Maner Costerisan

Maner Costerisan is a Michigan-based CPA and professional services firm with deep roots in the communities we call home. With offices in Lansing and Grand Rapids, we work alongside nonprofits, associations, and mission-driven organizations across the state to navigate the financial and operational challenges that come with doing meaningful work. From audit and assurance to tax planning, outsourced accounting and advisory services, our team brings the expertise of a large firm with the relationships and responsiveness you'd expect from a trusted local partner. We believe strong organizations build stronger communities, and we're here to help yours thrive.