Top Compliance Auditors in European Union

Baker Tilly is a top-10 global advisory CPA firm network with 43,000+ professionals in 141 countries, serving mid-market and growth companies.

BDO is the fifth-largest professional services network globally, providing audit, tax, and advisory services through member firms in over 160 countries.

BSI Group is the world's leading standards and certification body, providing ISO 27001, ISO 22301, and other management system certifications globally.

Bureau Veritas is a world-leading testing, inspection, and certification company providing ISO 27001 and management system certifications in 140+ countries.

Deloitte is the world's largest professional services firm, offering audit, assurance, tax, and advisory services across 150+ countries worldwide.

DNV is a global assurance and risk management company providing ISO 27001, ISO 22301, and management system certifications across 100+ countries worldwide.

EY is a Big Four professional services firm providing audit, assurance, tax, consulting, and strategy services across more than 150 countries worldwide.

Grant Thornton is a leading global professional services network providing audit, tax, and advisory services through member firms in over 140 countries.

KPMG is a Big Four professional services firm providing audit, tax, and advisory services through a global network spanning 143 countries and territories.

Kroll is a global risk and financial advisory firm providing cybersecurity, compliance, and investigation services with deep expertise in digital forensics.

Mazars is an international audit, tax, and advisory firm operating as an integrated partnership across 95+ countries with 47,000+ professionals.

PwC is one of the Big Four professional services firms, providing audit, assurance, tax, and consulting services to major organizations in 152 countries.

Protiviti is a global consulting firm specializing in internal audit, risk management, and compliance with 9,000+ professionals across 25+ countries.

RSM International is the sixth-largest global professional services network, delivering audit, tax, and consulting services across 120+ countries.

SGS is the world's largest testing, inspection, and certification company, providing ISO 27001 and management system certifications across 140+ countries.

TUV Rheinland is a world-leading German certification and testing body providing ISO 27001, TISAX, and management system certifications across 60+ countries.

TUV SUD is a leading German testing, inspection, and certification body providing ISO 27001, TISAX, and management system certifications across 50+ countries.