Amy L. Arndt

Sioux Falls

Amy Arndt is the Managing Partner of Ballard Spahr's Sioux Falls office, a member of the firm's Elected Board, and is the Practice Leader of the firm's Owner-Managed and Closely Held Businesses Group. Known for her strategic and client service-oriented approach, Amy assists business owners with operational issues, management succession, financing options for growth, and restructuring. Her practice emphasizes securities and corporate finance and she represents clients in various industries such as agri-business, real estate, hospitality, consumer products, manufacturing, and renewable energy.

Amy has significant experience advising privately held companies on private offerings/placements and finance, corporate governance, disclosure matters, mergers and acquisition transactions, and asset acquisitions and divestitures. She acts as outside general counsel to clients advising on various matters including formation, shareholder agreements, and internal corporate structuring.


Representative Matters

  • Representing major manufacturers pertaining to sales and management structuring, underlying capitalization matters and general Board governance
  • Advising lending clients and financial institutions in originating, structuring, documenting and negotiating financing transactions, inclusive of co-lender arrangements pertaining to sales of businesses, real estate and other transactional finance matters
  • Representing lenders pertaining to foreclosures and workouts prior to litigation involving agricultural property, business assets and commercial real estate property

Professional Highlights

Professional Activities

American Bar Association, Real Property, Probate and Trust Division, Member

South Dakota State Bar Association, Business Law Committee, Chair (2012-Present)

Second Judicial Bar Association, Member

Recognition & Accomplishments

Chambers USA, corporate/commercial (South Dakota), 2016-2022

The Best Lawyers in America, mergers and acquisitions law, 2013-2023; Lawyer of the Year, 2022 

American College of Mortgage Attorneys (ACMA), Fellow, 2017

EmBe 50 Women Leaders in Sioux Falls, 2014



University of Nebraska College of Law (J.D., 1996)

Augustana College (B.S. with honors, 1993)


South Dakota

U.S. District Court for the District of South Dakota