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Serving the San Francisco Bay Area, Silicon Valley, Northern California and the Western United States

  What's a "bug"?
Phone taps
Found a bug?
Where to look
Home inspections
Off-site meetings
Who's Walsingham?

You should only contact us from a telephone outside of the potentially compromised location! DO NOT call from your office or home; use your cell telephone only from a discreet location.


Walsingham Associate Inc. is a professional firm established in 1980. Our exclusive goal is the prevention and detection of unauthorized or unlawful industrial espionage through the use of clandestine electronic and/or other means for the theft of proprietary information.

Our management staff is specifically trained in Technical Surveillance Counter Measures (TSCM) with emphasis on electronic bug sweeps for industrial applications and government facilities.

Our reputation is based on honesty, ethics and integrity.


Copyright 2006 [Walsingham Associate Inc.] All rights reserved
We are licensed California Private Investigators: #11618