Helder Maritiem world wide crewing services. Helder Maritime is a young and modern full service crewing agency based in Rotterdam. We provide competent crew from our ‘global’ pool network, selected and / or recruited bases on client requirements both for ad-hoc vacancies and long term crew. We provide qualified and experienced seafarers from ratings till top officer's positions, for all types of the vessels and all type of industries. With our years of maritime experience we are specialized in Offshore and Renewable industry, Dredging, Civil construction and Towage.