Complex sentence: The site began selling classified advertising packages to companies looking to post multiple job vacancies and properties with this contributing to the company's growth of listings and revenue, in 2013 Gumtree extended bulk classifieds listings accounts to car dealers.
Split into simpler sentences: The site began selling classified advertising packages to companies looking to post multiple job vacancies and properties with this contributing to the company's growth of listings and revenue. In 2013 Gumtree extended bulk classifieds listings accounts to car dealers.