Sponsorship of a conference or a meetup gives you the opportunity to solve different tasks:

To raise visibility of your company's products and services between programmers. To introduce your company as a potential employer. Sponsorship Package may include:

An opportunity to give a welcome speech at the conference opening. Placement of sponsor's logo on the conference website, printed conference program leaflets and other vehicles. Placement of sponsor's leaflets, brochures and other promotional materials in participant’s packs. Participating with a booth at the conference: competitions, demonstrations and promo-campaigns holding, communication with participants. Including your company's technical talk into the main conference program.