About Us


If you can dream it, we can design it. There is no vision too big, too crazy, or too wild for us to curate. Our design team is fully equipped to handle every aspect of your project starting with planning and ending with completion.

Owner | Lead Designer
Becky Allsup

Becky Allsup

Owner // Lead Designer

Becky Allsup

As CEO of Rebecca Windsor and Associates, Becky Allsup is a visionary in interior design and procurement, specializing in large-scale projects for fitness clubs, multi-family residences, senior living facilities, and hotels. With roots in Texas and an upbringing in Europe, Becky’s unique perspective was shaped by diverse architectural styles, instilling in her a love for transitional and modern designs characterized by clean lines and elegance. Her approach skillfully blends client vision with practical functionality, ensuring each space reflects a harmonious balance between aesthetic appeal and everyday utility.

Becky’s expertise extends beyond design to procurement and Furnishings, Fixtures & Equipment (FF&E), making her a trusted authority in outfitting spaces that are not only visually stunning but also optimally equipped. Under her leadership, Rebecca Windsor and Associates have become synonymous with excellence in both design and material selection, showcasing Becky’s commitment to creating spaces that resonate deeply with her clients’ needs and aspirations.

Lead Designer

Sara Ballenski

Sara is a Colorado native with a strong wanderlust and craving for adventure. She is a watercolor artist in her free time and has her nose in a book when she’s not working on her latest knitting project and bingeing on her favorite TV shows.

Over the past 10 years, Sara, has set herself apart by incorporating countless resources into her designs enabling her clients to enjoy a variety of interior design services with diversity in both scope and budget. Having a wealth of experience and knowledge gained by her travels domestic and international, she brings fresh insight and talents to Niche Designhouse. She is eager to help you find and bring to fruition your dream space that you love for years to come.

Her meticulous attention to detail is prevalent in both her personal and professional life. Nothing brings her more satisfaction than a successful execution of a well planned design.

Sara Ballenski

Sara Ballenski

Berta Beake

Hailing from Barcelona Spain, Berta started her career with a bachelor’s degree in Hotel Management from the University of Barcelona before moving to the US 20 years ago. She has since grown her family from 2 to 5 and followed her passion into the interior design field starting with getting an associates degree in Interior Design from Front Range College and joining the Northern Colorado design community in 2020.

When not absorbed in guiding her children’s growth and wonder in the universe through fostering healthy imagination, Berta loves traveling and drawing. Berta is fluent in four languages: English, Spanish, Catalan and French. Curious and creative by nature, Berta enjoys residential design because of the opportunities to make a home reflect its owner’s diverse and unique style using her eye for sophisticated and easy elegance in design.

Let Berta bring an infectious enthusiasm to your interior project with her attention to detail, incorporation of cutting-edge trends and ability to tailor a design to meet your specific needs and style!

Berta Beake

Berta Beake


Cheryl Nelson
Project Manager of Capital Expenditures & Multi-Family
Mar Swanson
Executive Assistant to the CEO
Yazmin Snyder
Project Manager- Furniture
Cassie Woodbury
Project Manager- Window Coverings
Julie Tropsa
Project Manager - Accessories
Karen Adams
Brad Whiteside
DrapeHaus Manager


"A satisfiEd customer is the best business strategy of all"

Rebecca Windsor & Associates, an esteemed procurement and FF&E firm, is dedicated to providing a 1st class approach to enhancing commercial interior spaces. Our reputation is built on our ability to craft visually stunning, harmonious, and stylish interiors tailored for the unique demands of commercial environments.

With projects that carry us all over the U.S. and even internationally, we’ve learned to design with a customized approach, resulting in a well-executed and gorgeous final product. This honest approach ensures the process is enjoyable for all parties. We believe in transparency, education, and open communication with our clients.

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