91 concrete contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Merrimack: Granite State Epoxy, CR Score 62/100; 5.0★ from 173 Google reviews; open Saturdays until 4 PM.
Best for emergencies (open 24/7): Foundational Concrete Services, posts 24/7 hours; ranked #2 of 91.
Most-reviewed: 603 Basement Solutions, 233 Google reviews at 4.9★, the most of 91 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
91 Merrimack concrete contractors are ranked here by CR Score, from ten published factors. 11 are open 24/7, 49 open Saturdays and 20 open Sundays, based on posted hours. The median Google rating is 4.9★ across 91 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Granite State Epoxy | 62 | 5.0★ (173) | Chester, 12 mi away | Sat | Overall |
| 2 | Foundational Concrete Services | 61 | 5.0★ (44) | Derry, 14 mi away | 24/7 | Emergencies |
| 3 | Senecal Concrete Designs | 60 | 4.9★ (20) | Bedford, 1 mi away | Sat · Sun | — |
| 4 | Harvey's Concrete Floor CO | 57 | 4.6★ (7) | Bedford, 7 mi away | 24/7 | — |
| 5 | PCA Concrete & Construction | 57 | 4.8★ (80) | Canton, 18 mi away | Sat | — |
| 6 | Granite State Concrete Cutting NH | 57 | 5.0★ (22) | Auburn, 8 mi away | Sat · Evenings | — |
| 7 | 603 Basement Solutions | 57 | 4.9★ (233) | Chester, 24 mi away | — | Most reviews |
| 8 | Concrete Polishing Boston | 56 | 5.0★ (8) | Chelmsford, 14 mi away | 24/7 | — |
| 9 | Laventure Concrete Construction | 56 | 5.0★ (22) | Bedford, 12 mi away | Sat · Evenings | — |
| 10 | Symphony Concrete Coatings | 56 | 4.8★ (143) | Chelmsford, 14 mi away | Sat · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 173 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Derry, 14 mi away
Ranked #2 because of its Google rating and trade focus: 5.0★ from 44 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bedford, 1 mi away
Ranked #3 because of its Google rating and trade focus: 4.9★ from 20 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bedford, 7 mi away
Ranked #4 because of its Google rating and trade focus: 4.6★ from 7 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Canton, 18 mi away
Ranked #5 because of its Google rating and trade focus: 4.8★ from 80 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Auburn, 8 mi away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chester, 24 mi away
Ranked #7 because of its Google rating and review volume: 4.9★ from 233 Google reviews, the most in Merrimack.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chelmsford, 14 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bedford, 12 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Chelmsford, 14 mi away
Ranked #10 because of its Google rating and review volume: 4.8★ from 143 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 10 mi away
Ranked #11 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hollis, 10 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Concrete contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Milford, 11 mi away
Ranked #13 because of its Google rating and trade focus: 3.3★ from 7 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manchester, 11 mi away
Ranked #14 because of its Google rating and trade focus: 4.8★ from 32 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bedford, 10 mi away
Ranked #15 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Haverhill, 21 mi away
Ranked #16 because of its Google rating and trade focus: 4.5★ from 149 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Andover, 21 mi away
Ranked #17 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Acton, 22 mi away
Ranked #18 because of its Google rating and trade focus: 4.3★ from 12 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nashua, 8 mi away
Ranked #19 because of its Google rating and review volume: 5.0★ from 43 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Acton, 23 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nashua, 6 mi away
Ranked #21 because of its Google rating and trade focus: 4.1★ from 9 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Bedford, 6 mi away
Ranked #22 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hudson, 7 mi away
Ranked #23 because of its Google rating and trade focus: 4.8★ from 14 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lawrence, 21 mi away
Ranked #24 because of its Google rating and trade focus: 4.6★ from 71 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Londonderry, 6 mi away
Ranked #25 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 91 ranked concrete contractors here; the rest are on their profiles.
20 more concrete contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
National price ranges in USD, not adjusted for Merrimack. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Concrete driveway | $2,700 | $6,400 | $14,500 | Per driveway: typical range of customer-reported projects (about $8 to $20 per sq ft). US national range | October 2026 |
We scored 91 Merrimack concrete contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Merrimack data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |