The reporting requirements on company mergers and demergers have been relaxed with effect from 31 December 2010.

Companies now have until 31 December 2011 to re-register with the new Bulgarian Commercial Registry.

Bulgarian law requires that the directors of Bulgarian joint-stock companies perform their functions as directors by adhering to the "duty of care" standard of a prudent businessperson and always...

Bulgaria has introduced significant legislative changes in 2026, including new lobbying regulations, enhanced cybersecurity requirements, and EU-wide foreign direct investment reforms. Bulgarian courts have issued important rulings on insolvency criteria, director liability, and non-competition clauses in M&A transactions, while the Supreme Court prepares to address the validity of agreements detrimental to companies.

Over the past months, Bulgaria has adopted and implemented several important legislative changes affecting foreign investment screening, merger control, corporate reorganisations, and company transparency.

Bulgaria has a civil law system which is harmonised with EU law. The main sources of law are: