Portbase Support Start with Portbase Register or link an organisation What is CoC? Search Pevious Next CoC stands for Chamber of Commerce, the English term for the Kamer van Koophandel (KVK). Was this article helpful? Yes No 1 out of 1 found this helpful Thanks for your feedback, we'll work on it. Name E-mail Thanks for your feedback! What information exactly were you looking for? This helps us improve our articles Submit