Concrete Retaining Wall Construction

I'm seeking a skilled contractor to construct a foundation and an anchored concrete retaining wall for a residential build. The retaining wall will be 4 to 8 feet in height. Key Requirements: - Experience with anchored retaining walls - Proficiency in concrete work - Knowledge of residential foundation requirements Ideal Skills & Experience: - Previous similar projects - Strong understanding of structural integrity and drainage - Relevant certifications and licenses Please provide examples of past work and a detailed estimate.