Firm Profile

Mefford & DeLong LLC was founded by Linda Mefford and Angie DeLong, two people who love what they do.  We offer you accuracy, personal attention, year-round service, and experience that no one else can match. We are committed to helping our clients obey the law, while at the same time minimizing their tax liability.  We teach our clients about record-keeping requirements, alert them to potential problems, and discuss choices they must make when filing tax returns.  We want our clients to understand what they are signing and we take the time to review their forms with them.

We are Enrolled Agents, federally licensed tax specialists authorized to represent taxpayers at all IRS administrative levels and in all states. (Please check our link "What is an Enrolled Agent?"). We can represent you in Tax Court if necessary, but our goal is to prevent all of our clients from needing that service. As Enrolled Agents, we each average over 80 hours of annual continuing education. We stay informed on all of the latest federal and state tax law changes.

We have particular expertise with small businesses, rentals, daycare, military, clergy, foreign tax issues, trust and estate tax returns, and multi-state returns. Mefford & DeLong LLC uses QuickBooks to provide monthly, quarterly, or annual accounting for small businesses.  We review the work of clients who prefer to keep their own books and advise them on corrections and adjustments. Please click on our names on the left side of this page to learn more about us.

Mefford & DeLong LLC efiles all tax, payroll, and information returns.  Let us help you with:

Personal Taxes
  • Forms 1040 and 1041
  • All forms and schedules, all states
  • Estates and fiduciaries
  • Tax planning

Business Taxes

  • Forms 1065, 1120, 1120S, 990
  • Payroll tax processing 
  • W-2 and 1099 preparation
  • Small business accounting and bookkeeping
  • Business tax planning


  • Response to IRS and state letters
  • Audits
  • Amendments

We are active members of the following professional organizations.

National Association of Tax Professionals  

National Association of Enrolled Agents 

Minnesota Society of Enrolled Agents

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