| English | Catalan |
| commercial fishery Such fisheries belong to one of two groups: one catching demersal (bottom-living) fish, e.g. cod, haddock, plaice, sole; the other catching pelagic (surface-living) fish, e.g. anchovy, tuna, herring | pesca professional |
| commercial law The whole body of substantive jurisprudence applicable to the rights, intercourse and relations of persons engaged in commerce, trade or mercantile pursuits | dret mercantil |
| commercial noise Noise emitted from commercial activities | soroll comercial i industrial |
| commercial traffic The operations and movements related to the transportation and exchange of goods | tràfic comercial |
| commercial transaction The conduct or carrying on of trade, business or a financial matter to a conclusion or settlement | acte de comerç |
| commercial vehicle Vehicle designed and equipped for the transportation of goods | vehicle comercial |
| common commercial policy The set of uniform trade principles or practices established by an European Community customs union, which implements common tariff rates, tariff and trade agreements with non-member countries, import and export policies, and export promotion | política comercial comuna |
| public institution of industrial and commercial nature Public institution for the management of industrial and commercial issues | institució pública de caire industrial i comercial |
