The 10 Best Electricians 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. Vedmore Electrical Solutions is a electrician in Cardiff, rated 5/5 from 49 Google reviews. Registered with Companies House (no. 15615945) and currently active. Verified Google Business Profile.

    5.0★ (49 reviews)3 verification sourcesoperator-verified listing
    5.0★
    49 reviews

  2. Electricall South Wales is a electrician in Cardiff, rated 4.9/5 from 220 Google reviews. Registered with Companies House (no. 12085289) and currently active. Established Google Business Profile with 220+ customer review

    4.9★ (220 reviews)3 verification sources
    4.9★
    220 reviews

  3. Lightwork Electrical is a electrician in Cardiff, rated 5/5 from 179 Google reviews. Registered with Companies House (no. 10019256) and currently active. Established Google Business Profile with 179+ customer reviews.

    5.0★ (179 reviews)3 verification sources
    5.0★
    179 reviews

  4. Assured Electrical Solutions is a electrician in Cardiff, rated 4.8/5 from 598 Google reviews. Registered with Companies House (no. 11754338) and currently active. Established Google Business Profile with 598+ customer r

    4.8★ (598 reviews)3 verification sources
    4.8★
    598 reviews

  5. 12 Electrical & Emergency Electrician is a electrician in Cardiff, rated 5/5 from 362 Google reviews. Registered with Companies House (no. 16330134) and currently active. Established Google Business Profile with 362+ cus

    5.0★ (362 reviews)3 verification sources
    5.0★
    362 reviews

  6. Heathwood Electrics is a electrician in Cardiff, rated 5/5 from 61 Google reviews. Registered with Companies House (no. 13559190) and currently active. Established Google Business Profile with 61+ customer reviews.

    5.0★ (61 reviews)3 verification sources
    5.0★
    61 reviews

  7. SP Electrical (South Wales) is a electrician in Cardiff, rated 4.9/5 from 64 Google reviews. Registered with Companies House (no. 13883364) and currently active. Established Google Business Profile with 64+ customer revi

    4.9★ (64 reviews)3 verification sources
    4.9★
    64 reviews

  8. NDL Electrical Limited is a electrician in Cardiff, rated 5/5 from 57 Google reviews. Registered with Companies House (no. 13956624) and currently active. Established Google Business Profile with 57+ customer reviews.

    5.0★ (57 reviews)3 verification sources
    5.0★
    57 reviews

  9. Sonik Electrical is a electrician in Cardiff, rated 4.8/5 from 44 Google reviews. Registered with Companies House (no. 07987709) and currently active. Verified Google Business Profile.

    4.8★ (44 reviews)3 verification sources
    4.8★
    44 reviews

  10. CAG Electrical Ltd is a electrician in Cardiff, rated 5/5 from 40 Google reviews. Registered with Companies House (no. 12992092) and currently active. Verified Google Business Profile.

    5.0★ (40 reviews)3 verification sources
    5.0★
    40 reviews

Want more options? See all electricians in Cardiff →