Full List of Biotech Companies in Seattle, Washington (2025)

Though Seattle has been known for the presence of tech giants like Amazon, and Microsoft, the city has become a major biotech hub in Washington and the entire US. Top biotech companies in Seattle focus on key research areas such as gene and cell therapies, AI-driven protein engineering.

Initiative such as the Seattle Hub for Synthetic Biology, a collaboration between Allen Institute, Chan Zuckerberg Initiative and the University of Washington in Seattle, monitor and record changes in cells to understand how diseases affect them.

Seattle is home to academic institutions such as the the University of Washington and the Fred Hutchinson Cancer Research Center, whose collaboration with biotech companies drive research in key sectors like immunotherapy, and oncology.

Adaptive Biotechnologies, Bristol Myers Squibb, Seagen, Shape Therapeutics, Outpace Bio, Immusoft, TwinStrand Biosciences, Umoja Biopharma, Lumen Bio, and AGC Biologics, are some prominent biotech companies in Seattle.

Bristol Myers Squibb employs 1500 people in the region, and has an advanced cell therapy manufacturing facility. Adaptive collaborated with Microsoft to develop the TCR Antigen map used to identify disease signature data.

Biotech Companies in Seattle, Washington

A-Alpha Bio

2101 4th Avenue, Suite 500

Seattle, WA 98121

Email: contact@aalphabio.com
https://www.aalphabio.com

Aavocyte Inc.

Seattle, Washington, US

Web: https://aavocyte.com/

Abacus Bioscience

1616 Eastlake Avenue East, Unit 208,
Seattle, Washington 98102,
United States

Web: www.abacusbioscience.com

AbBioSci, Inc.

401 Terry Avenue North,
Seattle, WA 98109 USA

Toll-free: 855-698-6988
Tel: 425-999-7265
Fax: 855-698-6998
Website: www.abbiosci.com

Adaptive Biotechnologies

HQ: 1165 Eastlake Ave E
Seattle, WA 98109

Labs: 1551 Eastlake Ave E, Ste 200
Seattle, WA 98102

Phone: (206) 659-0067
Fax: (206) 659-0667
Phone: (855) 466-8667 (Research)
https://www.adaptivebiotech.com/

Adaptive Symbiotic Technologies Inc.

U.S. Office & Lab
3503 NE 45th Street, Suite 2W
Seattle, WA 98105
United States

Phone: 1-800-918-6830
Email: info@adsymtech.com
https://www.adsymtech.com/

Advanced Cellular Dynamics, Inc.

3005 1st Ave Suite 205,
Seattle, WA 98121,
United States

Phone: +1 206-726-1205
https://acd.bio/

Alpenglow Biosciences

2121 N 35th St, Suite 100
Seattle, WA 98103

Email: info@alpenglowbiosciences.com
Tel: (206) 708-7710
https://www.alpenglowbiosciences.com

AltPep Corporation

1150 Eastlake Avenue E., Suite 800
Seattle, WA 98109

Phone: +1 206 538 0000
Email: info@altpep.com
https://www.altpep.com

Aptevo Therapeutics

2401 4th Avenue, Suite 1050
Seattle, WA 98121

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Tel: 206-838-0500
Fax: 206-838-0503
Email: info@apvo.com
https://aptevotherapeutics.com

Archon Biosciences, Inc.

1616 Eastlake Ave E Ste
360, Seattle, WA

Email: contact@archon.bio
https://www.archon.bio

Arzeda

3421 Thorndyke Ave W, Seattle,
WA 98119, United States

Phone: +1 206-402-6506
Email: info@arzeda.com
https://arzeda.com/

Atossa Therapeutics

107 Spring Street Seattle, WA 98104

Phone: 1 (206) 588-0256
Email: info@atossainc.com
https://atossatherapeutics.com/

Aurion Biotechnologies

1600 Fairview Avenue East
Suite 300
Seattle, WA 98102
United States

Email: hello@aurionbiotech.com
Web: www.aurionbiotech.com

Avalyn Pharma

701 Pike St #1500, Seattle,
WA 98101, United States

Phone: +1 206-707-0340
https://www.avalynpharma.com

AVM Biotechnology

1700 7th Ave, Suite 2100
Seattle, WA 98109

Phone: +1 (206) 906-9922
https://avmbiotech.com/

BioViva Science

Seattle WA

Email: info@bioviva-science.com
https://bioviva-science.com

Blaze Bioscience, Inc.

530 Fairview Avenue North
Suite 1400
Seattle, WA 98109

Phone (206) 535-8144
Fax (206) 257-5924
Email: info@blazebioscience.com
https://www.blazebioscience.com

Bonum Therapeutics, Inc.

1616 Eastlake Avenue East
Suite 400
Seattle, WA 98102

Phone: 206.888.8485
Email: info@bonumtx.com
https://bonumtx.com

BrainChild Bio

1920 Terry Avenue, 10th Floor
Seattle, WA 98101

Email: contact@brainchildbio.com
https://brainchildbio.com

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