Grupo Arga Detectives is a Spanish private detective agency based in Madrid. Hire the best private detectives in Madrid and solve all your doubts. Contact private investigators in Madrid at the best price. We are private detectives in Madrid Experts in investigation of infidelities, labor investigations, electronic sweeps, search and location of people, computer investigations, etc. All Our tests are valid before the Courts of Justice. Call us and request a free estimate from a detectives in Madrid or any other city in Spain.