48 siding contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in London: EaveSafe Gutter Protection, CR Score 63/100; 5.0★ from 175 Google reviews; open Saturdays until 5 PM.
Best for emergencies (open 24/7): Neighbourhood Eavestrough & Exteriors - London, posts 24/7 hours; ranked #2 of 48.
Most-reviewed: London Eavestrough and Siding, 380 Google reviews at 4.9★, the most of 48 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
48 London siding contractors are ranked here by CR Score, from ten published factors. 6 are open 24/7, 20 open Saturdays and 10 open Sundays, based on posted hours. The median Google rating is 5.0★ across 48 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | EaveSafe Gutter Protection | 63 | 5.0★ (175) | London | Sat | Overall |
| 2 | Neighbourhood Eavestrough & Exteriors - London | 61 | 4.8★ (50) | Lambton Shores, 18 km away | 24/7 | Emergencies |
| 3 | Chris' Trough N Trim Ltd. | 59 | 4.9★ (35) | London | Sat | — |
| 4 | London Eavestrough and Siding | 59 | 4.9★ (380) | London | — | Most reviews |
| 5 | Shockwave Roofing | 58 | 5.0★ (96) | London | Sat · Sun | — |
| 6 | LandSync Construction | 57 | 5.0★ (9) | Aylmer, 15 km away | Sat · Sun · Evenings | — |
| 7 | N | 56 | 5.0★ (7) | Lambton Shores, 12 km away | Sat · Sun | — |
| 8 | London Exteriors and Renovations INC | 56 | 5.0★ (8) | London | Sat | — |
| 9 | Himalaya Group | Roofing , Siding, Eaves & Commercial , London Ontario | 56 | 4.9★ (99) | London | — | — |
| 10 | Cartwright Exteriors | 55 | 5.0★ (4) | London | Sat · Evenings | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and trade focus: 5.0★ from 175 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lambton Shores, 18 km away
Ranked #2 because of its Google rating and trade focus: 4.8★ from 50 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #3 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #4 because of its Google rating and review volume: 4.9★ from 380 Google reviews, the most in London.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #5 because of its Google rating and review volume: 5.0★ from 96 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Aylmer, 15 km away
Ranked #6 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lambton Shores, 12 km away
Ranked #7 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #8 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #9 because of its Google rating and review volume: 4.9★ from 99 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #10 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #11 because of its Google rating and review volume: 5.0★ from 28 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #12 because of its Google rating and review volume: 5.0★ from 65 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #13 because of its Google rating and review volume: 4.6★ from 19 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Huron East, 46 km away
Ranked #14 because of its Google rating and trade focus: 4.9★ from 55 Google reviews, listed on Google as “Window installation service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #15 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Gutter Cleaning Service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #16 because of its Google rating and review volume: 4.6★ from 160 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norfolk County, 52 km away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Hamburg, 60 km away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Siding contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Huron East, 47 km away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Siding contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in London
Ranked #20 because of its Google rating and review volume: 4.5★ from 169 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Lambton Shores, 39 km away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #22 because of its Google rating and review volume: 5.0★ from 40 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Norfolk County, 60 km away
Ranked #23 because of its Google rating and trade focus: 5.0★ from 31 Google reviews, listed on Google as “Siding contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #24 because of its Google rating and trade focus: 4.9★ from 7 Google reviews, listed on Google as “Roofing contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in London
Ranked #25 because of its Google rating and availability: 2.7★ from 7 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #48, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | AM Group Exteriors - London | 51 | 4.0★ (254) | In London |
| 27 | Fehr Renovations Ltd | 51 | 4.6★ (5) | 27 km |
| 28 | C.A.P.O.R. Renovations Inc. | 51 | 4.3★ (77) | In London |
| 29 | Bright Construction | 50 | 5.0★ (12) | 49 km |
| 30 | L B Exteriors | 50 | 5.0★ (4) | 52 km |
| 31 | Teichroeb Exteriors Inc. | 50 | 4.9★ (70) | 31 km |
| 32 | Beaumart Aluminum Ltd | 50 | 4.4★ (28) | In London |
| 33 | Forest City Custom Exteriors | 49 | 5.0★ (3) | 4 km |
| 34 | Gutter Guys Plus | 49 | 4.9★ (93) | 62 km |
| 35 | JB and Sons Aluminum | 49 | 4.5★ (6) | 42 km |
| 36 | GF Exteriors | 49 | 5.0★ (3) | 54 km |
| 37 | B&B Roofing & Exteriors | 49 | 4.8★ (26) | 15 km |
| 38 | Kielstra Siding & Windows | 48 | 3.2★ (6) | 27 km |
| 39 | Striking Home Services Inc. | 48 | 5.0★ (10) | 6 km |
| 40 | The Haines Group | 48 | 4.7★ (75) | 46 km |
| 41 | Olympic Roofing Inc | 47 | 4.6★ (10) | 9 km |
| 42 | Miller Exteriors Inc. | 47 | 5.0★ (13) | 27 km |
| 43 | DFT Exteriors | 46 | 1.8★ (5) | 52 km |
| 44 | PerfectFit Installations | 46 | 5.0★ (13) | 31 km |
| 45 | Sbarra General Contracting | 45 | 5.0★ (7) | 33 km |
| 46 | Dee's Roofing | 43 | 5.0★ (3) | 45 km |
| 47 | Sure Seal Eavestrough | 43 | 5.0★ (4) | 38 km |
| 48 | CamTrough | 43 | 5.0★ (5) | 46 km |
20 more siding contractors within 64 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| ABA Construction | 4.6★ (121) | In London |
| Advanced Level Homes - Roofing & Exteriors | 5.0★ (133) | In London |
| Bear Property Cleaning | 4.9★ (381) | In London |
| Blake Exteriors Window and Door | 4.8★ (251) | In London |
| Byron Roofing | 4.8★ (82) | In London |
| Canada Home Maintenance | 4.3★ (160) | In London |
| CPB Painting | 4.9★ (95) | In London |
| Douglas Window & Door Inc. | 4.9★ (271) | In London |
| FIRST ONSITE Property Restoration | 4.6★ (96) | In London |
| Forest City Eavestrough | 4.9★ (75) | In London |
| Forest City Roofing | 4.3★ (89) | In London |
| Forest City Window & Door Ltd | 4.7★ (153) | In London |
| Green Metal Roofing And Manufacturing Inc. | 4.8★ (227) | In London |
| Gutter Guys Plus | 4.9★ (277) | In London |
| Heritage Renovations | 4.4★ (298) | In London |
| North London Roofing | 4.5★ (98) | In London |
| ONLY EAVESTROUGHS INC. | 4.7★ (115) | In London |
| Purity Painting Inc. | 4.9★ (157) | In London |
| Southwinds Roofing | 4.7★ (71) | In London |
| Strictly Residential Professional Painting Services | 4.9★ (101) | In London |
US national ranges converted to CAD, not adjusted for London. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Siding replacement | CA$7,810 | CA$16,290 | CA$24,910 | Per house: typical range of customer-reported projects. US national range converted at 1.4054 CAD per USD (Bank of Canada, October 20, 2026) | October 2026 |
We scored 48 London siding contractors 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 October 22, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In London data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |