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Thomas Whayman & McCarthy

About us

We are willing to get to know and understand our clients and their needs on an individual basis.

Since our inception in 1996 we have continued to grow. Now with operatives operating along the entire east coast of Australia, we are even better able to serve your every need with the honesty and integrity you deserve.


TWM (Thomas Whayman & McCarthy) commenced operation in Tasmania in June 1996 with one investigator, supported by a secretarial service.

Since inception TWM (Thomas Whayman & McCarthy) has expanded to employ factual investigators and surveillance operatives in Tasmania, Victoria, NSW and Queensland.  We also enjoy excellent relationships with service providers in other states and overseas.


Our Staff

Our staff members, nationwide, have many years investigative experience. Our investigators were selected and enticed from Police and other investigative authorities because of their:

  • Ability to relate to people
  • Attitude
  • Work ethic
  • Investigative skills

Our staff boast diversified and specific skills in surveillance techniques, all types of fraud, accident, theft, workers compensation, liability and fire related investigations.


Partners & Managers:

Murray J. Thomas

  • Former Managing Director of his own international company.
  • Author.
  • Freelance writer and photographer.
  • Specialist in all forms of surveillance and electronic sweeping of premises.

Terence (Terry) P. McCarthy FAICD

  • Member Tasmania Police 21 years, attaining the rank of Senior Sergeant.
  • 8 years traffic enforcement duties. Experienced in investigating motor vehicle accidents and breath analysis issues.
  • Detective 6 years at Hobart C.I.B., Breaking Squad and Major Crime Team.
  • Member of Tasmania Police Negotiators Unit for 12 years. Nationally accredited Counter Terrorism Negotiator.
  • Guest speaker for Federal Bureau of Investigation, Baltimore County Police Department and the California Association of Hostage Negotiators.
  • Experience project manager and policy writer.