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New Pharmaceuticals Businesses in Seattle, WA

1 pharmaceuticals businesses recently registered in Seattle, Washington.

Updated September 28, 2026 · Most recent business filing Nov 26, 2025

Total Filings

Nov 26, 2025

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About Pharmaceuticals Businesses in Seattle

This page lists new pharmaceuticals businesses registered in Seattle, Washington. We currently track 1, sourced directly from the Washington Division of Corporations and refreshed daily as new pharmaceuticals companies file.

Recent additions include Omeros. The most recent pharmaceuticals business filing was on Nov 26, 2025.

Each entry shows the filing date and, where we can verify it, the owner name and contact details. If you sell to pharmaceuticals businesses in Seattle, this is one of the freshest prospect lists in the market.

All Filings

Omeros

Nov 26, 2025

PharmaceuticalsVerifiedSeattle, WA · King Co.

Omeros Corporation is a pharmaceutical company based in Seattle, Washington, focused on discovering and developing novel therapeutics. The company's website describes it as breaking the mold in the pharmaceutical industry through novel discovery, strategic translational research, and vigorous clinical programs. The site lists officers including Greg and Diana, matching the filing's principals Greg Demopulos and Diana Perkinson. The business operates from 201 Elliott Avenue West in Seattle, as confirmed by both the filing and website.

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