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Best electricians in Oconomowoc, WI

The highest-scoring electrician in and near Oconomowoc is Cardinal Heating, Cooling, Plumbing & Electric (score 80, 5.0 stars from 353 Google reviews). 4 companies meet the 5 Star standard within 25 km.

Last updated Sep 25, 2026How we rank
  1. 1

    Cardinal Heating, Cooling, Plumbing & Electric

    5.0 · 353 Google reviewsSussex, WI
    80SCORE
    (262) 316-3780 WebsiteFull profile
  2. 2

    Trusted Electric

    4.9 · 242 Google reviewsPewaukee, WI
    74SCORE
    (262) 229-7754 WebsiteFull profile
  3. 3

    Seider Heating, Plumbing & Electrical

    4.8 · 386 Google reviewsWaukesha, WI
    71SCORE
    (262) 436-0505 WebsiteFull profile
  4. 4

    3 Sons Electric

    4.9 · 83 Google reviewsPewaukee, WI
    62SCORE
    (262) 379-7667 WebsiteFull profile

We list only companies that clear our published bar, so this area is still filling in. As more electricians near Oconomowoc qualify, they'll appear here automatically.

Compare the top 4

Top electricians in Oconomowoc by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Cardinal Heating, Cooling, Plumbing & Electric805.0353–Sussex
2Trusted Electric744.9242–Pewaukee
3Seider Heating, Plumbing & Electrical714.8386–Waukesha
43 Sons Electric624.983–Pewaukee

Electricians in Oconomowoc: quick answers

Who is the highest-rated electrician in Oconomowoc, WI?

Cardinal Heating, Cooling, Plumbing & Electric has the highest 5 Star Score among electricians in and near Oconomowoc: 80 out of 100, with a 5.0 star Google rating from 353 reviews.

How many 5 Star electricians serve Oconomowoc?

4 electricians meet our standard within 25 km of Oconomowoc: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 4 have 1,064 Google reviews between them, averaging 4.90 stars.

How are these electricians ranked?

By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.

Electricians near Oconomowoc

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Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.