• efficiency
  • peace
  • hope

Limestone Staff

Professional Bookkeepers in Sioux Falls and Yankton

Limestone has a dedicated team of professionals in South Dakota that are ready to provide quality bookkeeping service to your business. Our experienced staff takes the time to understand your business, your vision and your goals to map out clear directions for your success.

Founder - Steve Mix

Founder and President
Steve Mix | Sioux Falls

As Founder and President, Steve’s vision is to help business owners achieve success by building from a solid foundation of proven processes.

Steve holds a Bachelor of Science Degree in Economics and Accounting. He also has a minor in Chemistry. Steve has served in the Jaycees, President of the Cosmopolitan Club, President of Crime Stoppers, as well as other not for profit boards.


Cheryl Beck | Yankton

Cheryl joined the Limestone team in 2012. She holds a Bachelor of Science Degree in Accounting and Computer Science. Cheryl has experience in accounting, payroll, accounts receivable, accounts payable, SD sales and excise tax, inventory controls, job costing, financial reporting, budgeting, and cash flow management. She brings with her 11 years of experience in the hospitality industry, 12 years in retail, and 6 years in construction and landscaping.


Bookkeeper - Glen den Hoed

Glen den Hoed
| Sioux Falls

Glen joined the Limestone team in 2012. Glen holds a Bachelor of Science Degree in Accounting and specializes in bookkeeping and tax return preparation. Prior to joining Limestone, Glen spent 16 years in construction and management.


Bookkeeper - Mike Ehlers

Mike Ehlers
| Sioux Falls

Mike first joined the Limestone Staff back in 2007 as a part time Bookkeeper. Mike has a Music Merchandising degree from South Dakota State University, and has experience in Outside Sales, Retail sales, and retail Store Management. His goal is to partner with you to learn about your business so you can accomplish all of your business dreams. Mike and his wife Courtney have four children and little free time. Mike joined Limestone full time in 2014


Bookkeeper - Holly Hirsch

Holly Hirsch | Sioux Falls

Holly joined the Limestone team in 2016. Her background includes office management and, most recently, as a small business owner of five years. She has experience in payroll, accounts payable, accounts receivable, SD Sales Tax, along with the day to day activities of running a small business. Her past work experience is in the industries of retail, mental health, insurance, and auto repair.
Holly lives in Sioux Falls with her husband and three boys. In her free time, Holly is heavily involved in her children’s sports, namely soccer and basketball, as a manager to one team and a treasurer for two. Her favorite part is the time spent talking to the kids in the car on the way to and from events – whether they be in town or 13 hours away.


Bookkeeper - Tom Parker

Tom Parker | Sioux Falls

Tom joined Limestone in 2012 with a passion to share the company’s core values and a desire to help small businesses thrive. Tom holds a Bachelor of Science Degree in Business and Operations Management. He has over 17 years of experience as a manager and small business owner, including 11 years in manufacturing and distribution, 4 years as plant manager for an international firm, and 3 years as a business owner in the retail and hospitality industries.


Bookkeeper - Sherry Roed

Sherry Roed | Sioux Falls

As part of Mix Bookkeeping and Tax since 2010, Sherry played an integral role in the development and transition into the Limestone brand in 2011. Sherry holds a Bachelor of Science Degree in Finance, an Associate of Arts Degree in Accounting, and a Masters Degree in Business Administration. She has 6 years experience working with multi-state payroll and payroll taxes at a national hotel chain. Sherry’s background includes the HVAC industry and 15 years in the medical industry.

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