Help us increase traffic for our web site

Recently we have built website [login to view URL] , goal of the web is to fill it with relevant information about companies that are in trading business. Information such as telephone numbers, web site addresses, emails etc. Adding information to the site is free for all users. In order for site to achieve it's goal we need quality unique traffic from people who are willing to enter information about their business and from people who are looking for that kind of information. That's were we need your help. Send us your offer what you can do for our site to achieve this goal, to make better google ranking, increase traffic etc. Only safe proven methods are allowed which do not violate Google policies.