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%71+38.7Reliability 24%60+14.5Value 14%100+14.1Replies to reviews 7%62+4.4Craft & service penalty96−0.4Momentum penalty46−5.4Experts Score= 66Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.66SCOREA-1 Certified Environmental Services
San Francisco, CA · Grade BLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #76Position by Experts Score among all companies we track in this category. of 84 hazardous material removal · 4.8★ from 53 Google reviews
Report card
Percentile vs other hazardous material removal (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 craft & service; weakest: momentum.
Reviews for your job
Customers hired A-1 Certified Environmental Services for 2 kinds of job.
A-1 Certified Environmental Services for mold sampling
Clear ✕All 3 Google reviews tagged “Mold sampling”
I am purchasing a home and I wanted to get a mold test due to having lived in a home with mold in the past which turned into a nightmare. I called around to get some quotes and Carl from A-1 was not only extremely competitive in his pricing for testing but was able to come over right away. Carl went above and…
Rating only, no written review.
Rating only, no written review.
Price
Not enough reviews with a price yet.
Price verdictsGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.
Jobs customers hired them for
| Job | Reviews | Category typical |
|---|---|---|
| Mold sampling | 3 | — |
| Indoor allergen sampling | 2 | — |