Based in Lansing, Michigan, Maner Costerisan is the largest regional CPA firm in Mid-Michigan with over 150 employees. In addition to our traditional CPA firm services, we have a Business Solutions & Technology practice (Maner Solutions) where we specialize in helping small and mid-sized organizations select, configure and implement industry leading Financial Accounting (ERP) solutions, including Sage Intacct.

We specialize in system integrations.  We can also assist you with other products and services, including budgeting & forecasting solutions, Office 365 migrations, PowerBI and business analytics.

As a CPA firm, we understand the importance of customer service. We are a professional services firm first and foremost and our focus is on the well-being and business success of our clients. With a highly satisfied client base of over 300 software clients, Maner Costerisan is a premiere provider of financial accounting and ERP software solutions.

Our mission is to enable others to reach their potential in the delivery of innovative and traditional accounting and technology-related services. We care about our clients as people and we are passionate about helping them improve their lives through better financial accounting software solutions and improved technology.