Brian Blackwell Investigations is a State of Washington licensed private investigation agency based in Seattle providing thorough private investigation services. Experienced professional with clients throughout Washington state, the U.S., and in Canada, England, Japan, Australia, Philippine Islands and India. Brian Blackwell has over 20 years experience and started this business to offer confidential services at reasonable prices that you can rely on. Many of our clients come to us via word of mouth and referrals. Let us find the truth and the evidence that you need.