Top Rated Windows Contractors Serving Washington County, WI
Last Updated May 15, 2026
1930 Review Ratings and 3 Windows Companies Evaluated.
These companies have passed our Preliminary 5-step rating process.
Big Fish Contracting LLC
Big Fish Contracting offers window services to homeowners and business owners in the Greater Milwaukee area. The company is known for its ability to work on everything from bay windows and energy-efficient windows to window seal repairs and window awnings, and it has earned a positive reputation by consistently delivering high-quality service on every project.
Services
Windows Contractors including window pane replacement, window installation, window awnings, replacement windows, roofing, siding, exterior renovation, remodeling & additions, windows, gutters, decks and outdoor.
Coverage Areas
The Milwaukee Area, including Washington County—key cities including Allenton, Jackson, Colgate, Richfield, Hartford, Hubertus, Slinger, Germantown, Kewaskum and Newburg.
- 6102 County Rd Q
- Colgate, WI 53017
Denco Windows Inc.
Denco Windows Inc. provides window services for residential and commercial clients in the Greater Milwaukee area. The company has the training and equipment to work on all types of window projects, each of which is backed by superior craftsmanship and a company-wide dedication to quality.
Services
Windows Contractors including replacement windows, window installation, window awnings and window pane replacement.
Coverage Areas
The Milwaukee Area, including Washington County—key cities including Newburg, Germantown, Colgate, Jackson, Slinger, Richfield, Hartford, Kewaskum, Allenton and Hubertus.
- PO Box 221
- Germantown, WI 53022
These companies have earned our Pre-Qualified Rating. Learn more about our 5-step process.
Rating Step 1 = Stars
Meet or exceed a
ONE AllRatings star score of 4.5.
Indicates the final super-composite calculation of all reviews scores from all sources, optimized for accuracy and recency.
Read ONE AllRatings methodologyRating Step 2 = License
Verified active and in good standing (when required).
State license bureau data is accessed and analyzed.
Rating Step 3 = Background
Satisfactory status.
Internet searches were performed seeking disqualifying information on each company.
Rating Step 4 = Complaints
Satisfactory status.
Complaint bureau records have been searched seeking disqualifying information on each company.
Search Better Business BureauRating Step 5 = Specialist
Satisfactory status.
Our research specialist verifies all ratings steps have been passed and creates a final report and profile.
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