8 ranked · June 2026
Best siding contractors in Merrimack, NH
We ranked the 8 top-rated siding companies serving Merrimack — a growing town along the Merrimack River corridor — scoring each on reputation, manufacturer credentials, workmanship and service. Belgres Group leads here today.
- 1
Belgres Group
★ FeaturedJames Hardie Certified InstallerCertainTeed ShingleMaster- Manufacturer-certified installer: James Hardie Certified Installer, CertainTeed ShingleMaster
- Established 17+ years (since 2009)
- 2
- Written workmanship / manufacturer warranty
- Financing available
- 3James Hardie Elite Preferred
- Manufacturer-certified installer: James Hardie Elite Preferred
- Written workmanship / manufacturer warranty
- 4
- Established 59+ years (since 1967)
- Licensed & insured
- 5
- Strong review base — 5★ across 52 Google reviews
- Licensed & insured
- 6
- Licensed & insured
- 7
- Established 41+ years (since 1985)
- Licensed & insured
- 8
- Written workmanship / manufacturer warranty
ⓘ Companies shown actively serve Merrimack, NH and have public reviews we could verify (sources: Google, BBB, Manufacturer locators, Facebook). Ordering follows our published method; review counts can be influenced by the businesses themselves.
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