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SPI has vast experience of providing successful counter surveillance measures, employing our unique brand of techniques and state-of-the-art equipment.

An electronic counter measure (ECM) inspection, or debugging sweep, can be arranged simply and quickly. We can carry out an exhaustive electronic search of any premises or location that will unearth even the most subtle invasive device.

Regardless of whether these illegal eavesdropping devices are in operation at the time of an inspection or not, our equipment will detect their presence.



performing a sweep using 'Hunter v-2'


They can be removed, neutralised, or even left in place for you to turn to your advantage.

Our purpose is to provide you with a secure environment and the knowledge to regain superiority over your competitors.

And our service doesn't stop once we've swept your premises. Of course, prevention is better than cure, and we can help prevent future breaches in security with our experience in installing secure communications systems and internal counter measure facilities.


Working with a number of associated companies - all experts in their own fields - SPI provides an unparalleled, one-stop security service.

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