American Research Bureau is a trusted leader in international probate and genealogical research. For more than 75 years, we have specialized in identifying and locating missing and unknown heirs to reunite them with their rightful inheritance. When we contact someone, we firmly believe they may be entitled to a legitimate claim in an estate matter. Our highly-skilled experts are qualified to handle any probate research assignment. We also assist attorneys, trust officers, estate administrators responsible for locating and documenting missing beneficiaries.