Serving Michigan, Indiana & Illinois, We Are The Leading Provider of Tax Help and IRS Representation -- Where We Have 11 Locations in Michigan, 3 in Indiana, and 2 in Illinois

Founded and headquartered in Michigan in 1978, Lothamer accepts clients from across the country. Since all of our CPAs and Attorneys are also Enrolled Agents, we are able to represent clients nation wide.

We are proud to have ten brick-and-mortar offices across the states of Michigan, Indiana and Illinois to foster close face-to-face relationships. This focus on local representation, trust, and integrity fueled our growth from the outset, and it’s what has made us the leading personal and business tax resolution firm in Michigan and Indiana.

We are the experts in Indiana, Illinois and Michigan tax law, including the new State of Michigan Offer in Compromise program that went into effect on January 1, 2015.

With the rise of the internet, we started getting calls from across the country. For residents and businesses not located in Indiana, Illinois or Michigan, we built the online tax resolution center to help us build strong interpersonal relationships and provide better services to every client regardless of location.

Rooted in Michigan. We have offices in the following Michigan cities:

We serve the following Michigan regions:

We have offices in the following Indiana cities:

We have offices in the following Illinois cities:

eResolution™ Client Portal

eResolution™Center users gain 24/7 access to their case and receive one-on-one access to their case manager and a team of tax professionals.