Shannon Harrigan

Shannon Harrigan

Sewart Group | RealtorĀ®

Specialties

Negotiating, Selling Homes, Buying Homes, Business Planning, Business Management




Client Testimonials

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"Can't say enough about Shannon....organized, prompt, personable a pleasure to work with"

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"This is our third time using Shannon, we wouldn't use any one else!!"

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"I would highly recommend Shannon. She let us know what we needed way in advance and was just an overall pleasure to work with. We will recommend her to friends, family and acquaintances in the future"


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About Shannon

Shannon Harrigan brings over 30 years of experience and expertise to her role as Chief Operating Officer of Sewart Group, Compass Wisconsin. Known for her passion for operational excellence and strategic leadership, Shannon has been instrumental in driving the Sewart Group’s growth, innovation, and success across the Milwaukee real estate market.

Throughout her career, she has streamlined systems, optimized resources, and strengthened Sewart Group’s client-first approach. Her deep understanding of real estate operations ensures a seamless experience for both clients and agents, from first connection to closing.

A visionary leader and mentor, Shannon empowers her team through collaboration, accountability, and continuous improvement—cultivating a high-performing culture that thrives in an ever-changing market.

Outside the office, Shannon enjoys spending time with family, friends, and her animals. You’ll often find her exploring Milwaukee’s local dining scene or hiking with her dog at her favorite Wisconsin parks.