Seeking Recommendations: Digital Signage Companies for Retail Spaces

Looking for recommendations on digital signage companies for our upcoming project. We need a reliable provider with a range of options suitable for retail spaces. Budget is flexible but looking for good value. Any experiences, positive or negative, would be appreciated. We're particularly interested in ease of use, customer support, and flexibility in content management. Share your insights and let us know which companies you've had success with in the past!