Analyzing 9,108,2729.1M ReviewsFor 25,80125.8K Experts

Experts Reviews · Company report
Grandville Roofing and Siding logoHow 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.94SCORE

Grandville 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

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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 for storm & wind damage

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).4.50
Usually paidThe price range customers picked most often for this job.$15,000–20,000
Category typicalWhat the middle half of customers paid for this job across all companies in the category.$1.1k–$20k
Said fairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”.100%

All 2 Google reviews tagged “Roof repair for storm & wind damage”

Jack2 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. · 2 months ago★★★★★

I live in Coopersville Michigan and was in need of a new roof. Granville roofing and siding came highly recommended so I called and spoke with Aaron. From that first phone call to the very last visit on site Aaron amazed me with his professionalism, communication skills and abilities to relate personally. His crew…

Paid $15,000–20,000Great priceRoof repair for storm & wind damageRoof installation
Curtis1 reviewTotal 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. · a year ago★★★★

Prompt response, professional interactions, patient, quality product and work, left site in good condition, best price. used service twice in the last 12 months. Definitely recommend and will use service again when needed. Best experience in 35 years of overseeing multi building site.

Great priceRoof repair for storm & wind damage

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

JobReviewsCategory typical
Roof installation5$13k–$20k
Roof repair for storm & wind damage2$1.1k–$20k
Roof inspection2—
Roof repair2$927–$13k

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