GSI Foundations
Market rank
#3 / 5
GSI Foundations provides foundation services in Milwaukee, WI. Use this page to review business details, compare ratings, and contact the company directly about your project.
Health scoreApr 25, 2026
38
out of 100
#3
Market rank
4.9
Avg rating
89
Total reviews
No public response signal
Response rate
Unknown
Years active
38
Health score
Health score · 38 / 100
Six signals, weighted continuously.
Operator computes a Health score continuously. It is the one number that tells you if this shop is winning, losing, or steady. Here is how GSI Foundations broke down on Apr 25, 2026.
Score trend
30d90d1y
GSI Foundations
90 days trailing
Market position
#3 of 5 Foundation in Milwaukee.
Operator ranks every foundation in Milwaukee continuously using reviews, response rate, and local market share.
#3
of 5 Foundation businesses
in Milwaukee
in Milwaukee
Leaderboard refreshes continuously. Your rank updates the moment signal lands.
Foundation · Milwaukee
Top 5 shown
1
Accurate Basement Repair
836
2
Basement Foundation Repair
101
3
GSI Foundations · this page
89
4
Renew Basement Foundation
85
Recent activity
What changed this month.
Holding a top 3 slot in Milwaukee Foundation
Market leaderboard refreshed this morning
In person
The shop, the team, the work.
The numbers tell one story. The photos tell another. Images are indexed from Google Business Profile, the public website, and connected social profiles.
Reviews · 89 total
What customers say.
Reviews pulled continuously from Google, Yelp, and Meta. Aggregate weighted by recency and source authority.
4.9★★★★★89 reviews
5 ★
46
4 ★
23
3 ★
11
2 ★
6
1 ★
3
Review themes refresh continuously. Check back once Operator has synthesized enough comments from GSI Foundations’s reviews.
About & contact
Where to find them.
About
GSI Foundations offers a wide range of foundation services in Milwaukee and surrounding areas, with a strong customer rating of 4.9/5 based on 89 reviews.
Phone
Website
Booking
Hours
Monday7:00 AM - 5:00 PM
Tuesday7:00 AM - 5:00 PM
Wednesday7:00 AM - 5:00 PM
Competitors · top 5
Side by side with the neighborhood.
The foundation shops GSI Foundationscompetes with most often, ranked by Operator’s health score. Tap any row for that shop’s full page.
#
Business
Rating
Reviews
Response
Score
1
Accurate Basement Repair
★4.9
836
No response signal
93
2
Basement Foundation Repair
★5.0
101
No response signal
80
3
GSI Foundations
★4.9
89
No response signal
38
FAQ
Quick answers.
The questions people ask before they call.
Contact GSI Foundations
Call (262) 236-6805 for service. The website gsifoundations.com also has direct contact info.
Hours for GSI Foundations
Hours are listed on this page under About and contact. Operator refreshes them continuously from public sources.
Services offered by GSI Foundations
GSI Foundations offers Foundation Repair, Crack Repair, Slab Stabilization, Waterproofing. Operator refreshes service lists continuously from public sources.
Licensing and insurance
License and insurance details have not been verified with GSI Foundations yet. Find the listing to add them.
Estimates and availability
Estimate and availability details are refreshing. Call ahead for the fastest confirmation.
Health score formula
Six weighted components: Reviews and rating (25%), Response rate (15%), Market rank (20%), Financial health (20%), Jobs flow (10%), and Operator activity (10%). Recomputed continuously using data from Google, Yelp, Meta, and direct integrations.
Local rank in Milwaukee
Operator ranks every foundation in Milwaukee continuously. GSI Foundations currently ranks #3 with a 4.9 rating across 89 reviews. Rankings refresh continuously from Google, Yelp, and Meta.
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