Hartman Cosco

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Experienced. Respected. Trusted.

Hartman Cosco is a leading lobbying firm that provides sound strategy, policy and advocacy services for a broad range of clients. Our relationships, rooted in trust and developed over time, position us to help policy makers understand the importance of our clients’ issues. Our diverse backgrounds and experience offer our clients a balanced and well-rounded perspective on how to successfully navigate the complicated rules – both written and unwritten – of government. We are trusted by multi-national companies, state-wide associations, and non-profit organizations because our proactive engagement with our clients and our proven record of success are transforming the notion of traditional lobbying.