Welcome to Tanko Law Firm! Tanko Law has been providing the best in Montana probate services, estate planning, wills and trusts and elder law since he opened his office doors in 1995. Tanko Law Office was founded with only one mission, providing the best legal advice in a caring manner and with outstanding customer service. Learning how to protect your assets, get a loved one’s estate through probate, or otherwise ensuring that your loved ones are cared for after a loss can be complex and difficult. Tanko Law Office will walk you through every step of the process and ensure that every legal need you have is covered.

cowboy-slider 400x300

The legal staff at Tanko Law provide a complete range of estate planning, trust and probate services. From start to finish, we’ll be there to help you through these difficult times with legal guidance and advice that you’ll be able to understand,so that your family’s future is secure after you pass.

Our Services

Estate Planning

Estate planning is the process by which individuals and families plan for the future to ensure a peace of mind.


A trust is an arrangement in which one person (known as a "trustee") holds legal title to property for the benefit of another person or persons (known as "beneficiaries").

Trust Administrations

Trust administration is a legal service that provides for the proper handling of assets and the distribution of property upon an individual’s death.


Probate is the legal process of transferring the assets of a person who has died to their heirs. Probate can be a complicated process and differs greatly from state to state.


A will is a legal document that lets you decide how your assets should be distributed after you pass.

Business Planning

Business planning is a process that helps you set goals, evaluate options and create actionable plans to achieve your desired results and future vision.

Why Choose Tanko Law?

You need a law firm you can trust to handle your case with the utmost professionalism and sensitivity. Tanko Law is an experienced and knowledgeable law firm in Montana handling issues of estate planning, probate and trust. We understand how stressful and unpleasant end-of-life planning can be. That's why we’re here to help you protect your assets and see to it that your end-of-life wishes are met and respected, whether it’s a power of attorney, establishing a living trust, a will, guardianship or any other aspects of estate planning. We also have a proven track record in handling business planning and immigration law, and pride ourselves on communication and compassion to address any and all of your questions, concerns, and worries.

Brian Tanko, Esq. is an experienced attorney practicing law in both Montana and Nevada. He has spent more than 24 years assisting his clients with all of their estate planning needs and founded Tanko Law Office with the goal of providing personalized service to his clients in an efficient and effective manner.

Areas We Serve

We serve all counties in Montana and have completed cases from border to border and dozens of counties in between. No county is too remote for our reach to provide the best in probate administration services!

Though the legal process can be complex, at Tanko Law, we strive to make it as simple and convenient as possible for our clients. That's why we offer the option to handle the entire process online or over the phone with no need for a face-to-face meeting.

Butte-Silver Bow

Columbia Falls
Great Falls


Miles City

Contact Tanko Law Today