-The content of the poster to be designed is mainly motivational, entrepreneurial, educational, infographical or on startups.
-To get a better idea visit, https://www.startupvitamins.com/catalog/poster (This is not my company! I'm looking to get posters designed of this sort)
-The Graphic designer must have great ideas and good knowledge of photoshop, illustrator and other design software.
-The Poster Must not be too cluttered, Preferably must use bold colours and fonts.
- REMEMBER! Poster design is Not just about putting a motivational quote on a solid coloured canvas, the illustration behind it has to be witty too and should go along with the quote. for example:
1) https://www.startupvitamins.com/products/startup-poster-the-riskiest-thing-is-to-take-no-risks
2) https://www.startupvitamins.com/products/startup-poster-innovate-or-die
3) https://www.startupvitamins.com/products/startup-poster-no-one-said-it-would-be-easy
-Good designers will get to design many more posters in the future.
Good Luck!