Several essential factors must be considered when selecting a social media strategy agency to partner with. First and foremost, assessing the agency's experience and track record is crucial. Look for an agency with several years of experience developing and executing social media strategies for businesses across different industries. Check case studies and client testimonials on their website to get a sense of the results they've delivered in the past. It's also essential to understand the agency's specializations. All agencies don't offer the same services, so find one with deep expertise in the specific social platforms and tactics most relevant to your business goals. For example, if you want to focus on video content, ensure the agency has a strong video production portfolio. If influencer marketing is a priority, they should have experience managing influencer programs.