Clarke Leiper PLLC is a certified public accounting firm based in the Washington, D.C. metropolitan area. We provide a full range of audit, advisory, and accounting services to the Federal government and not-for-profit organizations. We understand the challenges government agencies face and we meet those challenges with a team of qualified and dedicated professionals. Clarke Leiper provides the personalized services of a small firm and delivers the quality expected from larger firms. Let us bring our experience, talent and focus to your organization.