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We connect Greater Seattle and international companies for global success.


TDA promotes the most innovative, internationally-connected region in the U.S. for trade and business.


We provide information on international business and on the Greater Seattle region.

We promote, connect, and educate the Greater Seattle region for international trade and business.

The most internationally-tied region in the United States, Greater Seattle's leadership in key industries, ranging from aerospace to IT to biotech to clean technology, is built on a vibrant foundation of world class research, a diverse, highly skilled workforce, and a network of business and trade services. 

This is where the world comes to build our tomorrow. Come join us.

Schedule a meeting with us!


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Japan's new carrier service makes North American debut at Port of Tacoma

Container ship ONE Commitment arrived for the first time at the Port of Tacoma, reflecting a robust transoceanic trade relationship with the Greater Seattle region. Read more

Take a tour of the advanced NewCold Storage facility in Tacoma, WA

That massive, white cube on Orchard Street in Tacoma, WA is Netherlands-based NewCold, a brand new, state of the art cold storage warehouse. Read more

Washington State University (WSU) researchers further the research of...

WSU scientists will investigate quantum physics and the growth and development of plants in outer space using two new labs at the International Space Station. Read more



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