BUL SI is Technology and Consultancy Company, specialized in development of complex software systems, based on open source applications and tools. Our mission is to provide best solutions and services to our customers, addressing their specific needs and requirements.

As a client-oriented company our values and principles are:

  • We keep our promises!
  • We keep the deadlines!
  • We stay in the budget!
  • We follow the legislation!
  • We ensure highest quality of software and services!
  • We make the things clever, simple and effective!


BUL SI has implemented Quality Management System (QMS), certified in accordance with ISO 9001:2008 Standard, Information Security Management System (ISMS), certified in accordance with ISO 27001:2013 Standard and IT Service Management System (SMS), in accordance with ISO 20000-1:2011.

9001 27001 20000


Our team - these are proven professionals, who have rich and diverse experience, including on management positions in leading global technology companies. They are the greatest asset of the company and our team ensures an enormous competitive advantage over companies in the IT market. BUL SI invests continuously in the training and improvement of the competencies, knowledge and abilities of our team. A small extract of certificates held by our professionals are:

  • IBM Certified Enterprise Developer - IBM WebSphere Application Server
  • IBM Certified Specialist - IBM WebSphere Studio Application Developer
  • IBM Certified for e-business - Solution Advisor
  • CLP Domino Principal Application Developer
  • SOA Solution Designer
  • Microsoft Certified System Engineer
  • Cisco Certified Network Associate (CCNA)
  • Sun Certified Programmer for the Java 2 Platform
  • Project Management Professional (PMP)
  • OMG UML Certified Professional


iniciative BUL SI fully supports the initiative "Open eyes" of "Eyes on Four Paws Foundation"