About Us

One of the most important parts of running your business is managing the books. If your finances aren’t in order, your business can suffer. Not only does streamlined bookkeeping help you to manage your business to improve your bottom line, but it also helps to avoid potential legal problems with the IRS.

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Theresa Schwager, President

Theresa graduated early from Hamilton High School, Milwaukee, WI in Dec. 1975. She worked full-time at various businesses while raising a family with 4 children. Many years later she received her B.A. in Business Management from Alverno College, Milwaukee, WI in 1994. She also carried minors in Market Research and Global Studies.

Theresa is no stranger to the world of entrepreneurialism. Her father owned his own painting and cleaning businesses and she worked for him on large jobs doing detailed painting, specializing in painting decorative wrought iron.

At DMS Theresa is in charge of client management. She is also in charge of all aspects of the client’s Financial Statements and other Monthly and Quarterly reports.

In her spare time she enjoys spending time with her children, grandchildren, great-grandchild, and her dog, Kato. She also enjoys restoring (and repairing) her 1927 Craftsman Bungalow.

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Martha Bluett, Bookkeeper


Martha graduated from Algoma High School, Algoma, WI in 1995. Math and science have always been a passion for her.

She worked various office jobs as a temp until earning her Associate of Science degree in Chemical Technology from MATC in 2002, starting her career in science. She worked full time as a chemical technician while at the same time earning a Bachelor of Science degree in Chemistry from Mount Mary University in 2007 when she was promoted to chemist.

Martha worked in the chemical industry for over a decade, until 2015 when she left the lab for health reasons and decided to take her love of numbers and change her career path to the financial side of things. Her husband had recently started a food truck and she started helping with the books and while pursuing an Associate Degree in Accounting from MATC which she completed in 2017. She honed her accounting skills working for a small CPA office and a local restaurant group before joining the DMS team in 2020.

In her spare time, she enjoys creating her own crochet and counted cross-stitch patterns, gardening, cooking and video games. She also enjoys board game nights with friends and family.


Diversified Management Services, Inc. (DMS) provides personalized services to help businesses grow. We work exclusively with QuickBooks® accounting software to offer bookkeeping, accounting, business development and management services to small businesses in southeastern Wisconsin since 1993.

DMS is a long-standing member of the American Institute of Professional Bookkeepers. We take pride in the work that we do. Since 1993, our mission has been to provide quality work at a fair price to local small businesses in Southeastern Wisconsin. Our rewards are our relationship with you and watching your business grow and become profitable year after year.

Diversified Management Services, Inc.

SouthEastern Wisconsin small business bookkeeping service.

10520 W. Bluemound Rd., Suite 106
Milwaukee, WI 53226

Phone: (414) 231-3702