Sioux Falls: 605.361.9840 Parker: 605.297.4446

Business Start-up and Entity Formation

We listen to our clients’ needs, aspirations, and concerns

The Duncan Law Firm, LLP, business start-up and entity formation practice focuses on assisting individuals and entities turn business ideas into a reality. There are many choices involved with starting a business. One of the first decisions to be made is the type of business entity to form. In choosing an appropriate business form, an owner must look to a number of factors including ease of business formation, taxation, liability, and ease of expansion and eventual sale or termination. At The Duncan Law Firm, LLP, we listen to our clients’ needs, aspirations, and concerns and assist our clients both on what type of entity would best meet the particular client’s needs and in formation of the entity.


The Duncan Law Firm, LLP, has assisted in the formation of new businesses in a variety of industries including personal service, retail, construction, and real estate. After consulting with our clients, we assist in the formation of the entity that best suits their specific situation. The Duncan Law Firm, LLP, can assist businesses in the formation of such entities as:

  • Corporations
  • S-Corporations
  • Limited Liability Companies
  • Limited Partnerships
  • Limited Liability Partnerships
  • Non-Profit Corporations

In the entity formation, The Duncan Law Firm, LLP, assists its clients by providing the following services:

  • Name availability check
  • Secretary of State formation documents
  • Federal Tax Identification Number (EIN)
  • Corporate Bylaws
  • LLC Agreements
  • Partnership Agreements
  • Initial Consents
  • Shareholder Agreements
  • Stock Certificates
  • S-Corporation Election
  • Federal and State Tax-Exempt Recognition Application
  • Employment agreements and labor issues
  • Capitalization
  • General counsel services

Sioux Falls Office

Parker Office