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Aaron Michael Neilson

Business Attorney at Missoula, MT

Not yet reviewed
  • State Years
    Montana - MT 12 years
    Washington - WA 13 years
  • Licensed for 12 years
    State MT
    Acquired 2011
    Active No misconduct found
  • Licensed for 13 years
    State WA
    Acquired 2010
    Active No misconduct found

We have not found any instances of professional misconduct for this lawyer.

About Aaron

Learn Aaron’s areas of practice.

Practice areas
  1. Business
    Business Formation (LLCs, Corporations, Partnerships); LLC Agreements; Partnership Agreements; Bylaws; Shareholder Agreements; Employment Manuals; Employment Agreements; Severance and Release Agreements; Non-Competition Agreements; Software License and Distribution Agreements; Business Litigation; Mergers and Acquisitions.

    9 years

  2. Construction and development
    Real Estate Development; Land Use; Zoning; Construction Contracts; Subcontractor Agreements; Construction Liens; Mechanic's Liens; Lien Foreclosures; Lien Disputes; Claims Against Bonds and Retainage; Warranty Claims; etc.

  3. Estate planning
    Wills; Trusts; Powers of Attorney; Healthcare Directives aka Living Wills; Gift Planning; Business Succession Planning; Guardianships; Conservatorships; Probates; etc.

  4. Litigation
    Litigate, arbitrate, mediate, and negotiate various civil disputes, including but not limited to breach of contract claims, personal injury claims, construction disputes, real estate disputes, employment disputes, contested probates, and much more.

  5. Real estate
    Commercial and Residential Leases; Purchase and Sale Agreements; Condominium and Homeowner Associations; Boundary Line Adjustments; Easements; Trespass Disputes; Adverse Possession Disputes; Joint Tenancy Agreements; Quiet Title Disputes; Title Insurance; Construction Liens; Construction Loan Agreements; Lien Foreclosures; Landlord-Tenant Disputes, Including Evictions.

    9 years

Aaron advises individuals, startups, tech and telecommunications companies, banks, contractors, and businesses on a wide-variety of matters. With several years in private practice in Seattle and Missoula, and as the former Vice President and General Counsel of a leading technology / communications service provider operating in 16+ states in the greater Pacific Northwest, Aaron has the requisite knowledge and experience to help you and to help your business grow, minimize risk, improve operational efficiencies, comply with regulations, and resolve disputes.

​Aaron enjoys the outdoors, playing and watching sports, attending concerts, drinking beer, reading, and spending time with his wife, two kids, and dog.

Aaron is active in the communities he serves. He is the supervising attorney at Blackstone LaunchPad at the University of Montana, where he helps law students at UM advise entrepreneurial individuals and students. Aaron is also on Camp Mak-A-Dream’s board of directors—a nonprofit that helps cancer survivors and their families develop lasting relationships with each other and similarly-situated individuals and families. He also advises some of the region’s largest nonprofit organizations.

Aaron graduated with high honors from the University of Montana with a B.A. in Political Science and Communications. After working in finance in Seattle Aaron attended, and graduated with honors from, the University of Montana School of Law.

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Neilson, Swanson, Dietrich, Smith, PLLC
5705 Grant Creek Rd
Suite A
Missoula, MT, 59808

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AVVO RATING 6.9 (Good)

Work Experience

  • Attorney and Managing Partner
  • Neilson, Swanson, Dietrich, PLLC
  • 2021 - Present
  • Attorney
  • Christian, Samson & Baskett, PLLC
  • 2015 - 2021
  • Attorney
  • Zeno Bakalian P.S.
  • 2013 - 2015
  • Attorney
  • Hanson Baker Ludlow Drumheller P.S.
  • 2010 - 2013
View all work experience


  • University of Montana School of Law
  • JD - Juris Doctor
  • 2010
  • University of Montana
  • BA - Bachelor of Arts
  • 2006

Sample of Legal Cases

  • Post Foreclosure Deficiency Judgments Against Commercial Loan Guarantors
  • Recovered sizeable judgments.
  • Ancillary Probate
  • Obtained court order allowing the property to be sold, which allowed the surviving spouse to attend college.
  • Condo and Homeowner Associations
  • Resolved disputes and provided for better governance of associations.
View all legal cases


  • Blackstone Launchpad at the University of Montana
  • Supervising Attorney
  • 2021 - Present
  • Camp Mak-A-Dream
  • Director
  • 2020 - Present
  • State Bar of Montana
  • Member
  • 2011 - Present
  • Washington State Bar Association
  • Member
  • 2010 - Present
View all associations

Languages Spoken

  • English

Honors and Awards

  • Sullivan Scholarship (character, integrity, and ethics)
  • Dean Robert E. Sullivan Law School Scholarship Fund
  • 2009
  • Lopach Family Scholarship (interested in politics)
  • Lopach Family
  • 2008


  • The Washington Landlord Association Quarterly
  • Legal Collection Steps
  • 2014
  • Washington State Bar Association Litigation News
  • My Client's Car Was Stolen, But Was Still Parked In Her Garage: How I Used a State Statute to Void a Fraudulent Title Transfer
  • 2013
  • Legal Blog
  • How Might a Hurricane in WA Impact Property Lines?
  • 2012
  • Legal Blog
  • Bank Officers and Employees Avoid Liability on Major Gaffe
  • 2012
  • Legal Blog
  • A Trustee's Undefined Duty of Care to Deed of Trust Grantors
  • 2012
  • Montana Law Review
  • Recent Decisions Affecting The Montana Practitioner
  • 2009
View all publications

Speaking Engagements

  • KCBA Real Property, Probate, and Trust Law Section
  • 2013-2014 Real Estate Cases in Washington State
  • 2014
  • EKCBA Real Property Section Meeting
  • 2013 Real Estate Cases in Washington State
  • 2014
  • Washington Landlord Association - 2013 Winter Conference
  • Collection Options for Landlords
  • 2013
  • Washington Landlord Association - 2013 Spring Conference
  • Liability Traps for Landlords
  • 2013
View all speaking engagements

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Missoula Business Lawyer Aaron Michael Neilson
Aaron Michael Neilson
Business Attorney
Missoula, MT
Licensed for 13 years