About

Nathan R. Viavant is an attorney with Williams Kastner in Seattle, Washington, where he focuses his practice on contracts and agreements, commercial matters, and litigation. Serving clients from the firm’s office at 601 Union Street, Suite 4100, Nathan brings a practical, solutions-oriented perspective to complex business disputes and transactional issues. His work is centered on helping clients navigate legal challenges efficiently while protecting their interests and advancing their goals in an increasingly competitive business environment. Nathan’s practice reflects a commitment to clear communication, strategic thinking, and responsive client service. He understands that contract and commercial matters often carry significant financial and operational consequences, and he works closely with clients to address disputes, manage risk, and develop approaches tailored to each matter’s needs. Whether advising on agreements, handling commercial issues, or representing clients in litigation, Nathan is focused on delivering steady guidance and thoughtful advocacy at every stage of the process. At Williams Kastner, Nathan is part of a respected legal team known for its broad business law capabilities. He brings professionalism and attention to detail to each matter, with an emphasis on achieving practical outcomes that align with client objectives. His approach is grounded in diligence, accessibility, and a strong understanding of the legal and business considerations that shape today’s commercial landscape.

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