Overview

Rooted in the Lansing community for over a century, Maner Costerisan is a full-service public accounting and business advisory firm dedicated to providing quality and reliable services targeted to specific client needs. Over the years, we have grown into the largest locally-owned firm in mid-Michigan, serving clients of all sizes and across a range of industries.

With a staff of more than 100 individuals, our clients can rest assured they will receive the necessary attention and expertise to obtain the best possible results for their unique situations. We take an active role in the professional development of our people through in-house training and continuing education from both regional and national organizations.

At Maner Costerisan, our primary focus and number one priority is the satisfaction and success of our clients. We strive to provide them the best service available, while giving them the personal attention and respect they deserve.