The Butler Group was established in 1997 to provide Components, Instrumentation and Engineering Solutions to the electronics and communications industry in Ireland and Internationally.  The Group acquired Transtest Equipment Ltd in 2005 to provide onsite Calibration to INAB Accredited Standards.

The Butler Group is a leading service provider to the Communications, Aerospace, Pharmaceutical, Bio-Medical, Energy, Environmental, Security / Surveillance and Education markets, with a strong philosophy of partnership with both customers and principals.