A1 ExterminatorsPest control company in Nashua, NH

A1 Exterminators is ranked #10 of 79 pest control companies in Nashua by CR Score, with 60 out of 100 as of November 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

A1 Exterminators is open Monday to Saturday. Its listed hours are Monday to Friday, 8 AM – 5 PM; Saturday, 8 AM – 12 PM. On Saturdays it is open 8 AM to 12 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

Serves Nashua and 11 towns within 25 miles: Litchfield, Hudson, Hollis, Merrimack, Milford, Londonderry, Pelham, Bedford, Windham, Derry and Derry Village. The list is based on the business's location and the usual service radius for pest control. Confirm your address is covered when you call.

A1 Exterminators has a rating of 4.8 from 193 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call A1 Exterminators on (855) 601-0691. The business is at 472 Amherst St Ste 14, Nashua, NH 03063. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.