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 59%93+54.6Reliability 26%95+24.8Value 15%100+15.2Craft & service penalty97−0.3Experts Score= 94Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.94SCOREGrandville Roofing and Siding
Grandville, MI · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #6Position by Experts Score among all companies we track in this category. of 18 insulation contractors · 5.0★ from 22 Google reviews
Report card
Percentile vs other insulation contractors (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: value and momentum; weakest: satisfaction.
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.Grandville Roofing and Siding is better than 93% of insulation contractors.A
93
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.Grandville Roofing and Siding is better than 95% of insulation contractors.A
95
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.Grandville Roofing and Siding is better than 97% of insulation contractors.A
97
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.Grandville Roofing and Siding is better than 100% of insulation contractors.A
100
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.Grandville Roofing and Siding is better than 100% of insulation contractors.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.Grandville Roofing and Siding is better than —% of insulation contractors.–
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Reviews for your job
Customers hired Grandville Roofing and Siding for 4 kinds of job.
Grandville Roofing and Siding for roof repair
Clear ✕Jobs reviewedHow many Google reviews are tagged with this job.2
★ on this jobAverage stars on the reviews where the customer tagged this exact job (Google’s “Services” field).5.00
Usually paidThe price range customers picked most often for this job.—
Category typicalWhat the middle half of customers paid for this job across all companies in the category.$927–$13k
All 2 Google reviews tagged “Roof repair”
Jim11 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★★★★★
Aaron's professionalism, attention to detail, and "care for the customer" are exemplary. His team did a great job in all aspects: old roof removal, quality implementation of the new shingles, and spotless cleanup. Two thumbs up.
Gutter cleaningRoof inspectionRoof installation
Mike3 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★★★★★
They did an amazing job on installing our new siding.
Gutter installationRoof repairService not listed+ Responsiveness+ Quality+ Professionalism
Price
$17k+18% vs typical insulation contractors
Bar = middle half of what customers paid · gold mark = category median.
Price verdictsGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.
Great price 100%Reasonable 0%Overpriced 0%Not sure 0%
Jobs customers hired them for
| Job | Reviews | Category typical |
|---|---|---|
| Roof installation | 5 | $13k–$20k |
| Roof repair for storm & wind damage | 2 | $1.1k–$20k |
| Roof inspection | 2 | — |
| Roof repair | 2 | $927–$13k |
