The 7 Best Solar Panel Installers in Cardiff 2026

Ranked by real customer reviews, listing activity and Companies House verification. Updated weekly from public sources.

How this ranking is calculated

Composite score from real, publicly-verifiable signals only:

  • Google Business Profile star rating (when 3+ reviews)
  • Google Business Profile review count (log-scaled)
  • Verification sources: Companies House number, Google Business listing, Checkatrade, TrustATrader, claimed website
  • Operator-claimed listing status

No paid placement. No accepted listings. No fabricated reviews. Source data refreshed weekly.

  1. Green Energy Solar is a solar installer in Cardiff, rated 4.9/5 from 221 Google reviews. Established Google Business Profile with 221+ customer reviews.

    4.9★ (221 reviews)3 verification sources
    4.9★
    221 reviews

  2. SolarTech is a solar installer in Cardiff, rated 5/5 from 13 Google reviews. Verified Google Business Profile.

    5.0★ (13 reviews)3 verification sources
    5.0★
    13 reviews

  3. Urban Solar Limited is a solar installer in Cardiff, rated 5/5 from 5 Google reviews. Registered with Companies House (no. 07549222) and currently active.

    5.0★ (5 reviews)3 verification sources
    5.0★
    5 reviews

  4. SolarCentric Renewables Ltd is a solar installer in Cardiff, Wales. Registered with Companies House (no. 12425049) and currently active.

    3 verification sources

  5. WEG Solar is a solar installer in Cardiff, Wales. Registered with Companies House (no. 15896202) and currently active.

    3 verification sources
  6. Companies House registered
  7. Companies House registered

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