Business Details
41 Years
experience
Your Trusted Interior Design Partner in Lisle, IL
Founded in 1985, our firm has spent four decades cultivating expertise in interior design and architectural services. We prioritize relationship-based partnerships, combining focused listening with technical precision to create spaces that balance emotional resonance with functionality. Our team of licensed professionals brings hands-on experience across 10 states, delivering tailored solutions for corporate, residential, and commercial projects. With a proven track record of repeat clients and industry recognition, we maintain rigorous quality standards while adapting to evolving design trends.Our multidisciplinary approach spans from initial space planning to final construction oversight, ensuring seamless execution of every project. Leadership remains actively involved in day-to-day operations, maintaining the high standards that have defined our reputation for nearly four decades. We combine technical expertise with creative vision to transform spaces into meaningful environments that reflect our clients' unique needs.
Services
Building Input
As-Built Conditions
Programming
Corporate Standards
Space Planning
Design Development
Furniture Acquisition
Design Visualization
Construction Documents
Contract Administration
Details
- Year established: 1985
Highlights and features
- We offer 40 years of experience in interior design and architecture
- Our team holds architectural licenses in 10 U.S. states
- We maintain hands-on involvement from leadership throughout every project
- We deliver tailored solutions within defined budget parameters
- We combine technical precision with creative design vision
Services
Space Planning
Our space planning service optimizes square footage utilization while meeting client requirements. We analyze workflow patterns and functional needs to create efficient layouts that enhance productivity and aesthetics. This foundational service ensures all subsequent design elements align with the client's operational goals.
Design Development
We produce multiple design schemes featuring material selections and architectural details tailored to client preferences. Our team develops cohesive visual concepts that balance creativity with practical implementation considerations. Each proposal includes finish material specifications and dimensional accuracy.
Construction Documents
Our architectural team creates sealed construction drawings for permitting and build-out. These detailed documents include dimensional specifications, material requirements, and compliance information to ensure accurate project execution. All documentation meets regulatory standards for construction approval.
Furniture Acquisition
We manage furniture specification review and procurement through installation completion. This service includes vendor bid evaluation, quality control checks, and coordination of delivery schedules. Our process ensures furniture selections align with design specifications and budget parameters.
Design Visualization
Our visualization service creates photorealistic 2D and 3D renderings to showcase design concepts. These visual tools help clients understand spatial relationships and material selections before implementation. The service includes multiple presentation formats for effective decision-making.
People
Timothy Lies
Chief Executive Officer
With 52 years in design and 40 at IDG, Tim founded the company in 1985. A Harrington Institute graduate, he remains actively involved in daily operations while maintaining technical expertise in automotive restoration.
Christine Lies
President
As co-founder and President since 1985, Christine focuses on client relationship management. Her approach combines business acumen with personalized service, evidenced by high client retention rates and homemade cookie deliveries.
Jessica Lies
Registered Architect
A licensed architect in multiple states, Jessica brings 16 years of industry experience. Educated at Illinois Institute of Technology, she contributes technical expertise while maintaining personal interests in automotive recreation.
Ryan Debari
Vice President
With 26 years in architecture, Ryan oversees senior projects. A University of Illinois graduate, he balances technical responsibilities with client engagement while maintaining active participation in sports and photography.
Terisia Wernett
Vice President
A registered interior designer with 30 years' experience, Terisia manages complex projects. Her dual expertise in design and coordination has made her a key resource for IDG's long-term clients since joining in 2005.
Questions
What services does The Interior Design Group offer?
We provide comprehensive services including space planning, design development, construction documentation, furniture procurement, and project management from concept to completion.
How long has the company been in business?
We've been serving clients since 1985, celebrating 40 years in business in 2025 with continuous leadership involvement throughout our history.
In which states are you licensed to work?
Our architectural licenses cover Florida, Georgia, Illinois, Indiana, Maryland, Michigan, Minnesota, Missouri, Texas, and Wisconsin with ongoing expansion.
How does your design process work?
We begin with client consultation to understand functional needs, followed by space planning, design development, and technical documentation for implementation.
Can you work within specific budget constraints?
Yes, our approach prioritizes budget parameters while maintaining design quality through strategic material selection and cost-effective implementation methods.
What makes your firm different from competitors?
Our relationship-based approach combines founder-level involvement with technical expertise across multiple licensed states, ensuring personalized service with broad capabilities.
