AI marketing agency costs in New York generally run 15-30% higher than the national average due to the competitive market and high operational costs in the city. For small to mid-sized businesses, expect monthly retainers ranging from $5,000-$15,000, while enterprise clients in sectors like finance or healthcare often invest $20,000-$50,000+ monthly. New York agencies typically structure pricing in tiers: strategy development, implementation, and optimization phases. Many Manhattan-based agencies offer specialized packages for specific industries dominant in NYC (finance, media, technology), while Brooklyn agencies often provide more flexible pricing models. When evaluating costs, consider the agency's expertise with New York's unique market dynamics and their experience navigating compliance requirements specific to regulated industries prevalent in the city.