Guiding Generations In The Northwest Through Life’s Journey

Since 1946, our firm has strived to fulfill our goal: providing high-quality legal support to individuals, businesses and organizations. To this day, that vision remains our uncompromising goal. Jeffers, Danielson, Sonn & Aylward, P.S., is one of the largest law firms in north-central and eastern Washington. We are staffed with a comprehensive and diverse team of strategically focused attorneys who are among the strongest in their areas of practice. With this skill and dedication, our team can help you overcome local or international business and family law challenges now and for a lifetime.

Established 1946 | 75+ | Years of Service

Serving Washington and the Northwest with excellence for over 75 years

Our Areas Of Focus

Business And Corporate Law

Comprehensive legal services for businesses including corporate governance, enterprising transactions, litigation and alternative dispute resolution

Family Law

Compassionate counsel for adoption, divorce, child custody arrangements, spousal support and other domestic issues

Land Use and Environmental Law

Offering guidance for land use and the relevant local, state and federal regulations involved in these projects

Agriculture Law

Representing corporations and public entities regarding agricultural transactions, financing, cattle farming and more

Commercial Real Estate Law

Focusing on commercial transactions with experienced readiness to protect you in litigation

Intellectual Property

Providing skilled legal representation to identify, protect and police intellectual property

Forward-Thinking. Technology-Focused. Value-Driven.

Although we have an outstanding history in the community, our focus is on the future. We plan for your success. The decisions you make now about your legal agreements or disputes can impact you for years to come. At our firm, we leverage technology in new ways to help you make these important choices. We embrace an evolving mindset by using the cloud, digital project management and virtualization to make our clients’ experience safer, faster and smoother.

At Jeffers, Danielson, Sonn & Aylward, P.S., we believe in five core values that drive our work.

Pursuit Of Excellence: No stone goes unturned when helping our clients overcome legal challenges.

Assuming Goodwill: We treat everyone, including clients, colleagues and opposing counsel, with respect.

Integrity: Our clients value honesty. When we make a promise, we honor it.

Team Before Self: Even as we grow, our team works together to make major decisions.

Accountability: We have high standards for our team, and we take responsibility for our actions.

Learn more about how we use technology and implement our firm values here.

As Seen In

Station KIRO7
KOHO 101.1 FM
Wenatchee Valley Business World
Daily News
Daily Herald | Big Picture. Local Focus
The News Tribune
Pittsburgh Post-Gazette |
Los Angeles Daily News
The Columbian
The Wenatchee World

Meet Our Attorneys

For Your Business: Fostering Success

It takes a passionate leader and a dedicated team to grow and then protect a business. We want to be part of your team at every step, from business formation to succession. We counsel businesses of all sizes on how to maintain and grow their success, including billion-dollar companies. Whether you are facing the responsibility of taking on a new venture or planning for how to protect yours long-term, our experienced attorneys can offer guidance and strong representation in court. When you work with Jeffers, Danielson, Sonn & Aylward, P.S., you get a team armed with knowledge in international business, corporate, hybridization, employment, tax, intellectual property, land use, construction and other areas of law to cover all of your bases. We also have a unique insight into environmental regulations as a law firm that represents corporations, municipalities and other Washington entities in land use and agricultural law concerns.

On Your Side During Life’s Journey

Jeffers, Danielson, Sonn & Aylward, P.S., is at your side as you make the most of your adventure. Throughout all life’s challenges, risks and accomplishments, we provide the finest legal advice and support for every step you take.

For Your Family: Guiding You Through The Changes Of Life

We also offer legal services for the most important things in life: your family and their future. From your child’s birth to a loved one’s loss, we are here for you. We carefully help you navigate family law issues, including adoption, divorce, child custody and parenting time. When your family is ready to begin planning for the future, we can help you with estate planning needs such as wills and trusts. If you lose a loved one, we can help you settle the estate.