Promotional posters

I am looking for a freelancer to design promotional posters that will help raise awareness of my brand. The desired style is modern and minimalist, and the posters should be A4 size or smaller. These posters should help to communicate the message, services and values I want to impart on our audience. I envision these posters as eye-catching visuals that will draw in potential customers and create an impression they won't easily forget. I am also open to suggestions and the freelancer's ideas to make the poster campaign even stronger.