Experts Reviews · Company report
How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%91+49.6Reliability 24%91+22.1Value 14%93+13.2Replies to reviews 7%58+4.1Experts Score= 89Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.89SCOREPrime Shiners Mobile Auto Detailing
Fairfield, CA · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #86Position by Experts Score among all companies we track in this category. of 100 car detailing services · 4.9★ from 169 Google reviews
Report card
Percentile vs other car detailing services (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: craft & service and momentum; weakest: replies to reviews.
SatisfactionSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Prime Shiners Mobile Auto Detailing is better than 91% of car detailing services.A
91
ReliabilityReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Prime Shiners Mobile Auto Detailing is better than 91% of car detailing services.A
91
Craft & serviceCraft & service · 0% of the scoreGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Prime Shiners Mobile Auto Detailing is better than 100% of car detailing services.A
100
ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Prime Shiners Mobile Auto Detailing is better than 93% of car detailing services.A
93
MomentumMomentum · 0% of the scorePenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Prime Shiners Mobile Auto Detailing is better than 100% of car detailing services.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.Prime Shiners Mobile Auto Detailing is better than 58% of car detailing services.C
58
Reviews for your job
Customers hired Prime Shiners Mobile Auto Detailing for 8 kinds of job.
Prime Shiners Mobile Auto Detailing for clay bar treatment
Clear ✕Jobs reviewedHow many Google reviews are tagged with this job.5
★ on this jobAverage stars on the reviews where the customer tagged this exact job (Google’s “Services” field).4.60
Usually paidThe price range customers picked most often for this job.—
Rank for this jobPosition of this company in the Job match ranking for this job among the companies we track.Its Job match: 67/100.How Job match is calculatedBuilt only from reviews Google tagged “Clay bar treatment”:Stars on this job 55%Number of such jobs 25%Overall Experts Score 20%Stars are pulled toward the category average when a company has few tagged jobs, so 3 perfect reviews don’t beat 80 great ones. 4.3★ scores 0, 5.0★ scores full. Volume is compared with the busiest company for this job.#39 / 40
All 5 Google reviews tagged “Clay bar treatment”
Ketsana5 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 years ago★★★★★
Have been using Prime Shiners for over a year now, and nothing but great things. They never try to upsell anything unnecessary. They're good communicators and efficient. Car always ends up looking great!
Auto detailingCar waxingClay bar treatment
GabeLocal Guide · 41 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 years ago★★★★★
First time getting my car waxed, and Prime Shiners made it super easy and smooth to do.
Car waxingClay bar treatment
Michèle2 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 4 years ago★★★★★
Friendly, efficient, communicative, and the car looks amazing!
Auto detailingCar waxingClay bar treatment
ALocal Guide · 36 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 3 years ago★★★
Rating only, no written review.
Auto detailingCar waxingClay bar treatment
Adriana4 years ago★★★★★
Rating only, no written review.
Auto detailingCar waxingClay bar treatment
Price
Not enough reviews with a price yet.
Price verdictsGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.
Great price 0%Reasonable 0%Overpriced 0%Not sure 0%
Jobs customers hired them for
| Job | Reviews | Category typical |
|---|---|---|
| Auto detailing | 19 | — |
| Auto interior vacuuming | 13 | — |
| Seat shampooing | 11 | — |
| Full body wash | 9 | — |
| Interior scenting | 7 | — |
| Car waxing | 6 | — |
| Clay bar treatment | 5 | — |
| Wheel washing | 5 | — |
