poster makers for my small business of wall posters

I am looking for poster makers to create a series of wall posters for my small business. The style of the posters should be minimalist. I have specific images and themes in mind for the posters. I need more than 7 posters in total.

Ideal skills and experience:
- Experience in creating minimalist poster designs
- Ability to bring specific images and themes to life
- Strong graphic design skills
- Attention to detail and ability to meet deadlines