Top Compliance Auditors in Switzerland

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

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.

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.

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