About Us

Our Mission

“We are committed to being a leader in the commercial interior design industry by using our shared expertise and hands-on approach to provide exceptional client service and design.”

30 Year Logo

Our History

Chief Executive Officer, Timothy R. Lies, founded THE INTERIOR DESIGN GROUP LTD.

In 1985 with a vision to provide unparalleled service. From its origination, the firm has grown from a one-man shop to a team of dedicated professionals. IDG is respected as one of the most capable and no-nonsense interior architectural firms in the Chicagoland area.

Our Team

“Working together, directing individual talents toward one goal, allows ordinary people to achieve extraordinary results.”
– Timothy R. Lies, Chief Executive Officer of IDG

Find out more about IDG’s talented staff who are passionate about their work…and while you are at it, learn some fun facts too! Click here.

Our Facility

In 2018, We decided it was time to relocate and revamp our office!

We focused on creating a space that encourages our hands-on, team approach. We succeeded by giving ourselves an open floor plan, complete with large teaming areas and small collaborative spaces. This, combined with a dynamic design comprised of high contrasting finishes, open ceilings and strong color accents, personifies our approach to creativity.


Click here and take a look!