Hydrogen

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Hydrogen 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.

Congratulations to our client, PCC Community Markets, on the opening of their 17th store in Madison Valley! We had so mu...
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. 🛒 🎉

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

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

Last week, our team headed to Denver for the annual E Source Forum! ⚡️ A few days spent connecting with utility leaders,...
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!

Our September roundup is here! 🍁 A busy team, time spent volunteering and celebrating 25 years of Hydrogen made this a m...
10/02/2026

Our September roundup is here! 🍁 A busy team, time spent volunteering and celebrating 25 years of Hydrogen made this a month to remember 🎉

10/01/2026

Project management, but make it This or That! We put our Jr Project Manager, Gretchen, on the spot to share how she likes to keep her projects moving forward.

Honk honk! It’s always a fun time with the Kenworth Truck Co. crew 🚚
09/30/2026

Honk honk! It’s always a fun time with the Kenworth Truck Co. crew 🚚

It was a busy week at Hydrogen! While some of our team was away in Denmark, the rest of our crew spent time volunteering...
09/23/2026

It was a busy week at Hydrogen! While some of our team was away in Denmark, the rest of our crew spent time volunteering with one of our favorite local organizations, Backpack.Brigade, which works to end child weekend hunger in King county. Thank you for having us! 🎒

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

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