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Cleaning Company in Sofia
Cristal Service offers professional cleaning of offices, administrative buildings, shops and private homes. The company has integrated management systems in place for quality, and clients…
Listed since 2026 · updated October 2026
Cristal Service offers professional cleaning of offices, administrative buildings, shops and private homes. The company has integrated management systems in place for quality, and clients can call or email for an offer. Its teams work with care and use quality cleaning products for every job.
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Event Organiser in Sofia
Congress Engineering was founded in 2002 and its main business is renting out a full range of professional equipment for the technical support of conferences and events. It also provides equipment for simultaneous interpreting, and its website sets out its ser...
Management Consultant in Sofia
COIS Bulgaria offers consulting on quality standards and has worked for 20 years to help firms build and certify their management systems. Its consultants are lead auditors for 11 standards, and its website lists its clients, services and the standards it cove...
Security Company in Sofia
DANLEX provides training, competency assessment and certification for security screening staff, including operator training and certification tools from CASRA. Its integrated management system meets ISO 9001:2015, ISO/IEC 20000-1:2018 and ISO/IEC 27001:2013. I...
