Best Cleaning Services in Co. Derry
Ranked by Google ratings — updated 25 October 2026
As of 25 October 2026, LocallyIrish.ie ranks 5 cleaning services in Co. Derry by customer rating. The top-rated is NII Clean, with 4.9 stars from 93 Google ratings. Smith's Cleaning Services follows with 5.0 from 29 Google ratings.
How we rank
Each business is scored on its average rating weighted by how many ratings it has, so a handful of perfect scores cannot outrank hundreds of near-perfect ones. Reviews left on LocallyIrish.ie and the business's Google rating are counted together; the rating shown on each entry is labelled with its source. A Google rating needs at least 5 ratings to count. Businesses without enough ratings are listed separately, unranked. Paid listings cannot buy a higher position. The list refreshes hourly.
NII Clean
Gold · 2026 Top RatedSmith's Cleaning Services
Silver · 2026 Top Rated
Roe Valley Oven Clean, Certified Oven Cleaner. N.W. area
Bronze · 2026 Top RatedElite Cleaning Solutions
Supreme cleaning services
Also in Co. Derry — not enough ratings to rank yet
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Best cleaning services by town
Best cleaning services in Derry — FAQs
What is the best cleaning services in Derry?
NII Clean is currently the top-rated cleaning services in Co. Derry, with 4.9 stars from 93 Google ratings. See the full ranked list above.
How are the best cleaning services in Derry ranked?
Each business is scored on its average rating weighted by how many ratings it has, so a handful of perfect scores cannot outrank hundreds of near-perfect ones. Reviews left on LocallyIrish.ie and the business's Google rating are counted together; the rating shown on each entry is labelled with its source. A Google rating needs at least 5 ratings to count. Businesses without enough ratings are listed separately, unranked. Paid listings cannot buy a higher position. The list refreshes hourly.
How can my cleaning services business rank higher in Derry?
Encourage happy customers to leave a review on your LocallyIrish.ie listing. More high-star reviews move you up the "Best of" ranking for Co. Derry.
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