Offline Advertising has always been a great medium to advertise and publicize even before the digital medium came. People, mostly in all sections of business, still use Offline medium along with the online advertising.

Although most of the marketing industry has shifted towards digital advertisement, there are still many areas where the old traditional way of offline advertisement is still being practiced. It is still an effective way to deliver ideas. 

If you own an online company you can still advertise using offline means such as:

• sponsorships- where the sponsors could be declared through conferences and meetings.
• rebranding- The products or services for which you are advertising could be improved more and more.
• Community engagement- the people involved in advertising could engage in effective and valuable communities for deciding their brands, value and also for reaching out to other communities of the same interests.
• Cross partnership- one can choose wisely the other partners for his/her company who support and understand their ideology, and values- such companies could be made partners for promotion. By this way, you would be able to reach out to potential partners as well. 
• Use print media, television and other signs to propagate your brand.

There might be many other methods of offline advertising but these are some of the helpful and effective ways of advertising at a conference.