Check your contractor’s diligence
A new service is offered by the Bulgarian Chamber Of Private Enforcement Agents. The Chamber maintains a register of debtors in Bulgaria. It contains names of all companies and persons who have been sued successfully and enforcement proceedings has been initiated against them. In short there is a public register of people and companies who don’t pay their debts.
Access to the register has every law enforcement agent. They can provide information on particular company/person if you provide company number for companies and personal number for Bulgarian citizens. In order to check a foreign person, you need to provide just a name. The fee for this service is EUR 5 per person/company. More information can be found here (in Bulgarian only)