Northern Colorado Design Services

Transforming your space into your story. Let us help you craft a layered, inviting environment that feels like home.

Design board with fabric swatches, marble, wood, and other materials for interior decor.

Full Service Design

For larger scale remodels, additions, and new builds. From start to finish we take care of it all. 

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Minimalist interior decor with a wooden sideboard, two black candle holders with beige candles, a white vase with dried beige leaves, and a small black decorative item.

90 Minute Consultation

90 minutes of our time that can be used to pick our brains on ideas, choosing an exterior paint color, and could also be used as a jumping off point for a larger project, a way to get to know us by having us walk your house and give our thoughts.

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We know that every project is different so if you don’t see a service listed here that works for you, please fill out our contact form and describe what you are looking for and we will be in touch to discuss!

  • I loved working with Berta & Coelle to remodel our primary bedroom and bathroom. I couldn't be happier with the results! They took the time to understand our needs and preferences, blending our style with their creative ideas to create a space that feels inviting and beautiful while remaining VERY functional. The entire process was enjoyable, as they kept us informed along the way and were responsive when changes were necessary. I highly recommend Ona Design Studio for anyone looking to transform their space!

    -Lisa B.

  • We feel truly grateful that Berta and Coelle assisted us with our home remodel project. From the very beginning of the concept and design phase through the entire project management to completion they infused their expertise, passion and skill. It turned out even better than we could have wished for or expected! Both Berta and Coelle are good listeners and skilled designers. They respond to every inquiry and follow up to ensure everything and everyone is on track with their portion of the project. They take pride and ownership of a project as if it were their own home. They are truly invested in ensuring that the homeowner/customer is happy with the project at every phase. You can definitely trust these two with your next home design project!

    -Marie M.

  • Collaborating with Coelle and Berta on Wrenwell was an absolute pleasure. They transformed the inspiration from my vision board into something tangible and even more beautiful than I imagined—offering thoughtful options throughout and ensuring I felt part of the journey. Their meticulous attention to detail was evident in every decision, and the result is a space that feels both elevated and serene—the perfect expression of how I wanted this environment to feel.

    -Summer Luman