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Best Window Cleaners in Portsmouth, NH (2026)

5 window cleaners ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Portsmouth: EcoClean Earth Portsmouth: House Cleaning and Office Cleaning Services, CR Score 61/100; 4.8★ from 67 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Immaculate Home Services, LLC, posts 24/7 hours; ranked #2 of 5.

  3. 5

    Most-reviewed: Fish Window Cleaning, 93 Google reviews at 4.9★, the most of 5 ranked; ranked #5.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

5 Portsmouth window cleaners are ranked here by CR Score, from ten published factors. 3 are open 24/7, 3 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.9★ across 5 rated businesses.

Most of this list also appears on the Window cleaners in Dover ranking. See Window cleaners in Dover

Top 5 window cleaners in Portsmouth at a glance

Top 5 window cleaners in Portsmouth at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1EcoClean Earth Portsmouth: House Cleaning and Office Cleaning Services614.8★ (67)Portsmouth24/7Overall
2Immaculate Home Services, LLC555.0★ (29)Eliot, 9 mi away24/7Emergencies
3Sparkling Concepts Window Cleaning555.0★ (76)Kingston, 9 mi away——
4Team Kelley Construction544.3★ (12)Portsmouth24/7—
5Fish Window Cleaning534.9★ (93)Newburyport, 15 mi away—Most reviews

The 5 best window cleaners in Portsmouth, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.

How we ranked Portsmouth window cleaners

We scored 5 Portsmouth window cleaners 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 November 3, 2026.

Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Portsmouth data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Window cleaners in Portsmouth: frequently asked questions

Who is the best window cleaner in Portsmouth?

By CR Score, the highest-ranked window cleaner in Portsmouth, NH is EcoClean Earth Portsmouth: House Cleaning and Office Cleaning Services with a CR Score of 61/100. It has 4.8★ from 67 Google reviews. It is open 24/7. Immaculate Home Services, LLC (#2) and Sparkling Concepts Window Cleaning (#3) follow. We ranked 5 window cleaners on ten factors, last updated November 3, 2026.

How many window cleaners are there in Portsmouth?

ContractorsRanked ranks 5 window cleaners serving Portsmouth, NH. 2 of them are based in Portsmouth; the rest serve it from nearby towns. Counts are as of November 2026.

Which window cleaners in Portsmouth are open 24/7?

3 ranked window cleaners in Portsmouth post 24/7 hours. The highest-ranked are EcoClean Earth Portsmouth: House Cleaning and Office Cleaning Services (#1), Immaculate Home Services, LLC (#2) and Team Kelley Construction (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which window cleaners in Portsmouth work on weekends?

3 of 5 ranked window cleaners post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are EcoClean Earth Portsmouth: House Cleaning and Office Cleaning Services (#1), Immaculate Home Services, LLC (#2) and Team Kelley Construction (#4). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Portsmouth window cleaners have?

The median Google rating among 5 rated window cleaners in Portsmouth is 4.9★, with a median of 67 reviews. Fish Window Cleaning has the most, 93 reviews, and ranks #5. We adjust ratings for review count, so a few five-star reviews cannot top the list.

How does ContractorsRanked rank window cleaners?

Each window cleaner gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.

Do window cleaners outside Portsmouth count in this ranking?

Yes, if they are within 15 mi of the Portsmouth city center, our service radius for window cleaners. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.

Can window cleaners pay to rank higher on ContractorsRanked?

No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.

Update log for Portsmouth

  1. November 2026: CR Scores recalculated for 5 window cleaners serving Portsmouth.

More window cleaners and Portsmouth pages

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