AGENCY LIST

OEI Design

Wheaton, Illinois, United States
Visit oeidesign.com

UI/UX and graphic design for web and mobile platforms

OEI Design, led by David Oei, specializes in providing graphic design services with a focus on UI/UX for web and mobile platforms. With over 25 years of experience, the agency offers a range of services including print design, web design, and app design, catering to companies across various industries.

The agency is based in the Chicago area and is known for its expertise in HTML/CSS and front-end development. OEI Design's portfolio includes projects such as identity logos, brochures, websites, and annual reports, showcasing their ability to deliver creative and technical solutions.

David Oei's extensive experience includes roles such as UX Design Engineer and Art Director, contributing to his comprehensive understanding of design and user experience. His work with notable clients and projects highlights the agency's capability to handle diverse design challenges effectively.

33
YEARS IN BUSINESS
4
SERVICES

Capabilities

Category

Web Design

Services

What these services involve

Design Systems
Design Systems for web design buyers. Clear scope, measurable outcomes, and reliable delivery.
Information Architecture
Information Architecture for web design buyers. Clear scope, measurable outcomes, and reliable delivery.
Prototyping
Prototyping for web design buyers. Clear scope, measurable outcomes, and reliable delivery.
Website Design
Website Design for web design buyers. Clear scope, measurable outcomes, and reliable delivery.

Agency details

Team size
1-10 people
Founded
1993 (33 years)

About this agency on Agency List

OEI Design holds an Agency List Score of 74 out of 100.

That score is higher than 65% of the 36,919 agencies Agency List has assessed so far.

The Agency List Score measures how well an agency documents its work in public: named clients, quantified outcomes, and whether those outcomes are attributed to the agency rather than to the client.

It does not measure client satisfaction, price, or availability.

How the Agency List Score is measured

Assessment date

Agency List assessed OEI Design in September 2026, reading 3 pages published on oeidesign.com.

The score reflects what OEI Design had published by that date; anything published since has not been read.

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