How we score electricians in Spartanburg, SC

The Spartanburg, SC Electrician Guide currently scores 40 electrician businesses serving the area, from panel upgrades and rewiring jobs to service calls and new construction. Every score comes from a fixed rubric applied the same way to each listing. Nothing here is pay to play, and nothing is hand-ranked after the fact. Below is exactly what goes into the number and where it falls short.

The five signals, heaviest weight first

Each business gets a composite score from 0 to 100, built from five measured signals:

• Sentiment, 28%. A synthesis of what recent reviews actually say, weighing praise against recurring complaints rather than just averaging stars.
• Rating, 26%. The business's aggregate Google star rating.
• Volume, 20%. How many reviews the business has, log-scaled so a business with 300 reviews doesn't automatically dwarf one with 40, but a business with 3 reviews still can't compete with either.
• Recency, 12%. How recently customers have actually left reviews, since an electrician who was great in 2019 may not be the same crew today.
• Completeness, 14%. Whether basic listing information is actually there: phone number, website, posted hours, and a real address.

Why sentiment carries the most weight

Star ratings alone hide a lot. Two electricians can both sit at 4.5 stars while telling very different stories underneath: one has scattered, unrelated gripes, the other has a repeated pattern of customers mentioning missed appointments, surprise charges, or callbacks that never got resolved. A single average can't distinguish the two, but reading what people actually wrote can. That's why we weight sentiment above the raw star number itself. It's the closest thing we have to catching a pattern before you hire someone to open up your panel or rewire a room.

Why the other signals matter for hiring an electrician

Rating still matters because it's the plainest signal of overall satisfaction and it's what most people check first. Volume matters because a 5.0 average built on four reviews is a different thing than a 4.7 built on two hundred, and log-scaling keeps a handful of glowing reviews from outranking a business with a long, proven track record. Recency matters because electrical companies change hands, hire new techs, or lose good ones, and a review from three years ago may not reflect who shows up at your door now. Completeness matters in a practical way too: an electrician you can't easily call, look up, or find hours for is friction you don't need when you've got a dead circuit or a failed inspection to deal with.

The honest limits

This system is only as good as the data behind it. A few things worth knowing:

• Businesses with few recent reviews don't get penalized silently. They get a low-confidence label, so you know the score rests on a thin base.
• We synthesize themes from reviews. We don't republish full review text, and we always link out to Google so you can read the original source yourself.
• Scores are generated from this rubric and this data only. They are never edited by hand after the fact.
• Paid placement, where it exists anywhere on this site, is always labelled clearly and never affects the score itself.
• Any list where picks or order involved editorial judgment discloses that plainly on the page itself, separate from the composite score.

Editorial oversight of the rankings belongs to Amara Okafor, Editorial Lead, who maintains the rubric and reviews how it's applied across the Spartanburg market. If you want to see the rubric in action, check our best residential electricians in Spartanburg list, or head back to the Spartanburg, SC Electrician Guide home page to browse all 40 businesses.