About Lilly Design Group

LDG is a full-service interior design boutique located in the heart of Frisco, one of the fastest growing cities in America. Lilly Design Group, Inc. was established in 2001 by Principal Designer Tammy Lilly, registered in the State of Texas after passing the NCIDQ exam. LDG is a company that offers a list of portfolio services representing work with various projects of all sizes for commercial and high-end residential clients. Our portfolio spans a list of projects from Dallas, Fort Worth, McKinney, Beaumont, San Marcos, and all throughout North Texas.

Whether collaborating with homeowners, builders, realtors or investors to create a design plan that works, we focus on relationships. Each design project should reflect the individuality of the client while being functional and practical. Our company offers a powerful network of professionals ready to assist our team as we provide exceptional customer service on any project. We bring a unique list of furniture, lighting, rugs, fabrics, wallpaper, art & accessories to the table as we journey the project with our client.

Our work represents 15 + years of collaborating with experienced professionals in architecture, design, construction, leadership and fine arts. Forming trust that allows us to return time and time again to continue the work we started. Please allow us the opportunity to make your dreams become a reality. If you are serious about hiring a design firm to take your project to the next level and are not quite sure what you need to get started. Contact us and we will help guide you as we are fully equipped to serve you and know what service is best for you! We aim to deliver Peace of Mind and knowledge to see the project through. It will be our pleasure to serve you! A good referral is the best reward for what we do!

Meet The Group

Tammy Lilly

Owner, Designer

North Texas based interior designer Tammy Lilly started her company over fifteen years ago. She proved herself a leader by being granted a scholarship to run track for the University of North Texas. Following her passion for interior design she went on to graduate from North Texas, one of the top interior design schools in the nation. Her portfolio landed her a job right out of college to work for Stauffelbach and Interior Architects. Tammy’s drive and determination led to her becoming NCIDQ certified and registered as an interior designer in the state of Texas. She lives in North Texas with her husband and three children and continues to grow her business.

With a portfolio spanning small residential projects up to a 27,000 sq. ft. commercial space, her attention to detail, keen eye for color, and spatial sense keep her clients returning project after project. Whether it be working with the client, the manufacturer, the contractor, or the salesperson, she knows how to convey the client’s vision to all parties, finishing projects on time and under budget.

Fallyn McDougal

Junior Designer

Fallyn is currently attending The University of Alabama studying to graduate with a Bachelor of Science in Interior Design. She recently won the Presidential Academic Achievement Award from the Human Environmental Sciences College. She is originally from Frisco, Texas. As a Junior Designer for LDG she will be selecting interior finishes, furniture, lighting and accessories for our design clients as well as creating CAD renderings and SketchUp models. Prior to working for Lilly Design Group, she worked at AFI, Advanced Fixtures Inc. in Farmersville, Texas, where she gained an understanding of designing custom fixtures for large commercial businesses.

Kim Heavner

Design Assistant

Kim Heavner, assistant designer, lives in Frisco and when she’s not working on projects she can be found enjoying her newly renovated lake house on Lake Cypress Springs. Kim has a natural eye for all things design. Her leadership and organizational skills are exceptional along with an attention to detail that helps bring projects full circle on installation day.

Tom Bates

Web Marketing Expert

As the Technology Director of LDG, Tom Bates brings both Webmaster expertise and team development to the group. Serving international clients for more than a decade in web development and software design, Mr. Bates brings both state of the art technology and team development to best serve the growing needs of LDG.

Cheryl Hieatt


Cheryl has been working with Lilly Design Group, Inc. since 2011. Cheryl’s role within the company is the Financial Administrator which provides bookkeeping and financial services for all things LDG. Cheryl has over 20 years of experience with an emphasis on financial planning, budgets, payable and receivable accounts, cash/bank reconciliation, payroll, sales, and franchise tax reporting.