Meet our local, knowledgeable and dedicated team of accounting professionals.

Christine M. Mullin, EA
Member
cmm@mbs312.com
Education, Experience and Affiliations
BBA Davenport College
35 years local public accounting experience
18 years private industry accounting
National Association of Enrolled Agents
Michigan Association of Enrolled Agents
National Association of Tax Professionals
Areas of Practice and Industry
Business and Personal Tax Consulting
Accounting and Tax
Construction, Service/Trade, Food Service, Professionals, Small Business, Auto and Truck Dealers, Real Estate and Trusts, and Software Support and Installation (QuickBooks and Sage)


Sarah Lott
Staff Accountant
ses@mbs312.com
Education, Experience and Affiliations
BBA Western Michigan University
21 years local public accounting experience
Areas of Practice and Industry
Accounting and Tax
Construction, Service/Trade, Food Service, Professionals, Small Business
Software Support and Installation
QuickBooks Certified Professional Advisor

Marian Mullin Stewart
Staff Accountant
marian@mbs312.com
Education, Experience and Affiliations
30 years mortgage servicing industry
14 years local public accounting experience

Contact us
Phone: (269) 679-5536
Fax: (269) 679-2206
Email: contact@mbs312.com
Mullin’s Business Service, LLC
312 S Grand St
Schoolcraft, MI 49087
Business Hours
Monday-Thursday: 9am – 5pm
Closed Friday, Saturday, & Sunday
