Some tips for you:
1) Create social media profiles for your site, fb page, twitter, instagram, google+.
2) Leave real comments on relevant blogs with links pointing to your site.
3) Write guest article for other blogs and/or start blogging according to your niche.
4) Join relevant web 2.0 sites like squidoo.
5) Analyze competitor website to spy on their backlinks profile
6) Request links from your connection, business contacts, friends, suppliers, etc.
7) Check your on page factors to make sure its all good.