Lansing CPA Firm - Lansing Accountant - Tax and Accounting Services - CPA Hartman Accounting is a Lansing CPA firm that provides a wide variety of accounting, tax and financial management services. Our clients are located in towns like Lansing, East Lansing, Okemos, Holt, Haslett, Grand Ledge, Mason, and more. We service clients in Ingham County, Eaton County and Clinton County. Hartman-cpa.com~Site InfoWhoisTrace RouteRBL Check