidden microphones in private and business environments and organizations throughout Spain.

electronic scanning - tscm

Technical Surveillance Counter Measures

Electronic Sweeps

We guarantee the security and confidentiality of your stays and communications thanks to our electronic sweeping and electronic countermeasures services

Telephone Sweeps

We guarantee the security and confidentiality of your rooms and communications thanks to our radio scanning and electronic countermeasures services.

TSCM Training

We guarantee the security and confidentiality of your rooms and communications thanks to our radio navigation and electronic countermeasures services.

Why choose NHS?

The professionalism of our technicians and state-of-the-art technical equipment position us as a leading company in the electronic countermeasures sector.

In addition, our company protects a large number of Ibex 35 companies and Official Organizations.

your safety is our priority

We have been in the market for 15 years as a result of the effort and trust placed by our customers.

Electronic telephone sweeps try to detect and locate hidden microphones, telephone line manipulation, server manipulation, etc.

We are experts in detecting hidden microphones by performing electronic sweeps at the highest level with trained personnel in different countries.

We apply TSCM technology together with our own methodology to guarantee the security of your rooms and communications.


Frequently Asked Questions

Do you have any questions? Maybe some of these answers can solve your doubts

TSCM stands for Technical Surveillance Counter-Measures, which literally translates into English as Technical Surveillance Counter-Measures. These techniques seek to identify active or passive espionage elements that serve to collect or transmit information in an illicit manner, whether audio or video.

Yes. They are known as Electronic Sweeps, Microphone Sweeps or TSCM.

To detect if you are being listened to:

Check your surroundings for suspicious devices.
Watch for strange noises during calls.
Check network traffic and app permissions.
Monitor battery and data usage.
Consider signal detection devices.

If suspicions persist, consult with security experts or authorities. Protect your privacy and personal security.

Countermeasures are security measures designed to prevent, stop or mitigate threats and attacks. They may include computer protection systems, physical security, encryption, personnel training and incident response plans, among others. They aim to counter malicious tactics and protect security assets and systems.

No. We offer service throughout the national territory and also in the European Space.

Territorial mobility

We work for you

We usually work within the national territory and in Europe.

do not hesitate to contact us

May we help you? You can contact us through the following form.






    Calle del General Arrando, 42, 28010 Madrid


    +34 91 290 1888

    +34 634 400 844



    more info

    +34 91 290 1888

    +34 634 400 844

    we work for your safety

    For further information, please do not hesitate to call us or write to our e-mail address

    Specialists in Electronic Sweeps and detecting hidden microphones, TSCM Services. Phone: 91 290 18 88 Staff certified and trained in Russia, the United States and Spain. Services throughout Spain

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