Top Rated Solar Contractors Serving Williamson County, TX

Last Updated May 15, 2026

634 Review Ratings and 2 Solar Companies Evaluated.

These companies have passed our Preliminary 5-step rating process.

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Passing Companies

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Each listed company below has passed our 5-step Preliminary rating process but has not yet completed and our Diamond Certified Rating Process.

Greenstar Power

Greenstar Power offers a comprehensive range of services, including roofing (cedar shake, metal shingles, residential roofing, roof coatings, roof inspections), residential solar (solar PV, EV chargers, batteries, generators, service upgrades, and solar maintenance) to clients in the Austin area, including Hays, Travis and Williamson Counties. The company is dedicated to providing energy-efficient solutions and quality craftsmanship to enhance both residential and commercial properties.

Services

Roofing including cedar shake, metal shingles, residential roofing, roof coatings, roof inspection, residential solar, solar pv, ev chargers, batteries, generators, service upgrades and solar maintenance.

Coverage Areas

The Austin Area, including Hays County, Travis County and Williamson County—key cities including Austin, San Antonio, Round Rock, Granger, Thrall, Florence, Bartlett, Taylor, Jarrell and Schwertner.

company logo
Regina Bauman
President
location
  • 1000 Gattis School Rd
  • Round Rock, TX 78664

SoCore Energy, LLC

Solar Service provides a variety of solar services for residential and commercial clients throughout the Austin area. The company’s technicians are qualified to work on all types of solar projects, and they prioritize energy efficiency and competitive pricing on every job.

Services

Solar Services

Coverage Areas

Austin Area, San Antonio Area, Dallas / Ft. Worth Area

company logo
Brian R.
Owner
location
  • 1801 East 51st Street STE 365 #250
  • Austin, TX 78723

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.

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Rating Step 2 = License

Verified active and in good standing (when required).

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State license bureau data is accessed and analyzed.

Rating Step 3 = Background

Satisfactory status.

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Internet searches were performed seeking disqualifying information on each company.

Rating Step 4 = Complaints

Satisfactory status.

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Rating Step 5 = Specialist

Satisfactory status.

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