Four women standing together and talking outside a house under construction. The house has stone walls and a partially finished entryway.

Taking on a new home build or major renovation is a big freaking deal.

After all, it may be one of the largest investments you’ll ever make. (Eek!) That’s why when you’re relying on others to create your most personal, beloved space, you need an interior design team that gets it (and gets you).

At LL Design Co, we care about our clients like we would our closest friends. We’re all about transparency, trust, and having a healthy sense of humor. A major home design project often lasts at least 9 months, so finding a partner you can cheers to the wins with and comfortably talk through challenges over a glass of wine is a must in our book.

Interior bedroom with wooden wall paneling, a black-framed window showing trees and houses outside, a bedside table with a marble front, a white table lamp, a bed with white linens, and a large potted plant.
A woman with long brown hair, wearing a white embroidered blouse and blue jeans, smiling while standing in a room with wooden cabinets and decor.

About LL Design Co

We’re not decorators, we’re designers with a wealth of industry expertise and deep construction knowledge. From the initial scope call to the final furniture install, we guide you through our process to ensure you’re comfortable and informed every step of the way. 

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Our Values

Modern bathroom with black cabinetry, marble countertop, small sink, a flower vase, large mirror, black pendant lights, beige tiled wall, and white toilet.

Teamwork makes the dream (home) work

The importance of a tight-knit relationship between builders and designers can’t be overstated, so we make it a priority to collaborate closely with all your project’s players.

A built-in bench with a tan leather cushion, three decorative pillows, dark green wood paneling with hooks holding a straw handbag and a sun hat, a shelf with woven baskets, and a wall with whale-patterned wallpaper.

Good Vibes Only

We’re down-to-earth and unpretentious, because design should be chic, not snooty.

Modern kitchen with white brick backsplash, stainless steel stove with red knobs, a gray countertop, black and wood cutting boards, a sink with a brass faucet, and a wall shelf with a plant.

Honesty is the best policy

We’re always transparent and communicative—it’s the best way to build trust and achieve success.

A modern living room with beige and white sofas, a black round coffee table, a textured rug, a grey marble wall with a landscape painting, black wall shelves with decorative items, and a colorful abstract art piece, with a doorway leading to another upholstered area.

Keep the Is dotted and Ts crossed

Our airtight process and deliverables paired with on-site collaboration ensures the whole team’s on the same page.

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How it all Began

Sisters Lisa Rossman and Lena Campbell have always shared similar passions and been each other's biggest cheerleaders, despite their age gap. Not until after high school did Lisa realize she wasn’t the first in the family to pursue a career in interior design. It turns out Lena had studied design, too, and worked in the industry before starting a family. So in 2017 when Lisa decided to leave the corporate world and launch her own boutique firm, she leaned on her sister for advice, and ultimately, asked Lena to be her business partner. The rest is history.

As for the company name? It’s a little tribute to their dad, who had a particular affinity for the look and sound of double Ls. (Before they both were born, he’d insisted they have first and middle names starting with the letter), and so, LL Design Co. was born.

A woman standing in an open doorway of a modern house, wearing a floral maxi dress and a straw hat, smiling at the camera.

California & Tennessee

Meet Lisa

After 10 years of sharpening my design skills at major firms in Downtown Chicago and Southern California, and immersing myself in every corner of the industry, I bet on myself, took a terrifying leap to start my own boutique firm from scratch, and haven’t looked back. From helping dozens of amazing families design their forever homes to building close-knit relationships with the best builders, architects, and creators in town, I’m constantly inspired and motivated by the communities that surround me.

Now, as LL Design expands the brand into Tennessee, I’ve fallen in love with the warmth of its people and the sense of peace this next chapter brings. The slower pace, the rolling hills, and the creative spirit here have reignited my passion for thoughtful, soulful design.

When I’m not with clients or on site visits, you can catch me finding the best neighborhood coffee spot with my goldendoodle, Ellie, capturing beautiful moments in black and white with my DSLR, or planning the next trip to my ultimate happy place — Italy.

xx Lisa

Meet The Dream Team

A woman in a sleeveless white button-up top and white shorts, wearing a black belt, standing near a table with her left hand resting on it. She has long brown hair and is smiling, with a light-colored abstract painting in the background.

Danielle Colacino

Lead Designer

A woman with long blonde hair and blue eyes smiling, wearing a sleeveless beige dress with black buttons, standing in a room with a neutral-colored wall and a large abstract painting in the background.

tanya beliakoff

Designer

A young woman with long, wavy blonde hair, wearing a sleeveless blue top and layered necklaces, smiling.

Brooklyn Bergmann

Jr. Designer

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Arizona

Meet Lena

Lena, a seasoned design professional with nearly 20+ years of experience in Arizona, excels in overseeing all aspects of a project, from material selection to execution, Lena consistently delivers stunning transformations that enhance both aesthetics and functionality, irregardless of the client’s budget. With respect for the Valley’s rich architectural history, Lena strives to approach each project with an attention to exceptional craftsmanship, while creating a home that works for the modern times.

Modern bathroom with a black and blue geometric patterned tile wall, a white sink with gold fixtures, a wooden vanity, a large mirror, and a toilet. Decor includes a beige vase with branches, a soap dispenser, and towels on a shelf.
A bedroom with a beige bed, black and beige pillows, a nightstand with a lamp, and a white wall with a light switch. In the foreground, there is a small wooden stool with a glass vase of flowers and a candle, beige slippers on the tiled floor, and a towel hanging on golden hooks on the white wall.

Ready to connect?

If you’re ready to take the next step towards your dream home, fill out our inquiry form to tell us about your project. We’re excited to hear from you and will get back to you soon!

Inquire Now