Best General Contractors in New Hampshire — 2026 Rankings
2 contractors ranked by Guide Score.
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#1 — DEMO BROS LLC. Score: 52/100
Salem, NH — DEMO BROS LLC. — General Contracting in Salem, NH
Services: General Contracting. View full profile →
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#2 — Merrimack Valley Roofing and Gutters Score: 51/100
Kingston, NH — Merrimack Valley Roofing and Gutters — General Contracting in Kingston, NH
Services: General Contracting. View full profile →
How We Rank General Contractors
Our Guide Score (0–100) combines Google reviews (25%), professional credentials like CGR/CGB/LEED certification (20%), press recognition (15%), review volume (15%), web and portfolio presence (10%), years of experience (10%), and profile completeness (5%). Read our full methodology →