SEI: Leading Consulting Company in Chicago

Soaring high in the Windy City

Chicago businesses build strong foundations for lasting success. We help organizations harness data and technology to streamline operations, strengthen strategy, and drive growth. From the Loop to the suburbs, we bring local insight and national expertise to deliver results that matter.

About SEI

Turning insights into action

At SEI, we understand Chicago’s business DNA — the combination of industrial strength, financial sophistication, and entrepreneurial spirit that makes this city unique. Our consultants bring deep industry knowledge and practical solutions that help hometown companies compete globally while staying true to their Midwestern values of integrity and hard work.

Personalized strategy, tailored impact

Witness the success of SEI’s expertise, from replatforming initiatives to enterprise-scale migrations.

business days taken for the medical, legal, and regulatory review and approval process, a dramatic improvement from the previous timeline of over two months.

200%

growth in clients within an online community spanning eight countries, now serving over 200 clients.

200+

reports and visualizations produced within 10 months of a solution’s launch, produced by SEI consultants and employee power users.

Chicago’s economic edge

The Windy City is a great place to do business. Here’s why Chicago stands out.

$847b - Chicago’s average annual GRP, the third highest in the US.

3rd - most Fortune 500 companies of any city in the US.

22nd - best performing city economy worldwide.

Talk to Us

Interested in collaborating, or just want to learn more about SEI? Drop us a line! We'd love to hear from you.

Have a question about business consulting firms in Chicago?

What makes SEI different from other management consulting companies in Chicago?

We unite Chicago’s collaborative business culture with capabilities in AI & technology, change management, and beyond to accelerate transformation and deliver results that last. From manufacturing and finance to technology and healthcare, our team delivers solutions that work in the real world, not just on paper.

What industries do management consulting companies in Chicago typically serve?

Chicago’s economy is incredibly diverse, and so is our client base. We work with Fortune 500 financial services firms, manufacturing companies, healthcare organizations, technology startups, and professional services firms. Our expertise spans traditional Chicago industries and emerging sectors driving the city’s economic growth.

How do business consulting firms in Chicago help with operational efficiency?

Chicago businesses value efficiency and results. We help companies streamline operations, eliminate waste, optimize processes, and implement technologies that drive measurable improvements. Our approach focuses on sustainable changes that deliver both immediate cost savings and long-term competitive advantages.

Can you help Chicago companies expand beyond the Midwest?

We leverage Chicago’s strategic location and business advantages to help companies scale regionally, nationally, and internationally. Whether you’re expanding market reach, opening new locations, or entering global markets, we provide the strategic guidance and operational expertise needed for successful growth.

How we can help

Whether refining industry-specific processes or enhancing critical business functions, discover how SEI’s expertise can elevate your organization’s performance.

FUNCTIONS See All

Accounting Customer Service Human Resources Recruiting Technology

INDUSTRIES See All

Consumer Products Environmental Services Higher Education Professional Services Supply Chain