SGS is a top competitor of HQTS. SGS was founded in 1878, and is headquartered in Geneva, Geneva. SGS is in the industry. SGS generates $28B more revenue vs. HQTS.
Intertek is seen as one of HQTS's top competitors. Intertek is headquartered in London, England, and was founded in 1885. Intertek is in the field. Intertek generates 50,114% the revenue of HQTS.