Analyzing 5,760,1035.8M ReviewsFor 15,83615.8K Experts
We graded 4 companies on seven things customers actually report: satisfaction, reliability, workmanship, value, momentum, track record and how owners handle complaints.
From 1,096 Google reviews of 11 top-rated pond maintenance services nationwide; 4 of them in Hales Corners, WI. Updated October 28, 2026.
Pick the job — we re-rank companies by how customers rated that exact job.
Experts Score 0–100Experts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. and a letter grade per factor (A = top 20% of pond maintenance services).
| # | Company | ScoreExperts Score (0–100)Absolute quality first: recency-weighted star average (≈54%), share of 1–2★ reviews (≈24%), customers’ price verdicts (≈14%), owner replies to critical reviews (≈7%); minus up to 10 points each for complaints flagged in Google review highlights and for a real slide in recent ratings. Hover a company’s score on its page for the full breakdown. | FactorsFactor grades, in orderSatisfaction (54%): Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.Reliability (24%): How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.Craft & service (0%): Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Value (14%): Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Momentum (0%): Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.Replies to reviews (7%): How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.One letter per factor score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = below 20. | ★Google star rating as shown on Google Maps. | Typical billMedian bill customers of this company reported in their reviews (needs 3+ priced reviews). |
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| 1 |  4D ExteriorscapesHales Corners, WI | A 90How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 59%91+53.4Reliability 26%93+24.3Value 15%87+13.2Craft & service penalty93−0.7Experts Score= 90Not enough data for replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AAAAA– | 4.90 | — |
| 2 |  AquaticaHales Corners, WI | A 87How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%90+49.1Reliability 24%79+19.2Value 14%100+14.1Replies to reviews 7%100+7.1Craft & service penalty97−0.3Momentum penalty80−2Experts Score= 87Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | ABAAAA | 4.93 | — |
| 3 |  Aquatic Realmz Aquarium Maintenance & DesignHales Corners, WI | A 82How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 64%87+55.3Reliability 28%80+22.6Replies to reviews 8%51+4.2Experts Score= 82Not enough data for value; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | AA––AC | 4.87 | — |
| 4 |  Terra-Firma Landscape IncHales Corners, WI | C 58How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%60+32.7Reliability 24%55+13.3Value 14%97+13.7Replies to reviews 7%78+5.5Craft & service penalty22−7.8Experts Score= 58Grade C: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews. | BCDAAB | 4.52 | — |
What customers paid, from the price Google asks reviewers to report.
| Job | Low25th percentile: 1 in 4 customers paid less than this. | TypicalMedian of the bill customers reported in their Google review (Google asks reviewers for a price range; we use the middle of each range). | High75th percentile: 1 in 4 customers paid more than this. | FairOf customers who rated the price, the share who chose “Great price” or “Reasonable” rather than “Overpriced”. |
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How the 4 pond maintenance services we rated in Hales Corners, WI compare, and what customers praise most.
A = score 80+, F = below 20.
Average stars per company.
Share of Google review highlights.
All price verdicts left with reviews.
Share calling it great / reasonable / overpriced.
Satisfaction (54%) — Recency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.
Reliability (24%) — How rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.
Craft & service (penalty, up to −10) — Google review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.
Value (14%) — Customers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.
Momentum (penalty, up to −10) — Penalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.
Replies to reviews (7%) — How often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.
The 4 best-rated pond maintenance services in Hales Corners, WI average 4.8★ on Google across 390 reviews. Aquatic Realmz Aquarium Maintenance & Design has the top rating (4.9★). Updated October 28, 2026.
4 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (390 reviews combined) and currently operating. Request a call back and the company will phone you directly.
“Aquatic Realmz has always served me with excellence. Their staff is top-notch—professional, courteous, and dependable. I truly appreciate the care and quality they provide, and I highly recommend Aquatic Whale to…” — Google review
“Aquatica upgraded our fountain in our yard to a beautiful water feature. Working with Dean and the team at Aquatica was wonderful process. The knowledge, skill , collaboration was fantastic. The attention to detail…” — Google review
“Damion jumped through a lot of hoops to get exactly what my client was looking for. He really stuck with this project and delivered multiple concepts to make them happy. Once everything was finally approved, he got…” — Google review
“We had an absolutely fantastic experience with Terra Firma for our recent patio installation and landscape renovation. Everyone on their team was exceptionally helpful, starting from the initial quote with Brandon,…” — Google review
We scan Google Maps for pond maintenance service listings in and around Hales Corners, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Aquatic Realmz Aquarium Maintenance & Design has the highest Google rating on our Hales Corners list: 4.9 out of 5 from 187 reviews (as of October 28, 2026).
Aquatic Realmz Aquarium Maintenance & Design has the most Google reviews among the companies listed here: 187, with a 4.9★ average.
Only open Hales Corners-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.
Analyzing 5,760,1035.8M ReviewsFor 15,83615.8K Experts