Guilder Opened in April 2017 by Caryn & Mike Nelson along with partners Toby Roberts and Carrie Lind.

The first location opened in the alameda-irvington neighborhood of northeast Portland. They then opened Guilder cafe inside Powell’s city of books in November 2021. They then opened a cafe under roasting brand, Junior’s Roasted Coffee, in 2023. It is co-located with Upright brewing’s taproom in the Cully neighborhood.

In 2023 they group decided it was time to hand the business to new owners. In APril 2024 Ryan Willbur & Laila Ghambari took over ownership of Guilder Cafe & Juniors Roasted Coffee.