What are the opening hours?

Monday 9am - 5pm Tuesday 9am - 5pm Wednesday 9am - 5pm Thursday 9am - 5pm Friday 9am - 5pm

Hydrogen

Name: Hydrogen
Address: 255 S. King Street #800, Seattle, WA, 98104, US
Telephone: +12063899500

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Cited as one of Washington's Best Workplaces by PSBJ four years in a row.

Hydrogen, a full-service advertising agency, is named after the simplest element in the universe. By harnessing the power of simplicity, our ideas are designed to leave an unforgettable impression on an audience as well as a company's bottom line. Local, regional and international clients include Heritage Bank, Accoya, 365 by Whole Foods Market, Keysight Technologies, Kohler, The Polyclinic, Kenworth Truck Company, Icynene and Windermere Real Estate.

10/29/2026

Hydrogen’s mid-fall check-in! You didn’t hear it from us, but its our favorite season 🤫🍂

10/27/2026

A season of growth! 🤩 We’ve been recognized as #32 by Puget Sound Business Journal in their top 100 fastest growing businesses ranking!

Go Hydrogen (& go Hawks!) 📣

10/26/2026

Building towers and stronger teams! A little creativity, collaboration, and a whole lot of marshmallows. 🤝

10/22/2026

The Best Authentic Vietnamese Cafe is an agency favorite! We love supporting this gem in Pioneer Square.

10/20/2026

Congratulations to our client, PCC Community Markets, on the opening of their 17th store in Madison Valley! We had so much fun celebrating at their grand opening last week. 🛒 🎉

10/16/2026

A big congratulations to Tim on his well-deserved promotion to Creative Director! 🎉👏

10/15/2026

This or That with the one who knows social best. 📱 Meet Claire, our social media manager!

10/14/2026

A day full of soaking up fresh ideas and creative inspiration at the Seattle Interactive Conference conference!

10/08/2026

Hydrogen is the simplest element in the universe.
Simplicity is kind of our thing. Happy Hydrogen Day!

10/06/2026

Last week, our team headed to Denver for the annual E Source Forum! ⚡️ A few days spent connecting with utility leaders, digging into industry insights, and bringing
home plenty of fresh ideas. Thanks for having us, E Source!

Address

255 S. King Street #800
Seattle, WA
98104

Opening Hours

Monday	9am - 5pm
Tuesday	9am - 5pm
Wednesday	9am - 5pm
Thursday	9am - 5pm
Friday	9am - 5pm

Telephone

+12063899500

Website

https://hydrogenadvertising.com/, https://linktr.ee/hydrogenadvertising

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