The Best General Contractors

Find the right company for your job

Pick the job — we re-rank companies by how customers rated that exact job.

1ACS Group Inc - General contractor★ 5.00 on this job5 jobs reviewediHow Job match is calculatedBuilt only from reviews Google tagged “New building construction”:Stars on this job 55%5.00★Number of such jobs 25%5Overall Experts Score 20%89Job match= 92Stars are pulled toward the category average (4.88★) 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.92

Job match = this company’s ★ on reviews Google tagged “New building construction” (shrunk toward the category average when there are few), how many such jobs it has done, and its overall Experts Score.

What customers said about new building construction

Andrea4 reviewsiTotal 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★★★★★

ACS Group Inc - General contractor

I have worked with this construction team for years. They consistently exceed my expectations. They go above and beyond, paying close attention to detail, while being professional and efficient. I am a perfectionist and their quality of work and commitment to making my vision a reality is unparalleled. I highly… Read full review

Great priceConstruction managementGeneral constructionTile work installation

Schwanz1 reviewiTotal 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. · 9 months ago★★★★★

ACS Group Inc - General contractor

A company focused on solving problems creatively with an emphasis on quality and excellence. Highly recommended.

Reasonable priceGeneral constructionHome renovationsNew home construction

BarryLocal Guide · 24 reviewsiTotal 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. · Edited a year ago★★★★★

ACS Group Inc - General contractor

From start to finish, I can’t speak highly enough of this company. They helped me build The Ford Tavern in Medford and feel free to go in and view their work. Wonderful people to deal with. They do what they say and they do it when they say they’re gonna do it - a rare thing, right? If you get a chance to work with… Read full review

General constructionNew building constructionDeck construction+ Responsiveness+ Punctuality+ Quality

Mauricio9 reviewsiTotal 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★★★★★

ACS Group Inc - General contractor

Professional and Trustworthy in every aspect since the very beginning of our project. It was real pleasure to work with ACS. I think anyone that hires them will be luck to have the best in quality in responsiveness in honesty and integrity.

New building construction+ Responsiveness+ Punctuality+ Quality

Danuza8 reviewsiTotal 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★★★★★

ACS Group Inc - General contractor

ACS os simply the best construction company I ever encounter in the last 30 years doing construction projects. They have done multiple jobs for my family and they have been professional, organized, ethical and caring. They have two phenomenal leaders (Dauro & Mucio) who go above and beyond to make sure everything… Read full review

General building constructionNew building construction+ Responsiveness+ Punctuality+ Quality

Overall ratings

Experts Score 0–100iExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of general contractors).

#	Company	ScoreiExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown.	FactorsiFactor grades, in orderSatisfaction (54%): Recency-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.Reliability (24%): How 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.Craft & service (0%): Google 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.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises 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.Replies to reviews (7%): How 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.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20.	★iGoogle star rating as shown on Google Maps.	Typical billiMedian bill customers of this company reported in their reviews (needs 3+ priced reviews).
1	AJH Construction MaBoston, MA	A 99iHow 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%99+58.1Reliability 26%97+25.3Value 15%100+15.2Experts Score= 99Not 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.	AA–AA–	5.00	—
2	Mark W. Quigley General ContractingBoston, MA	A 98iHow 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%99+58.1Reliability 26%96+25Value 15%100+15.2Craft & service penalty98−0.2Experts Score= 98Not 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.	AAAAA–	5.00	—
3	Harpman ContractingAckerman, MS	A 96iHow 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%97+56.9Reliability 26%93+24.3Value 15%97+14.8Experts Score= 96Not 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.	AA–AA–	5.00	—
4	AbacusBoston, MA	A 95iHow 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%94+51.3Reliability 24%95+23Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty99−0.1Experts Score= 95Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	AAAAAA	4.93	—
5	Greater Boston ContractorsBoston, MA	A 92iHow 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%84+12.8Experts Score= 92Not 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.	AA–AA–	4.94	—
6	ACS Group Inc - General contractorBoston, MA	A 89iHow 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%92+54Reliability 26%78+20.3Value 15%100+15.2Craft & service penalty97−0.3Experts Score= 89Not 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.	ABAAA–	4.93	—
7	Simba General ContractorsBoston, MA	A 87iHow 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%89+52.2Reliability 26%81+21.1Value 15%90+13.7Experts Score= 87Not 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.	AA–AA–	4.86	—
8	Massachusetts General ContractorBoston, MA	A 86iHow 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%86+46.9Reliability 24%87+21.1Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty67−3.3Experts Score= 86Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	AABAAA	4.84	—
9	Alcantara ContractorBoston, MA	A 80iHow 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%82+44.7Reliability 24%73+17.7Value 14%100+14.1Replies to reviews 7%94+6.6Craft & service penalty71−2.9Experts Score= 80Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	ABBAAA	4.79	—
10	Boston 5 Star ContractorsBoston, MA	B 67iHow 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%75+40.9Reliability 24%65+15.8Value 14%97+13.7Replies to reviews 7%72+5.1Craft & service penalty72−2.8Momentum penalty44−5.6Experts Score= 67Grade B: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	BBBACB	4.76	—
11	All Matters ConstructionBoston, MA	C 58iHow 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%66+36Reliability 24%51+12.4Value 14%100+14.1Replies to reviews 7%50+3.5Craft & service penalty99−0.1Momentum penalty20−8Experts Score= 58Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.	BCAADC	4.75	—

What jobs cost

What customers paid, from the price Google asks reviewers to report.

General Contractors at a glance

How the 11 general contractors we rated compare, and what customers praise most.

How we grade

Satisfaction (54%) — Recency-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.

Reliability (24%) — How 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.

Craft & service (penalty, up to −10) — Google 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.

Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.

Momentum (penalty, up to −10) — Penalises 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.

Replies to reviews (7%) — How 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.